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885824d3 1/*;-*-C-*-;
2**
3** flags.def
4**
5** This file is used to generate the flag header files.
a0a162cd 6**
7** Don't forget to regenerate flag_codes.gen. (lost the Makefile...bleech!)
885824d3 8*/
885824d3 9 /* spec idem global mode args */
10/*@-namechecks@*/
11/*@notfunction@*/
12# define modeFlag FALSE, FALSE, FALSE, TRUE, ARG_NONE
13/*@notfunction@*/
14# define plainFlag FALSE, FALSE, FALSE, FALSE, ARG_NONE
15/*@notfunction@*/
16# define specialFlag TRUE, FALSE, FALSE, FALSE, ARG_NONE
17/*@notfunction@*/
18# define plainSpecialFlag TRUE, FALSE, FALSE, FALSE, ARG_NONE
19/*@notfunction@*/
20# define idemSpecialFlag TRUE, TRUE, FALSE, FALSE, ARG_NONE
21/*@notfunction@*/
4f43223c 22# define valueFlag FALSE, FALSE, FALSE, FALSE, ARG_NUMBER
23
24/*@notfunction@*/
25# define charFlag FALSE, FALSE, FALSE, FALSE, ARG_CHAR
26
885824d3 27/*@notfunction@*/
4f43223c 28# define modeValueFlag FALSE, FALSE, FALSE, TRUE, ARG_NUMBER
885824d3 29/*@notfunction@*/
4f43223c 30# define specialValueFlag TRUE, FALSE, FALSE, FALSE, ARG_NUMBER
885824d3 31/*@notfunction@*/
32# define debugFlag FALSE, TRUE, FALSE, FALSE, ARG_NONE
33/*@notfunction@*/
4f43223c 34# define debugValueFlag FALSE, TRUE, FALSE, FALSE, ARG_NUMBER
28bf4b0b 35/*@notfunction@*/
885824d3 36# define specialDebugFlag TRUE, TRUE, FALSE, FALSE, ARG_NONE
37/*@notfunction@*/
38# define globalFlag FALSE, FALSE, TRUE, FALSE, ARG_NONE
39/*@notfunction@*/
40# define idemGlobalFlag FALSE, TRUE, TRUE, FALSE, ARG_NONE
41/*@notfunction@*/
4f43223c 42# define globalValueFlag FALSE, FALSE, TRUE, FALSE, ARG_NUMBER
43
44/* Note: type argument missing */
885824d3 45/*@notfunction@*/
4f43223c 46# define regStringFlag FALSE, FALSE, FALSE, FALSE
885824d3 47/*@notfunction@*/
4f43223c 48# define idemStringFlag FALSE, TRUE, FALSE, FALSE
885824d3 49/*@notfunction@*/
4f43223c 50# define globalStringFlag FALSE, FALSE, TRUE, FALSE
51
885824d3 52/*@notfunction@*/
53# define extraArgFlag FALSE, FALSE, FALSE, FALSE, ARG_SPECIAL
54/*@notfunction@*/
55# define globalExtraArgFlag FALSE, FALSE, TRUE, FALSE, ARG_SPECIAL
4f43223c 56/*@notfunction@*/
53306cab 57# define globalFileFlag FALSE, TRUE, TRUE, FALSE, ARG_FILE
885824d3 58/*@=namechecks@*/
59
60/*
61** Note: the flag code must be on a separate line, since I'm
62** too stupid to write an awk/sed/whatever script that can separate
63** the lines.
64*/
65
28bf4b0b 66static flaglist flags =
885824d3 67{
bb7c2085 68 /*
69 ** Null Dereferences (Manual Section 2)
70 */
71
28bf4b0b 72 {
bb7c2085 73 FK_NULL, FK_MEMORY, specialFlag,
74 "null",
75 FLG_NULL,
76 "misuses of null pointer",
77 "A possibly null pointer is misused (sets nullderef, nullpass, "
78 "nullref, nullassign, and nullstate).",
28bf4b0b 79 0, 0
885824d3 80 },
28bf4b0b 81 {
bb7c2085 82 FK_NULL, FK_MEMORY, modeFlag,
83 "nullderef",
84 FLG_NULLDEREF,
85 "possible dereferencce of null pointer",
86 "A possibly null pointer is dereferenced. Value is "
87 "either the result of a function which may return null "
88 "(in which case, code should check it is not null), or a "
89 "global, parameter or structure field declared with the "
90 "null qualifier.",
28bf4b0b 91 0, 0
92 },
93 {
bb7c2085 94 FK_NULL, FK_MEMORY, modeFlag,
95 "nullpass",
96 FLG_NULLPASS,
97 "possibly null pointer passed as formal with no null annotation",
98 "A possibly null pointer is passed as a parameter corresponding to "
99 "a formal parameter with no /*@null@*/ annotation. If NULL "
100 "may be used for this parameter, add a /*@null@*/ annotation "
101 "to the function parameter declaration.",
28bf4b0b 102 0, 0
103 },
104 {
bb7c2085 105 FK_NULL, FK_MEMORY, modeFlag,
106 "nullret",
107 FLG_NULLRET,
108 "possibly null pointer returned as result with no null annotation",
109 "Function returns a possibly null pointer, but is not declared "
110 "using /*@null@*/ annotation of result. If function may "
111 "return NULL, add /*@null@*/ annotation to the return "
112 "value declaration.",
28bf4b0b 113 0, 0
114 },
115 {
bb7c2085 116 FK_NULL, FK_MEMORY, modeFlag,
117 "nullstate",
118 FLG_NULLSTATE,
119 "possibly null pointer reachable from a reference with no null annotation",
120 "A possibly null pointer is reachable from a parameter or global "
121 "variable that is not declared using a /*@null@*/ annotation.",
28bf4b0b 122 0, 0
123 },
124 {
bb7c2085 125 FK_NULL, FK_MEMORY, modeFlag,
126 "nullassign",
127 FLG_NULLASSIGN,
128 "inconsistent assignment or initialization involving null pointer",
129 "A reference with no null annotation is assigned or initialized "
130 "to NULL. Use /*@null@*/ to declare the reference as "
131 "a possibly null pointer.",
28bf4b0b 132 0, 0
133 },
bb7c2085 134
135 /*
136 ** Undefined Values (Section 3)
137 */
138
28bf4b0b 139 {
bb7c2085 140 FK_DEF, FK_NONE, modeFlag,
141 "usedef",
142 FLG_USEDEF,
143 "use before definition",
144 "An rvalue is used that may not be initialized to a value on some execution path.",
28bf4b0b 145 0, 0
146 },
147 {
bb7c2085 148 FK_MEMORY, FK_DEF, modeFlag,
149 "mustdefine",
150 FLG_MUSTDEFINE,
151 "out storage not defined before return or scope exit",
152 "An out parameter or global is not defined before control is transferred.",
28bf4b0b 153 0, 0
154 },
155 {
bb7c2085 156 FK_MEMORY, FK_DEF, modeFlag,
157 "uniondef",
158 FLG_UNIONDEF,
159 "at least one field of a union must be defined",
160 "No field of a union is defined. Generally, one field of a union is "
161 "expected to be defined.",
28bf4b0b 162 0, 0
163 },
164 {
bb7c2085 165 FK_MEMORY, FK_DEF, modeFlag,
166 "compdef",
167 FLG_COMPDEF,
168 "parameter, return value or global completely defined",
169 "Storage derivable from a parameter, return value or global is "
170 "not defined. Use /*@out@*/ to denote passed or returned "
171 "storage which need not be defined.",
28bf4b0b 172 0, 0
173 },
45569d72 174 {
175 FK_DEF, FK_NONE, plainFlag,
176 "fullinitblock",
177 FLG_FULLINITBLOCK,
178 "initializer sets all fields",
179 "Initializer does not set every field in the structure.",
180 0, 0
181 },
182 {
183 FK_DEF, FK_NONE, plainFlag,
184 "initallelements",
185 FLG_INITALLELEMENTS,
186 "initializer defines all array elements",
187 "Initializer does not define all elements of a declared array.",
188 0, 0
189 },
190 {
191 FK_DEF, FK_NONE, plainFlag,
192 "initsize",
193 FLG_INITSIZE,
194 "initializer defines extra array elements",
195 "Initializer block contains more elements than the size of a declared array.",
196 0, 0
197 },
bb7c2085 198
28bf4b0b 199 {
bb7c2085 200 FK_DEF, FK_IMPLICIT, modeFlag,
201 "impouts",
202 FLG_IMPOUTS,
203 "pointer parameters to unspecified functions may be implicit out parameters",
204 NULL, 0, 0
28bf4b0b 205 },
bb7c2085 206
207 /*
208 ** Types (Section 4)
209 */
210
28bf4b0b 211 {
bb7c2085 212 FK_DECL, FK_TYPE, modeFlag,
213 "incondefs",
214 FLG_INCONDEFS,
215 "function, variable or constant redefined with inconsistent type",
216 "A function, variable or constant is redefined with a different type.",
28bf4b0b 217 0, 0
218 },
219 {
bb7c2085 220 FK_DECL, FK_TYPE, modeFlag,
221 "matchfields",
222 FLG_MATCHFIELDS,
223 "struct or enum type redefined with inconsistent fields or members",
224 "A struct, union or enum type is redefined with inconsistent fields or members.",
28bf4b0b 225 0, 0
226 },
227 {
bb7c2085 228 FK_TYPE, FK_NONE, modeFlag,
229 "fcnderef",
230 FLG_FCNDEREF,
231 "dereferencce of a function type",
232 "A function type is dereferenced. The ANSI standard allows this "
233 "because of implicit conversion of function designators, however the "
234 "dereference is unnecessary.",
28bf4b0b 235 0, 0
236 },
237 {
bb7c2085 238 FK_OPS, FK_NONE, modeFlag,
239 "realcompare",
240 FLG_REALCOMPARE,
241 "dangerous comparison between reals (dangerous because of inexact "
242 "floating point representations)",
243 "Two real (float, double, or long double) values are compared "
244 "directly using a C primitive. "
245 "This may produce unexpected results since floating point "
246 "representations are inexact. Instead, compare the difference to "
247 "FLT_EPSILON or DBL_EPSILON.",
248 0, 0,
28bf4b0b 249 },
250 {
bb7c2085 251 FK_OPS, FK_NONE, modeFlag,
252 "unsignedcompare",
253 FLG_UNSIGNEDCOMPARE,
254 "comparison using <, <=, >= between an unsigned integral and zero constant",
255 "An unsigned value is used in a comparison with zero in a way that is either a bug or confusing.",
256 0, 0,
28bf4b0b 257 },
258 {
bb7c2085 259 FK_OPS, FK_POINTER, modeFlag,
260 "ptrarith",
261 FLG_POINTERARITH,
262 "arithmetic involving pointer and integer",
263 "Pointer arithmetic using pointer and integer.", 0, 0
28bf4b0b 264 },
265 {
bb7c2085 266 FK_OPS, FK_POINTER, modeFlag,
267 "nullptrarith",
268 FLG_NULLPOINTERARITH,
269 "arithmetic involving possibly null pointer and integer",
270 "Pointer arithmetic using a possibly null pointer and integer.", 0, 0
28bf4b0b 271 },
272 {
bb7c2085 273 FK_OPS, FK_POINTER, modeFlag,
274 "ptrcompare",
275 FLG_PTRNUMCOMPARE,
276 "comparison between pointer and number",
277 "A pointer is compared to a number.", 0, 0
28bf4b0b 278 },
279 {
bb7c2085 280 FK_OPS, FK_TYPE, modeFlag,
281 "strictops",
282 FLG_STRICTOPS,
283 "primitive operation does not type check strictly",
284 "A primitive operation does not type check strictly.", 0, 0
28bf4b0b 285 },
286 {
bb7c2085 287 FK_OPS, FK_TYPE, modeFlag,
288 "bitwisesigned",
289 FLG_BITWISEOPS,
290 "a bitwise logical operator does not have unsigned operands",
291 "An operand to a bitwise operator is not an unsigned values. This "
292 "may have unexpected results depending on the signed "
293 "representations.", 0, 0
28bf4b0b 294 },
295 {
bb7c2085 296 FK_OPS, FK_TYPE, modeFlag,
297 "shiftnegative",
298 FLG_SHIFTNEGATIVE,
299 "a shift right operand may be negative",
300 "The right operand to a shift operator may be negative (behavior undefined).",
301 0, 0
28bf4b0b 302 },
303 {
bb7c2085 304 FK_OPS, FK_TYPE, modeFlag,
305 "shiftimplementation",
306 FLG_SHIFTIMPLEMENTATION,
307 "a shift left operand may be negative",
308 "The left operand to a shift operator may be negative (behavior is implementation-defined).",
28bf4b0b 309 0, 0
310 },
311 {
bb7c2085 312 FK_OPS, FK_TYPE, modeFlag,
313 "sizeoftype",
314 FLG_SIZEOFTYPE,
315 "sizeof operator has a type argument",
316 "Operand of sizeof operator is a type. (Safer to use expression, "
317 "int *x = sizeof (*x); instead of sizeof (int).)",
28bf4b0b 318 0, 0
319 },
320 {
bb7c2085 321 FK_OPS, FK_TYPE, plainFlag,
322 "sizeofformalarray",
323 FLG_SIZEOFFORMALARRAY,
324 "sizeof operator has an array formal parameter argument",
325 "Operand of a sizeof operator is a function parameter declared as "
326 "an array. The value of sizeof will be the size of a pointer to the "
327 "element type, not the number of elements in the array.",
28bf4b0b 328 0, 0
329 },
330 {
bb7c2085 331 FK_DECL, FK_TYPE, plainFlag,
332 "fixedformalarray",
333 FLG_FIXEDFORMALARRAY,
334 "formal parameter of type array is declared with size",
335 "A formal parameter is declared as an array with size. The size of the array "
336 "is ignored in this context, since the array formal parameter is treated "
337 "as a pointer.",
28bf4b0b 338 0, 0
339 },
340 {
bb7c2085 341 FK_DECL, FK_TYPE, plainFlag,
342 "incompletetype",
343 FLG_INCOMPLETETYPE,
344 "formal parameter has an incomplete type",
345 "A formal parameter is declared with an incomplete type.",
28bf4b0b 346 0, 0
347 },
348 {
bb7c2085 349 FK_DECL, FK_TYPE, plainFlag,
350 "formalarray",
351 FLG_FORMALARRAY,
352 "formal parameter is an array",
353 "A formal parameter is declared as an array. This can be confusing, since "
354 "a formal array parameter is treated as a pointer.",
355 0, 0
28bf4b0b 356 },
bb7c2085 357
358
359 /*
360 ** Booleans (4.2)
361 */
362
28bf4b0b 363 {
4f43223c 364 FK_BOOL, FK_NONE, regStringFlag, ARG_STRING,
28bf4b0b 365 "booltype",
366 FLG_BOOLTYPE,
367 "set name of boolean type (default bool)",
368 NULL, 0, 0
369 },
bb7c2085 370 {
371 FK_BOOL, FK_NONE, regStringFlag, ARG_STRING,
372 "boolfalse",
373 FLG_BOOLFALSE,
374 "set name of boolean false (default FALSE)",
375 NULL, 0, 0
376 },
28bf4b0b 377 {
4f43223c 378 FK_BOOL, FK_NONE, regStringFlag, ARG_STRING,
28bf4b0b 379 "booltrue",
380 FLG_BOOLTRUE,
381 "set name of boolean true (default TRUE)",
382 NULL, 0, 0
383 },
384 {
bb7c2085 385 FK_BOOL, FK_HELP, plainFlag,
386 "likelybool",
387 FLG_LIKELYBOOL,
388 "type name is probably a boolean type but does not match default "
389 "boolean type name, \"bool\", and alternate name is not set",
390 "Use the -booltype, -boolfalse and -booltrue flags to change the "
391 "name of the default boolean type.",
392 0, 0
28bf4b0b 393 },
bb7c2085 394
28bf4b0b 395 {
bb7c2085 396 FK_BOOL, FK_OPS, modeFlag,
397 "boolcompare",
398 FLG_BOOLCOMPARE,
399 "comparison between bools (dangerous because of multiple TRUE values)",
400 "Two bool values are compared directly using a C primitive. This "
401 "may produce unexpected results since all non-zero values are "
402 "considered TRUE, so different TRUE values may not be equal. "
403 "The file bool.h (included in splint/lib) provides bool_equal "
404 "for safe bool comparisons.", 0, 0
28bf4b0b 405 },
406 {
bb7c2085 407 FK_BOOL, FK_OPS, modeFlag,
408 "boolops",
409 FLG_BOOLOPS,
410 "primitive operation (!, && or ||) does not has a boolean argument",
411 "The operand of a boolean operator is not a boolean. Use +ptrnegate "
412 "to allow ! to be used on pointers.",
28bf4b0b 413 0, 0
414 },
990ec868 415 {
bb7c2085 416 FK_BOOL, FK_POINTER, modeFlag,
417 "ptrnegate",
418 FLG_PTRNEGATE,
419 "allow ! to be used on pointer operand",
420 "The operand of ! operator is a pointer.", 0, 0
990ec868 421 },
28bf4b0b 422 {
bb7c2085 423 FK_BOOL, FK_PRED,plainFlag,
424 "predassign",
425 FLG_PREDASSIGN,
426 "condition test (if, while or for) is an assignment",
427 "The condition test is an assignment expression. Probably, you mean "
428 "to use == instead of =. If an assignment is intended, add an "
429 "extra parentheses nesting (e.g., if ((a = b)) ...) to suppress "
430 "this message.",
28bf4b0b 431 0, 0
432 },
e5f31c00 433 {
bb7c2085 434 FK_BOOL, FK_PRED, specialFlag,
435 "predbool",
436 FLG_PREDBOOL,
437 "type of condition test (if, while or for) not bool (sets predboolint, "
438 "predboolptr and predboolothers)",
439 "Test expression type is not boolean.", 0, 0
e5f31c00 440 },
28bf4b0b 441 {
bb7c2085 442 FK_PRED, FK_BOOL, modeFlag,
443 "predboolint",
444 FLG_PREDBOOLINT,
445 "type of condition test (if, while or for) is an integral type",
446 "Test expression type is not boolean or int.", 0, 0
28bf4b0b 447 },
448 {
bb7c2085 449 FK_BOOL, FK_PRED, modeFlag,
450 "predboolptr",
451 FLG_PREDBOOLPTR,
452 "type of condition test (if, while or for) is a pointer",
453 "Test expression type is not boolean.", 0, 0
28bf4b0b 454 },
455 {
bb7c2085 456 FK_BOOL, FK_PRED, modeFlag,
457 "predboolothers",
458 FLG_PREDBOOLOTHERS,
459 "type of condition test (if, while or for) not bool, int or pointer",
460 "Test expression type is not boolean.", 0, 0
28bf4b0b 461 },
bb7c2085 462
463 /*
464 ** 4.3 Abstract types
465 */
466
28bf4b0b 467 {
bb7c2085 468 FK_ABSTRACT, FK_NONE, plainFlag,
469 "abstract",
470 FLG_ABSTRACT,
471 "data abstraction barriers",
472 "An abstraction barrier is broken. If necessary, use /*@access <type>@*/ to allow access to an abstract type.",
28bf4b0b 473 0, 0
474 },
16c024b5 475 {
476 FK_ABSTRACT, FK_NONE, modeFlag,
477 "abstractcompare",
478 FLG_ABSTRACTCOMPARE,
479 "object equality comparison on abstract type operands",
480 "An object comparison (== or !=) is used on operands of abstract type.",
481 0, 0
482 },
483
e5081f8c 484 {
485 FK_ABSTRACT, FK_NONE, plainFlag,
486 "numabstract",
487 FLG_NUMABSTRACT,
488 "data abstraction barriers",
489 "An abstraction barrier involving a numabstract type is broken. If necessary, use /*@access <type>@*/ to allow access to a numabstract type.",
490 0, 0
491 },
492 {
493 FK_ABSTRACT, FK_NONE, modeFlag,
494 "numabstractcast",
495 FLG_NUMABSTRACTCAST,
496 "numeric literal cast to numabstract type",
497 "A numeric literal is cast to a numabstract type.",
498 0, 0
499 },
500 {
501 FK_ABSTRACT, FK_NONE, modeFlag,
502 "numabstractlit",
503 FLG_NUMABSTRACTLIT,
504 "numeric literal can used as numabstract type",
505 "A numeric literal can be used as a numabstract type.",
506 0, 0
507 },
28bf4b0b 508 {
bb7c2085 509 FK_ABSTRACT, FK_IMPLICIT, plainFlag,
510 "impabstract",
511 FLG_IMPABSTRACT,
512 "assume user type definitions are abstract (unless /*@concrete@*/ is used)",
513 NULL,
28bf4b0b 514 0, 0
515 },
bb7c2085 516
517 /* 4.3.1 Access */
518
28bf4b0b 519 {
bb7c2085 520 FK_ABSTRACT, FK_NAMES, plainFlag,
521 "accessmodule",
522 FLG_ACCESSMODULE,
523 "allow access to abstract types in definition module",
524 "The representation of an abstract type defined in <M>.<x> is "
525 "accessible anywhere in a file named <M>.<y>.",
28bf4b0b 526 0, 0
527 },
528 {
bb7c2085 529 FK_ABSTRACT, FK_NAMES, plainFlag,
530 "accessfile",
531 FLG_ACCESSFILE,
532 "allow access to abstract types by file name convention",
533 "The representation of an abstract type named <t> is "
534 "accessible anywhere in a file named <t>.<x>.",
28bf4b0b 535 0, 0
536 },
537 {
bb7c2085 538 FK_ABSTRACT, FK_NAMES, plainFlag,
539 "accessczech",
540 FLG_ACCESSCZECH,
541 "allow access to abstract types by czech naming convention",
542 "The representation of an abstract type named <t> is accessible "
543 "in the definition of a function or constant named <t>_<name>",
544 0, 0
3e3ec469 545 },
546 {
bb7c2085 547 FK_ABSTRACT, FK_NAMES, plainFlag,
548 "accessslovak",
549 FLG_ACCESSSLOVAK,
550 "allow access to abstract types by slovak naming convention",
551 "The representation of an abstract type named <t> is accessible "
552 "in the definition of a function or constant named <t><Name>",
553 0, 0
3e3ec469 554 },
555 {
bb7c2085 556 FK_ABSTRACT, FK_NAMES, plainFlag,
557 "accessczechoslovak",
558 FLG_ACCESSCZECHOSLOVAK,
559 "allow access to abstract types by czechoslovak naming convention",
560 "The representation of an abstract type named <t> is accessible "
561 "in the definition of a function or constant named <t>_<name> or <t><Name>",
562 0, 0
3e3ec469 563 },
564 {
bb7c2085 565 FK_ABSTRACT, FK_NAMES, specialFlag,
566 "accessall",
567 FLG_ACCESSALL,
568 "set accessmodule, accessfile and accessczech",
569 "Sets accessmodule, accessfile and accessczech",
570 0, 0
28bf4b0b 571 },
bb7c2085 572
573 /* 4.3.2 Mutability */
28bf4b0b 574 {
bb7c2085 575 FK_ABSTRACT, FK_NONE, modeFlag,
576 "mutrep",
577 FLG_MUTREP,
578 "representation of mutable type has sharing semantics",
579 "LCL semantics requires that a mutable type exhibits sharing semantics. "
580 "In order for objects to be shared a indirection is necessary in the representation. "
581 "A mutable type may be represented by a pointer or an abstract mutable type. Handles "
582 "into static data are fine, too, but will generate this error message unless it is suppressed.",
28bf4b0b 583 0, 0
584 },
bb7c2085 585
586
587 /*
588 ** Memory Management (5)
589 */
590
591 /* Deallocation Errors */
28bf4b0b 592 {
bb7c2085 593 FK_MEMORY, FK_LEAK, modeFlag,
594 "mustfreefresh",
595 FLG_MUSTFREEFRESH,
596 "freshly allocated storage not released before return or scope exit",
597 "A memory leak has been detected. Storage allocated locally "
598 "is not released before the last reference to it is lost.",
28bf4b0b 599 0, 0
600 },
601 {
bb7c2085 602 FK_MEMORY, FK_LEAK, modeFlag,
603 "mustfreeonly",
604 FLG_MUSTFREEONLY,
605 "only storage not released before return or scope exit",
606 "A memory leak has been detected. Only-qualified storage is not released before the last "
607 "reference to it is lost.",
28bf4b0b 608 0, 0
609 },
610 {
bb7c2085 611 FK_MEMORY, FK_LEAK, specialFlag,
612 "mustfree",
613 FLG_MUSTFREE,
614 "fresh or only storage not released before return or scope exit (sets mustfreefresh and mustfreeonly)",
615 "A memory leak has been detected.",
28bf4b0b 616 0, 0
617 },
618 {
bb7c2085 619 FK_MEMORY, FK_DEAD, modeFlag,
620 "usereleased",
621 FLG_USERELEASED,
622 "storage used after release",
623 "Memory is used after it has been released (either by passing "
624 "as an only param or assigning to an only global).",
28bf4b0b 625 0, 0
626 },
627 {
bb7c2085 628 FK_MEMORY, FK_DEAD, modeFlag,
629 "strictusereleased",
630 FLG_STRICTUSERELEASED,
631 "element used after it may have been released",
632 "Memory (through fetch) is used after it may have been released "
633 "(either by passing as an only param or assigning to an only global).",
28bf4b0b 634 0, 0
635 },
636 {
bb7c2085 637 FK_MEMORY, FK_LEAK, modeFlag,
638 "compdestroy",
639 FLG_COMPDESTROY,
640 "all only references derivable from void pointer out only parameter are released",
641 "A storage leak due to incomplete deallocation of a structure or deep "
642 "pointer is suspected. Unshared storage that is reachable from "
643 "a reference that is being deallocated has not yet been deallocated. "
644 "Splint assumes when an object is passed "
645 "as an out only void pointer that the outer object will be "
646 "deallocated, but the inner objects will not.",
28bf4b0b 647 0, 0
648 },
649 {
bb7c2085 650 FK_MEMORY, FK_LEAK, modeFlag,
651 "strictdestroy",
652 FLG_STRICTDESTROY,
653 "report complete destruction errors for array elements that "
654 "may have been released",
655 NULL,
656 0, 0
657 },
658 {
659 FK_MEMORY, FK_ARRAY, modeFlag,
660 "deparrays",
661 FLG_DEPARRAYS,
662 "array elements are dependent storage",
663 "When an element is fetched from an array, Splint analysis is "
664 "not able to determine if the same element is reused. "
665 "If +deparrays, Splint will mark local storage assigned from "
666 "array fetches as dependent.",
28bf4b0b 667 0, 0
668 },
669 {
bb7c2085 670 FK_MEMORY, FK_NONE, modeFlag,
671 "branchstate",
672 FLG_BRANCHSTATE,
673 "storage has inconsistent states of alternate paths through a branch",
674 "The state of a variable is different depending on which branch "
675 "is taken. This means no annotation can sensibly be applied "
676 "to the storage.",
28bf4b0b 677 0, 0
678 },
679 {
bb7c2085 680 FK_MEMORY, FK_NONE, modeFlag,
681 "strictbranchstate",
682 FLG_STRICTBRANCHSTATE,
683 "storage through array fetch has inconsistent states of alternate "
684 "paths through a branch",
685 "The state of a variable through an array fetch is different depending "
686 "on which branch is taken. This means no annotation can sensibly be applied "
687 "to the storage.",
28bf4b0b 688 0, 0
689 },
690 {
bb7c2085 691 FK_MEMORY, FK_NONE, specialFlag,
692 "memchecks",
693 FLG_MEMCHECKS,
694 "sets all dynamic memory checking flags (memimplicit, mustfree, mustdefine, "
695 "mustnotalias, null, memtrans)",
696 NULL, 0, 0
28bf4b0b 697 },
698 {
bb7c2085 699 FK_MEMORY, FK_DEF, modeFlag,
700 "compmempass",
701 FLG_COMPMEMPASS,
702 "actual parameter matches alias kind of formal parameter completely ",
703 "Storage derivable from a parameter does not match the alias kind "
704 "expected for the formal parameter.",
28bf4b0b 705 0, 0
706 },
707 {
bb7c2085 708 FK_MEMORY, FK_DEAD, modeFlag,
709 "stackref",
710 FLG_RETSTACK,
711 "external reference to stack-allocated storage is created",
712 "A stack reference is pointed to by an external reference when the "
713 "function returns. The stack-allocated storage is destroyed "
714 "after the call, leaving a dangling reference.",
28bf4b0b 715 0, 0
716 },
bb7c2085 717
28bf4b0b 718 {
bb7c2085 719 FK_MEMORY, FK_NONE, specialFlag,
720 "memtrans",
721 FLG_MEMTRANS,
722 "memory transfer errors (sets all *trans flags)",
723 "Memory is transferred in a way that violates annotations.",
28bf4b0b 724 0, 0
725 },
726 {
bb7c2085 727 FK_MEMORY, FK_NONE, modeFlag,
728 "dependenttrans",
729 FLG_DEPENDENTTRANS,
730 "dependent transfer errors",
731 "Dependent storage is transferred to a non-dependent reference.",
28bf4b0b 732 0, 0
733 },
734 {
bb7c2085 735 FK_MEMORY, FK_NONE, modeFlag,
736 "newreftrans",
737 FLG_NEWREFTRANS,
738 "new reference transfer to reference counted reference",
739 "A new reference is transferred to a reference counted reference.",
28bf4b0b 740 0, 0
741 },
742 {
bb7c2085 743 FK_MEMORY, FK_NONE, modeFlag,
744 "onlytrans",
745 FLG_ONLYTRANS,
746 "only storage transferred to non-only reference (memory leak)",
747 "The only reference to this storage is transferred to another "
748 "reference (e.g., by returning it) that does not have the "
749 "only annotation. This may lead to a memory leak, since the "
750 "new reference is not necessarily released.",
28bf4b0b 751 0, 0
752 },
753 {
bb7c2085 754 FK_MEMORY, FK_NONE, modeFlag,
755 "onlyunqglobaltrans",
756 FLG_ONLYUNQGLOBALTRANS,
757 "only storage transferred to an unqualified global or "
758 "static reference (memory leak)",
759 "The only reference to this storage is transferred to another "
760 "reference that does not have an aliasing annotation. "
761 "This may lead to a memory leak, since the "
762 "new reference is not necessarily released.",
28bf4b0b 763 0, 0
764 },
765 {
bb7c2085 766 FK_MEMORY, FK_NONE, modeFlag,
767 "ownedtrans",
768 FLG_OWNEDTRANS,
769 "owned storage transferred to non-owned reference (memory leak)",
770 "The owned reference to this storage is transferred to another "
771 "reference (e.g., by returning it) that does not have the "
772 "owned annotation. This may lead to a memory leak, since the "
773 "new reference is not necessarily released.",
28bf4b0b 774 0, 0
775 },
776 {
bb7c2085 777 FK_MEMORY, FK_NONE, modeFlag,
778 "freshtrans",
779 FLG_FRESHTRANS,
780 "fresh storage transferred to non-only reference (memory leak)",
781 "Fresh storage (newly allocated in this function) is transferred "
782 "in a way that the obligation to release storage is not "
783 "propagated. Use the /*@only@*/ annotation to indicate "
784 "the a return value is the only reference to the returned "
785 "storage.",
28bf4b0b 786 0, 0
787 },
788 {
bb7c2085 789 FK_MEMORY, FK_NONE, modeFlag,
790 "sharedtrans",
791 FLG_SHAREDTRANS,
792 "shared storage transferred to non-shared reference",
793 "Shared storage is transferred to a non-shared reference. The other "
794 "reference may release storage needed by this reference.",
28bf4b0b 795 0, 0
796 },
797 {
bb7c2085 798 FK_MEMORY, FK_NONE, modeFlag,
799 "temptrans",
800 FLG_TEMPTRANS,
801 "temp storage transferred to non-temporary reference",
802 "Temp storage (associated with a formal parameter) is transferred "
803 "to a non-temporary reference. The storage may be released "
804 "or new aliases created.",
28bf4b0b 805 0, 0
806 },
807 {
bb7c2085 808 FK_MEMORY, FK_NONE, modeFlag,
809 "kepttrans",
810 FLG_KEPTTRANS,
811 "kept storage transferred to non-temporary reference",
45569d72 812 "storage is transferred "
813 "to a non-temporary reference after being passed as keep parameter. The storage may be released "
bb7c2085 814 "or new aliases created.",
28bf4b0b 815 0, 0
816 },
817 {
bb7c2085 818 FK_MEMORY, FK_NONE, modeFlag,
819 "keeptrans",
820 FLG_KEEPTRANS,
821 "keep storage transferred inconsistently",
822 "Keep storage is transferred inconsistently --- either in a way "
823 "that may add a new alias to it, or release it.",
28bf4b0b 824 0, 0
825 },
826 {
bb7c2085 827 FK_MEMORY, FK_NONE, modeFlag,
828 "immediatetrans",
829 FLG_IMMEDIATETRANS,
830 "an immediate address (result of &) is transferred inconsistently",
831 "An immediate address (result of & operator) is transferred "
832 "inconsistently.",
28bf4b0b 833 0, 0
834 },
835 {
bb7c2085 836 FK_MEMORY, FK_NONE, modeFlag,
837 "refcounttrans",
838 FLG_REFCOUNTTRANS,
839 "reference counted storage is transferred in an inconsistent way",
840 "Reference counted storage is transferred in a way that may not "
841 "be consistent with the reference count.",
28bf4b0b 842 0, 0
843 },
844 {
bb7c2085 845 FK_MEMORY, FK_NONE, modeFlag,
846 "statictrans",
847 FLG_STATICTRANS,
848 "static storage is transferred in an inconsistent way",
849 "Static storage is transferred in an inconsistent way.",
28bf4b0b 850 0, 0
851 },
852 {
bb7c2085 853 FK_MEMORY, FK_NONE, modeFlag,
854 "unqualifiedtrans",
855 FLG_UNKNOWNTRANS,
856 "unqualified storage is transferred in an inconsistent way",
857 "Unqualified storage is transferred in an inconsistent way.",
28bf4b0b 858 0, 0
bb7c2085 859 },
28bf4b0b 860 {
bb7c2085 861 FK_MEMORY, FK_NONE, modeFlag,
862 "staticinittrans",
863 FLG_STATICINITTRANS,
864 "static storage is used as an initial value in an inconsistent way",
865 "Static storage is used as an initial value in an inconsistent way.",
28bf4b0b 866 0, 0
867 },
868 {
bb7c2085 869 FK_MEMORY, FK_NONE, modeFlag,
870 "unqualifiedinittrans",
871 FLG_UNKNOWNINITTRANS,
872 "unqualified storage is used as an initial value in an inconsistent way",
873 "Unqualified storage is used as an initial value in an inconsistent way.",
28bf4b0b 874 0, 0
875 },
876 {
bb7c2085 877 FK_MEMORY, FK_NONE, modeFlag,
878 "readonlytrans",
879 FLG_READONLYTRANS,
880 "report memory transfer errors for initializations to read-only string literals",
881 "A read-only string literal is assigned to a non-observer reference.",
28bf4b0b 882 0, 0
883 },
884 {
bb7c2085 885 FK_MEMORY, FK_PARAMS, modeFlag,
886 "passunknown",
887 FLG_PASSUNKNOWN,
888 "passing a value as an un-annotated parameter clears its annotation",
889 NULL, 0, 0
28bf4b0b 890 },
bb7c2085 891
892 /* 5.3 Implicit Memory Annotations */
893
28bf4b0b 894 {
bb7c2085 895 FK_MEMORY, FK_NONE, modeFlag,
896 "readonlystrings",
897 FLG_READONLYSTRINGS,
898 "string literals are read-only (error if one is modified or released)",
899 "String literals are read-only. An error is reported "
900 "if a string literal may be modified or released.",
28bf4b0b 901 0, 0
902 },
903 {
bb7c2085 904 FK_MEMORY, FK_IMPLICIT, modeFlag,
905 "memimp",
906 FLG_MEMIMPLICIT,
907 "memory errors for unqualified storage",
28bf4b0b 908 NULL, 0, 0
909 },
910 {
bb7c2085 911 FK_MEMORY, FK_IMPLICIT, plainFlag,
912 "paramimptemp",
913 FLG_PARAMIMPTEMP,
914 "assume unannotated parameter is temp",
28bf4b0b 915 NULL, 0, 0
916 },
917 {
bb7c2085 918 FK_MEMORY, FK_IMPLICIT, specialFlag,
919 "allimponly",
920 FLG_ALLIMPONLY,
921 "sets globimponly, retimponly, structimponly, specglobimponly, "
922 "specretimponly and specstructimponly",
28bf4b0b 923 NULL, 0, 0
bb7c2085 924 },
28bf4b0b 925 {
bb7c2085 926 FK_MEMORY, FK_IMPLICIT, specialFlag,
927 "codeimponly",
928 FLG_CODEIMPONLY,
929 "sets globimponly, retimponly and structimponly",
28bf4b0b 930 NULL, 0, 0
bb7c2085 931 },
28bf4b0b 932 {
bb7c2085 933 FK_MEMORY, FK_IMPLICIT, specialFlag,
934 "specimponly",
935 FLG_SPECALLIMPONLY,
936 "sets specglobimponly, specretimponly and specstructimponly",
28bf4b0b 937 NULL, 0, 0
bb7c2085 938 },
28bf4b0b 939 {
bb7c2085 940 FK_MEMORY, FK_IMPLICIT, plainFlag,
941 "globimponly",
942 FLG_GLOBIMPONLY,
943 "assume unannotated global storage is only",
28bf4b0b 944 NULL, 0, 0
885824d3 945 },
28bf4b0b 946 {
bb7c2085 947 FK_MEMORY, FK_IMPLICIT, plainFlag,
948 "retimponly",
949 FLG_RETIMPONLY,
950 "assume unannotated returned storage is only",
28bf4b0b 951 NULL, 0, 0
952 },
953 {
bb7c2085 954 FK_MEMORY, FK_IMPLICIT, plainFlag,
955 "structimponly",
956 FLG_STRUCTIMPONLY,
957 "assume unannotated structure field is only",
28bf4b0b 958 NULL, 0, 0
959 },
960 {
bb7c2085 961 FK_MEMORY, FK_IMPLICIT, plainFlag,
962 "specglobimponly",
963 FLG_SPECGLOBIMPONLY,
964 "assume unannotated global storage is only",
28bf4b0b 965 NULL, 0, 0
966 },
967 {
bb7c2085 968 FK_MEMORY, FK_IMPLICIT, plainFlag,
969 "specretimponly",
970 FLG_SPECRETIMPONLY,
971 "assume unannotated returned storage is only",
28bf4b0b 972 NULL, 0, 0
973 },
974 {
bb7c2085 975 FK_MEMORY, FK_IMPLICIT, plainFlag,
976 "specstructimponly",
977 FLG_SPECSTRUCTIMPONLY,
978 "assume unannotated structure field is only",
28bf4b0b 979 NULL, 0, 0
980 },
bb7c2085 981
982 /* Reference Counting */
983
984
985
986 /*
987 ** 6. Sharing
988 */
989
990 /* 6.1 Aliasing warnings */
991
28bf4b0b 992 {
bb7c2085 993 FK_ALIAS, FK_MEMORY, modeFlag,
994 "aliasunique",
995 FLG_ALIASUNIQUE,
996 "unique parameter is aliased",
997 "A unique or only parameter is aliased by some other parameter or visible global.",
998 0, 0
28bf4b0b 999 },
1000 {
bb7c2085 1001 FK_ALIAS, FK_MEMORY, modeFlag,
1002 "mayaliasunique",
1003 FLG_MAYALIASUNIQUE,
1004 "unique parameter may be aliased",
1005 "A unique or only parameter may be aliased by some other parameter or visible global.",
1006 0, 0
28bf4b0b 1007 },
1008 {
bb7c2085 1009 FK_ALIAS, FK_MEMORY, modeFlag,
1010 "mustnotalias",
1011 FLG_MUSTNOTALIAS,
1012 "temp storage aliased at return point or scope exit",
1013 "An alias has been added to a temp-qualifier parameter or global that is visible externally when the function returns. If the aliasing is needed, use the /*@shared@*/ annotation to indicate that new aliases to the parameter may be created.",
1014 0, 0
28bf4b0b 1015 },
1016 {
bb7c2085 1017 FK_ALIAS, FK_NONE, modeFlag,
1018 "retalias",
1019 FLG_RETALIAS,
1020 "function returns alias to parameter or global",
1021 "The returned value shares storage with a parameter or global. If a parameter is to be returned, use the returned qualifier. If the result is not modified, use the observer qualifier on the result type. Otherwise, exposed can be used, but limited checking is done.", 0, 0
28bf4b0b 1022 },
bb7c2085 1023
1024 /* Global aliasing */
28bf4b0b 1025 {
bb7c2085 1026 FK_ALIAS, FK_GLOBALS, specialFlag,
1027 "globalias",
1028 FLG_GLOBALIAS,
1029 "function returns with global aliasing external state (sets "
1030 "checkstrictglobalias, checkedglobalias, checkmodglobalias and "
1031 "uncheckedglobalias)",
1032 "A global variable aliases externally-visible state when the function returns.",
28bf4b0b 1033 0, 0
1034 },
1035 {
bb7c2085 1036 FK_ALIAS, FK_GLOBALS, modeFlag,
1037 "checkstrictglobalias",
1038 FLG_CHECKSTRICTGLOBALIAS,
1039 "function returns with a checkstrict global aliasing external state",
1040 "A global variable aliases externally-visible state when the function returns.",
28bf4b0b 1041 0, 0
1042 },
1043 {
bb7c2085 1044 FK_ALIAS, FK_GLOBALS, modeFlag,
1045 "checkedglobalias",
1046 FLG_CHECKEDGLOBALIAS,
1047 "function returns with a checked global aliasing external state",
1048 "A global variable aliases externally-visible state when the function returns.",
28bf4b0b 1049 0, 0
1050 },
1051 {
bb7c2085 1052 FK_ALIAS, FK_GLOBALS, modeFlag,
1053 "checkmodglobalias",
1054 FLG_CHECKMODGLOBALIAS,
1055 "function returns with a checkmod global aliasing external state",
1056 "A global variable aliases externally-visible state when the function returns.",
1057 0, 0
28bf4b0b 1058 },
1059 {
bb7c2085 1060 FK_ALIAS, FK_GLOBALS, modeFlag,
1061 "uncheckedglobalias",
1062 FLG_UNCHECKEDGLOBALIAS,
1063 "function returns with an unchecked global aliasing external state",
1064 "A global variable aliases externally-visible state when the function returns.",
1065 0, 0
28bf4b0b 1066 },
bb7c2085 1067
1068 /* 6.2 Exposure */
1069
28bf4b0b 1070 {
bb7c2085 1071 FK_MEMORY, FK_NONE, modeFlag,
1072 "exposetrans",
1073 FLG_EXPOSETRANS,
1074 "exposure transfer errors",
1075 "Exposed storage is transferred to a non-exposed, non-observer reference.",
1076 0, 0
28bf4b0b 1077 },
1078 {
bb7c2085 1079 FK_MEMORY, FK_NONE, modeFlag,
1080 "observertrans",
1081 FLG_OBSERVERTRANS,
1082 "observer transfer errors",
1083 "Observer storage is transferred to a non-observer reference.",
1084 0, 0
28bf4b0b 1085 },
1086 {
1087 FK_EXPOSURE, FK_ABSTRACT, specialFlag,
1088 "repexpose",
1089 FLG_REPEXPOSE,
1090 "abstract representation is exposed (sets assignexpose, retexpose, and castexpose)",
1091 "The internal representation of an abstract type is visible to the "
1092 "caller. This means clients may have access to a pointer "
1093 "into the abstract representation.",
1094 0, 0
1095 },
1096 {
1097 FK_EXPOSURE, FK_ABSTRACT, modeFlag,
1098 "retexpose",
1099 FLG_RETEXPOSE,
1100 "abstract representation is exposed (return values only)",
1101 "The return value shares storage with an instance of an abstract "
1102 "type. This means clients may have access to a pointer into "
1103 "the abstract representation. Use the observer qualifier to "
1104 "return exposed storage that may not be modified by the "
1105 "client. Use the exposed qualifier to return modifiable "
1106 "(but not deallocatable) exposed storage (dangerous).",
1107 0, 0
1108 },
1109 {
1110 FK_EXPOSURE, FK_ABSTRACT, modeFlag,
1111 "assignexpose",
1112 FLG_ASSIGNEXPOSE,
1113 "abstract representation is exposed (assignments only)",
1114 "Storage internal to the representation of an abstract type is "
1115 "assigned to an external pointer. This means clients may "
1116 "have access to a pointer into the abstract representation. "
1117 "If the external pointer is a parameter, the exposed qualifier "
1118 "can be used to allow the assignment, however, this is "
1119 "considered dangerous programming practice.",
1120 0, 0
1121 },
1122 {
1123 FK_EXPOSURE, FK_ABSTRACT, modeFlag,
1124 "castexpose",
1125 FLG_CASTEXPOSE,
1126 "abstract representation is exposed through a cast",
1127 "Storage internal to the representation of an abstract type is exposed "
1128 "through a type cast. This means clients may have access to a "
1129 "pointer into the abstract representation.",
1130 0, 0
885824d3 1131 },
28bf4b0b 1132 {
bb7c2085 1133 FK_DECL, FK_TYPE, modeFlag,
1134 "redundantsharequal",
1135 FLG_REDUNDANTSHAREQUAL,
1136 "declaration uses observer qualifier that is always true",
1137 "A declaration of an immutable object uses a redundant observer qualifier.",
1138 0, 0
1139 } ,
1140 {
1141 FK_DECL, FK_TYPE, modeFlag,
1142 "misplacedsharequal",
1143 FLG_MISPLACEDSHAREQUAL,
1144 "declaration of unsharable storage uses sharing annotation",
1145 "A declaration of an unsharable object uses a sharing annotation.",
1146 0, 0
1147 } ,
1148
1149 /*
1150 ** 7. Function Interfaces
1151 */
1152
1153 /* 7.1 Modifications */
1154
1155 {
1156 FK_MODIFIES, FK_SPEC, plainFlag,
1157 "mods",
1158 FLG_MODIFIES,
1159 "unspecified modification of caller-visible state",
1160 "An externally-visible object is modified by a function, but not "
1161 "listed in its modifies clause.",
1162 0, 0
28bf4b0b 1163 },
1164 {
bb7c2085 1165 FK_MODIFIES, FK_SPEC, modeFlag,
1166 "mustmod",
1167 FLG_MUSTMOD,
1168 "specified modification is not detected",
1169 "An object listed in the modifies clause is not modified by the "
1170 "implementation of the function. The modification may not "
1171 "be detected if it is done through a call to an unspecified "
1172 "function.",
1173 0, 0
28bf4b0b 1174 },
1175 {
bb7c2085 1176 FK_MODIFIES, FK_MEMORY, plainFlag,
1177 "modobserver",
1178 FLG_MODOBSERVER,
1179 "possible modification of observer storage",
1180 "Storage declared with observer is possibly modified. Observer "
1181 "storage may not be modified.",
1182 0, 0
28bf4b0b 1183 },
1184 {
bb7c2085 1185 FK_MODIFIES, FK_MEMORY, modeFlag,
1186 "modobserveruncon",
1187 FLG_MODOBSERVERUNCON,
1188 "possible modification of observer storage through unconstrained call",
1189 "Storage declared with observer may be modified through a call to an "
1190 "unconstrained function.",
1191 0, 0
1192 },
1193 {
1194 FK_MODIFIES, FK_MEMORY, modeFlag,
1195 "modinternalstrict",
1196 FLG_MODINTERNALSTRICT,
1197 "possible modification of internal storage through function call",
1198 "A function that modifies internalState is called from a function that "
1199 "does not list internalState in its modifies clause",
1200 0, 0
1201 },
1202 {
1203 FK_MODIFIES, FK_UNSPEC, modeFlag,
1204 "modfilesys",
1205 FLG_MODFILESYSTEM,
1206 "report undocumented file system modifications (applies to unspecified "
1207 "functions if modnomods is set)",
28bf4b0b 1208 NULL, 0, 0
1209 },
1210 {
bb7c2085 1211 FK_MODIFIES, FK_UNSPEC, specialFlag,
1212 "modunspec",
1213 FLG_MODUNSPEC,
1214 "modification in unspecified functions (sets modnomods, "
1215 "modglobunspec and modstrictglobsunspec)",
28bf4b0b 1216 NULL, 0, 0
1217 },
1218 {
bb7c2085 1219 FK_MODIFIES, FK_UNSPEC, modeFlag,
1220 "modnomods",
1221 FLG_MODNOMODS,
1222 "modification in a function with no modifies clause",
1223 "An externally-visible object is modified by a function with no "
1224 "/*@modifies@*/ comment. The /*@modifies ... @*/ control "
1225 "comment can be used to give a modifies list for an "
1226 "unspecified function.",
28bf4b0b 1227 0, 0
1228 },
1229 {
bb7c2085 1230 FK_MODIFIES, FK_UNSPEC, modeFlag,
1231 "moduncon",
1232 FLG_MODUNCON,
1233 "possible modification through a call to an unconstrained function",
1234 "An unconstrained function is called in a function body where "
1235 "modifications are checked. Since the unconstrained function "
1236 "may modify anything, there may be undetected modifications in "
1237 "the checked function.",
1238 0, 0
1239 },
28bf4b0b 1240 {
bb7c2085 1241 FK_MODIFIES, FK_UNSPEC, modeFlag,
1242 "modunconnomods",
1243 FLG_MODUNCONNOMODS,
1244 "possible modification through a call to an unconstrained function in "
1245 "a function with no modifies clause",
1246 "An unconstrained function is called in a function body where "
1247 "modifications are checked. Since the unconstrained function "
1248 "may modify anything, there may be undetected modifications in "
1249 "the checked function.",
1250 0, 0
28bf4b0b 1251 },
1252 {
bb7c2085 1253 FK_MODIFIES, FK_GLOBALS, modeFlag,
1254 "globsimpmodsnothing",
1255 FLG_GLOBALSIMPMODIFIESNOTHING,
1256 "functions declared with a globals list but no modifies clause are "
1257 "assumed to modify nothing",
1258 "An implicit modifies nothing clause is assumed for a function "
1259 "declared with a globals list but not modifies clause.",
1260 0, 0
28bf4b0b 1261 },
1262 {
bb7c2085 1263 FK_MODIFIES, FK_GLOBALS, modeFlag,
1264 "modsimpnoglobs",
1265 FLG_MODIFIESIMPNOGLOBALS,
1266 "functions declared with a modifies clause but no globals list "
1267 "are assumed to use no globals",
1268 "An implicit empty globals list is assumed for a function "
1269 "declared with a modifies clause but no globals list.",
1270 0, 0
1271 },
1272
1273 /*
1274 ** Globals
1275 */
1276
1277 {
1278 FK_GLOBALS, FK_NONE, modeFlag,
1279 "globstate",
1280 FLG_GLOBSTATE,
1281 "returns with global in inconsistent state (null or undefined)",
1282 "A global variable does not satisfy its annotations when control is transferred.",
1283 0, 0
28bf4b0b 1284 },
bb7c2085 1285
28bf4b0b 1286 {
1287 FK_GLOBALS, FK_SPEC, plainFlag,
1288 "globs",
1289 FLG_GLOBALS,
1290 "undocumented use of a checked global variable",
1291 "A checked global variable is used in the function, but not listed in "
1292 "its globals clause. By default, only globals specified in .lcl "
1293 "files are checked. To check all globals, use +allglobals. To "
1294 "check globals selectively use /*@checked@*/ in the global "
1295 "declaration.",
1296 0, 0
1297 },
1298 {
1299 FK_GLOBALS, FK_SPEC, modeFlag,
1300 "globuse",
1301 FLG_USEALLGLOBS,
1302 "global listed for a function not used",
1303 "A global variable listed in the function's globals list is not used "
1304 "in the body of the function.",
1305 0, 0
1306 },
1307 {
1308 FK_GLOBALS, FK_NONE, modeFlag,
1309 "internalglobs",
1310 FLG_INTERNALGLOBS,
1311 "use of internalState",
1312 "A called function uses internal state, but the globals list for the "
1313 "function being checked does not include internalState",
1314 0, 0
1315 },
1316 {
1317 FK_GLOBALS, FK_NONE, modeFlag,
1318 "internalglobsnoglobs",
1319 FLG_INTERNALGLOBSNOGLOBS,
1320 "use of internalState (in function with no globals list)",
1321 "A called function uses internal state, but the function being checked "
1322 "has no globals list",
1323 0, 0
1324 },
1325 {
1326 FK_GLOBALS, FK_MODIFIES, modeFlag,
1327 "warnmissingglobs",
1328 FLG_WARNMISSINGGLOBALS,
1329 "global variable used in modifies clause is not listed in globals list",
6fcd0b1e 1330 "A global variable is used in the modifies clause, but it is not listed in "
28bf4b0b 1331 "the globals list. The variable will be added to the globals list.",
1332 0, 0
885824d3 1333 },
1334
28bf4b0b 1335 {
1336 FK_GLOBALS, FK_MODIFIES, modeFlag,
1337 "warnmissingglobsnoglobs",
1338 FLG_WARNMISSINGGLOBALSNOGLOBS,
1339 "global variable used in modifies clause in a function with no globals list",
1340 "A global variable is used in the modifies clause, but the function "
1341 "has no globals list. The variable will be added to the globals list.",
1342 0, 0
1343 },
1344 {
1345 FK_GLOBALS, FK_UNSPEC, modeFlag,
1346 "globnoglobs",
1347 FLG_GLOBUNSPEC,
1348 "use of checked global in a function with no globals list or specification",
1349 "A specified global variable is used in the function, but not listed "
1350 "in its globals list. Without +globnoglobs, only globals "
1351 "declared with /*@checkedstrict@*/ will produce use "
1352 "errors in functions without globals "
1353 "lists. The /*@globals ... @*/ control comment can be used to give "
1354 "a globals list for an unspecified function.",
1355 0, 0
1356 },
1357 {
1358 FK_GLOBALS, FK_IMPLICIT, modeFlag,
1359 "allglobs",
1360 FLG_ALLGLOBALS,
1361 "report use and modification errors for globals not annotated with unchecked",
1362 NULL, 0, 0
1363 },
1364 {
1365 FK_GLOBALS, FK_UNSPEC, modeFlag,
1366 "checkstrictglobs",
1367 FLG_CHECKSTRICTGLOBALS,
1368 "report use and modification errors for checkedstrict globals",
1369 NULL, 0, 0
1370 },
1371 {
1372 FK_GLOBALS, FK_UNSPEC, modeFlag,
1373 "impcheckedspecglobs",
1374 FLG_IMPCHECKEDSPECGLOBALS,
1375 "assume checked qualifier for unqualified global declarations in .lcl files",
1376 NULL, 0, 0
1377 },
1378 {
1379 FK_GLOBALS, FK_UNSPEC, modeFlag,
1380 "impcheckmodspecglobs",
1381 FLG_IMPCHECKMODSPECGLOBALS,
1382 "assume checkmod qualifier for unqualified global declarations in .lcl files",
1383 NULL, 0, 0
1384 },
1385 {
1386 FK_GLOBALS, FK_UNSPEC, modeFlag,
1387 "impcheckedstrictspecglobs",
1388 FLG_IMPCHECKEDSTRICTSPECGLOBALS,
1389 "assume checkmod qualifier for unqualified global declarations in .lcl files",
1390 NULL, 0, 0
1391 },
1392 {
1393 FK_GLOBALS, FK_UNSPEC, modeFlag,
1394 "impcheckedglobs",
1395 FLG_IMPCHECKEDGLOBALS,
1396 "assume checked qualifier for unqualified global declarations",
1397 NULL, 0, 0
1398 },
1399 {
1400 FK_GLOBALS, FK_UNSPEC, modeFlag,
1401 "impcheckmodglobs",
1402 FLG_IMPCHECKMODGLOBALS,
1403 "assume checkmod qualifier for unqualified global declarations",
1404 NULL, 0, 0
1405 },
1406 {
1407 FK_GLOBALS, FK_UNSPEC, modeFlag,
1408 "impcheckedstrictglobs",
1409 FLG_IMPCHECKEDSTRICTGLOBALS,
1410 "assume checkedstrict qualifier for unqualified global declarations",
1411 NULL, 0, 0
1412 },
1413 {
1414 FK_GLOBALS, FK_UNSPEC, modeFlag,
1415 "impcheckedstatics",
1416 FLG_IMPCHECKEDSTATICS,
1417 "assume checked qualifier for unqualified file static declarations",
1418 NULL, 0, 0
1419 },
1420 {
1421 FK_GLOBALS, FK_UNSPEC, modeFlag,
1422 "impcheckmodstatics",
1423 FLG_IMPCHECKMODSTATICS,
1424 "assume checkmod qualifier for unqualified file static declarations",
1425 NULL, 0, 0
1426 },
1427 {
1428 FK_GLOBALS, FK_UNSPEC, modeFlag,
1429 "impcheckmodinternals",
1430 FLG_IMPCHECKMODINTERNALS,
1431 "assume checkmod qualifier for unqualified local "
1432 "static declarations (for internal state modifications)",
1433 NULL, 0, 0
1434 },
1435 {
1436 FK_GLOBALS, FK_UNSPEC, modeFlag,
1437 "impcheckedstrictstatics",
1438 FLG_IMPCHECKEDSTRICTSTATICS,
1439 "assume checkedstrict qualifier for unqualified file static declarations",
1440 NULL, 0, 0
1441 },
1442 {
1443 FK_GLOBALS, FK_MODIFIES, modeFlag,
1444 "modglobs",
1445 FLG_MODGLOBS,
1446 "undocumented modification of a checked global variable",
1447 "A checked global variable is modified by the function, but not listed in "
1448 "its modifies clause.",
1449 0, 0
1450 },
1451 {
1452 FK_GLOBALS, FK_MODIFIES, modeFlag,
1453 "modglobsnomods",
1454 FLG_MODGLOBSUNSPEC,
1455 "undocumented modification of a checked global variable in a function "
1456 "declared with no modifies clause",
1457 "A checked global variable is modified by the function, but not listed in "
1458 "its modifies clause.",
1459 0, 0
1460 },
1461 {
1462 FK_GLOBALS, FK_MODIFIES, modeFlag,
1463 "modstrictglobsnomods",
1464 FLG_MODSTRICTGLOBSUNSPEC,
1465 "undocumented modification of a strict checked global variable in a "
1466 "function declared with no modifies clause",
1467 "A checked global variable is modified by the function, but not listed in "
1468 "its modifies clause.",
1469 0, 0
1470 },
1471 {
1472 FK_GLOBALS, FK_MODIFIES, modeFlag,
1473 "modglobsunchecked",
1474 FLG_MODGLOBSUNCHECKED,
1475 "undocumented modification of an unchecked checked global variable",
1476 "An unchecked global variable is modified by the function, but not listed in "
1477 "its modifies clause.",
1478 0, 0
1479 },
bb7c2085 1480
1481 /*
1482 ** State Clauses
1483 */
1484
1485 /*
1486 ** 8. Control Flow
1487 */
1488
1489 /* 8.1 Execution */
1490
28bf4b0b 1491 {
bb7c2085 1492 FK_CONTROL, FK_NONE, modeFlag,
1493 "noret",
1494 FLG_NORETURN,
1495 "path with no return detected in non-void function",
1496 "There is a path through a function declared to return a value on "
1497 "which there is no return statement. This means the execution "
1498 "may fall through without returning a meaningful result to "
1499 "the caller.",
28bf4b0b 1500 0, 0
1501 },
1502 {
bb7c2085 1503 FK_CONTROL, FK_NONE, plainFlag,
1d1a8097 1504 "emptyret",
bb7c2085 1505 FLG_EMPTYRETURN,
1506 "empty return in function declared to return value",
1507 NULL,
28bf4b0b 1508 0, 0
1509 },
1510 {
bb7c2085 1511 FK_CONTROL, FK_NONE, plainFlag,
1512 "alwaysexits",
1513 FLG_ALWAYSEXITS,
1514 "loop predicate always exits",
1515 NULL,
28bf4b0b 1516 0, 0
1517 },
bb7c2085 1518
28bf4b0b 1519 {
bb7c2085 1520 FK_CONTROL, FK_MEMORY, specialFlag,
1521 "loopexec",
1522 FLG_LOOPEXEC,
1523 "assume all loops execute at least once (sets forloopexec, whileloopexec and iterloopexec)",
1524 NULL, 0, 0
28bf4b0b 1525 },
1526 {
bb7c2085 1527 FK_CONTROL, FK_MEMORY, plainFlag,
1528 "forloopexec",
1529 FLG_FORLOOPEXEC,
1530 "assume all for loops execute at least once",
1531 NULL, 0, 0
28bf4b0b 1532 },
1533 {
bb7c2085 1534 FK_CONTROL, FK_MEMORY, plainFlag,
1535 "whileloopexec",
1536 FLG_WHILELOOPEXEC,
1537 "assume all while loops execute at least once",
1538 NULL, 0, 0
28bf4b0b 1539 },
1540 {
bb7c2085 1541 FK_CONTROL, FK_MEMORY, plainFlag,
1542 "iterloopexec",
1543 FLG_ITERLOOPEXEC,
1544 "assume all iterator loops execute at least once",
1545 NULL, 0, 0
60868d40 1546 },
1547 {
bb7c2085 1548 FK_CONTROL, FK_MEMORY, plainFlag,
1549 "obviousloopexec",
1550 FLG_OBVIOUSLOOPEXEC,
1551 "assume loop that can be determined to always execute always does",
1552 NULL, 0, 0
28bf4b0b 1553 },
bb7c2085 1554
1555 /* 8.2 Undefined Behavior */
1556
28bf4b0b 1557 {
bb7c2085 1558 FK_BEHAVIOR, FK_ANSI, modeFlag,
1559 "evalorder",
1560 FLG_EVALORDER,
1561 "code has unspecified or implementation-dependent behavior "
1562 "because of order of evaluation",
1563 "Code has unspecified behavior. "
1564 "Order of evaluation of function parameters or subexpressions "
1565 "is not defined, so if a value is used and modified in different "
1566 "places not separated by a sequence point constraining "
1567 "evaluation order, then the result of the expression is "
1568 "unspecified.",
60868d40 1569 0, 0
28bf4b0b 1570 },
1571 {
bb7c2085 1572 FK_BEHAVIOR, FK_ANSI, modeFlag,
1573 "evalorderuncon",
1574 FLG_EVALORDERUNCON,
1575 "code involving call to unspecified function has undefined or implementation-dependent behavior",
1576 "Code involving a call to function with no modifies or globals clause "
1577 "may have undefined or implementation-dependent behavior (Splint assumes the "
1578 "unconstrained call may modify any reachable state or use any global). Add a "
1579 "specification for the function.",
ccf0a4a8 1580 0, 0
28bf4b0b 1581 },
bb7c2085 1582
1583 /* 8.3 Problematic Control Structures */
1584
1585 /* 8.3.1 Infinite Loops */
1586
28bf4b0b 1587 {
bb7c2085 1588 FK_CONTROL, FK_NONE, modeFlag,
1589 "infloops",
1590 FLG_INFLOOPS,
1591 "likely infinite loop is detected",
1592 "This appears to be an infinite loop. Nothing in the body of the "
1593 "loop or the loop test modifies the value of the loop test. "
1594 "Perhaps the specification of a function called in the loop "
1595 "body is missing a modification.",
60868d40 1596 0, 0
28bf4b0b 1597 },
1598 {
bb7c2085 1599 FK_CONTROL, FK_NONE, modeFlag,
1600 "infloopsuncon",
1601 FLG_INFLOOPSUNCON,
1602 "likely infinite loop is detected (may result from unconstrained function)",
1603 "This appears to be an infinite loop. Nothing in the body of the "
1604 "loop or the loop test modifies the value of the loop test. "
1605 "There may be a modification through a call to an unconstrained "
1606 "function, or an unconstrained function in the loop test may use "
1607 "a global variable modified by the loop body.",
60868d40 1608 0, 0
28bf4b0b 1609 },
bb7c2085 1610
1611 /* 8.3.2 Switches */
1612
28bf4b0b 1613 {
bb7c2085 1614 FK_CONTROL, FK_NONE, modeFlag,
1615 "casebreak",
1616 FLG_CASEBREAK,
1617 "non-empty case in a switch without preceding break",
1618 "Execution falls through from the previous case.", 0, 0
28bf4b0b 1619 },
1620 {
bb7c2085 1621 FK_CONTROL, FK_NONE, modeFlag,
1622 "misscase",
1623 FLG_MISSCASE,
1624 "switch on enum type missing case for some value",
1625 "Not all values in an enumeration are present as cases in the switch.",
28bf4b0b 1626 0, 0
1627 },
1628 {
bb7c2085 1629 FK_CONTROL, FK_NONE, modeFlag,
1630 "firstcase",
1631 FLG_FIRSTCASE,
1632 "first statement in switch is not a case",
1633 "The first statement after a switch is not a case.",
28bf4b0b 1634 0, 0
1635 },
1636 {
bb7c2085 1637 FK_CONTROL, FK_NONE, plainFlag,
1638 "duplicatecases",
1639 FLG_DUPLICATECASES,
1640 "duplicate cases in switch",
1641 "Duplicate cases in switch.",
28bf4b0b 1642 0, 0
1643 },
bb7c2085 1644
1645 /* 8.3.3 Deep Breaks */
1646
28bf4b0b 1647 {
bb7c2085 1648 FK_CONTROL, FK_NONE, specialFlag,
1649 "deepbreak",
1650 FLG_DEEPBREAK,
1651 "break inside nested while or for or switch",
1652 "A break statement appears inside the body of a nested while, for or "
1653 "switch statement. Sets looploopbreak, loopswitchbreak, "
1654 "switchloopbreak, switchswitchbreak, and looploopcontinue.",
28bf4b0b 1655 0, 0
1656 },
1657 {
bb7c2085 1658 FK_CONTROL, FK_NONE, modeFlag,
1659 "looploopbreak",
1660 FLG_LOOPLOOPBREAK,
1661 "break inside nested while or for",
1662 "A break statement appears inside the body of a nested while or for "
1663 "statement. This is perfectly reasonable code, but check that "
1664 "the break is intended to break only the inner loop. The "
1665 "break statement may be preceded by /*@innerbreak@*/ to suppress "
1666 "the message for this break only.",
60868d40 1667 0, 0
28bf4b0b 1668 },
1669 {
bb7c2085 1670 FK_CONTROL, FK_NONE, modeFlag,
1671 "switchloopbreak",
1672 FLG_SWITCHLOOPBREAK,
1673 "break in loop inside switch",
1674 "A break statement appears inside the body of a while or for "
1675 "statement within a switch. This is perfectly reasonable code, but check that "
1676 "the break is intended to break only the inner loop. The "
1677 "break statement may be preceded by /*@loopbreak@*/ to suppress "
1678 "the message for this break only.",
1679 0, 0
28bf4b0b 1680 },
1681 {
bb7c2085 1682 FK_CONTROL, FK_NONE, modeFlag,
1683 "loopswitchbreak",
1684 FLG_LOOPSWITCHBREAK,
1685 "break in switch inside loop",
1686 "A break statement appears inside a switch statement within a while or "
1687 "for loop. This is perfectly reasonable code, but check that "
1688 "the break is intended to break only the inner loop. The "
1689 "break statement may be preceded by /*@switchbreak@*/ to suppress "
1690 "the message for this break only.",
60868d40 1691 0, 0
28bf4b0b 1692 },
1693 {
bb7c2085 1694 FK_CONTROL, FK_NONE, modeFlag,
1695 "switchswitchbreak",
1696 FLG_SWITCHSWITCHBREAK,
1697 "break in switch inside switch",
1698 "A break statement appears inside a switch statement within another "
1699 "switch statement. This is perfectly reasonable code, but check that "
1700 "the break is intended to break only the inner switch. The "
1701 "break statement may be preceded by /*@innerbreak@*/ to suppress "
1702 "the message for this break only.",
28bf4b0b 1703 0, 0
1704 },
1705 {
bb7c2085 1706 FK_CONTROL, FK_NONE, modeFlag,
1707 "looploopcontinue",
1708 FLG_LOOPLOOPCONTINUE,
1709 "continue inside nested loop",
1710 "A continue statement appears inside a loop within a loop. "
1711 "This is perfectly reasonable code, but check that "
1712 "the continue is intended to continue only the inner loop. The "
1713 "continue statement may be preceded by /*@innercontinue@*/ to suppress "
1714 "the message for this continue only.",
28bf4b0b 1715 0, 0
1716 },
bb7c2085 1717
1718 /* 8.3.4 Loop and If Bodies */
1719
28bf4b0b 1720 {
bb7c2085 1721 FK_CONTROL, FK_NONE, modeFlag,
1722 "whileempty",
1723 FLG_WHILEEMPTY,
1724 "a while statement has no body",
1725 "While statement has no body.",
28bf4b0b 1726 0, 0
1727 },
1728 {
bb7c2085 1729 FK_CONTROL, FK_NONE, modeFlag,
1730 "whileblock",
1731 FLG_WHILEBLOCK,
1732 "the body of a while statement is not a block",
1733 "While body is a single statement, not a compound block.",
28bf4b0b 1734 0, 0
1735 },
1736 {
bb7c2085 1737 FK_CONTROL, FK_NONE, modeFlag,
1738 "forempty",
1739 FLG_FOREMPTY,
1740 "a for statement has no body",
1741 "For statement has no body.",
1742 0, 0
28bf4b0b 1743 },
1744 {
bb7c2085 1745 FK_CONTROL, FK_NONE, modeFlag,
1746 "forblock",
1747 FLG_FORBLOCK,
1748 "the body of a for statement is not a block",
1749 "Loop body is a single statement, not a compound block.",
1750 0, 0
28bf4b0b 1751 },
1752 {
bb7c2085 1753 FK_CONTROL, FK_NONE, modeFlag,
1754 "ifempty",
1755 FLG_IFEMPTY,
1756 "an if statement has no body",
1757 "If statement has no body.",
1758 0, 0
28bf4b0b 1759 },
1760 {
bb7c2085 1761 FK_CONTROL, FK_NONE, modeFlag,
1762 "ifblock",
1763 FLG_IFBLOCK,
1764 "the body of an if statement is not a block",
1765 "If body is a single statement, not a compound block.",
28bf4b0b 1766 0, 0
1767 },
1768 {
bb7c2085 1769 FK_CONTROL, FK_NONE, specialFlag,
1770 "allempty",
1771 FLG_ALLEMPTY,
1772 "an if, while or for statement has no body (sets ifempty, "
1773 "whileempty and forempty",
1774 NULL,
28bf4b0b 1775 0, 0
1776 },
1777 {
bb7c2085 1778 FK_CONTROL, FK_NONE, specialFlag,
1779 "allblock",
1780 FLG_ALLBLOCK,
1781 "the body of an if, while or for statement is not a block "
1782 "(sets ifblock, whileblock and forblock)",
1783 "Body is a single statement, not a compound block.",
28bf4b0b 1784 0, 0
1785 },
bb7c2085 1786
1787 /* 8.3.5 Complete Logic */
1788
28bf4b0b 1789 {
bb7c2085 1790 FK_CONTROL, FK_NONE, modeFlag,
1791 "elseifcomplete",
1792 FLG_ELSEIFCOMPLETE,
1793 "if ... else if chains must have final else",
1794 "There is no final else following an else if construct.",
28bf4b0b 1795 0, 0
1796 },
bb7c2085 1797
1798 /* 8.4 Suspicious Statements */
1799
28bf4b0b 1800 {
bb7c2085 1801 FK_CONTROL, FK_NONE, modeFlag,
1802 "unreachable",
1803 FLG_UNREACHABLE,
1804 "unreachable code detected",
1805 "This code will never be reached on any possible execution.",
28bf4b0b 1806 0, 0
1807 },
bb7c2085 1808
1809 /* 8.4.1 Statements with No Effects */
1810
28bf4b0b 1811 {
bb7c2085 1812 FK_EFFECT, FK_CONTROL, modeFlag,
1813 "noeffect",
1814 FLG_NOEFFECT,
1815 "statement with no effect",
1816 "Statement has no visible effect --- no values are modified.",
28bf4b0b 1817 0, 0
1818 },
1819 {
bb7c2085 1820 FK_EFFECT, FK_CONTROL, modeFlag,
1821 "noeffectuncon",
1822 FLG_NOEFFECTUNCON,
1823 "statement with no effect (except possibly through call to "
1824 "unconstrained function)",
1825 "Statement has no visible effect --- no values are modified. It may "
1826 "modify something through a call to an unconstrained function.",
1827 0, 0
28bf4b0b 1828 },
bb7c2085 1829
1830 /* 8.4.2 Ignored Return Values */
1831
28bf4b0b 1832 {
bb7c2085 1833 FK_IGNORERET, FK_NONE, specialFlag,
1834 "retval",
1835 FLG_RETVAL,
1836 "return value ignored (sets retvalint, retvalbool and retvalother)",
1837 "Result returned by function call is not used. If this is intended, "
1838 "cast result to (void) to eliminate message.",
1839 0, 0
28bf4b0b 1840 },
1841 {
bb7c2085 1842 FK_IGNORERET, FK_BOOL, modeFlag,
1843 "retvalother",
1844 FLG_RETVALOTHER,
1845 "return value of type other than bool or int ignored",
1846 "Result returned by function call is not used. If this is intended, "
1847 "can cast result to (void) to eliminate message.",
28bf4b0b 1848 0, 0
1849 },
1850 {
bb7c2085 1851 FK_IGNORERET, FK_BOOL, modeFlag,
1852 "retvalbool",
1853 FLG_RETVALBOOL,
1854 "return value of manifest type bool ignored",
1855 "Result returned by function call is not used. If this is intended, "
1856 "can cast result to (void) to eliminate message.",
1857 0, 0
28bf4b0b 1858 },
1859 {
bb7c2085 1860 FK_IGNORERET, FK_NONE, modeFlag,
1861 "retvalint",
1862 FLG_RETVALINT,
1863 "return value of type int ignored",
1864 "Result returned by function call is not used. If this is intended, "
1865 "can cast result to (void) to eliminate message.",
1866 0, 0
28bf4b0b 1867 },
bb7c2085 1868
1869 /*
1870 ** 9. Buffer Sizes
1871 */
1872
28bf4b0b 1873 {
bb7c2085 1874 FK_BOUNDS, FK_MEMORY, modeFlag,
1875 "nullterminated",
1876 FLG_NULLTERMINATED,
1877 "misuse of nullterminated allocation",
1878 "A possibly non-nullterminated string/memory is used/referenced as a nullterminated one.",
1879 0, 0
28bf4b0b 1880 },
1881 {
bb7c2085 1882 FK_BOUNDS, FK_MEMORY, specialFlag,
1883 "bounds",
1884 FLG_BOUNDS,
1885 "memory bounds checking (sets boundsread and boundswrite)",
1886 "Memory read or write may be out of bounds of allocated storage.", 0, 0
28bf4b0b 1887 },
fba0ed37 1888 {
1889 FK_BOUNDS, FK_MEMORY, specialFlag,
1890 "likelybounds",
1891 FLG_LIKELYBOUNDS,
1892 "memory bounds checking (sets likelyboundsread and likelyboundswrite)",
1893 "Memory read or write may be out of bounds of allocated storage.", 0, 0
1894 },
1895 {
1896 FK_BOUNDS, FK_MEMORY, plainFlag,
1897 "likely-boundsread",
1898 FLG_LIKELYBOUNDSREAD,
1899 "likely out of bounds read",
1900 "A memory read references memory beyond the allocated storage.",
1901 0, 0
1902 },
1903 {
1904 FK_BOUNDS, FK_MEMORY, plainFlag,
1905 "likely-boundswrite",
1906 FLG_LIKELYBOUNDSWRITE,
1907 "likely buffer overflow from an out of bounds write",
1908 "A memory write may write to an address beyond the allocated buffer.",
1909 0, 0
1910 },
1911
28bf4b0b 1912 {
9276a168 1913 FK_BOUNDS, FK_MEMORY, plainFlag,
bb7c2085 1914 "boundsread",
1915 FLG_BOUNDSREAD,
1916 "possible out of bounds read",
1917 "A memory read references memory beyond the allocated storage.",
1918 0, 0
885824d3 1919 },
28bf4b0b 1920 {
9276a168 1921 FK_BOUNDS, FK_MEMORY, plainFlag,
bb7c2085 1922 "boundswrite",
1923 FLG_BOUNDSWRITE,
1924 "possible buffer overflow from an out of bounds write",
1925 "A memory write may write to an address beyond the allocated buffer.",
28bf4b0b 1926 0, 0
1927 },
bb7c2085 1928
28bf4b0b 1929 {
9276a168 1930 FK_BOUNDS, FK_DISPLAY, plainFlag,
bb7c2085 1931 "fcnpost",
1932 FLG_FUNCTIONPOST,
1933 "display function post conditions",
1934 "Display function post conditions.",
28bf4b0b 1935 0, 0
1936 },
4a689c7f 1937 {
9276a168 1938 FK_BOUNDS, FK_DISPLAY, plainFlag,
4a689c7f 1939 "redundantconstraints",
1940 FLG_REDUNDANTCONSTRAINTS,
1941 "display seemingly redundant constraints",
1942 "Display seemingly redundant constraints",
1943 0, 0
1944 },
bb7c2085 1945 /*drl7x added 6/18/01 */
28bf4b0b 1946 {
bb7c2085 1947 FK_BOUNDS, FK_MEMORY, modeFlag,
1948 "checkpost",
1949 FLG_CHECKPOST,
1950 "unable to verify predicate in ensures clause",
1951 "The function implementation may not satisfy a post condition given in an ensures clause.",
28bf4b0b 1952 0, 0
1953 },
bb7c2085 1954
28bf4b0b 1955 {
9276a168 1956 FK_BOUNDS, FK_MEMORY, plainFlag,
bb7c2085 1957 "implictconstraint",
1958 FLG_IMPLICTCONSTRAINT,
1959 "generate implicit constraints for functions",
1960 NULL,
28bf4b0b 1961 0, 0
1962 },
bb7c2085 1963 /*drl7x added 4/29/01 */
28bf4b0b 1964 {
9276a168 1965 FK_BOUNDS, FK_MEMORY, plainFlag,
bb7c2085 1966 "orconstraint",
1967 FLG_ORCONSTRAINT,
1968 "use limited OR expressions to resolve constraints",
1969 NULL,
28bf4b0b 1970 0, 0
1971 },
bb7c2085 1972
28bf4b0b 1973 {
9276a168 1974 FK_BOUNDS, FK_MEMORY, plainFlag,
bb7c2085 1975 "nullterminated",
1976 FLG_NULLTERMINATEDWARNING,
1977 "misuse of nullterminated allocation",
1978 "A user annotated non-nullterminated buffer is used/referenced as a nullterminated one.",
28bf4b0b 1979 0, 0
1980 },
bb7c2085 1981
28bf4b0b 1982 {
9276a168 1983 FK_BOUNDS, FK_DISPLAY, plainFlag,
bb7c2085 1984 "showconstraintparens",
1985 FLG_PARENCONSTRAINT,
1986 "display parentheses around constraint terms",
1987 NULL,
28bf4b0b 1988 0, 0
bb7c2085 1989 },
9276a168 1990 /*drl added 2/4/2002*/
1991 {
1992 FK_BOUNDS, FK_DISPLAY, plainFlag,
1993 "boundscompacterrormessages",
1994 FLG_BOUNDSCOMPACTERRORMESSAGES,
1995 "Display fewer new lines in bounds checking error messages",
1996 NULL,
1997 0, 0
1998 },
28bf4b0b 1999 {
9276a168 2000 FK_BOUNDS, FK_DISPLAY, plainFlag,
bb7c2085 2001 "showconstraintlocation",
2002 FLG_CONSTRAINTLOCATION,
2003 "display location for every constraint generated",
2004 NULL,
28bf4b0b 2005 0, 0
bb7c2085 2006 }, /*drl added flag 4/26/01*/
2007
2008 /*
2009 ** 10. Extensible Checking
2010 */
2011
28bf4b0b 2012 {
bb7c2085 2013 FK_EXTENSIBLE, FK_FILES, globalStringFlag, ARG_FILE,
2014 "mts",
2015 FLG_MTSFILE,
2016 "load meta state declaration and corresponding xh file",
2017 NULL, 0, 0
28bf4b0b 2018 },
2019 {
bb7c2085 2020 FK_EXTENSIBLE, FK_MEMORY, modeFlag,
2021 "statetransfer",
2022 FLG_STATETRANSFER,
2023 "storage has been transfered with invalid state",
2024 "Transfer violates user-defined state rules.",
28bf4b0b 2025 0, 0
2026 },
2027 {
bb7c2085 2028 FK_EXTENSIBLE, FK_MEMORY, modeFlag,
2029 "statemerge",
2030 FLG_STATEMERGE,
2031 "control paths merge with storage in incompatible states",
2032 "Control path merge violates user-defined state merge rules.",
28bf4b0b 2033 0, 0
2034 },
bb7c2085 2035
2036 /*
2037 ** 11. Macros
2038 */
2039
28bf4b0b 2040 {
2041 FK_MACROS, FK_NONE, modeFlag,
2042 "macroredef",
2043 FLG_MACROREDEF,
2044 "macro redefined",
2045 "A macro is defined in more than one place.", 0, 0
2046 },
2047 {
2048 FK_MACROS, FK_UNRECOG, modeFlag,
2049 "macrounrecog",
2050 FLG_MACROUNDEF,
2051 "unrecognized identifier in macro",
2052 "An unrecognized identifier appears in a macro. If the identifier "
2053 "is defined before the macro is used, then this is okay.",
2054 0, 0
2055 },
bb7c2085 2056
2057 /* 11.1 Constant Macros */
2058
28bf4b0b 2059 {
bb7c2085 2060 FK_MACROS, FK_PROTOS, modeFlag,
2061 "macroconstdecl",
2062 FLG_MACROCONSTDECL,
2063 "non-parameterized macro without prototype or specification",
2064 "Macro constant has no declaration. Use /*@constant ...@*/ to "
2065 "declare the macro.",
28bf4b0b 2066 0, 0
2067 },
bb7c2085 2068
2069 /* 11.2 Function-like Macros */
2070
28bf4b0b 2071 {
bb7c2085 2072 FK_MACROS, FK_NONE, modeFlag,
2073 "macrostmt",
2074 FLG_MACROSTMT,
2075 "macro definition is syntactically not equivalent to function",
2076 "A macro is defined in a way that may cause syntactic problems. "
2077 "If the macro returns a value, use commas to separate expressions; "
2078 "otherwise, use do { <macro body> } while (FALSE) construct.",
28bf4b0b 2079 0, 0
2080 },
2081 {
bb7c2085 2082 FK_MACROS, FK_NONE, modeFlag,
2083 "macroempty",
2084 FLG_MACROEMPTY,
2085 "macro definition for is empty",
2086 "A macro definition has no body.",
28bf4b0b 2087 0, 0
2088 },
2089 {
bb7c2085 2090 FK_MACROS, FK_PARAMS, modeFlag,
2091 "macroparams",
2092 FLG_MACROPARAMS,
2093 "macro parameter not used exactly once",
2094 "A macro parameter is not used exactly once in all possible "
2095 "invocations of the macro. To behave like a function, "
2096 "each macro parameter must be used exactly once on all "
2097 "invocations of the macro so that parameters with "
2098 "side-effects are evaluated exactly once. Use /*@sef@*/ to "
2099 "denote parameters that must be side-effect free.",
28bf4b0b 2100 0, 0
2101 },
2102 {
bb7c2085 2103 FK_MACROS, FK_CONTROL, modeFlag,
2104 "macroreturn",
2105 FLG_MACRORETURN,
2106 "return statement in macro body",
2107 "The body of a macro declared as a function uses a return statement. "
2108 "This exhibits behavior that "
2109 "could not be implemented by a function.",
28bf4b0b 2110 0, 0
2111 },
2112 {
bb7c2085 2113 FK_MACROS, FK_PARAMS, modeFlag,
2114 "macroassign",
2115 FLG_MACROASSIGN,
2116 "assignment to a macro parameter",
2117 "A macro parameter is used as the left side of an "
2118 "assignment expression. This exhibits behavior that "
2119 "could not be implemented by a function.",
28bf4b0b 2120 0, 0
2121 },
2122 {
bb7c2085 2123 FK_MACROS, FK_NONE, modeFlag,
2124 "macroparens",
2125 FLG_MACROPARENS,
2126 "macro parameter used without parentheses (in potentially dangerous context)",
2127 "A macro parameter is used without parentheses. This could be "
2128 "dangerous if the macro is invoked with a complex expression "
2129 "and precedence rules will change the evaluation inside the macro.",
28bf4b0b 2130 0, 0
2131 },
2132 {
bb7c2085 2133 FK_MACROS, FK_PROTOS, modeFlag,
2134 "macrodecl",
2135 FLG_MACRODECL,
2136 "macro without prototype or specification (sets macrofcndecl and macroconstdecl)",
2137 "Argument checking cannot be done well for macros without prototypes "
2138 "or specifications, since the types of the arguments are unknown.",
2139 0, 0
28bf4b0b 2140 },
2141 {
bb7c2085 2142 FK_MACROS, FK_PROTOS, modeFlag,
2143 "macrofcndecl",
2144 FLG_MACROFCNDECL,
2145 "parameterized macro without prototype or specification",
2146 "Function macro has no declaration.",
2147 0, 0
28bf4b0b 2148 },
bb7c2085 2149
2150 /* 11.2.1 Side Effect Free Parameters */
2151
28bf4b0b 2152 {
bb7c2085 2153 FK_MACROS, FK_PARAMS, modeFlag,
2154 "sefparams",
2155 FLG_SEFPARAMS,
2156 "a parameter with side-effects is passed as a sef parameter",
2157 "An actual parameter corresponding to a sef parameter may have a side-effect.",
2158 0, 0
2159 },
28bf4b0b 2160 {
bb7c2085 2161 FK_MACROS, FK_PARAMS, modeFlag,
2162 "sefuncon",
2163 FLG_SEFUNSPEC,
2164 "a parameter with unconstrained side-effects is passed as a sef parameter",
2165 "An actual parameter corresponding to a sef parameter involves a call "
2166 "to a procedure with no modifies clause that may have a side-effect.",
2167 0, 0
28bf4b0b 2168 },
bb7c2085 2169
2170 /* 11.3 Controlling Macro Checking */
2171
28bf4b0b 2172 {
bb7c2085 2173 FK_MACROS, FK_NONE, plainFlag,
2174 "constmacros",
2175 FLG_CONSTMACROS,
2176 "check all macros without parameter lists as constants",
2177 "Every non-parameterized macro (not preceded by /*@notfunction@*/) "
2178 "is checked as a constant.",
2179 0, 0
28bf4b0b 2180 },
2181 {
bb7c2085 2182 FK_MACROS, FK_NONE, plainFlag,
2183 "fcnmacros",
2184 FLG_FCNMACROS,
2185 "check all macros with parameter lists as functions",
2186 "Every parameterized macro (not preceded by /*@notfunction@*/) "
2187 "is checked as a function.",
2188 0, 0
28bf4b0b 2189 },
2190 {
bb7c2085 2191 FK_MACROS, FK_NONE, plainSpecialFlag,
2192 "allmacros",
2193 FLG_ALLMACROS,
2194 "sets fcnmacros and constmacros",
2195 "All macros (not preceded by /*@notfunction@*/) are checked as functions or "
2196 "constants depending on whether or not they have parameter lists.",
2197 0, 0
28bf4b0b 2198 },
2199 {
bb7c2085 2200 FK_MACROS, FK_NONE, plainFlag,
2201 "libmacros",
2202 FLG_LIBMACROS,
2203 "check all macros with declarations in library as functions",
2204 "Every macro declared in the load library is checked.",
2205 0, 0
28bf4b0b 2206 },
2207 {
bb7c2085 2208 FK_MACROS, FK_NONE, plainFlag,
2209 "specmacros",
2210 FLG_SPECMACROS,
2211 "check all macros corresponding to specified functions or constants",
2212 "Every macro declared a specification file is checked.",
2213 0, 0
28bf4b0b 2214 },
2215 {
bb7c2085 2216 FK_MACROS, FK_NONE, modeFlag,
2217 "macromatchname",
2218 FLG_MACROMATCHNAME,
2219 "macro definition does not match iter or constant declaration",
2220 "A iter or constant macro is defined using a different name from the "
2221 "one used in the previous syntactic comment",
28bf4b0b 2222 0, 0
2223 },
2224 {
bb7c2085 2225 FK_MACROS, FK_NONE, plainFlag,
2226 "nextlinemacros",
2227 FLG_MACRONEXTLINE,
2228 "the line after a constant or iter declaration must be a macro definition",
2229 "A constant or iter declaration is not immediately followed by a macro definition.",
28bf4b0b 2230 0, 0
2231 },
bb7c2085 2232
2233 /* 11.4 Iterators */
2234
28bf4b0b 2235 {
bb7c2085 2236 FK_ITER, FK_NONE, plainFlag,
2237 "iterbalance",
2238 FLG_ITERBALANCE,
2239 "iter is not balanced with end_<iter>",
28bf4b0b 2240 NULL,
2e127cb8 2241 0, 0
2242 },
2243 {
bb7c2085 2244 FK_ITER, FK_NONE, plainFlag,
2245 "iteryield",
2246 FLG_ITERYIELD,
2247 "iter yield parameter is inappropriate",
2248 NULL,
28bf4b0b 2249 0, 0
2250 },
2e127cb8 2251 {
bb7c2085 2252 FK_ITER, FK_NONE, plainFlag,
2253 "hasyield",
2254 FLG_HASYIELD,
2255 "iter declaration has no yield parameters",
2256 "An iterator has been declared with no parameters annotated with "
2257 "yield. This may be what you want, if the iterator is meant "
2258 "to do something a fixed number of times, but returns no "
2259 "information to the calling context. Probably, a parameter "
2260 "is missing the yield annotation to indicate that it is "
2261 "assigned a value in the calling context.",
2e127cb8 2262 0, 0
2263 },
bb7c2085 2264
2265 /*
2266 ** 12. Naming Conventions
2267 */
2268
28bf4b0b 2269 {
bb7c2085 2270 FK_NAMES, FK_ABSTRACT, plainFlag,
2271 "namechecks",
2272 FLG_NAMECHECKS,
2273 "controls name checking without changing other settings",
2274 NULL, 0, 0
28bf4b0b 2275 },
bb7c2085 2276
2277 /* 12.1.1 Czech Names */
2278
28bf4b0b 2279 {
bb7c2085 2280 FK_NAMES, FK_ABSTRACT, specialFlag,
2281 "czech",
2282 FLG_CZECH,
2283 "czech naming convention (sets accessczech, czechfunctions, czechvars, "
2284 "czechconstants, czechenums, and czechmacros)",
2285 "Name is not consistent with Czech naming convention.", 0, 0
28bf4b0b 2286 },
2287 {
bb7c2085 2288 FK_NAMES, FK_ABSTRACT, plainFlag,
2289 "czechfcns",
2290 FLG_CZECHFUNCTIONS,
2291 "czech naming convention violated in a function or iterator declaration",
2292 "Function or iterator name is not consistent with Czech naming convention.", 0, 0
28bf4b0b 2293 },
2294 {
bb7c2085 2295 FK_NAMES, FK_ABSTRACT, plainFlag,
2296 "czechvars",
2297 FLG_CZECHVARS,
2298 "czech naming convention violated in a variable declaration",
2299 "Variable name is not consistent with Czech naming convention.", 0, 0
28bf4b0b 2300 },
2301 {
bb7c2085 2302 FK_NAMES, FK_ABSTRACT, plainFlag,
2303 "czechmacros",
2304 FLG_CZECHMACROS,
2305 "czech naming convention violated in an expanded macro name",
2306 "Expanded macro name is not consistent with Czech naming convention.", 0, 0
28bf4b0b 2307 },
2308 {
bb7c2085 2309 FK_NAMES, FK_ABSTRACT, plainFlag,
2310 "czechconsts",
2311 FLG_CZECHCONSTANTS,
2312 "czech naming convention violated in a constant declaration",
2313 "Constant name is not consistent with Czech naming convention.", 0, 0
28bf4b0b 2314 },
2315 {
bb7c2085 2316 FK_NAMES, FK_ABSTRACT, plainFlag,
2317 "czechtypes",
2318 FLG_CZECHTYPES,
2319 "czech naming convention violated in a user-defined type definition",
2320 "Type name is not consistent with Czech naming convention. Czech type "
2321 "names must not use the underscore character.", 0, 0
28bf4b0b 2322 },
bb7c2085 2323
2324 /* 12.1.2 Slovak Names */
2325
28bf4b0b 2326 {
bb7c2085 2327 FK_NAMES, FK_ABSTRACT, specialFlag,
2328 "slovak",
2329 FLG_SLOVAK,
2330 "slovak naming convention violated",
2331 "Name is not consistent with Slovak naming convention.", 0, 0
28bf4b0b 2332 },
2333 {
bb7c2085 2334 FK_NAMES, FK_ABSTRACT, plainFlag,
2335 "slovakfcns",
2336 FLG_SLOVAKFUNCTIONS,
2337 "slovak naming convention violated in a function or iterator declaration",
2338 "Function or iterator name is not consistent with Slovak naming convention.", 0, 0
28bf4b0b 2339 },
2340 {
bb7c2085 2341 FK_NAMES, FK_ABSTRACT, plainFlag,
2342 "slovakmacros",
2343 FLG_SLOVAKMACROS,
2344 "slovak naming convention violated in an expanded macro name",
2345 "Expanded macro name is not consistent with Slovak naming convention.", 0, 0
28bf4b0b 2346 },
2347 {
bb7c2085 2348 FK_NAMES, FK_ABSTRACT, plainFlag,
2349 "slovakvars",
2350 FLG_SLOVAKVARS,
2351 "slovak naming convention violated in a variable declaration",
2352 "Variable name is not consistent with Slovak naming convention.", 0, 0
28bf4b0b 2353 },
2354 {
bb7c2085 2355 FK_NAMES, FK_ABSTRACT, plainFlag,
2356 "slovakconsts",
2357 FLG_SLOVAKCONSTANTS,
2358 "slovak naming convention violated in a constant declaration",
2359 "Constant name is not consistent with Slovak naming convention.", 0, 0
28bf4b0b 2360 },
2361 {
bb7c2085 2362 FK_NAMES, FK_ABSTRACT, plainFlag,
2363 "slovaktypes",
2364 FLG_SLOVAKTYPES,
2365 "slovak naming convention violated in a use-defined type definition",
2366 "Type name is not consistent with Slovak naming convention. Slovak type "
2367 "names may not include uppercase letters.", 0, 0
28bf4b0b 2368 },
bb7c2085 2369
2370 /* 12.1.3 Czechoslovak Names */
28bf4b0b 2371 {
bb7c2085 2372 FK_NAMES, FK_ABSTRACT, specialFlag,
2373 "czechoslovak",
2374 FLG_CZECHOSLOVAK,
2375 "czech or slovak naming convention violated",
2376 "Name is not consistent with either Czech or Slovak naming convention.", 0, 0
28bf4b0b 2377 },
2378 {
bb7c2085 2379 FK_NAMES, FK_ABSTRACT, plainFlag,
2380 "czechoslovakfcns",
2381 FLG_CZECHOSLOVAKFUNCTIONS,
2382 "czechoslovak naming convention violated in a function or iterator declaration",
2383 "Function name is not consistent with Czechoslovak naming convention.", 0, 0
28bf4b0b 2384 },
2385 {
bb7c2085 2386 FK_NAMES, FK_ABSTRACT, plainFlag,
2387 "czechoslovakmacros",
2388 FLG_CZECHOSLOVAKMACROS,
2389 "czechoslovak naming convention violated in an expanded macro name",
2390 "Expanded macro name is not consistent with Czechoslovak naming convention.", 0, 0
28bf4b0b 2391 },
2392 {
bb7c2085 2393 FK_NAMES, FK_ABSTRACT, plainFlag,
2394 "czechoslovakvars",
2395 FLG_CZECHOSLOVAKVARS,
2396 "czechoslovak naming convention violated in a variable declaration",
2397 "Variable name is not consistent with Czechoslovak naming convention.", 0, 0
28bf4b0b 2398 },
2399 {
bb7c2085 2400 FK_NAMES, FK_ABSTRACT, plainFlag,
2401 "czechoslovakconsts",
2402 FLG_CZECHOSLOVAKCONSTANTS,
2403 "czechoslovak naming convention violated in a constant declaration",
2404 "Constant name is not consistent with Czechoslovak naming convention.", 0, 0
28bf4b0b 2405 },
2406 {
bb7c2085 2407 FK_NAMES, FK_ABSTRACT, plainFlag,
2408 "czechoslovaktypes",
2409 FLG_CZECHOSLOVAKTYPES,
2410 "czechoslovak naming convention violated in a user-defined type definition",
2411 "Type name is not consistent with Czechoslovak naming convention. Czechoslovak "
2412 "type names may not include uppercase letters or the underscore character.", 0, 0
28bf4b0b 2413 },
bb7c2085 2414
2415 /* 12.2 Namespace Prefixes */
2416
28bf4b0b 2417 {
bb7c2085 2418 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2419 "macrovarprefix",
2420 FLG_MACROVARPREFIX,
2421 "set namespace prefix for variables declared in a macro body",
2422 "A variable declared in a macro body does not start with the macrovarprefix.",
28bf4b0b 2423 0, 0
bb7c2085 2424 } ,
28bf4b0b 2425 {
bb7c2085 2426 FK_NAMES, FK_PREFIX, plainFlag,
2427 "macrovarprefixexclude",
2428 FLG_MACROVARPREFIXEXCLUDE,
2429 "the macrovarprefix may not be used for non-macro variables",
2430 "A variable declared outside a macro body starts with the macrovarprefix.",
2431 0, 0
2432 } ,
28bf4b0b 2433 {
bb7c2085 2434 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2435 "tagprefix",
2436 FLG_TAGPREFIX,
2437 "set namespace prefix for struct, union and enum tags",
2438 "A tag identifier does not start with the tagprefix.",
28bf4b0b 2439 0, 0
bb7c2085 2440 } ,
28bf4b0b 2441 {
bb7c2085 2442 FK_NAMES, FK_PREFIX, plainFlag,
2443 "tagprefixexclude",
2444 FLG_TAGPREFIXEXCLUDE,
2445 "the tagprefix may not be used for non-tag identifiers",
2446 "An identifier that is not a tag starts with the tagprefix.",
2447 0, 0
2448 } ,
28bf4b0b 2449 {
bb7c2085 2450 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2451 "enumprefix",
2452 FLG_ENUMPREFIX,
2453 "set namespace prefix for enum members",
2454 "An enum member does not start with the enumprefix.",
28bf4b0b 2455 0, 0
bb7c2085 2456 } ,
28bf4b0b 2457 {
bb7c2085 2458 FK_NAMES, FK_PREFIX, plainFlag,
2459 "enumprefixexclude",
2460 FLG_ENUMPREFIXEXCLUDE,
2461 "the enumprefix may not be used for non-enum member identifiers",
2462 "An identifier that is not an enum member starts with the enumprefix.",
2463 0, 0
2464 } ,
28bf4b0b 2465 {
bb7c2085 2466 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2467 "filestaticprefix",
2468 FLG_FILESTATICPREFIX,
2469 "set namespace prefix for file static declarations",
2470 "A file-static identifier does not start with the filestaticprefix.",
28bf4b0b 2471 0, 0
bb7c2085 2472 } ,
28bf4b0b 2473 {
bb7c2085 2474 FK_NAMES, FK_PREFIX, plainFlag,
2475 "filestaticprefixexclude",
2476 FLG_FILESTATICPREFIXEXCLUDE,
2477 "the filestaticprefix may not be used for identifiers that are not file static",
2478 "An identifier that is not file static starts with the filestaticprefix.",
2479 0, 0
2480 } ,
28bf4b0b 2481 {
bb7c2085 2482 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2483 "globalprefix",
2484 FLG_GLOBPREFIX,
2485 "set namespace prefix for global variables",
2486 "A global variable does not start with the globalprefix",
28bf4b0b 2487 0, 0
bb7c2085 2488 } ,
28bf4b0b 2489 {
bb7c2085 2490 FK_NAMES, FK_PREFIX, plainFlag,
2491 "globalprefixexclude",
2492 FLG_GLOBPREFIXEXCLUDE,
2493 "the globalprefix may not be used for non-global identifiers",
2494 "An identifier that is not a global variable starts with the globalprefix.",
2495 0, 0
2496 } ,
28bf4b0b 2497 {
bb7c2085 2498 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2499 "typeprefix",
2500 FLG_TYPEPREFIX,
2501 "set namespace prefix for user-defined types",
2502 "A user-defined type does not start with the typeprefix",
28bf4b0b 2503 0, 0
bb7c2085 2504 } ,
28bf4b0b 2505 {
bb7c2085 2506 FK_NAMES, FK_PREFIX, plainFlag,
2507 "typeprefixexclude",
2508 FLG_TYPEPREFIXEXCLUDE,
2509 "the typeprefix may not be used for identifiers that are not type names",
2510 "An identifier that is not a type name starts with the typeprefix.",
2511 0, 0
2512 } ,
28bf4b0b 2513 {
bb7c2085 2514 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2515 "externalprefix",
2516 FLG_EXTERNALPREFIX,
2517 "set namespace prefix for external identifiers",
2518 "An external identifier does not start with the externalprefix",
28bf4b0b 2519 0, 0
bb7c2085 2520 } ,
28bf4b0b 2521 {
bb7c2085 2522 FK_NAMES, FK_PREFIX, plainFlag,
2523 "externalprefixexclude",
2524 FLG_EXTERNALPREFIXEXCLUDE,
2525 "the externalprefix may not be used for non-external identifiers",
2526 "An identifier that is not external starts with the externalprefix.",
2527 0, 0
2528 } ,
28bf4b0b 2529 {
bb7c2085 2530 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2531 "localprefix",
2532 FLG_LOCALPREFIX,
2533 "set namespace prefix for local variables",
2534 "A local variable does not start with the localprefix",
28bf4b0b 2535 0, 0
bb7c2085 2536 } ,
28bf4b0b 2537 {
bb7c2085 2538 FK_NAMES, FK_PREFIX, plainFlag,
2539 "localprefixexclude",
2540 FLG_LOCALPREFIXEXCLUDE,
2541 "the localprefix may not be used for non-local identifiers",
2542 "An identifier that is not a local variable starts with the localprefix.",
2543 0, 0
2544 } ,
28bf4b0b 2545 {
bb7c2085 2546 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2547 "uncheckedmacroprefix",
2548 FLG_UNCHECKEDMACROPREFIX,
2549 "set namespace prefix for unchecked macros",
2550 "An unchecked macro name does not start with the uncheckedmacroprefix",
28bf4b0b 2551 0, 0
bb7c2085 2552 } ,
28bf4b0b 2553 {
bb7c2085 2554 FK_NAMES, FK_PREFIX, plainFlag,
2555 "uncheckedmacroprefixexclude",
2556 FLG_UNCHECKEDMACROPREFIXEXCLUDE,
2557 "the uncheckmacroprefix may not be used for identifiers that are not "
2558 "unchecked macros",
2559 "An identifier that is not the name of an unchecked macro "
2560 "starts with the uncheckedmacroprefix.",
2561 0, 0
2562 } ,
28bf4b0b 2563 {
bb7c2085 2564 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2565 "constprefix",
2566 FLG_CONSTPREFIX,
2567 "set namespace prefix for constants",
2568 "A constant does not start with the constantprefix",
2569 0, 0
2570 } ,
28bf4b0b 2571 {
bb7c2085 2572 FK_NAMES, FK_PREFIX, plainFlag,
2573 "constprefixexclude",
2574 FLG_CONSTPREFIXEXCLUDE,
2575 "the constprefix may not be used for non-constant identifiers",
2576 "An identifier that is not a constant starts with the constantprefix.",
2577 0, 0
2578 } ,
28bf4b0b 2579 {
bb7c2085 2580 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2581 "iterprefix",
2582 FLG_ITERPREFIX,
2583 "set namespace prefix for iterators",
2584 "An iter does not start with the iterator prefix",
2585 0, 0
2586 } ,
28bf4b0b 2587 {
bb7c2085 2588 FK_NAMES, FK_PREFIX, plainFlag,
2589 "iterprefixexclude",
2590 FLG_ITERPREFIXEXCLUDE,
2591 "the iterprefix may not be used for non-iter identifiers",
2592 "An identifier that is not a iter starts with the iterprefix.",
2593 0, 0
2594 } ,
28bf4b0b 2595 {
bb7c2085 2596 FK_NAMES, FK_PREFIX, idemStringFlag, ARG_STRING,
2597 "protoparamprefix",
2598 FLG_DECLPARAMPREFIX,
2599 "set namespace prefix for parameters in function prototype declarations",
2600 "A parameter name in a function prototype declaration does not start with the "
2601 "declaration parameter prefix",
2602 0, 0
2603 } ,
2604
2605 /* 12.3 Naming Restrictions */
28bf4b0b 2606 {
2607 FK_NAMES, FK_ANSI, modeFlag,
27c9e640 2608 "isoreserved",
abd7f895 2609 FLG_ISORESERVED,
28bf4b0b 2610 "external name conflicts with name reserved for system or standard library",
27c9e640 2611 "External name is reserved for system use by ISO C99 standard.",
28bf4b0b 2612 0, 0
2613 },
2614 {
2615 FK_NAMES, FK_ANSI, modeFlag,
2616 "cppnames",
2617 FLG_CPPNAMES,
2618 "external or internal name is a C++ keyword or reserved word",
2619 "External name is a C++ keyword or reserved word. "
2620 "This could lead to problems if the "
2621 "code is compiled with a C++ compiler.",
2622 0, 0
2623 },
2624 {
2625 FK_NAMES, FK_ANSI, modeFlag,
27c9e640 2626 "isoreservedinternal",
abd7f895 2627 FLG_ISORESERVEDLOCAL,
28bf4b0b 2628 "internal name conflicts with name reserved for system or standard library",
27c9e640 2629 "Internal name is reserved for system in ISO C99 standard (this should not be necessary unless you are worried about C library implementations that violate the standard and use macros).",
28bf4b0b 2630 0, 0
2631 },
2632 {
2633 FK_NAMES, FK_ANSI, plainFlag,
2634 "distinctexternalnames",
2635 FLG_DISTINCTEXTERNALNAMES,
2636 "external name is not distinguishable from another external name using "
2637 "the number of significant characters",
2638 "An external name is not distinguishable from another external name "
2639 "using the number of significant characters. According to "
2640 "ANSI Standard (3.1), an implementation may only consider the first 6 "
2641 "characters significant, and ignore alphabetical case "
27c9e640 2642 "distinctions (ISO C99 requires 31). The "
28bf4b0b 2643 "+externalnamelen <n> flag may be used to change the number "
2644 "of significant characters, and -externalnamecaseinsensitive to make "
2645 "alphabetical case significant in external names.",
2646 0, 0
2647 },
2648 {
2649 FK_NAMES, FK_ANSI, specialValueFlag,
2650 "externalnamelen",
2651 FLG_EXTERNALNAMELEN,
2652 "set the number of significant characters in an external name",
27c9e640 2653 "Sets the number of significant characters in an external name (default is 6 for old "
2654 "ANSI89 limit, C99 requires 31). "
2655 "Sets +distinctexternalnames.",
28bf4b0b 2656 0, 0
2657 },
2658 {
2659 FK_NAMES, FK_ANSI, plainSpecialFlag,
2660 "externalnamecaseinsensitive",
2661 FLG_EXTERNALNAMECASEINSENSITIVE,
2662 "alphabetic comparisons for external names are case-insensitive",
27c9e640 2663 "Make alphabetic case insignificant in external names. By ANSI89 "
28bf4b0b 2664 "standard, case need not be significant in an external name. "
2665 "If +distinctexternalnames is not set, sets "
2666 "+distinctexternalnames with unlimited external name length.",
2667 0, 0
2668 },
2669 {
2670 FK_NAMES, FK_ANSI, plainFlag,
2671 "distinctinternalnames",
2672 FLG_DISTINCTINTERNALNAMES,
2673 "internal name is not distinguishable from another internal name using "
2674 "the number of significant characters",
2675 "An internal name is not distinguishable from another internal name "
2676 "using the number of significant characters. According to "
27c9e640 2677 "ANSI89 Standard (3.1), an implementation may only consider the first 31 "
2678 "characters significant (ISO C99 specified 63). The "
28bf4b0b 2679 "+internalnamelen <n> flag changes the number "
2680 "of significant characters, -internalnamecaseinsensitive to makes "
2681 "alphabetical case significant, and "
2682 "+internalnamelookalike to make similar-looking characters "
2683 "non-distinct.",
2684 0, 0
2685 },
2686 {
2687 FK_NAMES, FK_ANSI, specialValueFlag,
2688 "internalnamelen",
2689 FLG_INTERNALNAMELEN,
2690 "set the number of significant characters in an internal name",
27c9e640 2691 "Sets the number of significant characters in an internal name (ANSI89 "
28bf4b0b 2692 "default is 31.) Sets +distinctinternalnames.",
2693 0, 0
2694 },
2695 {
2696 FK_NAMES, FK_ANSI, plainSpecialFlag,
2697 "internalnamecaseinsensitive",
2698 FLG_INTERNALNAMECASEINSENSITIVE,
2699 "set whether case is significant an internal names "
2700 "(-internalnamecaseinsensitive means case is significant)" ,
2701 "Set whether case is significant an internal names "
2702 "(-internalnamecaseinsensitive "
27c9e640 2703 "means case is significant). By ANSI89 default, case is not "
28bf4b0b 2704 "significant. If +distinctinternalnames is not set, sets "
2705 "+distinctinternalnames with unlimited internal name length.",
2706 0, 0
2707 },
2708 {
2709 FK_NAMES, FK_ANSI, plainSpecialFlag,
2710 "internalnamelookalike",
2711 FLG_INTERNALNAMELOOKALIKE,
2712 "lookalike characters match in internal names",
2713 "Set whether similar looking characters (e.g., \"1\" and \"l\") "
2714 "match in internal names.",
2715 0, 0
2716 },
2717 {
bb7c2085 2718 FK_NAMES, FK_PREFIX, modeFlag,
2719 "protoparamname",
2720 FLG_DECLPARAMNAME,
2721 "a parameter in a function prototype has a name",
2722 "A parameter in a function prototype has a name. This is dangerous, "
2723 "since a macro definition could be visible here.",
28bf4b0b 2724 0, 0
2725 } ,
2726 {
bb7c2085 2727 FK_NAMES, FK_PREFIX, modeFlag,
2728 "protoparammatch",
2729 FLG_DECLPARAMMATCH,
2730 "the name of a parameter in a function prototype and corresponding "
2731 "declaration must match (after removing the protoparamprefix",
2732 "A parameter in a function definition does not have the same name as "
2733 "the corresponding in the declaration of the function after "
2734 "removing the protoparamprefix",
2735 0, 0
2736 } ,
28bf4b0b 2737 {
2738 FK_NAMES, FK_PREFIX, plainFlag,
bb7c2085 2739 "protoparamprefixexclude",
2740 FLG_DECLPARAMPREFIXEXCLUDE,
2741 "the protoparamprefix may not be used for non-declaraction parameter identifiers",
2742 "An identifier that is not a parameter name in a function prototype "
2743 "starts with the protoparamprefix.",
28bf4b0b 2744 0, 0
2745 } ,
bb7c2085 2746
2747 /*
2748 ** 13. Completeness
2749 */
2750
2751 /* 13.1 Unused Declarations */
2752
28bf4b0b 2753 {
bb7c2085 2754 FK_USE, FK_COMPLETE, modeFlag,
2755 "topuse",
2756 FLG_TOPUNUSED,
2757 "declaration at top level not used",
2758 "An external declaration not used in any source file.", 0, 0
2759 },
2760 {
2761 FK_USE, FK_EXPORT, modeFlag,
2762 "exportlocal",
2763 FLG_EXPORTLOCAL,
2764 "a declaration is exported but not used outside this module",
2765 "A declaration is exported, but not used outside this module. "
2766 "Declaration can use static qualifier.",
28bf4b0b 2767 0, 0
bb7c2085 2768 },
28bf4b0b 2769 {
bb7c2085 2770 FK_USE, FK_EXPORT, modeFlag,
2771 "exportheader",
2772 FLG_EXPORTHEADER,
2773 "a declaration is exported but does not appear in a header file",
2774 "A declaration is exported, but does not appear in a header file.",
2775 0, 0
2776 },
28bf4b0b 2777 {
bb7c2085 2778 FK_USE, FK_EXPORT, modeFlag,
2779 "exportheadervar",
2780 FLG_EXPORTHEADERVAR,
2781 "a variable declaration is exported but does not appear in a header file",
2782 "A variable declaration is exported, but does not appear in a header "
2783 "file. (Used with exportheader.)",
28bf4b0b 2784 0, 0
bb7c2085 2785 },
28bf4b0b 2786 {
bb7c2085 2787 FK_USE, FK_NONE, modeFlag,
2788 "fielduse",
2789 FLG_FIELDUNUSED,
2790 "field of structure type not used",
2791 "A field is present in a structure type but never used. Use /*@unused@*/ in front of field declaration to suppress message.",
2792 0, 0
2793 },
28bf4b0b 2794 {
bb7c2085 2795 FK_USE, FK_NONE, modeFlag,
2796 "enummemuse",
2797 FLG_ENUMMEMUNUSED,
2798 "member of an enum type not used",
2799 "A member of an enum type is never used.",
28bf4b0b 2800 0, 0
bb7c2085 2801 },
28bf4b0b 2802 {
bb7c2085 2803 FK_USE, FK_NONE, modeFlag,
2804 "constuse",
2805 FLG_CONSTUNUSED,
2806 "constant declared but not used",
2807 "A constant is declared but not used. Use unused in the constant declaration to suppress message.",
2808 0, 0
2809 },
28bf4b0b 2810 {
bb7c2085 2811 FK_USE, FK_NONE, modeFlag,
2812 "fcnuse",
2813 FLG_FUNCUNUSED,
2814 "function declared but not used",
2815 "A function is declared but not used. Use /*@unused@*/ in front of function header to suppress message.",
28bf4b0b 2816 0, 0
bb7c2085 2817 },
28bf4b0b 2818 {
bb7c2085 2819 FK_USE, FK_PARAMS, modeFlag,
2820 "paramuse",
2821 FLG_PARAMUNUSED,
2822 "function parameter not used ",
2823 "A function parameter is not used in the body of the function. If the argument is needed for type compatibility or future plans, use /*@unused@*/ in the argument declaration.",
2824 0, 0
2825 },
28bf4b0b 2826 {
bb7c2085 2827 FK_USE, FK_TYPE, modeFlag,
2828 "typeuse",
2829 FLG_TYPEUNUSED,
2830 "type declared but not used",
2831 "A type is declared but not used. Use /*@unused@*/ in front of typedef to suppress messages.",
28bf4b0b 2832 0, 0
bb7c2085 2833 },
2834 {
2835 FK_USE, FK_NONE, modeFlag,
2836 "varuse",
2837 FLG_VARUNUSED,
2838 "variable declared but not used",
2839 "A variable is declared but never used. Use /*@unused@*/ in front "
2840 "of declaration to suppress message.",
2841 0, 0
2842 },
2843 {
2844 FK_USE, FK_COMPLETE, modeFlag,
2845 "unusedspecial",
2846 FLG_UNUSEDSPECIAL,
2847 "unused declaration in special file (corresponding to .l or .y file)",
2848 NULL, 0, 0
28bf4b0b 2849 } ,
bb7c2085 2850
2851 /* 13.2 Complete Programs */
2852
28bf4b0b 2853 {
bb7c2085 2854 FK_COMPLETE, FK_NONE, modeFlag,
2855 "declundef",
2856 FLG_DECLUNDEF,
2857 "function or variable declared but never defined",
2858 "A function or variable is declared, but not defined in any source code file.",
2859 0, 0
2860 },
28bf4b0b 2861 {
bb7c2085 2862 FK_COMPLETE, FK_SPEC, modeFlag,
2863 "specundef",
2864 FLG_SPECUNDEF,
2865 "function or variable specified but never defined",
2866 "A function or variable is declared in an .lcl file, but not defined in any source code file.",
28bf4b0b 2867 0, 0
bb7c2085 2868 },
28bf4b0b 2869 {
bb7c2085 2870 FK_COMPLETE, FK_SPEC, plainFlag,
2871 "specundecl",
2872 FLG_SPECUNDECL,
2873 "function or variable specified but never declared in a source file",
2874 "A function or variable is declared in an .lcl file, but not declared "
2875 "in any source code file.",
2876 0, 0
2877 },
28bf4b0b 2878 {
bb7c2085 2879 FK_DECL, FK_LIBS, plainFlag,
2880 "newdecl",
2881 FLG_NEWDECL,
2882 "report new global declarations in source files",
2883 "There is a new declaration that is not declared in a loaded library "
2884 "or earlier file. (Use this flag to check for consistency "
2885 "against a library.)",
28bf4b0b 2886 0, 0
bb7c2085 2887 },
28bf4b0b 2888 {
bb7c2085 2889 FK_INIT, FK_SPEC, plainFlag,
2890 "needspec",
2891 FLG_NEEDSPEC,
2892 "information in specifications is not also included in syntactic comments",
2893 "There is information in the specification that is not duplicated "
2894 "in syntactic comments. Normally, this is not an "
2895 "error, but it may be useful to detect it to make "
2896 "sure checking incomplete systems without the specifications will "
2897 "still use this information.",
2898 0, 0
2899 },
2900
2901 /*
2902 ** 14. Libraries and Header File Inclusion
2903 */
2904
2905 /* 14.1 Standard Libraries */
2906
28bf4b0b 2907 {
bb7c2085 2908 FK_LIBS, FK_INIT, idemGlobalFlag,
2909 "nolib",
2910 FLG_NOLIB,
2911 "do not load standard library",
2912 NULL, 0, 0
2913 },
2914 {
d5047b91 2915 FK_LIBS, FK_INIT, idemGlobalFlag,
bb7c2085 2916 "isolib",
2917 FLG_ANSILIB,
2918 "use normal standard library",
2919 "Library based on the ISO standard library specification is used.",
28bf4b0b 2920 0, 0
bb7c2085 2921 },
28bf4b0b 2922 {
d5047b91 2923 FK_LIBS, FK_INIT, idemGlobalFlag,
bb7c2085 2924 "strictlib",
2925 FLG_STRICTLIB,
2926 "interpret standard library strictly",
2927 "Stricter version of the standard library is used. (The default "
2928 "library is standard.lcd; strict library is strict.lcd.)",
2929 0, 0
2930 },
28bf4b0b 2931 {
d5047b91 2932 FK_LIBS, FK_INIT, idemGlobalFlag,
bb7c2085 2933 "unixlib",
2934 FLG_UNIXLIB,
2935 "use UNIX (sort-of) standard library",
2936 "UNIX version of the standard library is used.",
28bf4b0b 2937 0, 0
bb7c2085 2938 },
28bf4b0b 2939 {
d5047b91 2940 FK_LIBS, FK_INIT, idemGlobalFlag,
bb7c2085 2941 "unixstrictlib",
2942 FLG_UNIXSTRICTLIB,
2943 "use strict version of UNIX (sort-of) library",
2944 "strict version of the UNIX library is used.",
2945 0, 0
2946 },
28bf4b0b 2947 {
d5047b91 2948 FK_LIBS, FK_INIT, idemGlobalFlag,
bb7c2085 2949 "posixlib",
2950 FLG_POSIXLIB,
2951 "use POSIX standard library",
2952 "POSIX version of the standard library is used.",
28bf4b0b 2953 0, 0
bb7c2085 2954 },
28bf4b0b 2955 {
d5047b91 2956 FK_LIBS, FK_INIT, idemGlobalFlag,
bb7c2085 2957 "posixstrictlib",
2958 FLG_POSIXSTRICTLIB,
2959 "use strict POSIX standard library",
2960 "POSIX version of the strict standard library is used.",
2961 0, 0
2962 },
28bf4b0b 2963 {
d5047b91 2964 FK_LIBS, FK_INIT, idemGlobalFlag,
bb7c2085 2965 "whichlib",
2966 FLG_WHICHLIB,
2967 "show standard library filename",
2968 NULL, 0, 0
2969 },
28bf4b0b 2970 {
bb7c2085 2971 FK_LIBS, FK_ANSI, plainFlag,
2972 "warnposixheaders",
2973 FLG_WARNPOSIX,
2974 "a POSIX header is included, but the POSIX library is not used",
2975 "Header name matches a POSIX header, but the POSIX library is not selected.",
2976 0, 0
2977 },
28bf4b0b 2978 {
bb7c2085 2979 FK_LIBS, FK_ANSI, plainFlag,
2980 "warnunixlib",
2981 FLG_WARNUNIXLIB,
2982 "warn when the unix library is used",
2983 "Unix library may not be compatible with all platforms",
28bf4b0b 2984 0, 0
2985 },
2986 {
bb7c2085 2987 FK_LIBS, FK_ANSI, plainFlag,
2988 "usevarargs",
2989 FLG_USEVARARGS,
2990 "non-standard <varargs.h> included",
2991 "Header <varargs.h> is not part of ANSI Standard. "
2992 "Should use <stdarg.h> instead.",
28bf4b0b 2993 0, 0
2994 },
2cecdaff 2995 {
2996 FK_HEADERS, FK_FILES, plainFlag,
2997 "caseinsensitivefilenames",
2998 FLG_CASEINSENSITIVEFILENAMES,
2999 "file names are case insensitive (file.h and FILE.H are the same file)",
3000 NULL, 0, 0
3001 },
bb7c2085 3002
3003 /* 14.2 Generating Libraries */
3004
28bf4b0b 3005 {
bb7c2085 3006 FK_LIBS, FK_FILES, globalStringFlag, ARG_FILE,
3007 "dump",
3008 FLG_DUMP,
3009 "save state for merging (default suffix .lcd)",
3010 NULL, 0, 0
3011 },
3012 {
3013 FK_LIBS, FK_FILES, globalStringFlag, ARG_FILE,
3014 "load",
3015 FLG_MERGE,
3016 "load state from dump file (default suffix .lcd)",
3017 NULL, 0, 0
3018 },
3019
3020 /* 14.3 Header File Inclusion */
3021
3022 {
3023 FK_HEADERS, FK_SPEED, globalFlag,
3024 "singleinclude",
3025 FLG_SINGLEINCLUDE,
3026 "optimize header inclusion to eliminate redundant includes",
3027 "When checking multiple files, each header file is processed only "
3028 "once. This may change the meaning of the code, if the "
3029 "same header file is included in different contexts (e.g., the "
3030 "header file includes #if directives and the values are "
3031 "different when it is included in different places.)",
3032 0, 0
3033 },
3034 {
3035 FK_HEADERS, FK_SPEED, globalFlag,
3036 "neverinclude",
3037 FLG_NEVERINCLUDE,
3038 "optimize header inclusion to not include any header files",
3039 "Ignore header includes. Only works if relevant information is "
3040 "loaded from a library.",
3041 0, 0
3042 },
3043 {
3044 FK_HEADERS, FK_SPEED, globalFlag,
3045 "skipsysheaders",
3046 FLG_SKIPSYSHEADERS,
3047 "do not include header files in system directories (set by -sysdirs)",
3048 "Do not include header files in system directories (set by -sysdirs)",
3049 0, 0
3050 },
3051
3052 /*
3053 ** A. Operation?
3054 */
3055
3056
3057 /*
3058 ** Syntax
3059 */
3060
3061 {
3062 FK_SYNTAX, FK_ANSI, plainFlag,
3063 "gnuextensions",
3064 FLG_GNUEXTENSIONS,
3065 "support some gnu (gcc) language extensions",
3066 "ANSI C does not allow some language features supported by gcc and other compilers. "
3067 "Use +gnuextensions to allow some of these extensions.", 0, 0
3068 },
3069
3070 /* Prototypes */
3071
3072 {
3073 FK_PROTOS, FK_ANSI, modeFlag,
3074 "noparams",
3075 FLG_NOPARAMS,
3076 "function declaration has no parameter list",
3077 "A function declaration does not have a parameter list.",
3078 0, 0
3079 },
3080 {
3081 FK_PROTOS, FK_ANSI, modeFlag,
3082 "oldstyle",
3083 FLG_OLDSTYLE,
3084 "old style function definition",
3085 "Function definition is in old style syntax. Standard prototype "
3086 "syntax is preferred.",
3087 0, 0
3088 },
3089
3090
3091 /*
3092 ** System functions
3093 */
3094
3095 {
3096 FK_SYSTEMFUNCTIONS, FK_TYPE, plainFlag,
3097 "maintype",
3098 FLG_MAINTYPE,
3099 "type of main does not match expected type",
3100 "The function main does not match the expected type.",
28bf4b0b 3101 0, 0
3102 },
3103 {
bb7c2085 3104 FK_SYSTEMFUNCTIONS, FK_BEHAVIOR, modeFlag,
3105 "exitarg",
3106 FLG_EXITARG,
3107 "argument to exit has implementation defined behavior",
3108 "The argument to exit should be 0, EXIT_SUCCESS or EXIT_FAILURE",
28bf4b0b 3109 0, 0
3110 },
bb7c2085 3111
28bf4b0b 3112 {
bb7c2085 3113 FK_DECL, FK_NONE, modeFlag,
3114 "shadow",
3115 FLG_SHADOW,
3116 "declaration reuses name visible in outer scope",
3117 "An outer declaration is shadowed by the local declaration.",
28bf4b0b 3118 0, 0
3119 },
3120 {
bb7c2085 3121 FK_DECL, FK_LIBS, modeFlag,
3122 "incondefslib",
3123 FLG_INCONDEFSLIB,
3124 "function, variable or constant defined in a library is redefined with inconsistent type",
3125 "A function, variable or constant previously defined in a library is "
3126 "redefined with a different type.",
27c9e640 3127 0, 0
3128 },
3129 {
bb7c2085 3130 FK_DECL, FK_LIBS, modeFlag,
3131 "overload",
3132 FLG_WARNOVERLOAD,
3133 "library function overloaded",
3134 "A function, variable or constant defined in the library is redefined "
3135 "with a different type.",
28bf4b0b 3136 0, 0
3137 },
3138 {
bb7c2085 3139 FK_DECL, FK_NONE, modeFlag,
3140 "nestedextern",
3141 FLG_NESTEDEXTERN,
3142 "an extern declaration is inside a function scope",
3143 "An extern declaration is used inside a function scope.",
28bf4b0b 3144 0, 0
bb7c2085 3145 },
28bf4b0b 3146 {
bb7c2085 3147 FK_DECL, FK_NONE, modeFlag,
3148 "redecl",
3149 FLG_REDECL,
3150 "function or variable redeclared",
3151 "A function or variable is declared in more than one place. This is "
3152 "not necessarily a problem, since the declarations are consistent.",
28bf4b0b 3153 0, 0
bb7c2085 3154 },
28bf4b0b 3155 {
bb7c2085 3156 FK_DECL, FK_NONE, plainFlag,
3157 "redef",
3158 FLG_REDEF,
3159 "function or variable redefined",
3160 "A function or variable is redefined. One of the declarations should use extern.",
28bf4b0b 3161 0, 0
3162 },
3163 {
bb7c2085 3164 FK_DECL, FK_TYPE, modeFlag,
3165 "imptype",
3166 FLG_IMPTYPE,
3167 "variable declaration has unknown (implicitly int) type",
3168 "A variable declaration has no explicit type. The type is implicitly int.",
28bf4b0b 3169 0, 0
3170 },
bb7c2085 3171
28bf4b0b 3172 {
bb7c2085 3173 FK_DIRECT, FK_FILES, globalStringFlag, ARG_DIRECTORY,
3174 "tmpdir",
3175 FLG_TMPDIR,
3176 "set directory for writing temp files",
3177 NULL, 0, 0
28bf4b0b 3178 },
3179 {
bb7c2085 3180 FK_DIRECT, FK_FILES, globalStringFlag, ARG_PATH,
3181 "larchpath",
3182 FLG_LARCHPATH,
3183 "set path for searching for library files (overrides LARCH_PATH environment variable)",
3184 NULL, 0, 0
28bf4b0b 3185 },
28bf4b0b 3186 {
bb7c2085 3187 FK_DIRECT, FK_FILES, globalStringFlag, ARG_DIRECTORY,
3188 "lclimportdir",
3189 FLG_LCLIMPORTDIR,
3190 "set directory to search for LCL import files (overrides LCLIMPORTDIR)",
3191 NULL, 0, 0
28bf4b0b 3192 },
a779b61e 3193 {
bb7c2085 3194 FK_DIRECT, FK_FILES, globalStringFlag, ARG_PATH,
3195 "sysdirs",
3196 FLG_SYSTEMDIRS,
3197 "set directories for system files (default /usr/include). Separate "
3198 "directories with path separator (colons in Unix, semi-colons in Windows). "
3199 "Flag settings propagate to files in a system directory. If "
3200 "-sysdirerrors is set, no errors are reported for files in "
3201 "system directories.",
3202 NULL, 0, 0
a779b61e 3203 },
4c02d8be 3204 {
bb7c2085 3205 FK_DIRECT, FK_FILES, plainFlag,
abd7f895 3206 "skipisoheaders",
3207 FLG_SKIPISOHEADERS,
bb7c2085 3208 "prevent inclusion of header files in a system directory with "
3209 "names that match standard ANSI headers. The symbolic information "
3210 "in the standard library is used instead. Flag in effect only "
3211 "if a library including the ANSI library is loaded. The ANSI "
3212 "headers are: assert, ctype, errno, float, limits, locale, math, "
3213 "setjmp, signal, stdarg, stddef, stdio, stdlib, strings, string, "
3214 "time, and wchar.",
3215 NULL, 0, 0
4c02d8be 3216 },
03d670b6 3217 {
bb7c2085 3218 FK_DIRECT, FK_FILES, plainFlag,
3219 "skipposixheaders",
3220 FLG_SKIPPOSIXHEADERS,
3221 "prevent inclusion of header files in a system directory with "
3222 "names that match standard POSIX headers. The symbolic information "
3223 "in the posix library is used instead. The POSIX headers are: "
3224 "dirent, fcntl, grp, pwd, termios, sys/stat, sys/times, "
3225 "sys/types, sys/utsname, sys/wait, unistd, and utime.",
3226 NULL, 0, 0
03d670b6 3227 },
3228 {
bb7c2085 3229 FK_DIRECT, FK_SUPPRESS, modeFlag,
3230 "sysdirerrors",
3231 FLG_SYSTEMDIRERRORS,
3232 "report errors in files in system directories (set by -sysdirs)",
3233 NULL, 0, 0
3234 },
3235 {
3236 FK_DIRECT, FK_MACROS, plainFlag,
3237 "sysdirexpandmacros",
3238 FLG_SYSTEMDIREXPAND,
3239 "expand macros in system directories regardless of other settings, "
3240 "except for macros corresponding to names defined in a load library",
3241 NULL, 0, 0
03d670b6 3242 },
3243
28bf4b0b 3244 {
bb7c2085 3245 FK_DIRECT, FK_HEADERS, globalExtraArgFlag,
3246 "I<directory>",
3247 FLG_INCLUDEPATH,
3248 "add to C include path",
3249 NULL, 0, 0
28bf4b0b 3250 },
28bf4b0b 3251 {
bb7c2085 3252 FK_DIRECT, FK_SPEC, globalExtraArgFlag,
3253 "S<directory>",
3254 FLG_SPECPATH,
3255 "add to spec path",
3256 NULL, 0, 0
885824d3 3257 },
28bf4b0b 3258 {
bb7c2085 3259 FK_EXPORT, FK_SPEC, specialFlag,
3260 "exportany",
3261 FLG_EXPORTANY,
3262 "variable, function or type exported but not specified",
3263 "A variable, function or type is exported, but not specified.",
28bf4b0b 3264 0, 0
bb7c2085 3265 },
28bf4b0b 3266 {
bb7c2085 3267 FK_EXPORT, FK_SPEC, modeFlag,
3268 "exportfcn",
3269 FLG_EXPORTFCN,
3270 "function exported but not specified",
3271 "A function is exported, but not specified.", 0, 0
28bf4b0b 3272 },
28bf4b0b 3273 {
bb7c2085 3274 FK_EXPORT, FK_SPEC, modeFlag,
3275 "exportmacro",
3276 FLG_EXPORTMACRO,
3277 "expanded macro exported but not specified",
3278 "A macro is exported, but not specified.", 0, 0
28bf4b0b 3279 },
28bf4b0b 3280 {
bb7c2085 3281 FK_EXPORT, FK_SPEC, modeFlag,
3282 "exporttype",
3283 FLG_EXPORTTYPE,
3284 "type definition exported but not specified",
3285 "A type is exported, but not specified.", 0, 0
28bf4b0b 3286 },
3287 {
bb7c2085 3288 FK_EXPORT, FK_SPEC, modeFlag,
3289 "exportvar",
3290 FLG_EXPORTVAR,
3291 "variable exported but not specified",
3292 "A variable is exported, but not specified.", 0, 0
28bf4b0b 3293 },
3294 {
bb7c2085 3295 FK_EXPORT, FK_SPEC, modeFlag,
3296 "exportconst",
3297 FLG_EXPORTCONST,
3298 "constant exported but not specified",
3299 "A constant is exported, but not specified.", 0, 0
28bf4b0b 3300 },
3301 {
bb7c2085 3302 FK_EXPORT, FK_SPEC, modeFlag,
3303 "exportiter",
3304 FLG_EXPORTITER,
3305 "constant exported but not specified",
3306 "A constant is exported, but not specified.", 0, 0
3307 },
3308
3309 {
3310 FK_FORMAT, FK_DISPLAY, valueFlag,
3311 "linelen",
3312 FLG_LINELEN,
3313 "set length of messages (number of chars)",
3314 NULL, 0, 0
28bf4b0b 3315 },
3316 {
bb7c2085 3317 FK_FORMAT, FK_DISPLAY, valueFlag,
3318 "indentspaces",
3319 FLG_INDENTSPACES,
3320 "set number of spaces to indent sub-messages",
3321 NULL, 0, 0
28bf4b0b 3322 },
16c024b5 3323 {
3324 FK_FORMAT, FK_DISPLAY, valueFlag,
3325 "locindentspaces",
3326 FLG_LOCINDENTSPACES,
3327 "set number of spaces to indent sub-messages that start with file locations",
3328 NULL, 0, 0
3329 },
3330 {
3331 FK_FORMAT, FK_DISPLAY, plainFlag,
3332 "showdeephistory",
3333 FLG_SHOWDEEPHISTORY,
3334 "show all available information about storage mentioned in warnings",
3335 NULL, 0, 0
3336 },
28bf4b0b 3337 {
bb7c2085 3338 FK_FORMAT, FK_DISPLAY, plainFlag,
3339 "showcolumn",
3340 FLG_SHOWCOL,
3341 "show column number where error is found",
3342 NULL, 0, 0
28bf4b0b 3343 },
f9264521 3344 {
3345 FK_FORMAT, FK_DISPLAY, plainFlag,
3346 "showloadloc",
3347 FLG_SHOWLOADLOC,
3348 "show location information for load files",
3349 NULL, 0, 0
3350 },
53306cab 3351 {
3352 FK_FORMAT, FK_DISPLAY, globalFileFlag,
3353 "csv",
3354 FLG_CSV,
3355 "produce comma-separated values (CSV) warnings output file",
3356 NULL, 0, 0
3357 },
3358 {
3359 FK_FORMAT, FK_DISPLAY, plainFlag,
3360 "csvoverwrite",
3361 FLG_CSVOVERWRITE,
3362 "overwrite exisiting CVS output file",
3363 NULL, 0, 0
3364 },
28bf4b0b 3365 {
bb7c2085 3366 FK_FORMAT, FK_DISPLAY, plainFlag,
3367 "parenfileformat",
3368 FLG_PARENFILEFORMAT,
3369 "show column number where error is found",
3370 NULL, 0, 0
28bf4b0b 3371 },
01a8227e 3372 {
3373 FK_FORMAT, FK_DISPLAY, plainFlag,
3374 "htmlfileformat",
3375 FLG_HTMLFILEFORMAT,
3376 "show file locations as links",
3377 NULL, 0, 0
3378 },
28bf4b0b 3379 {
bb7c2085 3380 FK_FORMAT, FK_NONE, plainFlag,
3381 "showfunc",
3382 FLG_SHOWFUNC,
3383 "show name of function containing error",
3384 NULL, 0, 0
28bf4b0b 3385 },
3386 {
bb7c2085 3387 FK_FORMAT, FK_NONE, plainFlag,
3388 "showallconjs",
3389 FLG_SHOWALLCONJS,
3390 "show all possible types",
3391 "When a library function is declared with multiple possible type, the "
3392 "alternate types are shown only if +showallconjs.",
3393 0, 0
28bf4b0b 3394 },
1d239d69 3395 {
bb7c2085 3396 FK_LIBS, FK_NONE, plainFlag,
3397 "impconj",
3398 FLG_IMPCONJ,
3399 "make all alternate types implicit (useful for making system libraries",
3400 NULL, 0, 0
3401 } ,
28bf4b0b 3402 {
bb7c2085 3403 FK_GLOBAL, FK_ERRORS, globalValueFlag,
3404 "expect",
3405 FLG_EXPECT,
3406 "expect <int> code errors",
3407 NULL, 0, 0
28bf4b0b 3408 },
3409 {
bb7c2085 3410 FK_GLOBAL, FK_ERRORS, globalValueFlag,
3411 "lclexpect",
3412 FLG_LCLEXPECT,
3413 "expect <int> spec errors",
3414 NULL, 0, 0
28bf4b0b 3415 },
3416 {
bb7c2085 3417 FK_GLOBAL, FK_USE, idemSpecialFlag,
3418 "partial",
3419 FLG_PARTIAL,
3420 "check as partial system (-specundef, -declundef, -exportlocal, "
3421 "don't check macros in headers without corresponding .c files)",
3422 NULL, 0, 0
28bf4b0b 3423 },
bb7c2085 3424
3425 /*
3426 ** Appendix D. Specifications
3427 */
3428
28bf4b0b 3429 {
bb7c2085 3430 FK_HEADERS, FK_SPEC, globalFlag,
3431 "lh",
3432 FLG_DOLH,
3433 "generate .lh files", NULL,
3434 0, 0
28bf4b0b 3435 },
3436 {
bb7c2085 3437 FK_HEADERS, FK_SPEC, globalFlag,
3438 "lcs",
3439 FLG_DOLCS,
3440 "generate .lcs files", NULL,
3441 0, 0
28bf4b0b 3442 },
bb7c2085 3443
3444 /*
3445 ** 1. Operation
3446 */
3447
28bf4b0b 3448 {
bb7c2085 3449 FK_HELP, FK_NONE, plainFlag,
3450 "warnflags",
3451 FLG_WARNFLAGS,
3452 "warn when command line sets flag in abnormal way",
3453 "Command line sets flag in abnormal way",
a956d444 3454 0, 0
3455 },
3456 {
bb7c2085 3457 FK_HELP, FK_NONE, plainFlag,
3458 "warnrc",
3459 FLG_WARNRC,
3460 "warn when there are problems with reading the initialization files",
3461 "There was a problem reading an initialization file",
a956d444 3462 0, 0
28bf4b0b 3463 },
3464 {
bb7c2085 3465 FK_HELP, FK_NONE, plainFlag,
3466 "badflag",
3467 FLG_BADFLAG,
3468 "warn about bad command line flags",
3469 "A flag is not recognized or used in an incorrect way",
28bf4b0b 3470 0, 0
3471 },
3472 {
bb7c2085 3473 FK_HELP, FK_NONE, plainFlag,
3474 "fileextensions",
3475 FLG_FILEEXTENSIONS,
3476 "warn when command line file does not have a recognized extension",
3477 NULL, 0, 0
28bf4b0b 3478 },
3479 {
bb7c2085 3480 FK_HELP, FK_NONE, globalExtraArgFlag,
3481 "help",
3482 FLG_HELP,
3483 "-help <flags> will describe flags",
3484 "Display help",
28bf4b0b 3485 0, 0
3486 },
3487 {
bb7c2085 3488 FK_INIT, FK_FILES, globalFileFlag,
3489 "f",
3490 FLG_OPTF,
3491 "read an options file (default ~/.splintrc not loaded)",
3492 "Read an options file (instead of loading default ~/.splintc)",
28bf4b0b 3493 0, 0
3494 },
3495 {
bb7c2085 3496 FK_INIT, FK_FILES, globalFileFlag,
3497 "i",
3498 FLG_INIT,
3499 "set LCL initilization file",
3500 NULL, 0, 0
3501 },
3502 {
3503 FK_INIT, FK_FILES, globalFlag,
3504 "nof",
3505 FLG_NOF,
3506 "do not read options file",
3507 "Do not read the default options file (~/.splintrc)",
28bf4b0b 3508 0, 0
3509 },
3510 {
bb7c2085 3511 FK_INIT, FK_COMMENTS, charFlag,
3512 "commentchar",
3513 FLG_COMMENTCHAR,
3514 "set marker character for syntactic comments (default is '@')",
3515 "Set the marker character for syntactic comments. Comments beginning "
3516 "with /*<char> are interpreted by Splint, where <char> is the "
3517 "comment marker character.",
28bf4b0b 3518 0, 0
3519 },
bb7c2085 3520
3521 /*
3522 ** Limits
3523 */
3524
28bf4b0b 3525 {
bb7c2085 3526 FK_LIMITS, FK_ANSI, modeValueFlag,
3527 "controlnestdepth",
3528 FLG_CONTROLNESTDEPTH,
3529 "set maximum nesting depth of compound statements, iteration control "
3530 "structures, and selection control structures (ANSI89 minimum is 15; ISO99 is 63)",
3531 "Maximum number of control levels exceeded.",
3532 0, 0
3533 },
3534 {
3535 FK_LIMITS, FK_ANSI, modeValueFlag,
3536 "stringliterallen",
3537 FLG_STRINGLITERALLEN,
3538 "set maximum length of string literals (ANSI89 minimum is 509; ISO99 is 4095)",
3539 "Maximum length of string literal exceeded.",
28bf4b0b 3540 0, 0
3541 },
3542 {
bb7c2085 3543 FK_LIMITS, FK_ANSI, modeValueFlag,
3544 "numstructfields",
3545 FLG_NUMSTRUCTFIELDS,
3546 "set maximum number of fields in a struct or union (ANSI89 minimum is 127; ISO99 is 1023)",
3547 "Maximum number of fields in a struct or union exceeded.",
28bf4b0b 3548 0, 0
3549 },
3550 {
bb7c2085 3551 FK_LIMITS, FK_ANSI, modeValueFlag,
3552 "numenummembers",
3553 FLG_NUMENUMMEMBERS,
3554 "set maximum number of members of an enum (ANSI89 minimum is 127; ISO99 is 1023)",
3555 "Limit on maximum number of members of an enum is exceeded.",
3556 0, 0
28bf4b0b 3557 },
3558 {
bb7c2085 3559 FK_LIMITS, FK_ANSI, modeValueFlag,
3560 "includenest",
3561 FLG_INCLUDENEST,
45569d72 3562 "set maximum number of nested #include files (ANSI89 minimum is 8; ISO99 is 63)",
bb7c2085 3563 "Maximum number of nested #include files exceeded.",
3564 0, 0
28bf4b0b 3565 },
3566 {
bb7c2085 3567 FK_LIMITS, FK_ANSI, specialFlag,
3568 "ansi89limits",
3569 FLG_ANSI89LIMITS,
3570 "check for violations of standard limits (controlnestdepth, "
3571 "stringliterallen, includenest, numstructfields, numenummembers) based on ANSI89 standard",
3572 NULL,
3573 0, 0
28bf4b0b 3574 },
3575 {
bb7c2085 3576 FK_LIMITS, FK_ANSI, specialFlag,
3577 "iso99limits",
3578 FLG_ISO99LIMITS,
3579 "check for violations of standard limits (controlnestdepth, "
3580 "stringliterallen, includenest, numstructfields, numenummembers) based on ISO99 standard",
3581 NULL,
3582 0, 0
28bf4b0b 3583 },
bb7c2085 3584
28bf4b0b 3585 {
3586 FK_PREPROC, FK_NONE, globalExtraArgFlag,
3587 "D<initializer>",
3588 FLG_DEFINE,
3589 "passed to pre-processor",
3590 NULL, 0, 0
3591 },
3592 {
3593 FK_PREPROC, FK_NONE, globalExtraArgFlag,
3594 "U<initializer>",
3595 FLG_UNDEFINE,
3596 "passed to pre-processor",
3597 NULL, 0, 0
3598 },
4c9767b3 3599 {
3600 FK_PREPROC, FK_SYNTAX, plainFlag,
dcdc46c8 3601 "unrecogdirective",
4c9767b3 3602 FLG_UNRECOGDIRECTIVE,
3603 "unrecognized pre-processor directive",
3604 "Pre-processor directive is not recognized.",
3605 0, 0
3606 },
28bf4b0b 3607 {
3608 FK_SUPPRESS, FK_COMMENTS, globalFlag,
3609 "supcounts",
3610 FLG_SUPCOUNTS,
3611 "The number of errors detected does not match number in /*@i<n>@*/.",
3612 NULL, 0, 0
3613 },
3614 {
3615 FK_SUPPRESS, FK_ERRORS, valueFlag,
3616 "limit",
3617 FLG_LIMIT,
3618 "limit <int> consecutive repeated errors",
3619 NULL, 0, 0
3620 },
3621 {
3622 FK_SYNTAX, FK_NONE, plainFlag,
3623 "syntax",
3624 FLG_SYNTAX,
3625 "syntax error in parsing",
77d37419 3626 "Code cannot be parsed. For help on parse errors, see splint -help parseerrors.",
28bf4b0b 3627 0, 0
3628 },
3629 {
3630 FK_SYNTAX, FK_NONE, plainFlag,
3631 "trytorecover",
3632 FLG_TRYTORECOVER,
3633 "try to recover from parse error",
4c9767b3 3634 "Try to recover from parse error. It really means try - this doesn't usually work.", 0, 0
28bf4b0b 3635 },
3636 {
3637 FK_SYNTAX, FK_PREPROC, plainFlag,
3638 "preproc",
3639 FLG_PREPROC,
80489f0a 3640 "preprocessing error",
3641 "Preprocessing error.",
28bf4b0b 3642 0, 0
3643 },
45569d72 3644
28bf4b0b 3645 {
3646 FK_TYPE, FK_NONE, plainFlag,
3647 "type",
3648 FLG_TYPE,
3649 "type mismatch",
3650 "Types are incompatible.",
3651 0, 0
3652 },
45569d72 3653
7534721d 3654 {
3655 FK_TYPE, FK_NONE, plainFlag,
3656 "stringliteraltoolong",
3657 FLG_STRINGLITTOOLONG,
3658 "string literal too long for character array",
3659 "A string literal is assigned to a char array too small to hold it.",
3660 0, 0
3661 },
1810fe2a 3662 {
3663 FK_TYPE, FK_NONE, modeFlag,
3664 "stringliteralnoroomfinalnull",
3665 FLG_STRINGLITNOROOMFINALNULL,
3666 "string literal leaves no room for null terminator",
3667 "A string literal is assigned to a char array that is not big enough to hold the final null terminator. This may not be a problem because a null character has been explictedly included in the string literal using an escape sequence",
3668 0, 0
3669 },
7534721d 3670 {
3671 FK_TYPE, FK_NONE, modeFlag,
3672 "stringliteralnoroom",
3673 FLG_STRINGLITNOROOM,
3674 "string literal leaves no room for null terminator",
3675 "A string literal is assigned to a char array that is not big enough to hold the null terminator.",
3676 0, 0
3677 },
3678 {
3679 FK_TYPE, FK_NONE, modeFlag,
3680 "stringliteralsmaller",
3681 FLG_STRINGLITSMALLER,
3682 "string literal is smaller than the char array it is assigned to",
3683 "A string literal is assigned to a char array that smaller than the string literal needs.",
3684 0, 0
3685 },
28bf4b0b 3686 {
3687 FK_TYPE, FK_NONE, modeFlag,
3688 "enummembers",
3689 FLG_ENUMMEMBERS,
3690 "enum members must be int values",
3691 "Type of initial values for enum members must be int.",
3692 0, 0
3693 },
885824d3 3694
28bf4b0b 3695 {
3696 FK_TYPE, FK_NONE, plainFlag,
3697 "formattype",
3698 FLG_FORMATTYPE,
3699 "type-mismatch in parameter corresponding to format code in a printf or scanf-like function",
3700 "Type of parameter is not consistent with corresponding code in format string.",
3701 0, 0
3702 },
3703 {
3704 FK_TYPE, FK_NONE, modeFlag,
3705 "formatconst",
3706 FLG_FORMATCONST,
3707 "format parameter is not a string constant (hence variable arguments cannot be typechecked)",
3708 "Format parameter is not known at compile-time. This can lead to security vulnerabilities because the arguments cannot be type checked.",
3709 0, 0
3710 },
3711 {
3712 FK_TYPE, FK_NONE, plainFlag,
3713 "formatcode",
3714 FLG_FORMATCODE,
3715 "invalid format code in format string for printf or scanf-like function",
3716 "Format code in a format string is not valid.",
3717 0, 0
3718 },
3719 {
3720 FK_TYPEEQ, FK_ABSTRACT, modeFlag,
3721 "forwarddecl",
3722 FLG_FORWARDDECL,
3723 "forward declarations of pointers to abstract representation match abstract type",
3724 NULL, 0, 0
3725 },
3726 {
3727 FK_TYPEEQ, FK_ABSTRACT, modeFlag,
3728 "voidabstract",
3729 FLG_ABSTVOIDP,
3730 "void * matches pointers to abstract types, casting ok (dangerous)",
3731 "A pointer to void is cast to a pointer to an abstract type (or vice versa).",
3732 0, 0
3733 },
3734 {
3735 FK_TYPEEQ, FK_POINTER, plainFlag,
3736 "castfcnptr",
3737 FLG_CASTFCNPTR,
3738 "a pointer to a function is cast to a pointer to void (or vice versa)",
3739 "A pointer to a function is cast to (or used as) a pointer to void (or vice versa).",
3740 0, 0
3741 },
3742 {
3743 FK_TYPEEQ, FK_ARRAY, modeFlag,
3744 "charindex",
3745 FLG_CHARINDEX,
3746 "char can be used to index arrays",
3747 "To allow char types to index arrays, use +charindex.", 0, 0
3748 },
3749 {
3750 FK_TYPEEQ, FK_ARRAY, modeFlag,
3751 "enumindex",
3752 FLG_ENUMINDEX,
3753 "enum can be used to index arrays",
3754 "To allow enum types to index arrays, use +enumindex.", 0, 0
3755 },
3756 {
3757 FK_TYPEEQ, FK_BOOL, modeFlag,
3758 "boolint",
3759 FLG_BOOLINT,
3760 "bool and int are equivalent",
3761 "To make bool and int types equivalent, use +boolint.",
3762 0, 0
3763 },
3764 {
3765 FK_TYPEEQ, FK_NONE, modeFlag,
3766 "charint",
3767 FLG_CHARINT,
3768 "char and int are equivalent",
3769 "To make char and int types equivalent, use +charint.",
3770 0, 0
3771 },
3772 {
3773 FK_TYPEEQ, FK_NONE, modeFlag,
3774 "enumint",
3775 FLG_ENUMINT,
3776 "enum and int are equivalent",
3777 "To make enum and int types equivalent, use +enumint.",
3778 0, 0
3779 },
81fc136a 3780 {
3781 FK_TYPEEQ, FK_NONE, modeFlag,
3782 "longint",
3783 FLG_LONGINT,
3784 "long int and int are equivalent",
3785 "To make long int and int types equivalent, use +longint.",
3786 0, 0
3787 },
3788 {
3789 FK_TYPEEQ, FK_NONE, modeFlag,
3790 "shortint",
3791 FLG_SHORTINT,
3792 "short int and int are equivalent",
3793 "To make short int and int types equivalent, use +shortint.",
3794 0, 0
3795 },
28bf4b0b 3796 {
3797 FK_TYPEEQ, FK_NONE, modeFlag,
3798 "floatdouble",
3799 FLG_FLOATDOUBLE,
3800 "float and double are equivalent",
3801 "To make float and double types equivalent, use +floatdouble.",
3802 0, 0
3803 },
3804 {
3805 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3806 "ignorequals",
3807 FLG_IGNOREQUALS,
3808 "ignore type qualifiers (long, short, unsigned)",
3809 "To ignore type qualifiers in type comparisons use +ignorequals.",
3810 0, 0
3811 },
3812 {
3813 FK_TYPEEQ, FK_SYNTAX, plainFlag,
3814 "duplicatequals",
3815 FLG_DUPLICATEQUALS,
45569d72 3816 "report duplicate type qualifiers (e.g., unsigned unsigned)",
3817 "Duplicate type qualifiers not supported by ISO standard.",
28bf4b0b 3818 0, 0
3819 },
3820 {
3821 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3822 "ignoresigns",
3823 FLG_IGNORESIGNS,
3824 "ignore signs in type comparisons (unsigned matches signed)",
3825 "To ignore signs in type comparisons use +ignoresigns",
3826 0, 0
3827 },
3828 {
3829 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3830 "numliteral",
3831 FLG_NUMLITERAL,
3832 "int literals can be reals",
3833 "An int literal is used as any numeric type (including float and long long). Use +numliteral to "
3834 "allow int literals to be used as any numeric type.",
3835 0, 0
3836 },
3837 {
3838 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3839 "charintliteral",
3840 FLG_CHARINTLITERAL,
3841 "character constants (e.g., 'a') can be used as ints",
3842 "A character constant is used as an int. Use +charintliteral to "
3843 "allow character constants to be used as ints. (This is safe "
3844 "since the actual type of a char constant is int.)",
3845 0, 0
3846 },
3847 {
3848 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3849 "relaxquals",
3850 FLG_RELAXQUALS,
3851 "report qualifier mismatches only if dangerous",
990ec868 3852 "To allow qualifier mismatches that are not dangerous, use +relaxquals.", 0, 0
28bf4b0b 3853 },
3854 {
3855 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3856 "relaxtypes",
3857 FLG_RELAXTYPES,
3858 "allow all numeric types to match",
990ec868 3859 "To allow all numeric types to match, use +relaxtypes.", 0, 0
28bf4b0b 3860 },
3861 {
3862 FK_TYPEEQ, FK_NONE, modeFlag,
3863 "charunsignedchar",
3864 FLG_CHARUNSIGNEDCHAR,
3865 "allow char and unsigned char types to match",
3866 "To allow char and unsigned char types to match use +charunsignedchar.",
3867 0, 0
3868 },
3869 {
3870 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3871 "matchanyintegral",
3872 FLG_MATCHANYINTEGRAL,
3873 "allow any intergral type to match an arbitrary integral type (e.g., dev_t)",
3874 "To allow arbitrary integral types to match any integral type, use +matchanyintegral.",
3875 0, 0
3876 },
3877 {
3878 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3879 "longunsignedintegral",
3880 FLG_LONGUNSIGNEDINTEGRAL,
3881 "allow long unsigned type to match an arbitrary integral type (e.g., dev_t)",
3882 "To allow arbitrary integral types to match long unsigned, use +longunsignedintegral.",
3883 0, 0
3884 },
3885 {
3886 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3887 "longintegral",
3888 FLG_LONGINTEGRAL,
3889 "allow long type to match an arbitrary integral type (e.g., dev_t)",
3890 "To allow arbitrary integral types to match long unsigned, use +longintegral.",
3891 0, 0
3892 },
3893 {
3894 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3895 "longunsignedunsignedintegral",
3896 FLG_LONGUNSIGNEDUNSIGNEDINTEGRAL,
3897 "allow long unsigned type to match an arbitrary unsigned integral type (e.g., size_t)",
3898 "To allow arbitrary unsigned integral types to match long unsigned, "
3899 "use +longunsignedunsignedintegral.",
3900 0, 0
3901 },
3902 {
3903 FK_TYPEEQ, FK_NUMBERS, modeFlag,
3904 "longsignedintegral",
3905 FLG_LONGSIGNEDINTEGRAL,
3906 "allow long type to match an arbitrary signed integral type (e.g., ssize_t)",
3907 "To allow arbitrary signed integral types to match long unsigned, use +longsignedintegral.",
3908 0, 0
3909 },
3910 {
3911 FK_TYPEEQ, FK_POINTER, plainFlag,
3912 "zeroptr",
3913 FLG_ZEROPTR,
6fcd0b1e 3914 "treat 0 as a pointer",
28bf4b0b 3915 NULL, 0, 0
3916 },
3917 {
3918 FK_TYPEEQ, FK_BOOL, modeFlag,
3919 "zerobool",
3920 FLG_ZEROBOOL,
bb7c2085 3921 "treat 0 as a boolean",
28bf4b0b 3922 NULL, 0, 0
3923 },
3924 {
3925 FK_UNRECOG, FK_DISPLAY, plainFlag,
3926 "repeatunrecog",
3927 FLG_REPEATUNRECOG,
3928 "do not suppress repeated unrecognized identifier messages (instead of only reporting the first error)",
3929 "Identifier used in code has not been declared. (Message repeated for future uses in this file.)",
3930 0, 0
3931 },
3932 {
3933 FK_UNRECOG, FK_DISPLAY, plainFlag,
3934 "sysunrecog",
3935 FLG_SYSTEMUNRECOG,
3936 "report unrecognized identifiers with system (__) prefix",
3937 "Identifier used in code has not been declared. (Message repeated for "
77d37419 3938 "future uses in this file.) Use +gnuextensions to make Splint "
28bf4b0b 3939 "recognize some keywords that are gnu extensions.",
3940 0, 0
3941 },
3942 {
3943 FK_UNRECOG, FK_NONE, plainFlag,
3944 "unrecog",
3945 FLG_UNRECOG,
3946 "unrecognized identifier",
3947 "Identifier used in code has not been declared.", 0, 0
3948 },
bb7c2085 3949
3950
28bf4b0b 3951 {
3952 FK_DECL, FK_TYPE, plainFlag,
3953 "annotationerror",
3954 FLG_ANNOTATIONERROR,
3955 "annotation is used in inconsistent location",
3956 "A declaration uses an invalid annotation.",
3957 0, 0
3958 } ,
3959 {
3960 FK_DECL, FK_TYPE, plainFlag,
3961 "commenterror",
3962 FLG_COMMENTERROR,
3963 "inconsistent syntactic comment",
3964 "A syntactic comment is used inconsistently.",
3965 0, 0
3966 } ,
45569d72 3967
3968 /*
3969 ** Use Warnings
3970 */
3971
28bf4b0b 3972 {
45569d72 3973 FK_WARNUSE, FK_NONE, plainFlag,
bb7c2085 3974 "warnuse",
3975 FLG_WARNUSE,
3976 "warn when declaration marked with warn is used",
3977 "Declaration marked with warn clause is used (can be suppresed by more specific flags).",
28bf4b0b 3978 0, 0
3979 },
28bf4b0b 3980 {
bb7c2085 3981 FK_WARNUSE, FK_SECURITY, modeFlag,
3982 "bufferoverflow",
3983 FLG_BUFFEROVERFLOW,
3984 "possible buffer overflow vulnerability",
3985 "Use of function that may lead to buffer overflow.",
3986 0, 0
3987 },
3988 {
3989 FK_WARNUSE, FK_SECURITY, modeFlag,
3990 "bufferoverflowhigh",
3991 FLG_BUFFEROVERFLOWHIGH,
3992 "likely buffer overflow vulnerability",
3993 "Use of function that may lead to buffer overflow.",
3994 0, 0
3995 },
3996 {
3997 FK_WARNUSE, FK_SECURITY, modeFlag,
3998 "implementationoptional",
3999 FLG_IMPLEMENTATIONOPTIONAL,
4000 "declarator is implementation optional (ISO99 does not require an implementation to provide it)",
4001 "Use of a declarator that is implementation optional, not required by ISO99.",
4002 0, 0
4003 },
4004 {
4005 FK_WARNUSE, FK_NONE, modeFlag,
4006 "legacy",
4007 FLG_LEGACY,
4008 "legacy declaration in Unix Standard",
4009 "Use of a declarator that is marked as a legacy entry in the Unix Standard.",
4010 0, 0
4011 },
4012 {
4013 FK_WARNUSE, FK_SECURITY, modeFlag,
4014 "multithreaded",
4015 FLG_MULTITHREADED,
4016 "function is not reentrant",
4017 "Non-reentrant function should not be used in multithreaded code.",
4018 0, 0
28bf4b0b 4019 },
4020 {
bb7c2085 4021 FK_WARNUSE, FK_SECURITY, modeFlag,
4022 "portability",
4023 FLG_PORTABILITY,
4024 "function may have undefined behavior",
4025 "Use of function that may have implementation-dependent behavior.",
28bf4b0b 4026 0, 0
4027 },
4028 {
bb7c2085 4029 FK_WARNUSE, FK_SECURITY, modeFlag,
4030 "superuser",
4031 FLG_SUPERUSER,
4032 "function is restricted to superusers",
4033 "Call to function restricted to superusers.",
28bf4b0b 4034 0, 0
4035 },
4036 {
bb7c2085 4037 FK_WARNUSE, FK_SECURITY, modeFlag,
4038 "toctou",
4039 FLG_TOCTOU,
4040 "possible time of check, time of use vulnerability",
4041 "Possible time of check, time of use vulnerability.",
4042 0, 0
4043 },
4044 {
4045 FK_WARNUSE, FK_SECURITY, modeFlag,
4046 "unixstandard",
4047 FLG_UNIXSTANDARD,
4048 "function is not required in Standard UNIX Specification",
4049 "Use of function that need not be provided by UNIX implementations",
28bf4b0b 4050 0, 0
4051 },
885824d3 4052
28bf4b0b 4053 /*
bb7c2085 4054 ** ITS4 Compability Flags
4055 **
4056 ** These flags flags must appear in order (most severe -> weakest).
28bf4b0b 4057 */
885824d3 4058
28bf4b0b 4059 {
bb7c2085 4060 FK_ITS4, FK_SECURITY, specialFlag,
28bf4b0b 4061 "its4mostrisky",
4062 FLG_ITS4MOSTRISKY,
4063 "most risky security vulnerabilities (from its4 database)",
4064 "Security vulnerability classified as most risky in its4 database.",
4065 0, 0
4066 },
4067 {
bb7c2085 4068 FK_ITS4, FK_SECURITY, specialFlag,
28bf4b0b 4069 "its4veryrisky",
4070 FLG_ITS4VERYRISKY,
4071 "very risky security vulnerabilities (from its4 database)",
4072 "Security vulnerability classified as very risky in its4 database.",
4073 0, 0
4074 },
4075 {
bb7c2085 4076 FK_ITS4, FK_SECURITY, specialFlag,
28bf4b0b 4077 "its4risky",
4078 FLG_ITS4RISKY,
4079 "risky security vulnerabilities (from its4 database)",
4080 "Security vulnerability classified as risky in its4 database.",
4081 0, 0
4082 },
4083 {
bb7c2085 4084 FK_ITS4, FK_SECURITY, specialFlag,
28bf4b0b 4085 "its4moderate",
4086 FLG_ITS4MODERATERISK,
4087 "moderately risky security vulnerabilities (from its4 database)",
4088 "Security vulnerability classified as moderate risk in its4 database.",
4089 0, 0
4090 },
4091 {
bb7c2085 4092 FK_ITS4, FK_SECURITY, specialFlag,
28bf4b0b 4093 "its4low",
4094 FLG_ITS4LOWRISK,
4095 "risky security vulnerabilities (from its4 database)",
4096 "Security vulnerability classified as risky in its4 database.",
4097 0, 0
4098 },
885824d3 4099
28bf4b0b 4100 /*
bb7c2085 4101 ** Syntactic comments
28bf4b0b 4102 */
885824d3 4103
28bf4b0b 4104 {
bb7c2085 4105 FK_SYNCOMMENTS, FK_SUPPRESS, plainFlag,
4106 "nocomments",
4107 FLG_NOCOMMENTS,
4108 "ignore all stylized comments",
4109 NULL, 0, 0
4110 },
4111 {
4112 FK_SYNCOMMENTS, FK_ABSTRACT, plainFlag,
4113 "noaccess",
4114 FLG_NOACCESS,
4115 "ignore access comments",
4116 NULL, 0, 0
4117 },
4118
4119 {
4120 FK_SYNCOMMENTS, FK_SYNTAX, plainFlag,
4121 "unrecogcomments",
4122 FLG_UNRECOGCOMMENTS,
4123 "stylized comment is unrecognized",
4124 "Word after a stylized comment marker does not correspond to a "
4125 "stylized comment.",
28bf4b0b 4126 0, 0
bb7c2085 4127 },
28bf4b0b 4128 {
bb7c2085 4129 FK_SYNCOMMENTS, FK_SYNTAX, plainFlag,
4130 "unrecogflagcomments",
4131 FLG_UNRECOGFLAGCOMMENTS,
4132 "stylized flag comment uses an unrecognized flag",
4133 "Semantic comment attempts to set a flag that is not recognized.",
28bf4b0b 4134 0, 0
bb7c2085 4135 },
28bf4b0b 4136 {
bb7c2085 4137 FK_SYNCOMMENTS, FK_SUPPRESS, modeFlag,
4138 "tmpcomments",
4139 FLG_TMPCOMMENTS,
4140 "interpret t comments (ignore errors in lines marked with /*@t<n>@*/",
4141 NULL, 0, 0
4142 },
4143 {
4144 FK_SYNCOMMENTS, FK_SUPPRESS, plainFlag,
4145 "lintcomments",
4146 FLG_LINTCOMMENTS,
4147 "interpret traditional lint comments (/*FALLTHROUGH*/, /*NOTREACHED*/)",
4148 NULL, 0, 0
4149 },
4150 {
4151 FK_SYNCOMMENTS, FK_SUPPRESS, modeFlag,
4152 "warnlintcomments",
4153 FLG_WARNLINTCOMMENTS,
4154 "warn when a traditional lint comment is used",
4155 "A traditional lint comment is used. Some traditional lint comments "
4156 "are interpreted by Splint to enable easier checking of legacy "
4157 "code. It is preferable to replace these comments with the "
4158 "suggested Splint alternative.",
28bf4b0b 4159 0, 0
4160 },
bb7c2085 4161
4162 /*
4163 ** Comments
4164 */
4165
7272a1c1 4166 {
bb7c2085 4167 FK_COMMENTS, FK_SYNTAX, plainFlag,
4168 "continuecomment",
4169 FLG_CONTINUECOMMENT,
4170 "line continuation marker (\\) in comment before */ on same line",
4171 "A line continuation marker (\\) appears inside a comment on the same "
4172 "line as the comment close. Preprocessors should handle this "
4173 "correctly, but it causes problems for some preprocessors.",
7272a1c1 4174 0, 0
4175 },
1d239d69 4176 {
bb7c2085 4177 FK_COMMENTS, FK_SYNTAX, plainFlag,
4178 "slashslashcomment",
4179 FLG_SLASHSLASHCOMMENT,
4180 "use of // comment",
4181 "A // comment is used. ISO C99 allows // comments, but earlier standards did not.",
1d239d69 4182 0, 0
4183 },
4184 {
bb7c2085 4185 FK_COMMENTS, FK_SYNTAX, plainFlag,
4186 "nestcomment",
4187 FLG_NESTCOMMENT,
4188 "comment begins inside comment",
4189 "A comment open sequence (/*) appears within a comment. This usually "
4190 "means an earlier comment was not closed.",
1d239d69 4191 0, 0
4192 },
bb7c2085 4193
4194 /*
4195 ** Flags for controlling warning message printing.
4196 */
4197
4198 /* Display */
4199
7272a1c1 4200 {
bb7c2085 4201 FK_DISPLAY, FK_ERRORS, plainFlag,
4202 "quiet",
4203 FLG_QUIET,
4204 "suppress herald and error count",
4205 NULL, 0, 0
4206 },
80489f0a 4207
4208 /*
4209 ** Default is to send messages, warnings and errors to stderr
4210 */
4211
bb7c2085 4212 {
80489f0a 4213 FK_DISPLAY, FK_ERRORS, idemGlobalFlag,
4214 "messagestreamstdout",
4215 FLG_MESSAGESTREAMSTDOUT,
4216 "send status messages to standard output stream",
bb7c2085 4217 NULL, 0, 0
4218 },
80489f0a 4219 {
4220 FK_DISPLAY, FK_ERRORS, idemGlobalFlag,
4221 "messagestreamstderr",
4222 FLG_MESSAGESTREAMSTDERR,
4223 "send status messages to standard error stream",
4224 NULL, 0, 0
4225 },
4226 {
4227 FK_DISPLAY, FK_ERRORS, globalStringFlag, ARG_FILE,
4228 "messagestream",
4229 FLG_MESSAGESTREAM,
4230 "send status messages to <file>",
4231 NULL, 0, 0
4232 },
4233
4234 {
4235 FK_DISPLAY, FK_ERRORS, idemGlobalFlag,
4236 "warningstreamstdout",
4237 FLG_WARNINGSTREAMSTDOUT,
4238 "send warnings to standard output stream",
4239 NULL, 0, 0
4240 },
4241 {
4242 FK_DISPLAY, FK_ERRORS, idemGlobalFlag,
4243 "warningstreamstderr",
4244 FLG_WARNINGSTREAMSTDERR,
4245 "send warnings to standard error stream",
4246 NULL, 0, 0
4247 },
4248 {
4249 FK_DISPLAY, FK_ERRORS, globalStringFlag, ARG_FILE,
4250 "warningstream",
4251 FLG_WARNINGSTREAM,
4252 "send warnings to <file>",
4253 NULL, 0, 0
4254 },
4255
4256 {
4257 FK_DISPLAY, FK_ERRORS, idemGlobalFlag,
4258 "errorstreamstdout",
4259 FLG_ERRORSTREAMSTDOUT,
4260 "send fatal errors to standard output stream",
4261 NULL, 0, 0
4262 },
4263 {
4264 FK_DISPLAY, FK_ERRORS, idemGlobalFlag,
4265 "errorstreamstderr",
4266 FLG_ERRORSTREAMSTDERR,
4267 "send fatal errors to standard error stream",
4268 NULL, 0, 0
4269 },
4270 {
4271 FK_DISPLAY, FK_ERRORS, globalStringFlag, ARG_FILE,
4272 "errorstream",
4273 FLG_ERRORSTREAM,
4274 "send fatal errors to <file>",
4275 NULL, 0, 0
4276 },
4277
4278 {
4279 FK_DISPLAY, FK_ERRORS, globalFlag,
4280 "streamoverwrite",
4281 FLG_STREAMOVERWRITE,
4282 "warn and exit if a stream output file would overwrite an existing file",
4283 NULL, 0, 0
4284 },
4285
4286
bb7c2085 4287 {
4288 FK_DISPLAY, FK_ERRORS, plainFlag,
4289 "showsummary",
4290 FLG_SHOWSUMMARY,
4291 "show summary of all errors reported and suppressed",
4292 NULL, 0, 0
4293 },
4294 {
4295 FK_DISPLAY, FK_FILES, plainFlag,
4296 "showscan",
4297 FLG_SHOWSCAN,
4298 "show file names are they are processed",
4299 NULL, 0, 0
4300 },
e55c0c6d 4301 {
4302 FK_DISPLAY, FK_FILES, plainFlag,
4303 "warnsysfiles",
4304 FLG_WARNSYSFILES,
4305 "Splint has been run on a system file, by default no errors are reported for system files. Use +systemdirerrors if you want splint to report errors in system files. A file is considered a system file if it is in a system directory or a subdirectory of a system directory. The sysdirs flag can be used to control the directories treated as system directories.",
4306 NULL, 0, 0
4307 },
bb7c2085 4308 {
4309 FK_DISPLAY, FK_NONE, globalFlag,
4310 "stats",
4311 FLG_STATS,
4312 "display lines processed and time",
4313 NULL, 0, 0
4314 },
4315 {
4316 FK_DISPLAY, FK_NONE, globalFlag,
4317 "timedist",
4318 FLG_TIMEDIST,
4319 "display time distribution",
4320 NULL, 0, 0
4321 },
4322 {
4323 FK_DISPLAY, FK_USE, globalFlag,
4324 "showalluses",
4325 FLG_SHOWUSES,
4326 "show sorted list of uses of all globals",
4327 NULL, 0, 0
4328 },
4329
4330 /* Hints */
4331
4332 {
4333 FK_HINTS, FK_FORMAT, plainFlag,
4334 "hints",
4335 FLG_HINTS,
4336 "provide a hint the first time a particular warning appears",
4337 "Provide a hint the first time a particular warning appears",
7272a1c1 4338 0, 0
4339 },
e83c79ec 4340 {
bb7c2085 4341 FK_HINTS, FK_FORMAT, plainFlag,
4342 "forcehints",
4343 FLG_FORCEHINTS,
4344 "provide a hint for every warnings",
4345 "Provide a hint for every warning",
e83c79ec 4346 0, 0
bb7c2085 4347 },
4348
4349 /*
4350 ** Flags for debugging
4351 */
4352
bb7c2085 4353 {
4354 FK_DEBUG, FK_NONE, valueFlag,
4355 "bugslimit",
4356 FLG_BUGSLIMIT,
4357 "set maximum number of bugs detected before giving up",
4358 NULL, 0, 0
4359 },
4360 {
9276a168 4361 FK_DEBUG, FK_BOUNDS, plainFlag,
bb7c2085 4362 "debugfcnconstraint",
4363 FLG_DEBUGFUNCTIONCONSTRAINT,
4364 "debug function constraints",
4365 "Perform buffer overflow checking even if the errors would be surpressed.",
4366 0, 0
4367 },
4368 {
4369 FK_DEBUG, FK_NONE, specialDebugFlag,
4370 "grammar",
4371 FLG_GRAMMAR,
4372 "debug parsing", NULL,
4373 0, 0
4374 },
45569d72 4375 {
4376 FK_DEBUG, FK_NONE, debugFlag,
4377 "keep",
4378 FLG_KEEP,
4379 "do not delete temporary files", NULL,
4380 0, 0
4381 },
bb7c2085 4382 {
4383 FK_DEBUG, FK_NONE, debugFlag,
4384 "nopp",
4385 FLG_NOPP,
4386 "do not pre-process input files", NULL,
4387 0, 0
4388 },
4389 {
45569d72 4390 FK_DEBUG, FK_NONE, debugFlag,
4391 "showsourceloc",
4392 FLG_SHOWSOURCELOC,
4393 "display the source code location where a warning is produced", NULL,
bb7c2085 4394 0, 0
4395 },
28bf4b0b 4396} ;
bb7c2085 4397
4398
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