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