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