This patch makes tcc ignore them. Normally (as per the C standard), They should be only applicable inside parameter arrays and affect (const/restrict) the pointer the array gets converted to. [matz: fix formatting, add volatile handling, add testcase, add comment about above deficiency]
Unified · Split
| @@ -4348,8 +4348,23 @@ static int post_type(CType *type, AttributeDef *ad, int storage, int td) · 4347 unmodified lines | ||
| 4348 | 4348 | int saved_nocode_wanted = nocode_wanted; |
| 4349 | 4349 | /* array definition */ |
| 4350 | 4350 | next(); |
| 4351 | − if (tok == TOK_RESTRICT1) | |
| 4352 | − next(); | |
| 4351 | + while (1) { | |
| 4352 | + /* XXX The optional type-quals and static should only be accepted | |
| 4353 | + in parameter decls. The '*' as well, and then even only | |
| 4354 | + in prototypes (not function defs). */ | |
| 4355 | + switch (tok) { | |
| 4356 | + case TOK_RESTRICT1: case TOK_RESTRICT2: case TOK_RESTRICT3: | |
| 4357 | + case TOK_CONST1: | |
| 4358 | + case TOK_VOLATILE1: | |
| 4359 | + case TOK_STATIC: | |
| 4360 | + case '*': | |
| 4361 | + next(); | |
| 4362 | + continue; | |
| 4363 | + default: | |
| 4364 | + break; | |
| 4365 | + } | |
| 4366 | + break; | |
| 4367 | + } | |
| 4353 | 4368 | n = -1; |
| 4354 | 4369 | t1 = 0; |
| 4355 | 4370 | if (tok != ']') { |
| @@ -0,0 +1,34 @@ | ||
| 1 | +void foo(int [5]); | |
| 2 | +void fooc(int x[const 5]); | |
| 3 | +void foos(int x[static 5]); | |
| 4 | +void foov(int x[volatile 5]); | |
| 5 | +void foor(int x[restrict 5]); | |
| 6 | +void fooc(int [const 5]); | |
| 7 | +void foos(int [static 5]); | |
| 8 | +void foov(int [volatile 5]); | |
| 9 | +void foor(int [restrict 5]); | |
| 10 | +void fooc(int (* const x)); | |
| 11 | +void foos(int *x); | |
| 12 | +void foov(int * volatile x); | |
| 13 | +void foor(int * restrict x); | |
| 14 | +void fooc(int x[volatile 5]) | |
| 15 | +{ | |
| 16 | + x[3] = 42; | |
| 17 | +#ifdef INVALID | |
| 18 | + x = 0; | |
| 19 | +#endif | |
| 20 | +} | |
| 21 | +void foovm(int x[const *]); | |
| 22 | +void foovm(int * const x); | |
| 23 | +#ifdef INVALID | |
| 24 | +void wrongc(int x[3][const 4]); | |
| 25 | +void wrongvm(int x[static *]); | |
| 26 | +void foovm(int x[const *]) | |
| 27 | +{ | |
| 28 | + x[2] = 1; | |
| 29 | +} | |
| 30 | +#endif | |
| 31 | +int main() | |
| 32 | +{ | |
| 33 | + return 0; | |
| 34 | +} | |
Empty file added.