| Nuno Lopes | 587de5b | 2012-05-24 00:22:00 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | |
| 3 | void* my_malloc(unsigned char) __attribute__((alloc_size(1))); |
| 4 | void* my_calloc(unsigned char, short) __attribute__((alloc_size(1,2))); |
| 5 | void* my_realloc(void*, unsigned) __attribute__((alloc_size(2))); |
| 6 | |
| 7 | |
| Aaron Ballman | b3d7efe | 2013-07-30 00:48:57 +0000 | [diff] [blame] | 8 | void* fn1(int) __attribute__((alloc_size("xpto"))); // expected-error{{'alloc_size' attribute requires parameter 1 to be an integer constant}} |
| Nuno Lopes | 587de5b | 2012-05-24 00:22:00 +0000 | [diff] [blame] | 9 | |
| Aaron Ballman | 9f939f7 | 2013-07-30 14:10:17 +0000 | [diff] [blame] | 10 | void* fn2(void*) __attribute__((alloc_size(1))); // expected-error{{'alloc_size' attribute requires an integer constant}} |
| Nuno Lopes | 587de5b | 2012-05-24 00:22:00 +0000 | [diff] [blame] | 11 | |
| 12 | void* fn3(unsigned) __attribute__((alloc_size(0))); // expected-error{{attribute parameter 1 is out of bounds}} |
| 13 | void* fn4(unsigned) __attribute__((alloc_size(2))); // expected-error{{attribute parameter 1 is out of bounds}} |
| 14 | |
| 15 | void fn5(unsigned) __attribute__((alloc_size(1))); // expected-warning{{only applies to functions that return a pointer}} |
| 16 | char fn6(unsigned) __attribute__((alloc_size(1))); // expected-warning{{only applies to functions that return a pointer}} |
| 17 | |
| 18 | void* fn7(unsigned) __attribute__((alloc_size)); // expected-error {{attribute takes at least 1 argument}} |
| 19 | |
| Nuno Lopes | 96c67d1 | 2012-06-18 16:27:56 +0000 | [diff] [blame] | 20 | void *fn8(int, int) __attribute__((alloc_size(1, 1))); // OK |
| Nuno Lopes | 587de5b | 2012-05-24 00:22:00 +0000 | [diff] [blame] | 21 | |
| Eli Friedman | b3da613 | 2013-07-23 00:25:18 +0000 | [diff] [blame] | 22 | void* fn9(unsigned) __attribute__((alloc_size(12345678901234567890123))); // expected-error {{integer constant is larger than the largest unsigned integer type}} // expected-error {{attribute parameter 1 is out of bounds}} |
| Nuno Lopes | 174930d | 2012-06-18 16:39:04 +0000 | [diff] [blame] | 23 | |
| 24 | void* fn10(size_t, size_t) __attribute__((alloc_size(1,2))); // expected-error{{redefinition of parameter}} \ |
| 25 | // expected-error{{a parameter list without types is only allowed in a function definition}} \ |
| Argyrios Kyrtzidis | d5668a2 | 2013-02-22 06:58:32 +0000 | [diff] [blame] | 26 | // expected-error{{attribute parameter 1 is out of bounds}} |
| Argyrios Kyrtzidis | 28965bf | 2013-02-22 06:58:28 +0000 | [diff] [blame] | 27 | void* fn11() __attribute__((alloc_size(1))); // expected-error{{attribute parameter 1 is out of bounds}} |