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use alloc_size attribute for guarded alloc functions with gcc.

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This commit is contained in:
Campbell Barton 2012-07-08 03:15:37 +00:00
parent 2c8db87897
commit 1d29ee0d3b
1 changed files with 12 additions and 4 deletions
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16
intern/guardedalloc/MEM_guardedalloc.h
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@ -71,6 +71,14 @@
# endif
#endif
#ifndef ALLOC_SIZE
# ifdef __GNUC__
# define ALLOC_SIZE(arg_pos) __attribute__((alloc_size(arg_pos)))
# else
# define ALLOC_SIZE(arg_pos)
# endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
@ -101,23 +109,23 @@ extern "C" {
* allocated block, the old one is freed. this is not as optimized
* as a system realloc but just makes a new allocation and copies
* over from existing memory. */
void *MEM_reallocN(void *vmemh, size_t len) WARN_UNUSED;
void *MEM_reallocN(void *vmemh, size_t len) WARN_UNUSED ALLOC_SIZE(2);
/**
* Allocate a block of memory of size len, with tag name str. The
* memory is cleared. The name must be static, because only a
* pointer to it is stored ! */
void *MEM_callocN(size_t len, const char * str) WARN_UNUSED;
void *MEM_callocN(size_t len, const char * str) WARN_UNUSED ALLOC_SIZE(1);
/** Allocate a block of memory of size len, with tag name str. The
* name must be a static, because only a pointer to it is stored !
* */
void *MEM_mallocN(size_t len, const char * str) WARN_UNUSED;
void *MEM_mallocN(size_t len, const char * str) WARN_UNUSED ALLOC_SIZE(1);
/** Same as callocN, clears memory and uses mmap (disk cached) if supported.
* Can be free'd with MEM_freeN as usual.
* */
void *MEM_mapallocN(size_t len, const char * str) WARN_UNUSED;
void *MEM_mapallocN(size_t len, const char * str) WARN_UNUSED ALLOC_SIZE(1);
/** Print a list of the names and sizes of all allocated memory
* blocks. as a python dict for easy investigation */