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zmalloc api set malloc attributes for api giving non aliased pointers. (#11196)

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micro optimizations, giving the hints that the returned addresses
 are guaranteed to be unique. The alloc_size attribute gives an extra hint
 about the source of the size, useful mostly for calloc-like calls or when there
 are extra arguments.
This commit is contained in:
David CARLIER 2022-09-05 14:09:28 +01:00 committed by GitHub
parent c66eaf4e4a
commit 22f763aa10
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 15 deletions
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30
src/zmalloc.h
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@ -96,22 +96,22 @@
#define HAVE_DEFRAG
#endif
void *zmalloc(size_t size);
void *zcalloc(size_t size);
void *zcalloc_num(size_t num, size_t size);
void *zrealloc(void *ptr, size_t size);
void *ztrymalloc(size_t size);
void *ztrycalloc(size_t size);
void *ztryrealloc(void *ptr, size_t size);
__attribute__((malloc)) void *zmalloc(size_t size);
__attribute__((malloc)) void *zcalloc(size_t size);
__attribute__((malloc)) __attribute((alloc_size(1,2))) void *zcalloc_num(size_t num, size_t size);
__attribute__((alloc_size(2))) void *zrealloc(void *ptr, size_t size);
__attribute__((malloc)) void *ztrymalloc(size_t size);
__attribute__((malloc)) void *ztrycalloc(size_t size);
__attribute__((alloc_size(2))) void *ztryrealloc(void *ptr, size_t size);
void zfree(void *ptr);
void *zmalloc_usable(size_t size, size_t *usable);
void *zcalloc_usable(size_t size, size_t *usable);
void *zrealloc_usable(void *ptr, size_t size, size_t *usable);
void *ztrymalloc_usable(size_t size, size_t *usable);
void *ztrycalloc_usable(size_t size, size_t *usable);
void *ztryrealloc_usable(void *ptr, size_t size, size_t *usable);
__attribute__((malloc)) __attribute__((alloc_size(1))) void *zmalloc_usable(size_t size, size_t *usable);
__attribute__((malloc)) __attribute__((alloc_size(1))) void *zcalloc_usable(size_t size, size_t *usable);
__attribute__((alloc_size(2))) void *zrealloc_usable(void *ptr, size_t size, size_t *usable);
__attribute__((malloc)) __attribute__((alloc_size(1))) void *ztrymalloc_usable(size_t size, size_t *usable);
__attribute__((malloc)) __attribute__((alloc_size(1))) void *ztrycalloc_usable(size_t size, size_t *usable);
__attribute__((alloc_size(2))) void *ztryrealloc_usable(void *ptr, size_t size, size_t *usable);
void zfree_usable(void *ptr, size_t *usable);
char *zstrdup(const char *s);
__attribute__((malloc)) char *zstrdup(const char *s);
size_t zmalloc_used_memory(void);
void zmalloc_set_oom_handler(void (*oom_handler)(size_t));
size_t zmalloc_get_rss(void);
@ -126,7 +126,7 @@ void zmadvise_dontneed(void *ptr);
#ifdef HAVE_DEFRAG
void zfree_no_tcache(void *ptr);
void *zmalloc_no_tcache(size_t size);
__attribute__((malloc)) void *zmalloc_no_tcache(size_t size);
#endif
#ifndef HAVE_MALLOC_SIZE