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alloc: xmalloc and xrealloc can't return null

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With this annotation/function attribute, we can inform gcc that these
functions never return null, which can save a lot of redundant null checks.
This commit is contained in:
Nicolas Hillegeer 2014-03-31 19:09:54 +02:00 committed by Thiago de Arruda
parent 22e17e25f1
commit 7b14caf604
1 changed files with 3 additions and 2 deletions
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5
src/misc2.h
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@ -29,9 +29,10 @@ char_u *alloc_clear(unsigned size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
char_u *alloc_check(unsigned size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
char_u *lalloc_clear(long_u size, int message) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
void try_to_free_memory();
void *xmalloc(size_t size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
void *xmalloc(size_t size)
FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1) FUNC_ATTR_NONNULL_RET;
void *xrealloc(void *ptr, size_t size)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALLOC_SIZE(2);
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALLOC_SIZE(2) FUNC_ATTR_NONNULL_RET;
char_u *lalloc(long_u size, int message) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1);
void do_outofmem_msg(long_u size);
void free_all_mem(void);