lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-07 06:43:00 +03:00
Code Activity

Remove MALLOC_FAILURE_ACTION use in malloc

Browse Source
This commit is contained in:
Ulrich Drepper
2011-09-10 22:12:38 -04:00
parent 02d46fc4b9
commit 8e58439c92
3 changed files with 11 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
malloc/malloc.c
View File

@@ -184,7 +184,6 @@
USE_MALLOC_LOCK NOT defined
MALLOC_DEBUG NOT defined
REALLOC_ZERO_BYTES_FREES 1
MALLOC_FAILURE_ACTION errno = ENOMEM
TRIM_FASTBINS 0
Options for customizing MORECORE:
@@ -233,7 +232,7 @@ extern "C" {
#include <unistd.h>
#include <stdio.h> /* needed for malloc_stats */
#include <errno.h> /* needed for optional MALLOC_FAILURE_ACTION */
#include <errno.h>
/* For uintptr_t. */
#include <stdint.h>
@@ -478,20 +477,6 @@ void *(*__morecore)(ptrdiff_t) = __default_morecore;
({ __typeof (val) _v; asm ("" : "=r" (_v) : "0" (val)); _v; })
/*
MALLOC_FAILURE_ACTION is the action to take before "return 0" when
malloc fails to be able to return memory, either because memory is
exhausted or because of illegal arguments.
By default, sets errno if running on STD_C platform, else does nothing.
*/
#ifndef MALLOC_FAILURE_ACTION
#define MALLOC_FAILURE_ACTION \
errno = ENOMEM;
#endif
/*
MORECORE-related declarations. By default, rely on sbrk
*/
@@ -1401,7 +1386,7 @@ nextchunk-> +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
#define checked_request2size(req, sz) \
if (REQUEST_OUT_OF_RANGE(req)) { \
MALLOC_FAILURE_ACTION; \
__set_errno (ENOMEM); \
return 0; \
} \
(sz) = request2size(req);
@@ -2774,7 +2759,7 @@ static void* sYSMALLOc(INTERNAL_SIZE_T nb, mstate av)
}
/* catch all failure paths */
MALLOC_FAILURE_ACTION;
__set_errno (ENOMEM);
return 0;
}
@@ -3247,7 +3232,7 @@ public_cALLOc(size_t n, size_t elem_size)
(((INTERNAL_SIZE_T) 1) << (8 * sizeof (INTERNAL_SIZE_T) / 2))
if (__builtin_expect ((n | elem_size) >= HALF_INTERNAL_SIZE_T, 0)) {
if (elem_size != 0 && bytes / elem_size != n) {
MALLOC_FAILURE_ACTION;
__set_errno (ENOMEM);
return 0;
}
}