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2005-10-07 Bob Wilson <bob.wilson@acm.org>

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* libc/stdlib/mallocr.c (mALLOc, rEALLOCc, mEMALIGn): Set errno
        to ENOMEM on failure.
This commit is contained in:
Jeff Johnston
2005-10-07 18:07:26 +00:00
parent bc037f3a51
commit f011605a90
2 changed files with 17 additions and 0 deletions
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5
newlib/ChangeLog
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@@ -1,3 +1,8 @@
2005-10-07 Bob Wilson <bob.wilson@acm.org>
* libc/stdlib/mallocr.c (mALLOc, rEALLOCc, mEMALIGn): Set errno
to ENOMEM on failure.
2005-10-06 Ralf Corsepius <ralf.corsepius@rtems.org>
* libc/include/stdint.h: Add [u]int_fast<N>_t types.

12
newlib/libc/stdlib/mallocr.c
View File

@@ -268,6 +268,7 @@ extern "C" {
#include <stdio.h> /* needed for malloc_stats */
#include <limits.h> /* needed for overflow checks */
#include <errno.h> /* needed to set errno to ENOMEM */
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
@@ -335,6 +336,7 @@ extern void __malloc_unlock();
#define RDECL struct _reent *reent_ptr;
#endif
#define RERRNO reent_ptr->_errno
#define RCALL reent_ptr,
#define RONECALL reent_ptr
@@ -344,6 +346,7 @@ extern void __malloc_unlock();
#define RARG
#define RONEARG
#define RDECL
#define RERRNO errno
#define RCALL
#define RONECALL
@@ -2341,7 +2344,10 @@ Void_t* mALLOc(RARG bytes) RDECL size_t bytes;
/* Check for overflow and just fail, if so. */
if (nb > INT_MAX || nb < bytes)
{
RERRNO = ENOMEM;
return 0;
}
MALLOC_LOCK;
@@ -2804,7 +2810,10 @@ Void_t* rEALLOc(RARG oldmem, bytes) RDECL Void_t* oldmem; size_t bytes;
/* Check for overflow and just fail, if so. */
if (nb > INT_MAX || nb < bytes)
{
RERRNO = ENOMEM;
return 0;
}
#if HAVE_MMAP
if (chunk_is_mmapped(oldp))
@@ -3037,7 +3046,10 @@ Void_t* mEMALIGn(RARG alignment, bytes) RDECL size_t alignment; size_t bytes;
/* Check for overflow. */
if (nb > INT_MAX || nb < bytes)
{
RERRNO = ENOMEM;
return 0;
}
m = (char*)(mALLOc(RCALL nb + alignment + MINSIZE));