chinky/rtt-f030
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set ENOMEM when malloc failed.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1156 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-11-30 06:58:37 +00:00
parent e5eac973a8
commit 48738e864f
1 changed files with 27 additions and 13 deletions
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40
components/libc/newlib/syscalls.c
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@ -195,18 +195,42 @@ _gettimeofday_r(struct _reent *ptr, struct timeval *__tp, void *__tzp)
void *
_malloc_r (struct _reent *ptr, size_t size)
{
return (void*)rt_malloc (size);
void* result;
result = (void*)rt_malloc (size);
if (result == RT_NULL)
{
ptr->_errno = ENOMEM;
}
return result;
}
void *
_realloc_r (struct _reent *ptr, void *old, size_t newlen)
{
return (void*)rt_realloc (old, newlen);
void* result;
result = (void*)rt_realloc (old, newlen);
if (result == RT_NULL)
{
ptr->_errno = ENOMEM;
}
return result;
}
void *_calloc_r (struct _reent *ptr, size_t size, size_t len)
{
return (void*)rt_calloc (size, len);
void* result;
result = (void*)rt_calloc (size, len);
if (result == RT_NULL)
{
ptr->_errno = ENOMEM;
}
return result;
}
void
@ -215,19 +239,9 @@ _free_r (struct _reent *ptr, void *addr)
rt_free (addr);
}
#if 0
void __assert(const char *file, int line, const char *failedexpr)
{
rt_kprintf("assertion \"%s\" failed: file \"%s\", line %d\n",
failedexpr, file, line);
RT_ASSERT(0);
}
#endif
void
_exit (int status)
{
rt_kprintf("thread:%s exit with %d\n", rt_thread_self()->name, status);
RT_ASSERT(0);
}