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- In libunix.a malloc(), calloc() and realloc() no longer treat a

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request to allocate 0 bytes as an error, returning NULL. They all
  return a 1 byte memory chunk initialized to 0 instead.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15064 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2005-11-20 17:00:22 +00:00
parent fe29857567
commit 0459ea1fc9
7 changed files with 59 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
library/stdlib_calloc.c
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@@ -1,5 +1,5 @@
/*
* $Id: stdlib_calloc.c,v 1.5 2005-03-18 12:38:23 obarthel Exp $
* $Id: stdlib_calloc.c,v 1.6 2005-11-20 17:00:22 obarthel Exp $
*
* :ts=4
*
@@ -51,6 +51,7 @@ __static void *
__calloc(size_t num_elements,size_t element_size,const char * file,int line)
{
void * result = NULL;
size_t total_size;
#ifdef __MEM_DEBUG
{
@@ -58,24 +59,13 @@ __calloc(size_t num_elements,size_t element_size,const char * file,int line)
}
#endif /* __MEM_DEBUG */
assert( (int)num_elements >= 0 && (int)element_size >= 0 );
total_size = num_elements * element_size;
if(num_elements > 0 && element_size > 0)
{
size_t total_size;
total_size = num_elements * element_size;
result = __malloc(total_size,file,line);
if(result != NULL)
memset(result,0,total_size);
else
SHOWMSG("memory allocation failure");
}
result = __malloc(total_size,file,line);
if(result != NULL)
memset(result,0,total_size);
else
{
SHOWMSG("zero length allocation");
}
SHOWMSG("memory allocation failure");
return(result);
}