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?alloc: do not return NULL when asked for zero bytes
author
Junio C Hamano
<junkio@cox.net>
Thu, 29 Dec 2005 09:31:26 +0000
(
01:31
-0800)
committer
Junio C Hamano
<junkio@cox.net>
Thu, 29 Dec 2005 09:33:40 +0000
(
01:33
-0800)
Signed-off-by: Junio C Hamano <junkio@cox.net>
git-compat-util.h
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82f9d58
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diff --git
a/git-compat-util.h
b/git-compat-util.h
index 0c98c9937df14bfa8be4f58cae84aa16029be883..c353b276f0464714a4c0220b20df6318a374e28e 100644
(file)
--- a/
git-compat-util.h
+++ b/
git-compat-util.h
@@
-63,6
+63,8
@@
extern char *gitstrcasestr(const char *haystack, const char *needle);
static inline void *xmalloc(size_t size)
{
void *ret = malloc(size);
static inline void *xmalloc(size_t size)
{
void *ret = malloc(size);
+ if (!ret && !size)
+ ret = malloc(1);
if (!ret)
die("Out of memory, malloc failed");
return ret;
if (!ret)
die("Out of memory, malloc failed");
return ret;
@@
-71,6
+73,8
@@
static inline void *xmalloc(size_t size)
static inline void *xrealloc(void *ptr, size_t size)
{
void *ret = realloc(ptr, size);
static inline void *xrealloc(void *ptr, size_t size)
{
void *ret = realloc(ptr, size);
+ if (!ret && !size)
+ ret = realloc(ptr, 1);
if (!ret)
die("Out of memory, realloc failed");
return ret;
if (!ret)
die("Out of memory, realloc failed");
return ret;
@@
-79,6
+83,8
@@
static inline void *xrealloc(void *ptr, size_t size)
static inline void *xcalloc(size_t nmemb, size_t size)
{
void *ret = calloc(nmemb, size);
static inline void *xcalloc(size_t nmemb, size_t size)
{
void *ret = calloc(nmemb, size);
+ if (!ret && (!nmemb || !size))
+ ret = calloc(1, 1);
if (!ret)
die("Out of memory, calloc failed");
return ret;
if (!ret)
die("Out of memory, calloc failed");
return ret;