Merge tag 'for-linus-20140905' of git://git.infradead.org/linux-mtd
[deliverable/linux.git] / tools / perf / util / wrapper.c
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1/*
2 * Various trivial helper wrappers around standard functions
3 */
4#include "cache.h"
5
6/*
7 * There's no pack memory to release - but stay close to the Git
8 * version so wrap this away:
9 */
1d037ca1
IT
10static inline void release_pack_memory(size_t size __maybe_unused,
11 int flag __maybe_unused)
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12{
13}
14
15char *xstrdup(const char *str)
16{
17 char *ret = strdup(str);
18 if (!ret) {
19 release_pack_memory(strlen(str) + 1, -1);
20 ret = strdup(str);
21 if (!ret)
22 die("Out of memory, strdup failed");
23 }
24 return ret;
25}
26
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27void *xrealloc(void *ptr, size_t size)
28{
29 void *ret = realloc(ptr, size);
30 if (!ret && !size)
31 ret = realloc(ptr, 1);
32 if (!ret) {
33 release_pack_memory(size, -1);
34 ret = realloc(ptr, size);
35 if (!ret && !size)
36 ret = realloc(ptr, 1);
37 if (!ret)
38 die("Out of memory, realloc failed");
39 }
40 return ret;
41}
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