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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  */
release_pack_memory(size_t size __maybe_unused,int flag __maybe_unused)10 static inline void release_pack_memory(size_t size __maybe_unused,
11 				       int flag __maybe_unused)
12 {
13 }
14 
xstrdup(const char * str)15 char *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 
xrealloc(void * ptr,size_t size)27 void *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 }
42