/* * Various trivial helper wrappers around standard functions */#include "cache.h" /* * There's no pack memory to release - but stay close to the Git * version so wrap this away: */static inline void release_pack_memory(size_t size __used, int flag __used){} char *xstrdup(const char *str){	char *ret = strdup(str);	if (!ret) {		release_pack_memory(strlen(str) + 1, -1);		ret = strdup(str);		if (!ret)			die("Out of memory, strdup failed");	}	return ret;} void *xrealloc(void *ptr, size_t size){	void *ret = realloc(ptr, size);	if (!ret && !size)		ret = realloc(ptr, 1);	if (!ret) {		release_pack_memory(size, -1);		ret = realloc(ptr, size);		if (!ret && !size)			ret = realloc(ptr, 1);		if (!ret)			die("Out of memory, realloc failed");	}	return ret;}