|  | /* | 
|  | * 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; | 
|  | } |