wrapper.c

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/*
 * 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 __maybe_unused,
                       int flag __maybe_unused)
{
}

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;
}