Function UTIL_chmod

freebsd/contrib/zstd/programs/util.c:151–160

like chmod, but avoid changing permission of /dev/null */

/* like chmod, but avoid changing permission of /dev/null */
int UTIL_chmod(char const* filename, const stat_t* statbuf, mode_t permissions)
{
    stat_t localStatBuf;
    if (statbuf == NULL) {
        if (!UTIL_stat(filename, &localStatBuf)) return 0;
        statbuf = &localStatBuf;
    }
    if (!UTIL_isRegularFileStat(statbuf)) return 0; /* pretend success, but don't change anything */
    return chmod(filename, permissions);
}

int UTIL_setFileStat(const char *filename, const stat_t *statbuf)
{