Function th_mktempdir

tests/test_helpers.h:134–148

Create a temporary directory. Returns static buffer with path. * Pattern: prefix is used as part of the dirname. */

/* Create a temporary directory. Returns static buffer with path.
 * Pattern: prefix is used as part of the dirname. */
static inline char *th_mktempdir(const char *prefix) {
    static char buf[256];
#ifdef _WIN32
    const char *tmp = getenv("TEMP");
    if (!tmp) tmp = getenv("TMP");
    if (!tmp) tmp = "C:\\Temp";
    snprintf(buf, sizeof(buf), "%s\\%s_XXXXXX", tmp, prefix);
#else
    snprintf(buf, sizeof(buf), "/tmp/%s_XXXXXX", prefix);
#endif
    if (!cbm_mkdtemp(buf)) {
        return NULL;
    }
    return buf;
}

/* ── File permissions (no-op on Windows) ──────────────────────── */