Function make_temp_db

tests/test_sqlite_writer.c:20–27

/* ── Helper: create temp file path ─────────────────────────────── */

static int make_temp_db(char *path, size_t pathsz) {
    snprintf(path, pathsz, "/tmp/cbm_sw_test_XXXXXX");
    int fd = cbm_mkstemp(path);
    if (fd < 0)
        return -1;
    close(fd);
    return 0;
}

static int assert_node_name(sqlite3 *db, const char *expected) {
    sqlite3_stmt *stmt = NULL;