Function prepare_cached

src/store/store.c:200–215

Prepare a statement (cached). If already prepared, reset+clear. */

/* Prepare a statement (cached). If already prepared, reset+clear. */
static sqlite3_stmt *prepare_cached(cbm_store_t *s, sqlite3_stmt **slot, const char *sql) {
    if (!s || !s->db) {
        return NULL;
    }
    if (*slot) {
        sqlite3_reset(*slot);
        sqlite3_clear_bindings(*slot);
        return *slot;
    }
    int rc = sqlite3_prepare_v2(s->db, sql, CBM_NOT_FOUND, slot, NULL);
    if (rc != SQLITE_OK) {
        store_set_error_sqlite(s, "prepare");
        return NULL;
    }
    return *slot;
}

/* Get ISO-8601 timestamp. */
static void iso_now(char *buf, size_t sz) {