Function find_edges_generic

src/store/store.c:3211–3250

Generic: find multiple edges by a filter. */

/* Generic: find multiple edges by a filter. */
static int find_edges_generic(cbm_store_t *s, sqlite3_stmt **slot, const char *sql,
                              void (*bind_fn)(sqlite3_stmt *, const void *), const void *bind_data,
                              cbm_edge_t **out, int *count) {
    if (!s || !s->db) {
        *out = NULL;
        *count = 0;
        return CBM_STORE_ERR;
    }
    sqlite3_stmt *stmt = prepare_cached(s, slot, sql);
    if (!stmt) {
        return CBM_STORE_ERR;
    }

    bind_fn(stmt, bind_data);

    int cap = ST_INIT_CAP_16;
    int n = 0;
    cbm_edge_t *arr = malloc(cap * sizeof(cbm_edge_t));

    int scan_rc4;
    while ((scan_rc4 = sqlite3_step(stmt)) == SQLITE_ROW) {
        if (n >= cap) {
            cap *= ST_GROWTH;
            arr = safe_realloc(arr, cap * sizeof(cbm_edge_t));
        }
        scan_edge(stmt, &arr[n]);
        n++;
    }
    if (scan_rc4 != SQLITE_DONE) { /* SCANCHK:4:stmt */
        store_set_error_sqlite(s, "row scan aborted");
        cbm_store_free_edges(arr, n);
        *out = NULL;
        *count = 0;
        return CBM_STORE_ERR;
    }

    *out = arr;
    *count = n;
    return CBM_STORE_OK;
}

/* Bind helpers for edge queries */
typedef struct {