+ simdb_record_bitmap()

src/database.c

@@ -317,6 +317,26 @@ simdb_record_del(simdb_t *db, int num) {
   return num;
 }
 
+int
+simdb_record_bitmap(simdb_t *db, int num, char **map, size_t *side) {
+  simdb_urec_t *rec;
+  int ret = 0;
+
+  assert(db != NULL);
+
+  if (num < 0 || map == NULL || side == NULL)
+    return SIMDB_ERR_USAGE;
+
+  if ((ret = simdb_read(db, num, 1, &rec)) <= 0)
+    return ret;
+
+  ret = simdb_bitmap_unpack(rec->bitmap, map);
+  *side = SIMDB_BITMAP_SIDE;
+
+  FREE(rec);
+  return ret;
+}
+
 int
 simdb_records_count(simdb_t * const db) {
   assert(db != NULL);

src/simdb.h

@@ -160,6 +160,19 @@ int simdb_record_add(simdb_t *db, int num, const char *path, int flags);
  */
 int simdb_record_del(simdb_t *db, int num);
 
+/**
+ * @brief Get record bitmap
+ * @param db  Database handle
+ * @param num Number of record to get bitmap
+ * @param bitmap Pointer to storage for bitmap (allocated)
+ * @param side   Pointer to storage for bitmap side length
+ * @retval <0 on error
+ * @retval  0 if record not exists
+ * @retval >0 on success (this is size of allocated bitmap in bytes)
+ * @note Don't forget to free() bitmap on success
+ */
+int simdb_record_bitmap(simdb_t *db, int num, char **map, size_t *side);
+
 /**
  * @brief Get database capacity
  */