comparison: src/kv_list.c
src/kv_list.c
- changeset 1383
- 3db28cb1e5ec
- parent 1382
- f61119884dcd
equal
deleted
inserted
replaced
| 1382:f61119884dcd | 1383:3db28cb1e5ec |
|---|---|
| 469 if (key.hash == 0) { | 469 if (key.hash == 0) { |
| 470 cx_hash_murmur(&key); | 470 cx_hash_murmur(&key); |
| 471 } | 471 } |
| 472 | 472 |
| 473 // check if the key is already assigned | 473 // check if the key is already assigned |
| 474 if (kv_list->map_methods->get(&kv_list->map->map_base.base, key) != NULL) { | 474 void *existing = kv_list->map_methods->get(&kv_list->map->map_base.base, key); |
| 475 // key is already assigned, we disallow re-assignment | 475 if (existing == node_data) { |
| 476 return 0; // nothing to do | |
| 477 } | |
| 478 if (existing != NULL) { | |
| 479 // the key is already assigned to another node, we disallow re-assignment | |
| 476 return 1; | 480 return 1; |
| 477 } | 481 } |
| 478 | 482 |
| 479 // add the key to the map; | 483 // add the key to the map; |
| 480 if (NULL == kv_list->map_methods->put(&kv_list->map->map_base.base, key, node_data)) { | 484 if (NULL == kv_list->map_methods->put(&kv_list->map->map_base.base, key, node_data)) { |
