comparison: src/map.c
src/map.c
- changeset 1579
- 0393c67556ec
- parent 1479
- ac1baaed2fd7
- child 1587
- 7156d6699410
equal
deleted
inserted
replaced
| 1578:fb73c4d69317 | 1579:0393c67556ec |
|---|---|
| 324 } | 324 } |
| 325 | 325 |
| 326 int cxMapUnionSimple(CxMap *dst, const CxMap *src) { | 326 int cxMapUnionSimple(CxMap *dst, const CxMap *src) { |
| 327 return cxMapUnion(dst, src, use_simple_clone_func(src)); | 327 return cxMapUnion(dst, src, use_simple_clone_func(src)); |
| 328 } | 328 } |
| 329 | |
| 330 int cxMapCompare(const CxMap *map, const CxMap *other) { | |
| 331 // compare map sizes | |
| 332 const size_t size_left = cxMapSize(map); | |
| 333 const size_t size_right = cxMapSize(other); | |
| 334 if (size_left < size_right) { | |
| 335 return -1; | |
| 336 } else if (size_left > size_right) { | |
| 337 return 1; | |
| 338 } | |
| 339 | |
| 340 // iterate through the first map | |
| 341 CxMapIterator iter = cxMapIterator(map); | |
| 342 cx_foreach(const CxMapEntry *, entry, iter) { | |
| 343 const void *value_left = entry->value; | |
| 344 const void *value_right = cxMapGet(other, *entry->key); | |
| 345 // if the other map does not have the key, we are done | |
| 346 if (value_right == NULL) { | |
| 347 return -1; | |
| 348 } | |
| 349 // compare the values | |
| 350 const int d = map->collection.cmpfunc(value_left, value_right); | |
| 351 if (d != 0) { | |
| 352 return d; | |
| 353 } | |
| 354 } | |
| 355 | |
| 356 return 0; | |
| 357 } |
