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- Preliminary tree code

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- added a key enumerator to hashtables (similar to value enumerator,
  just that it enumerates all keys in the hash)
This commit is contained in:
dan
2001-01-11 02:35:21 +00:00
parent 9a43af3d83
commit a7ec9dab95
4 changed files with 226 additions and 1 deletions
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27
WINGs/hashtable.c
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@@ -361,6 +361,33 @@ WMNextHashEnumeratorItem(WMHashEnumerator *enumerator)
}
void*
WMNextHashEnumeratorKey(WMHashEnumerator *enumerator)
{
const void *key = NULL;
/* this assumes the table doesn't change between
* WMEnumerateHashTable() and WMNextHashEnumeratorKey() calls */
if (enumerator->nextItem==NULL) {
HashTable *table = enumerator->table;
while (++enumerator->index < table->size) {
if (table->table[enumerator->index]!=NULL) {
enumerator->nextItem = table->table[enumerator->index];
break;
}
}
}
if (enumerator->nextItem) {
key = ((HashItem*)enumerator->nextItem)->key;
enumerator->nextItem = ((HashItem*)enumerator->nextItem)->next;
}
return (void*)key;
}
unsigned
WMCountHashTable(WMHashTable *table)
{