(svn r20883) -Codechange: Make Hash_Delete a method.

This commit is contained in:
alberth 2010-10-02 19:42:42 +00:00
parent 15b784471e
commit f185a35269
3 changed files with 13 additions and 12 deletions

View File

@ -61,7 +61,7 @@ OpenListNode *AyStar::OpenListPop()
/* Return the item the Queue returns.. the best next OpenList item. */
OpenListNode *res = (OpenListNode*)this->OpenListQueue.Pop();
if (res != NULL) {
Hash_Delete(&this->OpenListHash, res->path.node.tile, res->path.node.direction);
this->OpenListHash.DeleteValue(res->path.node.tile, res->path.node.direction);
}
return res;

View File

@ -427,11 +427,16 @@ static HashNode *Hash_FindNode(const Hash *h, uint key1, uint key2, HashNode** p
return result;
}
void *Hash_Delete(Hash *h, uint key1, uint key2)
/**
* Deletes the value with the specified key pair from the hash and returns
* that value. Returns NULL when the value was not present. The value returned
* is _not_ free()'d!
*/
void *Hash::DeleteValue(uint key1, uint key2)
{
void *result;
HashNode *prev; // Used as output var for below function call
HashNode *node = Hash_FindNode(h, key1, key2, &prev);
HashNode *node = Hash_FindNode(this, key1, key2, &prev);
if (node == NULL) {
/* not found */
@ -452,8 +457,8 @@ void *Hash_Delete(Hash *h, uint key1, uint key2)
} else {
/* This was the last in this bucket
* Mark it as empty */
uint hash = h->hash(key1, key2);
h->buckets_in_use[hash] = false;
uint hash = this->hash(key1, key2);
this->buckets_in_use[hash] = false;
}
} else {
/* It is in another node
@ -466,7 +471,7 @@ void *Hash_Delete(Hash *h, uint key1, uint key2)
free(node);
#endif
}
if (result != NULL) h->size--;
if (result != NULL) this->size--;
return result;
}

View File

@ -89,6 +89,8 @@ struct Hash {
void *Get(uint key1, uint key2) const;
void *Set(uint key1, uint key2, void *value);
void *DeleteValue(uint key1, uint key2);
/**
* Gets the current size of the hash.
*/
@ -100,12 +102,6 @@ struct Hash {
/* Call these function to manipulate a hash */
/**
* Deletes the value with the specified key pair from the hash and returns
* that value. Returns NULL when the value was not present. The value returned
* is _not_ free()'d!
*/
void *Hash_Delete(Hash *h, uint key1, uint key2);
/* Call these function to create/destroy a hash */