54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#ifndef _CHASH_H
|
|
#define _CHASH_H
|
|
|
|
|
|
struct chashentry
|
|
{
|
|
const char * key;
|
|
void * value;
|
|
unsigned long hash;
|
|
};
|
|
|
|
struct chashlist
|
|
{
|
|
int length;
|
|
struct chashentry items[0];
|
|
};
|
|
|
|
|
|
struct chash
|
|
{
|
|
int entryCount;
|
|
int allowMultiple;
|
|
int bucketCountPlace;
|
|
struct chashentry * buckets;
|
|
};
|
|
|
|
struct chash * GenerateHashTable( int allowMultiple );
|
|
|
|
void ** HashTableInsert( struct chash * hash, const char * key, int dontDupKey );
|
|
|
|
//returns # of entries removed.
|
|
int HashTableRemove( struct chash * hash, const char * key );
|
|
|
|
//returns 1 if entry was removed, 0 otherwise.
|
|
int HashTableRemoveSpecific( struct chash * hash, const char * key, void * value );
|
|
|
|
void HashDestroy( struct chash * hash, int deleteKeys );
|
|
|
|
//Gets a pointer to the pointer to day, allowing you to read or modify the entry.
|
|
//NOTE: This only returns one of the elements if multiple keys are allowed.
|
|
void ** HashUpdateEntry( struct chash * hash, const char * key );
|
|
|
|
//Returns the entry itself, if none found, returns 0.
|
|
void * HashGetEntry( struct chash * hash, const char * key );
|
|
|
|
//Get list of entries that match a given key.
|
|
struct chashlist * HashGetAllEntries( struct chash * hash, const char * key );
|
|
|
|
//Can tolerate an empty list.
|
|
struct chashlist * HashProduceSortedTable( struct chash * hash );
|
|
|
|
|
|
#endif
|