MaJam: hash.h Source File

00001 /*
00002  * Copyright 1993, 1995 Christopher Seiwald.
00003  *
00004  * This file is part of Jam - see jam.c for Copyright information.
00005  */
00006 
00007 /*
00008  * hash.h - simple in-memory hashing routines 
00009  *
00010  * Changes:
00011  *
00012  * 11/04/02 (seiwald) - const-ing for string literals
00013  */
00014 
00015 typedef struct hashdata HASHDATA;
00016 
00017 struct hash*hash_init( int datalen, const char *name );
00018 int         hash_item( struct hash *hp, HASHDATA **data, int enter );
00019 void        hash_done( struct hash *hp );
00020 
00021 /* I guess this was too hard to comment by the original author */
00022 # define    hash_enter( hp, data ) !hash_item( hp, data, 1 )
00023 # define    hash_check( hp, data ) hash_item( hp, data, 0 )