buildtools/jam/hash.h

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/*
* Copyright 1993, 1995 Christopher Seiwald.
*
* This file is part of Jam - see jam.c for Copyright information.
*/
/*
* hash.h - simple in-memory hashing routines
*
* 11/04/02 (seiwald) - const-ing for string literals
*/
typedef struct hashdata HASHDATA;
struct hash * hashinit( int datalen, const char *name );
int hashitem( struct hash *hp, HASHDATA **data, int enter );
void hashdone( struct hash *hp );
# define hashenter( hp, data ) !hashitem( hp, data, !0 )
# define hashcheck( hp, data ) hashitem( hp, data, 0 )