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- /* hash.h - for hash.c
- Copyright (C) 1987, 1992 Free Software Foundation, Inc.
-
- This file is part of GAS, the GNU Assembler.
-
- GAS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GAS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #ifndef hashH
- #define hashH
-
- struct hash_entry
- {
- const char *hash_string; /* points to where the symbol string is */
- /* NULL means slot is not used */
- /* DELETED means slot was deleted */
- PTR hash_value; /* user's datum, associated with symbol */
- };
-
-
- #define HASH_STATLENGTH (6)
- struct hash_control
- {
- struct hash_entry *hash_where;/* address of hash table */
- int hash_sizelog; /* Log of ( hash_mask + 1 ) */
- int hash_mask; /* masks a hash into index into table */
- int hash_full; /* when hash_stat[STAT_USED] exceeds this, */
- /* grow table */
- struct hash_entry *hash_wall; /* point just after last (usable) entry */
- /* here we have some statistics */
- int hash_stat[HASH_STATLENGTH]; /* lies & statistics */
- /* we need STAT_USED & STAT_SIZE */
- };
-
-
- /* returns control block */
- struct hash_control *hash_new PARAMS ((void));
- void hash_die PARAMS ((struct hash_control *));
- void hash_say PARAMS ((struct hash_control *, int *buffer, int bufsiz));
- /* returns previous value */
- PTR hash_delete PARAMS ((struct hash_control *, const char *str));
- /* returns previous value */
- PTR hash_replace PARAMS ((struct hash_control *, const char *str, PTR val));
- /* returns error string or null */
- const char *hash_insert PARAMS ((struct hash_control *, const char *str,
- PTR val));
- /* return of 0 means OK */
- char *hash_apply PARAMS ((struct hash_control *,
- char *(*fn) (const char *str, PTR val)));
- /* returns value */
- PTR hash_find PARAMS ((struct hash_control *, const char *str));
- /* returns error text or null (internal) */
- const char *hash_jam PARAMS ((struct hash_control *, const char *str,
- PTR val));
- #endif /* #ifdef hashH */
-
- /* end of hash.c */
-