6594d6b9c2
table entries, table allocation and control structure are larger now, but collisions are reduced and string compares even further reduced. Dump lots more statistics, especially hash code data, for --statistics. Dump statistics even in error cases. Details in ChangeLog.
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* hash.h - for hash.c
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Copyright (C) 1987, 1992 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef hashH
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#define hashH
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struct hash_entry
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{
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const char *hash_string; /* points to where the symbol string is */
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/* NULL means slot is not used */
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/* DELETED means slot was deleted */
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PTR hash_value; /* user's datum, associated with symbol */
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unsigned long h;
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};
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struct hash_control;
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/* returns control block */
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struct hash_control *hash_new PARAMS ((void));
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void hash_die PARAMS ((struct hash_control *));
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/* returns previous value */
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PTR hash_delete PARAMS ((struct hash_control *, const char *str));
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/* returns previous value */
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PTR hash_replace PARAMS ((struct hash_control *, const char *str, PTR val));
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/* returns error string or null */
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const char *hash_insert PARAMS ((struct hash_control *, const char *str,
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PTR val));
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/* returns value */
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PTR hash_find PARAMS ((struct hash_control *, const char *str));
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/* returns error text or null (internal) */
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const char *hash_jam PARAMS ((struct hash_control *, const char *str,
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PTR val));
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void hash_print_statistics PARAMS ((FILE *, const char *,
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struct hash_control *));
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#endif /* #ifdef hashH */
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/* end of hash.c */
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