1 /* hash.h -- header file for gas hash table routines
2 Copyright 1987, 1992, 1993, 1995, 1999, 2003, 2005, 2007, 2008, 2013
3 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
27 /* Set the size of the hash table used. */
29 void set_gas_hash_table_size (unsigned long);
31 /* Create a hash table. This return a control block. */
33 extern struct hash_control
*hash_new (void);
34 extern struct hash_control
*hash_new_sized (unsigned long);
36 /* Delete a hash table, freeing all allocated memory. */
38 extern void hash_die (struct hash_control
*);
40 /* Insert an entry into a hash table. This returns NULL on success.
41 On error, it returns a printable string indicating the error. It
42 is considered to be an error if the entry already exists in the
45 extern const char *hash_insert (struct hash_control
*,
46 const char *key
, void *value
);
48 /* Insert or replace an entry in a hash table. This returns NULL on
49 success. On error, it returns a printable string indicating the
50 error. If an entry already exists, its value is replaced. */
52 extern const char *hash_jam (struct hash_control
*,
53 const char *key
, void *value
);
55 /* Replace an existing entry in a hash table. This returns the old
56 value stored for the entry. If the entry is not found in the hash
57 table, this does nothing and returns NULL. */
59 extern void *hash_replace (struct hash_control
*, const char *key
,
62 /* Find an entry in a hash table, returning its value. Returns NULL
63 if the entry is not found. */
65 extern void *hash_find (struct hash_control
*, const char *key
);
67 /* As hash_find, but KEY is of length LEN and is not guaranteed to be
70 extern void *hash_find_n (struct hash_control
*, const char *key
, size_t len
);
72 /* Delete an entry from a hash table. This returns the value stored
73 for that entry, or NULL if there is no such entry. */
75 extern void *hash_delete (struct hash_control
*, const char *key
, int);
77 /* Traverse a hash table. Call the function on every entry in the
80 extern void hash_traverse (struct hash_control
*,
81 void (*pfn
) (const char *key
, void *value
));
83 /* Print hash table statistics on the specified file. NAME is the
84 name of the hash table, used for printing a header. */
86 extern void hash_print_statistics (FILE *, const char *name
,
87 struct hash_control
*);
This page took 0.031118 seconds and 4 git commands to generate.