/* hash.c -- gas hash table code
Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
- 2000, 2001, 2002, 2003, 2005
+ 2000, 2001, 2002, 2003, 2005, 2007, 2008
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)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
table. */
unsigned long hash;
/* Pointer being stored in the hash table. */
- PTR data;
+ void *data;
};
/* A hash table. */
hash table. */
const char *
-hash_insert (struct hash_control *table, const char *key, PTR value)
+hash_insert (struct hash_control *table, const char *key, void *value)
{
struct hash_entry *p;
struct hash_entry **list;
++table->insertions;
#endif
- p = (struct hash_entry *) obstack_alloc (&table->memory, sizeof (*p));
+ p = obstack_alloc (&table->memory, sizeof (*p));
p->string = key;
p->hash = hash;
p->data = value;
error. If an entry already exists, its value is replaced. */
const char *
-hash_jam (struct hash_control *table, const char *key, PTR value)
+hash_jam (struct hash_control *table, const char *key, void *value)
{
struct hash_entry *p;
struct hash_entry **list;
++table->insertions;
#endif
- p = (struct hash_entry *) obstack_alloc (&table->memory, sizeof (*p));
+ p = obstack_alloc (&table->memory, sizeof (*p));
p->string = key;
p->hash = hash;
p->data = value;
value stored for the entry. If the entry is not found in the hash
table, this does nothing and returns NULL. */
-PTR
-hash_replace (struct hash_control *table, const char *key, PTR value)
+void *
+hash_replace (struct hash_control *table, const char *key, void *value)
{
struct hash_entry *p;
- PTR ret;
+ void *ret;
p = hash_lookup (table, key, strlen (key), NULL, NULL);
if (p == NULL)
/* Find an entry in a hash table, returning its value. Returns NULL
if the entry is not found. */
-PTR
+void *
hash_find (struct hash_control *table, const char *key)
{
struct hash_entry *p;
/* As hash_find, but KEY is of length LEN and is not guaranteed to be
NUL-terminated. */
-PTR
+void *
hash_find_n (struct hash_control *table, const char *key, size_t len)
{
struct hash_entry *p;
/* Delete an entry from a hash table. This returns the value stored
for that entry, or NULL if there is no such entry. */
-PTR
-hash_delete (struct hash_control *table, const char *key)
+void *
+hash_delete (struct hash_control *table, const char *key, int freeme)
{
struct hash_entry *p;
struct hash_entry **list;
*list = p->next;
- /* Note that we never reclaim the memory for this entry. If gas
- ever starts deleting hash table entries in a big way, this will
- have to change. */
+ if (freeme)
+ obstack_free (&table->memory, p);
return p->data;
}
void
hash_traverse (struct hash_control *table,
- void (*pfn) (const char *key, PTR value))
+ void (*pfn) (const char *key, void *value))
{
unsigned int i;