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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* generic utilities for hash tables */
/*
*
* Author :
* Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright 1999, 2000 Helix Code, Inc. (http://www.helixcode.com)
*
* This program 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 of the
* License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <ctype.h>
#include "glib.h"
#include "hash-table-utils.h"
/*
* free a (key/value) hash table pair.
* to be called in a g_hash_table_foreach()
* before g_hash_table_destroy().
*/
void
g_hash_table_generic_free (gpointer key, gpointer value, gpointer user_data)
{
g_free (key);
g_free (value);
}
/***/
/* use these two funcs for case insensitive hash table */
gint
g_strcase_equal (gconstpointer a, gconstpointer b)
{
return (g_strcasecmp ((gchar *)a, (gchar *)b) == 0);
}
/* modified g_str_hash from glib/gstring.c
because it would have been too slow to
us g_strdown() on the string */
/* a char* hash function from ASU */
guint
g_strcase_hash (gconstpointer v)
{
const char *s = (char*)v;
const char *p;
guint h=0, g;
for(p = s; *p != '\0'; p += 1) {
h = ( h << 4 ) + toupper(*p);
if ( ( g = h & 0xf0000000 ) ) {
h = h ^ (g >> 24);
h = h ^ g;
}
}
return h /* % M */;
}
/***/
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