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/*=============================================================================*\
* File: gfsmUtils.c
* Author: Bryan Jurish <moocow@ling.uni-potsdam.de>
* Description: finite state machine library
*
* Copyright (c) 2004 Bryan Jurish.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*=============================================================================*/
#include <glib.h>
#include <gfsmUtils.h>
#include <gfsmError.h>
#include <string.h>
#include <errno.h>
/*======================================================================
* glib utility functions
*/
/*--------------------------------------------------------------
* int_compare()
*/
gint gfsm_int_compare(gconstpointer a, gconstpointer b)
{
return (GPOINTER_TO_INT(b) - GPOINTER_TO_INT(a));
}
/*--------------------------------------------------------------
* int_compare_data()
*/
gint gfsm_int_compare_data(gconstpointer a, gconstpointer b, gpointer data)
{
return (GPOINTER_TO_INT(b) - GPOINTER_TO_INT(a));
}
/*--------------------------------------------------------------
* uint_compare()
*/
#define gfsm_uint_compare_code(a,b) \
( GPOINTER_TO_UINT(a) < GPOINTER_TO_UINT(b) ? (-1) : (GPOINTER_TO_UINT(a) == GPOINTER_TO_UINT(b) ? 0 : 1) )
//( (gint) ((glong((guint)b)) - (glong((guint)a))) );
gint gfsm_uint_compare(gconstpointer a, gconstpointer b)
{
return gfsm_uint_compare_code(GPOINTER_TO_UINT(a),GPOINTER_TO_UINT(b));
}
/*--------------------------------------------------------------
* uint_compare_data()
*/
gint gfsm_uint_compare_data(gconstpointer a, gconstpointer b, gpointer data)
{
return gfsm_uint_compare_code(a,b);
}
/*======================================================================
* Hash Utilties
*/
/*--------------------------------------------------------------
* gfsm_hash_clear_func()
*/
gboolean gfsm_hash_clear_func (gpointer key, gpointer value, gpointer user_data)
{ return TRUE; };
/*======================================================================
* File Utilties
*/
/*--------------------------------------------------------------
* open_filename()
*/
FILE *gfsm_open_filename(const char *filename, const char *mode, gfsmError **errp)
{
FILE *f;
if (strcmp(filename,"-")==0) {
if (strchr(mode,'w')) f = stdout;
else f = stdin;
}
else if (!(f = fopen(filename,mode))) {
g_set_error(errp,
g_quark_from_static_string("gfsm"), //-- domain
g_quark_from_static_string("fopen"), //-- code
"open failed for file '%s': %s",
filename, strerror(errno));
}
return f;
}
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