common.c

Linux下的多协议即时通讯程序源代码

/* $Id: common.c 16856 2006-08-19 01:13:25Z evands $ */

/*
 *  (C) Copyright 2001-2002 Wojtek Kaniewski <[e-mail]>
 *                          Robert J. Wo糿y <[e-mail]>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License Version
 *  2.1 as published by the Free Software Foundation.
 *
 *  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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser 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.
 */

#ifndef _WIN32
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifdef sun
#  include <sys/filio.h>
#endif
#endif

#include <errno.h>
#include <fcntl.h>
#ifndef _WIN32
#include <netdb.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "libgadu.h"

FILE *gg_debug_file = NULL;

#ifndef GG_DEBUG_DISABLE

/*
 * gg_debug() // funkcja wewn阾rzna
 *
 * wy秝ietla komunikat o danym poziomie, o ile u縴tkownik sobie tego 縴czy.
 *
 *  - level - poziom wiadomo禼i
 *  - format... - tre舵 wiadomo禼i (kompatybilna z printf())
 */
void gg_debug(int level, const char *format, ...)
{
	va_list ap;
	int old_errno = errno;
	
	if (gg_debug_handler) {
		va_start(ap, format);
		(*gg_debug_handler)(level, format, ap);
		va_end(ap);

		goto cleanup;
	}
	
	if ((gg_debug_level & level)) {
		va_start(ap, format);
		vfprintf((gg_debug_file) ? gg_debug_file : stderr, format, ap);
		va_end(ap);
	}

cleanup:
	errno = old_errno;
}

#endif

/*
 * gg_vsaprintf() // funkcja pomocnicza
 *
 * robi dok砤dnie to samo, co vsprintf(), tyle 縠 alokuje sobie wcze秐iej
 * miejsce na dane. powinno dzia砤