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/* $Id: debug.c 840 2007-09-09 12:17:42Z michael $
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* $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/debug.c $
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* debug() and error() functions
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* Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at>
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* Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
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* This file is part of LCD4Linux.
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* LCD4Linux is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* LCD4Linux is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* message (level, format, ...)
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* passes the arguments to vsprintf() and
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* writes the resulting string either to stdout
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* this function should not be called directly,
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* but the macros info(), debug() and error()
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int running_foreground = 0;
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int running_background = 0;
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int verbose_level = 0;
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void message(const int level, const char *format, ...)
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static int log_open = 0;
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if (level > verbose_level)
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vsnprintf(buffer, sizeof(buffer), format, ap);
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if (!running_background) {
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extern int curses_error(char *);
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if (!curses_error(buffer))
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fprintf(level ? stdout : stderr, "%s\n", buffer);
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if (running_foreground)
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openlog("LCD4Linux", LOG_PID, LOG_USER);
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syslog(LOG_ERR, "%s", buffer);
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syslog(LOG_INFO, "%s", buffer);
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syslog(LOG_DEBUG, "%s", buffer);