| 1 | /* $Id$ |
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| 2 | * $URL$ |
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| 3 | * |
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| 4 | * debug() and error() functions |
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| 5 | * |
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| 6 | * Copyright (C) 1999, 2000 Michael Reinelt <reinelt@eunet.at> |
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| 7 | * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> |
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| 8 | * |
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| 9 | * This file is part of LCD4Linux. |
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| 10 | * |
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| 11 | * LCD4Linux is free software; you can redistribute it and/or modify |
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| 12 | * it under the terms of the GNU General Public License as published by |
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| 13 | * the Free Software Foundation; either version 2, or (at your option) |
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| 14 | * any later version. |
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| 15 | * |
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| 16 | * LCD4Linux is distributed in the hope that it will be useful, |
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 19 | * GNU General Public License for more details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU General Public License |
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| 22 | * along with this program; if not, write to the Free Software |
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| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 24 | * |
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| 25 | */ |
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| 26 | |
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| 27 | /* |
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| 28 | * exported functions: |
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| 29 | * |
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| 30 | * message (level, format, ...) |
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| 31 | * passes the arguments to vsprintf() and |
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| 32 | * writes the resulting string either to stdout |
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| 33 | * or syslog. |
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| 34 | * this function should not be called directly, |
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| 35 | * but the macros info(), debug() and error() |
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| 36 | * |
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| 37 | */ |
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| 38 | |
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| 39 | #include "config.h" |
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| 40 | |
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| 41 | #include <stdlib.h> |
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| 42 | #include <stdio.h> |
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| 43 | #include <stdarg.h> |
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| 44 | #include <syslog.h> |
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| 45 | |
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| 46 | #include "debug.h" |
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| 47 | |
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| 48 | int running_foreground = 0; |
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| 49 | int running_background = 0; |
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| 50 | |
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| 51 | int verbose_level = 0; |
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| 52 | |
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| 53 | void message(const int level, const char *format, ...) |
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| 54 | { |
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| 55 | va_list ap; |
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| 56 | char buffer[256]; |
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| 57 | static int log_open = 0; |
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| 58 | |
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| 59 | if (level > verbose_level) |
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| 60 | return; |
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| 61 | |
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| 62 | va_start(ap, format); |
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| 63 | vsnprintf(buffer, sizeof(buffer), format, ap); |
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| 64 | va_end(ap); |
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| 65 | |
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| 66 | if (!running_background) { |
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| 67 | |
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| 68 | #ifdef WITH_CURSES |
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| 69 | extern int curses_error(char *); |
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| 70 | if (!curses_error(buffer)) |
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| 71 | #endif |
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| 72 | fprintf(level ? stdout : stderr, "%s\n", buffer); |
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| 73 | } |
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| 74 | |
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| 75 | if (running_foreground) |
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| 76 | return; |
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| 77 | |
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| 78 | if (!log_open) { |
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| 79 | openlog("LCD4Linux", LOG_PID, LOG_USER); |
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| 80 | log_open = 1; |
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| 81 | } |
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| 82 | |
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| 83 | switch (level) { |
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| 84 | case 0: |
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| 85 | syslog(LOG_ERR, "%s", buffer); |
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| 86 | break; |
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| 87 | case 1: |
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| 88 | syslog(LOG_INFO, "%s", buffer); |
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| 89 | break; |
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| 90 | default: |
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| 91 | syslog(LOG_DEBUG, "%s", buffer); |
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| 92 | } |
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| 93 | } |
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