78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
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* debug.c: debugging messages
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*
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* Copyright (C) 2007 Colin Watson.
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*
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* This file is part of man-db.
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*
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* man-db is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* man-db is distributed in the hope that it will be useful, but
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* 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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*
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* You should have received a copy of the GNU General Public License
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* along with man-db; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <errno.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "attribute.h"
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#include "manconfig.h"
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#include "debug.h"
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bool debug_level = false;
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void init_debug (void)
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{
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const char *man_debug = getenv ("MAN_DEBUG");
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if (man_debug && STREQ (man_debug, "1"))
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debug_level = true;
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}
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static void ATTRIBUTE_FORMAT ((__printf__, 1, 0))
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vdebug (const char *message, va_list args)
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{
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if (debug_level)
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vfprintf (stderr, message, args);
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}
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void debug (const char *message, ...)
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{
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if (debug_level) {
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va_list args;
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va_start (args, message);
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vdebug (message, args);
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va_end (args);
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}
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}
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void debug_error (const char *message, ...)
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{
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if (debug_level) {
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va_list args;
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va_start (args, message);
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vdebug (message, args);
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va_end (args);
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debug (": %s\n", strerror (errno));
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}
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}
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