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