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gnupg/util/logging.c

171 lines
3.6 KiB
C

/* logging.c - useful logging functions
* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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.
*
* GnuPG 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
/* This file should replace logger.c in the future - for now it is not
* used GnuPG.
* It is a quite simple implemenation but sufficient for most purposes.
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "libutil-config.h"
#include "logging.h"
enum my_log_levels {
MY_LOG_CONT,
MY_LOG_INFO,
MY_LOG_WARN,
MY_LOG_ERROR,
MY_LOG_FATAL,
MY_LOG_BUG,
MY_LOG_DEBUG
};
#if 0
static void
write2stderr( const char *s )
{
write( 2, s, strlen(s) );
}
static void
do_die(int rc, const char *text )
{
write2stderr("\nFatal error: ");
write2stderr(text);
write2stderr("\n");
abort();
}
#endif
static void
do_logv( int level, const char *fmt, va_list arg_ptr )
{
switch ( level ) {
case MY_LOG_CONT: break;
case MY_LOG_INFO: break;
case MY_LOG_WARN: break;
case MY_LOG_ERROR: break;
case MY_LOG_FATAL: fputs("Fatal: ",stderr ); break;
case MY_LOG_BUG: fputs("Ohhhh jeeee: ", stderr); break;
case MY_LOG_DEBUG: fputs("DBG: ", stderr ); break;
default: fprintf(stderr,"[Unknown log level %d]: ", level ); break;
}
vfprintf(stderr,fmt,arg_ptr) ;
if( level == MY_LOG_FATAL )
exit(2);
if( level == MY_LOG_BUG )
abort();
}
static void
do_log( int level, const char *fmt, ... )
{
va_list arg_ptr ;
va_start( arg_ptr, fmt ) ;
do_logv( level, fmt, arg_ptr );
va_end(arg_ptr);
}
void
log_info( const char *fmt, ... )
{
va_list arg_ptr ;
va_start( arg_ptr, fmt ) ;
do_logv( MY_LOG_INFO, fmt, arg_ptr );
va_end(arg_ptr);
}
void
log_error( const char *fmt, ... )
{
va_list arg_ptr ;
va_start( arg_ptr, fmt ) ;
do_logv( MY_LOG_ERROR, fmt, arg_ptr );
va_end(arg_ptr);
}
void
log_fatal( const char *fmt, ... )
{
va_list arg_ptr ;
va_start( arg_ptr, fmt ) ;
do_logv( MY_LOG_FATAL, fmt, arg_ptr );
va_end(arg_ptr);
abort(); /* never called, bugs it makes the compiler happy */
}
void
log_bug( const char *fmt, ... )
{
va_list arg_ptr ;
va_start( arg_ptr, fmt ) ;
do_logv( MY_LOG_BUG, fmt, arg_ptr );
va_end(arg_ptr);
abort(); /* never called, bugs it makes the compiler happy */
}
void
log_debug( const char *fmt, ... )
{
va_list arg_ptr ;
va_start( arg_ptr, fmt ) ;
do_logv( MY_LOG_DEBUG, fmt, arg_ptr );
va_end(arg_ptr);
}
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 )
void
bug_at( const char *file, int line, const char *func )
{
do_log( MY_LOG_BUG,
("... this is a bug (%s:%d:%s)\n"), file, line, func );
abort(); /* never called, but it makes the compiler happy */
}
#else
void
bug_at( const char *file, int line )
{
do_log( MY_LOG_BUG,
_("you found a bug ... (%s:%d)\n"), file, line);
abort(); /* never called, but it makes the compiler happy */
}
#endif