mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-16 20:02:35 +03:00
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/* Error handler for noninteractive utilities
|
|
Copyright (C) 1990-1998, 2000-2005, 2006 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
/* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
#include "error.h"
|
|
|
|
/* This variable is incremented each time `error' is called. */
|
|
unsigned int error_message_count;
|
|
|
|
char *strerror_r ();
|
|
|
|
/* The calling program should define program_name and set it to the
|
|
name of the executing program. */
|
|
//extern char *program_name;
|
|
|
|
static void
|
|
print_errno_message (int errnum)
|
|
{
|
|
char const *s;
|
|
|
|
s = strerror (errnum);
|
|
fprintf (stderr, ": %s", s);
|
|
}
|
|
|
|
static void
|
|
error_tail (int status, int errnum, const char *message, va_list args)
|
|
{
|
|
vfprintf (stderr, message, args);
|
|
va_end (args);
|
|
|
|
++error_message_count;
|
|
if (errnum)
|
|
print_errno_message (errnum);
|
|
putc ('\n', stderr);
|
|
fflush (stderr);
|
|
if (status)
|
|
exit (status);
|
|
}
|
|
|
|
|
|
/* Print the program name and error message MESSAGE, which is a printf-style
|
|
format string with optional args.
|
|
If ERRNUM is nonzero, print its corresponding system error message.
|
|
Exit with status STATUS if it is nonzero. */
|
|
void
|
|
error (int status, int errnum, const char *message, ...)
|
|
{
|
|
va_list args;
|
|
|
|
// fflush (stdout);
|
|
|
|
// fprintf (stderr, "%s: ", program_name);
|
|
|
|
va_start (args, message);
|
|
error_tail (status, errnum, message, args);
|
|
|
|
};
|
|
|
|
/* Sometimes we want to have at most one error per line. This
|
|
variable controls whether this mode is selected or not. */
|
|
|
|
int error_one_per_line;
|
|
|
|
void
|
|
error_at_line (int status, int errnum, const char *file_name,
|
|
unsigned int line_number, const char *message, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (error_one_per_line)
|
|
{
|
|
static const char *old_file_name;
|
|
static unsigned int old_line_number;
|
|
|
|
if (old_line_number == line_number
|
|
&& (file_name == old_file_name
|
|
|| strcmp (old_file_name, file_name) == 0))
|
|
/* Simply return and print nothing. */
|
|
return;
|
|
|
|
old_file_name = file_name;
|
|
old_line_number = line_number;
|
|
}
|
|
|
|
// fflush (stdout);
|
|
|
|
fprintf (stderr, file_name != NULL ? "%s:%d: " : " ",
|
|
file_name, line_number);
|
|
|
|
va_start (args, message);
|
|
error_tail (status, errnum, message, args);
|
|
|
|
}
|
|
|