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/* Error handler for noninteractive utilities
Copyright (C) 1990-1998, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library. Its master source is NOT part of
the C library, however. The master source lives in /gd/gnu/lib.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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>. */
/* Adjusted slightly by Erik Andersen <andersen@uclibc.org> */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "error.h"
/* This variable is incremented each time `error' is called. */
unsigned int error_message_count;
/* Sometimes we want to have at most one error per line. This
variable controls whether this mode is selected or not. */
static int error_one_per_line;
void __error (int status, int errnum, const char *message, ...)
{
va_list args;
fflush (stdout);
va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
++error_message_count;
if (errnum) {
fprintf (stderr, ": %s", strerror (errnum));
}
putc ('\n', stderr);
if (status)
exit (status);
}
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)))
/* Simply return and print nothing. */
return;
old_file_name = file_name;
old_line_number = line_number;
}
fflush (stdout);
if (file_name != NULL)
fprintf (stderr, "%s:%d: ", file_name, line_number);
va_start (args, message);
vfprintf (stderr, message, args);
va_end (args);
++error_message_count;
if (errnum) {
fprintf (stderr, ": %s", strerror (errnum));
}
putc ('\n', stderr);
if (status)
exit (status);
}
/* Use the weaks here in an effort at controlling namespace pollution */
#undef error
#undef error_at_line
weak_alias (__error, error)
weak_alias (__error_at_line, error_at_line)
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