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sortix--sortix/libc/errorprint.cpp

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/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of the Sortix C Library.
The Sortix 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 3 of the License, or (at your
option) any later version.
The Sortix 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 Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
errorprint.cpp
Functions for printing error messages to the terminal.
*******************************************************************************/
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <error.h>
extern "C" void gnu_error(int status, int errnum, const char *format, ...)
{
fprintf(stderr, "%s: ", program_invocation_name);
va_list list;
va_start(list, format);
vfprintf(stderr, format, list);
va_end(list);
if ( errnum )
fprintf(stderr, ": %s", strerror(errnum));
fprintf(stderr, "\n");
if ( status )
exit(status);
}
extern "C" void perror(const char* s)
{
error(0, errno, "%s", s);
}