mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-19 03:20:05 +00:00
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* Copyright (C) 1991,1992,1993,1997,1998,2000 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 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. */
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
|
|
/* Print a line on stderr consisting of the text in S, a colon, a space,
|
|
a message describing the meaning of the contents of `errno' and a newline.
|
|
If S is NULL or "", the colon and space are omitted. */
|
|
void
|
|
perror (const char *s)
|
|
{
|
|
char buf[1024];
|
|
int errnum = errno;
|
|
const char *colon;
|
|
const char *errstring;
|
|
|
|
if (s == NULL || *s == '\0')
|
|
s = colon = "";
|
|
else
|
|
colon = ": ";
|
|
|
|
errstring = __strerror_r (errnum, buf, sizeof buf);
|
|
|
|
#ifdef USE_IN_LIBIO
|
|
if (fwide (stderr, 0) > 0)
|
|
(void) fwprintf (stderr, L"%s%s%s\n", s, colon, errstring);
|
|
else
|
|
#endif
|
|
(void) fprintf (stderr, "%s%s%s\n", s, colon, errstring);
|
|
}
|