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/* Copyright (C) 1991, 1993, 1995, 1996 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <libintl.h>
#include <stdio.h>
#include <string.h>
#include "../stdio-common/_itoa.h"
#ifndef HAVE_GNU_LD
#define _sys_errlist sys_errlist
#define _sys_nerr sys_nerr
#endif
/* It is critical here that we always use the `dcgettext' function for
the message translation. Since <libintl.h> only defines the macro
`dgettext' to use `dcgettext' for optimizing programs this is not
always guaranteed. */
#ifndef dgettext
# include <locale.h> /* We need LC_MESSAGES. */
# define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES)
#endif
/* Return a string describing the errno code in ERRNUM. */
char *
_strerror_internal (int errnum, char *buf, size_t buflen)
{
if (errnum < 0 || errnum >= _sys_nerr)
{
const char *unk = _("Unknown error ");
const size_t unklen = strlen (unk);
char *p = buf + buflen;
*--p = '\0';
p = _itoa (errnum, p, 10, 0);
return memcpy (p - unklen, unk, unklen);
}
return (char *) _(_sys_errlist[errnum]);
}
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