46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/* Copyright (C) 1991, 1993, 1995, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include <string.h>
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#include "../stdio-common/_itoa.h"
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#ifndef HAVE_GNU_LD
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#define _sys_errlist sys_errlist
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#define _sys_nerr sys_nerr
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#endif
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/* Return a string describing the errno code in ERRNUM. */
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char *
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_strerror_internal (int errnum,
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char *buf,
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size_t buflen)
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{
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if (errnum < 0 || errnum >= _sys_nerr)
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{
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const char *unk = _("Unknown error ");
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const size_t unklen = strlen (unk);
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char *p = buf + buflen;
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*--p = '\0';
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p = _itoa (errnum, p, 10, 0);
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return memcpy (p - unklen, unk, unklen);
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}
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return (char *) _(_sys_errlist[errnum]);
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}
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