58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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/* Copyright (C) 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2002, 2004
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <libintl.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/param.h>
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#include <stdio-common/_itoa.h>
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/* It is critical here that we always use the `dcgettext' function for
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the message translation. Since <libintl.h> only defines the macro
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`dgettext' to use `dcgettext' for optimizing programs this is not
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always guaranteed. */
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#ifndef dgettext
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# include <locale.h> /* We need LC_MESSAGES. */
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# define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES)
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#endif
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/* Fill buf with a string describing the errno code in ERRNUM. */
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int
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__xpg_strerror_r (int errnum, char *buf, size_t buflen)
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{
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if (errnum < 0 || errnum >= _sys_nerr_internal
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|| _sys_errlist_internal[errnum] == NULL)
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{
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__set_errno (EINVAL);
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return -1;
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}
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const char *estr = (const char *) _(_sys_errlist_internal[errnum]);
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size_t estrlen = strlen (estr) + 1;
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if (buflen < estrlen)
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{
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__set_errno (ERANGE);
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return -1;
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}
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memcpy (buf, estr, estrlen);
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return 0;
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}
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