| /* Copyright (C) 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2002, 2004, 2010 |
| 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <errno.h> |
| #include <libintl.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/param.h> |
| #include <stdio-common/_itoa.h> |
| |
| /* 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 |
| |
| /* Fill buf with a string describing the errno code in ERRNUM. */ |
| int |
| __xpg_strerror_r (int errnum, char *buf, size_t buflen) |
| { |
| if (errnum < 0 || errnum >= _sys_nerr_internal |
| || _sys_errlist_internal[errnum] == NULL) |
| return EINVAL; |
| |
| const char *estr = (const char *) _(_sys_errlist_internal[errnum]); |
| size_t estrlen = strlen (estr) + 1; |
| |
| if (buflen < estrlen) |
| return ERANGE; |
| |
| memcpy (buf, estr, estrlen); |
| return 0; |
| } |