| /* Copyright (C) 1993-2018 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <libintl.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <mach/error.h> |
| #include <errorlib.h> |
| #include <sys/param.h> |
| #include <_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) |
| { |
| int system; |
| int sub; |
| int code; |
| const struct error_system *es; |
| extern void __mach_error_map_compat (int *); |
| const char *estr; |
| |
| __mach_error_map_compat (&errnum); |
| |
| system = err_get_system (errnum); |
| sub = err_get_sub (errnum); |
| code = err_get_code (errnum); |
| |
| if (system > err_max_system || ! __mach_error_systems[system].bad_sub) |
| return EINVAL; |
| |
| es = &__mach_error_systems[system]; |
| |
| if (sub >= es->max_sub) |
| estr = (const char *) es->bad_sub; |
| else if (code >= es->subsystem[sub].max_code) |
| return EINVAL; |
| else |
| estr = (const char *) _(es->subsystem[sub].codes[code]); |
| |
| size_t estrlen = strlen (estr) + 1; |
| |
| if (buflen < estrlen) |
| return ERANGE; |
| |
| memcpy (buf, estr, estrlen); |
| return 0; |
| } |