libexplain  1.4.D001
libexplain/acl_from_text_or_die.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2013 Peter Miller
00004  *
00005  * This program is free software; you can redistribute it and/or modify it
00006  * under the terms of the GNU Lesser General Public License as published by
00007  * the Free Software Foundation; either version 3 of the License, or (at
00008  * your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful, but
00011  * WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
00013  * General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Lesser General Public License
00016  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00017  */
00018 
00019 #include <libexplain/ac/errno.h>
00020 #include <libexplain/ac/sys/acl.h>
00021 
00022 #include <libexplain/acl_from_text.h>
00023 #include <libexplain/output.h>
00024 
00025 
00026 acl_t
00027 explain_acl_from_text_or_die(const char *text)
00028 {
00029     acl_t           result;
00030 
00031     result = explain_acl_from_text_on_error(text);
00032     if (result == (acl_t)NULL)
00033     {
00034         explain_output_exit_failure();
00035     }
00036     return result;
00037 }
00038 
00039 
00040 acl_t
00041 explain_acl_from_text_on_error(const char *text)
00042 {
00043     acl_t           result;
00044     int             hold_errno = errno;
00045 
00046 #ifdef HAVE_ACL_FROM_TEXT
00047     result = acl_from_text(text);
00048     if (result == (acl_t)NULL)
00049         errno = EINVAL;
00050 #else
00051     errno = ENOSYS;
00052     result = NULL;
00053 #endif
00054     if (result == (acl_t)NULL)
00055     {
00056         hold_errno = errno;
00057         explain_output_error
00058         (
00059             "%s",
00060             explain_errno_acl_from_text(hold_errno, text)
00061         );
00062         errno = hold_errno;
00063     }
00064     return result;
00065 }
00066 
00067 
00068 /* vim: set ts=8 sw=4 et : */