libexplain  1.4.D001
libexplain/buffer/errno/setregid.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2012, 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 
00021 #include <libexplain/buffer/eperm.h>
00022 #include <libexplain/buffer/errno/generic.h>
00023 #include <libexplain/buffer/errno/setregid.h>
00024 #include <libexplain/buffer/errno/setresgid.h>
00025 #include <libexplain/buffer/gid.h>
00026 #include <libexplain/explanation.h>
00027 
00028 
00029 static void
00030 explain_buffer_errno_setregid_system_call(explain_string_buffer_t *sb,
00031     int errnum, gid_t rgid, gid_t egid)
00032 {
00033     (void)errnum;
00034     explain_string_buffer_puts(sb, "setregid(rgid = ");
00035     explain_buffer_gid(sb, rgid);
00036     explain_string_buffer_puts(sb, ", egid = ");
00037     explain_buffer_gid(sb, egid);
00038     explain_string_buffer_putc(sb, ')');
00039 }
00040 
00041 
00042 void
00043 explain_buffer_errno_setregid_explanation(explain_string_buffer_t *sb,
00044     int errnum, const char *syscall_name, gid_t rgid, gid_t egid)
00045 {
00046     explain_buffer_errno_setresgid_explanation
00047     (
00048         sb,
00049         errnum,
00050         syscall_name,
00051         rgid,
00052         egid,
00053         -1
00054     );
00055 }
00056 
00057 
00058 void
00059 explain_buffer_errno_setregid(explain_string_buffer_t *sb, int errnum,
00060     gid_t rgid, gid_t egid)
00061 {
00062     explain_explanation_t exp;
00063 
00064     explain_explanation_init(&exp, errnum);
00065     explain_buffer_errno_setregid_system_call(&exp.system_call_sb, errnum, rgid,
00066         egid);
00067     explain_buffer_errno_setregid_explanation(&exp.explanation_sb, errnum,
00068         "setregid", rgid, egid);
00069     explain_explanation_assemble(&exp, sb);
00070 }
00071 
00072 
00073 /* vim: set ts=8 sw=4 et : */