libexplain  1.4.D001
libexplain/buffer/errno/strcoll.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 
00021 #include <libexplain/buffer/errno/generic.h>
00022 #include <libexplain/buffer/errno/strcoll.h>
00023 #include <libexplain/buffer/pathname.h>
00024 #include <libexplain/explanation.h>
00025 
00026 
00027 static void
00028 explain_buffer_errno_strcoll_system_call(explain_string_buffer_t *sb,
00029     int errnum, const char *s1, const char *s2)
00030 {
00031     (void)errnum;
00032     explain_string_buffer_puts(sb, "strcoll(s1 = ");
00033     explain_buffer_pathname(sb, s1);
00034     explain_string_buffer_puts(sb, ", s2 = ");
00035     explain_buffer_pathname(sb, s2);
00036     explain_string_buffer_putc(sb, ')');
00037 }
00038 
00039 
00040 void
00041 explain_buffer_errno_strcoll_explanation(explain_string_buffer_t *sb,
00042     int errnum, const char *syscall_name, const char *s1, const char *s2)
00043 {
00044     (void)s1;
00045     (void)s2;
00046 
00047     /*
00048      * This systm call uses malloc() so ENOMEM is possible.  However it
00049      * also calls the locale functionality which opens and reads files,
00050      * so there is almost no limit to he errors it could report.
00051      */
00052     explain_buffer_errno_generic(sb, errnum, syscall_name);
00053 }
00054 
00055 
00056 void
00057 explain_buffer_errno_strcoll(explain_string_buffer_t *sb, int errnum,
00058     const char *s1, const char *s2)
00059 {
00060     explain_explanation_t exp;
00061 
00062     explain_explanation_init(&exp, errnum);
00063     explain_buffer_errno_strcoll_system_call(&exp.system_call_sb, errnum, s1,
00064         s2);
00065     explain_buffer_errno_strcoll_explanation(&exp.explanation_sb, errnum,
00066         "strcoll", s1, s2);
00067     explain_explanation_assemble(&exp, sb);
00068 }
00069 
00070 
00071 /* vim: set ts=8 sw=4 et : */