libexplain  1.4.D001
libexplain/parse_bits/or_die.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2008-2010, 2013 Peter Miller
00004  * Written by Peter Miller <pmiller@opensource.org.au>
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU Lesser General Public License as
00008  * published by the Free Software Foundation; either version 3 of the
00009  * License, or (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public License
00017  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
00018  */
00019 
00020 #include <libexplain/ac/stdio.h>
00021 
00022 #include <libexplain/common_message_buffer.h>
00023 #include <libexplain/parse_bits.h>
00024 #include <libexplain/program_name.h>
00025 #include <libexplain/string_buffer.h>
00026 #include <libexplain/option.h>
00027 #include <libexplain/output.h>
00028 
00029 
00030 int
00031 explain_parse_bits_or_die(const char *text,
00032     const explain_parse_bits_table_t *table, size_t table_size,
00033     const char *caption)
00034 {
00035     int             result;
00036 
00037     result = -1;
00038     if (explain_parse_bits(text, table, table_size, &result) < 0)
00039     {
00040         explain_string_buffer_t sb;
00041         char            errstr[500];
00042 
00043         snprintf(errstr, sizeof(errstr), "%s", explain_parse_bits_get_error());
00044         explain_string_buffer_init
00045         (
00046             &sb,
00047             explain_common_message_buffer,
00048             explain_common_message_buffer_size
00049         );
00050         if (explain_option_assemble_program_name())
00051         {
00052             const char      *prog;
00053 
00054             prog = explain_program_name_get();
00055             if (prog && *prog)
00056             {
00057                 explain_string_buffer_puts(&sb, prog);
00058                 explain_string_buffer_puts(&sb, ": ");
00059             }
00060         }
00061         if (caption)
00062         {
00063             explain_string_buffer_puts(&sb, caption);
00064             explain_string_buffer_puts(&sb, ": ");
00065         }
00066         explain_string_buffer_puts(&sb, errstr);
00067         explain_output_message(explain_common_message_buffer);
00068         explain_output_exit_failure();
00069     }
00070     return result;
00071 }
00072 
00073 
00074 /* vim: set ts=8 sw=4 et : */