libexplain  1.4.D001
libexplain/buffer/cdrom_addr.c
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00001 /*
00002  * libexplain - Explain errno values returned by libc functions
00003  * Copyright (C) 2009, 2011, 2013 Peter Miller
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU Lesser General Public License as
00007  * published by the Free Software Foundation; either version 3 of the
00008  * License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Lesser 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/linux/cdrom.h>
00020 
00021 #include <libexplain/buffer/cdrom_addr.h>
00022 #include <libexplain/buffer/pointer.h>
00023 #include <libexplain/buffer/int.h>
00024 #include <libexplain/is_efault.h>
00025 
00026 
00027 #ifdef HAVE_LINUX_CDROM_H
00028 
00029 void
00030 explain_buffer_cdrom_addr(explain_string_buffer_t *sb,
00031     const union cdrom_addr *addr, int fmt)
00032 {
00033     if (explain_is_efault_pointer(addr, sizeof(*addr)))
00034     {
00035         explain_buffer_pointer(sb, addr);
00036         return;
00037     }
00038 
00039     explain_string_buffer_puts(sb, "{ ");
00040     if (fmt == CDROM_LBA)
00041     {
00042         explain_string_buffer_puts(sb, "lba = ");
00043         explain_buffer_int(sb, addr->lba);
00044     }
00045     else
00046     {
00047         explain_string_buffer_printf
00048         (
00049             sb,
00050             "msf = { %d, %d, %d }",
00051             addr->msf.minute,
00052             addr->msf.second,
00053             addr->msf.frame
00054         );
00055     }
00056     explain_string_buffer_puts(sb, " }");
00057 }
00058 
00059 #else
00060 
00061 void
00062 explain_buffer_cdrom_addr(explain_string_buffer_t *sb,
00063     const union cdrom_addr *addr, int fmt)
00064 {
00065     (void)fmt;
00066     explain_buffer_pointer(sb, addr);
00067 }
00068 
00069 #endif
00070 
00071 
00072 /* vim: set ts=8 sw=4 et : */