libexplain  1.4.D001
libexplain/buffer/v4l2_dbg_chip_ident.c
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00001 /*
00002  * libexplain - a library of system-call-specific strerror replacements
00003  * Copyright (C) 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/videodev2.h>
00020 
00021 #include <libexplain/buffer/int32_t.h>
00022 #include <libexplain/buffer/pointer.h>
00023 #include <libexplain/buffer/v4l2_chip_ident.h>
00024 #include <libexplain/buffer/v4l2_dbg_chip_ident.h>
00025 #include <libexplain/buffer/v4l2_dbg_match.h>
00026 #include <libexplain/is_efault.h>
00027 
00028 
00029 #ifdef HAVE_LINUX_VIDEODEV2_H
00030 #ifdef VIDIOC_DBG_G_CHIP_IDENT
00031 
00032 
00033 void
00034 explain_buffer_v4l2_dbg_chip_ident(explain_string_buffer_t *sb,
00035     const struct v4l2_dbg_chip_ident *data, int extra)
00036 {
00037     if (explain_is_efault_pointer(data, sizeof(*data)))
00038     {
00039         explain_buffer_pointer(sb, data);
00040         return;
00041     }
00042 
00043     explain_string_buffer_puts(sb, "{ match = ");
00044     explain_buffer_v4l2_dbg_match(sb, &data->match);
00045     if (extra)
00046     {
00047         explain_string_buffer_puts(sb, ", ident = ");
00048         explain_buffer_v4l2_chip_ident(sb, data->ident);
00049         explain_string_buffer_puts(sb, ", revision = ");
00050         explain_buffer_uint32_t(sb, data->revision);
00051     }
00052     explain_string_buffer_puts(sb, " }");
00053 }
00054 
00055 #endif
00056 #endif
00057 
00058 /* vim: set ts=8 sw=4 et : */