diff options
Diffstat (limited to '')
-rw-r--r-- | lib/libucsi/dvb/rst_section.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/rst_section.c b/lib/libucsi/dvb/rst_section.c new file mode 100644 index 0000000..259d2b0 --- /dev/null +++ b/lib/libucsi/dvb/rst_section.c @@ -0,0 +1,47 @@ +/* + * section and descriptor parser + * + * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org) + * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include <libucsi/dvb/rst_section.h> + +struct dvb_rst_section * dvb_rst_section_codec(struct section *section) +{ + uint8_t * buf = (uint8_t *) section; + size_t pos = sizeof(struct section); + size_t len = section_length(section); + struct dvb_rst_section * ret = (struct dvb_rst_section *) section; + + while (pos < len) { + if ((pos + sizeof(struct dvb_rst_status)) > len) + return NULL; + + bswap16(buf + pos); + bswap16(buf + pos + 2); + bswap16(buf + pos + 4); + bswap16(buf + pos + 6); + + pos += sizeof(struct dvb_rst_status); + } + + if (pos != len) + return NULL; + + return ret; +} |