diff options
author | Mark Purcell <msp@debian.org> | 2008-06-22 11:00:40 +1000 |
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committer | etobi <git@e-tobi.net> | 2013-09-03 09:48:42 +0200 |
commit | 891c51ff368ed700dec6025eeb47ce4d96f76418 (patch) | |
tree | 3729664829e4faa691d403274f38eb10890b533c /lib/libucsi/dvb/tot_section.c | |
parent | 1c6e1f28f54ec2606c23936c1d8689f2be55a86c (diff) | |
parent | ab959d7b4194715870128e616b8e29d4a101e488 (diff) | |
download | linux-dvb-apps-debian/1.1.1+rev1207-1.tar.gz |
Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1
Diffstat (limited to 'lib/libucsi/dvb/tot_section.c')
-rw-r--r-- | lib/libucsi/dvb/tot_section.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/tot_section.c b/lib/libucsi/dvb/tot_section.c new file mode 100644 index 0000000..5dc7890 --- /dev/null +++ b/lib/libucsi/dvb/tot_section.c @@ -0,0 +1,50 @@ +/* + * 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/tot_section.h> + +struct dvb_tot_section *dvb_tot_section_codec(struct section *section) +{ + uint8_t * buf = (uint8_t *)section; + size_t pos = sizeof(struct section); + size_t len = section_length(section) - CRC_SIZE; + struct dvb_tot_section * ret = (struct dvb_tot_section *)section; + + if (len < sizeof(struct dvb_tot_section)) + return NULL; + + pos += 5; + bswap16(buf + pos); + pos += 2; + + if ((pos + ret->descriptors_loop_length) > len) + return NULL; + + if (verify_descriptors(buf + pos, ret->descriptors_loop_length)) + return NULL; + + pos += ret->descriptors_loop_length; + + if (pos != len) + return NULL; + + return ret; +} |