linux-dvb-apps.git - linux-dvb-apps Debian packaging

Age	Commit message (Expand)	Author	Files	Lines
2013-09-03	Imported Upstream version 1.1.1+rev1355upstream/1.1.1+rev1355	etobi	1	-0/+78

/* * section and descriptor parser * * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org) * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net) * Copyright (C) 2005 Patrick Boettcher (pb@linuxtv.org) * * 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/int_section.h> struct dvb_int_section * dvb_int_section_codec(struct section_ext *ext) { uint8_t *buf = (uint8_t *) ext; struct dvb_int_section *in = (struct dvb_int_section *) ext; size_t pos = sizeof(struct section_ext); size_t len = section_ext_length(ext); if (len < sizeof(struct dvb_int_section)) return NULL; bswap32(buf+8); bswap16(buf+12); pos += 6; if (len - pos < in->platform_descriptors_length) return NULL; if (verify_descriptors(buf + pos, in->platform_descriptors_length)) return NULL; pos += in->platform_descriptors_length; while (pos < len) { struct dvb_int_target *s2 = (struct dvb_int_target *) (buf + pos); struct dvb_int_operational_loop *s3; bswap16(buf + pos); /* target_descriptor_loop_length swap */ if (len - pos < s2->target_descriptors_length) return NULL; pos += sizeof(struct dvb_int_target); if (verify_descriptors(buf + pos, s2->target_descriptors_length)) return NULL; pos += s2->target_descriptors_length; s3 = (struct dvb_int_operational_loop *) (buf + pos); bswap16(buf + pos); /* operational_descriptor_loop_length swap */ if (len - pos < s3->operational_descriptors_length) return NULL; pos += sizeof(struct dvb_int_operational_loop); if (verify_descriptors(buf + pos, s3->operational_descriptors_length)) return NULL; pos += s3->operational_descriptors_length; } return (struct dvb_int_section *) ext; }