nyancat.git - nyancat Debian packaging

Age	Commit message (Expand)	Author	Files	Lines
2011-12-01	Add license header to c source	Kevin Lange	1	-1/+28
2011-11-30	Made project more in line with Autotools standard.	Aaron Peschel	4	-0/+1765

/* * 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/nit_section.h> struct dvb_nit_section *dvb_nit_section_codec(struct section_ext * ext) { uint8_t * buf = (uint8_t *) ext; struct dvb_nit_section * ret = (struct dvb_nit_section *) ext; size_t pos = sizeof(struct section_ext); size_t len = section_ext_length(ext); if (len < sizeof(struct dvb_nit_section)) return NULL; bswap16(buf + pos); pos += 2; if ((pos + ret->network_descriptors_length) > len) return NULL; if (verify_descriptors(buf + pos, ret->network_descriptors_length)) return NULL; pos += ret->network_descriptors_length; if ((pos + sizeof(struct dvb_nit_section_part2)) > len) return NULL; bswap16(buf + pos); pos += 2; while (pos < len) { struct dvb_nit_transport *transport = (struct dvb_nit_transport *)(buf + pos); if ((pos + sizeof(struct dvb_nit_transport)) > len) return NULL; bswap16(buf + pos); bswap16(buf + pos + 2); bswap16(buf + pos + 4); pos += sizeof(struct dvb_nit_transport); if ((pos + transport->transport_descriptors_length) > len) return NULL; if (verify_descriptors(buf + pos, transport->transport_descriptors_length)) return NULL; pos += transport->transport_descriptors_length; } if (pos != len) return NULL; return ret; }