/* * 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 struct dvb_bat_section * dvb_bat_section_codec(struct section_ext * ext) { uint8_t * buf = (uint8_t *) ext; size_t pos = sizeof(struct section_ext); size_t len = section_ext_length(ext); struct dvb_bat_section * ret = (struct dvb_bat_section *) ext; if (len < sizeof(struct dvb_bat_section)) return NULL; bswap16(buf + pos); pos += 2; if ((pos + ret->bouquet_descriptors_length) > len) return NULL; if (verify_descriptors(buf + pos, ret->bouquet_descriptors_length)) return NULL; pos += ret->bouquet_descriptors_length; if ((pos + sizeof(struct dvb_bat_section_part2)) > len) return NULL; bswap16(buf + pos); pos += sizeof(struct dvb_bat_section_part2); while (pos < len) { struct dvb_bat_transport * transport = (struct dvb_bat_transport *) (buf + pos); if ((pos + sizeof(struct dvb_bat_transport)) > len) return NULL; bswap16(buf + pos); bswap16(buf + pos + 2); bswap16(buf + pos + 4); pos += sizeof(struct dvb_bat_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; } 10_loadkeys/medion_088.rc5?h=debian/1.1.1%2brev1457-3'>stats

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