From ab959d7b4194715870128e616b8e29d4a101e488 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:41 +0200 Subject: Imported Upstream version 1.1.1+rev1207 --- util/dvbscan/dvbscan_structutils.c | 99 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 util/dvbscan/dvbscan_structutils.c (limited to 'util/dvbscan/dvbscan_structutils.c') diff --git a/util/dvbscan/dvbscan_structutils.c b/util/dvbscan/dvbscan_structutils.c new file mode 100644 index 0000000..6fe3124 --- /dev/null +++ b/util/dvbscan/dvbscan_structutils.c @@ -0,0 +1,99 @@ +/* + dvbscan utility + + Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include +#include +#include +#include "dvbscan.h" + +void append_transponder(struct transponder *t, struct transponder **tlist, struct transponder **tlist_end) +{ + if (*tlist_end == NULL) { + *tlist = t; + } else { + (*tlist_end)->next = t; + } + *tlist_end = t; + t->next = NULL; +} + +struct transponder *new_transponder(void) +{ + struct transponder *t = (struct transponder *) malloc(sizeof(struct transponder)); + if (t == NULL) { + fprintf(stderr, "Out of memory\n"); + exit(1); + } + memset(t, 0, sizeof(struct transponder)); + + return t; +} + +void free_transponder(struct transponder *t) +{ + if (t->frequencies) + free(t->frequencies); + // FIXME: free services + free(t); +} + +int seen_transponder(struct transponder *t, struct transponder *checklist) +{ + uint32_t i; + + struct transponder *cur_check = checklist; + while(cur_check) { + uint32_t freq1 = cur_check->params.frequency / 2000; + for(i=0; i < t->frequency_count; i++) { + uint32_t freq2 = t->frequencies[i] / 2000; + if (freq1 == freq2) { + return 1; + } + } + cur_check = cur_check->next; + } + + return 0; +} + +void add_frequency(struct transponder *t, uint32_t frequency) +{ + uint32_t *tmp; + + tmp = (uint32_t*) realloc(t->frequencies, sizeof(uint32_t) * (t->frequency_count + 1)); + if (tmp == NULL) { + fprintf(stderr, "Out of memory\n"); + exit(1); + } + tmp[t->frequency_count++] = frequency; + t->frequencies = tmp; +} + +struct transponder *first_transponder(struct transponder **tlist, struct transponder **tlist_end) +{ + struct transponder *t = *tlist; + + *tlist = t->next; + if (*tlist == NULL) + *tlist_end = NULL; + + return t; +} -- cgit v1.2.3