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/*
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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#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;
}
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