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rtl_fm/rtl_power: Improve scanning range parsing

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A. Maitland Bottoms 2017-08-24 05:27:57 -04:00 committed by Steve Markgraf
parent b2ee24eff5
commit f2a9a81c4b
2 changed files with 21 additions and 0 deletions
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13
src/rtl_fm.c
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@ -926,8 +926,21 @@ void frequency_range(struct controller_state *s, char *arg)
int i; int i;
start = arg; start = arg;
stop = strchr(start, ':') + 1; stop = strchr(start, ':') + 1;
if (stop == (char *)1) { // no stop or step given
s->freqs[s->freq_len] = (uint32_t) atofs(start);
s->freq_len++;
return;
}
stop[-1] = '\0'; stop[-1] = '\0';
step = strchr(stop, ':') + 1; step = strchr(stop, ':') + 1;
if (step == (char *)1) { // no step given
s->freqs[s->freq_len] = (uint32_t) atofs(start);
s->freq_len++;
s->freqs[s->freq_len] = (uint32_t) atofs(stop);
s->freq_len++;
stop[-1] = ':';
return;
}
step[-1] = '\0'; step[-1] = '\0';
for(i=(int)atofs(start); i<=(int)atofs(stop); i+=(int)atofs(step)) for(i=(int)atofs(start); i<=(int)atofs(stop); i+=(int)atofs(step))
{ {

8
src/rtl_power.c
View File

@ -437,8 +437,16 @@ void frequency_range(char *arg, double crop)
/* hacky string parsing */ /* hacky string parsing */
start = arg; start = arg;
stop = strchr(start, ':') + 1; stop = strchr(start, ':') + 1;
if (stop == (char *)1) {
fprintf(stderr, "Bad frequency range specification: %s\n", arg);
exit(1);
}
stop[-1] = '\0'; stop[-1] = '\0';
step = strchr(stop, ':') + 1; step = strchr(stop, ':') + 1;
if (step == (char *)1) {
fprintf(stderr, "Bad frequency range specification: %s\n", arg);
exit(1);
}
step[-1] = '\0'; step[-1] = '\0';
lower = (int)atofs(start); lower = (int)atofs(start);
upper = (int)atofs(stop); upper = (int)atofs(stop);