diff options
| -rw-r--r-- | binding/rtl_fm.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/binding/rtl_fm.c b/binding/rtl_fm.c index 1c6a6b2..5b00482 100644 --- a/binding/rtl_fm.c +++ b/binding/rtl_fm.c @@ -966,23 +966,24 @@ void controller_cleanup(struct controller_state *s) pthread_mutex_destroy(&s->hop_m); } -void sanity_checks(void) +int sanity_checks(void) { + int r = 1; if (controller.freq_len == 0) { fprintf(stderr, "Please specify a frequency.\n"); - exit(1); + r = 0; } if (controller.freq_len >= FREQUENCIES_LIMIT) { fprintf(stderr, "Too many channels, maximum %i.\n", FREQUENCIES_LIMIT); - exit(1); + r = 0; } if (controller.freq_len > 1 && demod.squelch_level == 0) { fprintf(stderr, "Please specify a squelch level. Required for scanning multiple frequencies.\n"); - exit(1); + r = 0; } - + return r; } int rtl_fm_init(uint32_t freq, @@ -1045,7 +1046,8 @@ int rtl_fm_init(uint32_t freq, output.rate = demod.rate_out; } - sanity_checks(); + if (!sanity_checks()) + return -1; if (controller.freq_len > 1) { demod.terminate_on_squelch = 0; |