diff options
| author | Leah Rowe <leah@libreboot.org> | 2023-06-05 01:05:38 +0100 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2023-06-05 01:05:38 +0100 |
| commit | 264a31b95dd5e2c7790368b2b53e44d067a27c01 (patch) | |
| tree | d90747dc21b0c7ef50e0453dfeddb50d903e5019 /util | |
| parent | 118bb19ff84b013954b3032e93c7fb0fc926b15e (diff) | |
util/spkmodem-recv: always disable line buffering
thus, there's no need to handle flushing of stdout
whatsoever, and the code can be greatly simplified
ascii bits are still reset, when no input on stdin
is given
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/spkmodem_recv/spkmodem-recv.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/util/spkmodem_recv/spkmodem-recv.c b/util/spkmodem_recv/spkmodem-recv.c index d43c27d9..2485943a 100644 --- a/util/spkmodem_recv/spkmodem-recv.c +++ b/util/spkmodem_recv/spkmodem-recv.c @@ -23,7 +23,7 @@ #define ERR() (errno = errno ? errno : ECANCELED) signed short frame[2 * SAMPLES_PER_FRAME], pulse[2 * SAMPLES_PER_FRAME]; -int flush, freq_data, freq_separator, sample_count, ascii_bit = 7; +int freq_data, freq_separator, sample_count, ascii_bit = 7; char ascii = 0; void handle_audio(void); @@ -40,11 +40,7 @@ main(int argc, char *argv[]) if (pledge("stdio", NULL) == -1) err(ERR(), "pledge"); #endif - while ((c = getopt(argc, argv, "u")) != -1) { - if (c != 'u') - err(errno = EINVAL, NULL); - setvbuf(stdout, NULL, _IONBF, 0); - } + setvbuf(stdout, NULL, _IONBF, 0); while (!feof(stdin)) handle_audio(); if (errno) @@ -55,21 +51,19 @@ main(int argc, char *argv[]) void handle_audio(void) { - if ((flush = (sample_count > (3 * SAMPLES_PER_FRAME)))) { + if (sample_count > (3 * SAMPLES_PER_FRAME)) { ascii_bit = 7; ascii = sample_count = 0; - if (fflush(stdout) == EOF) - err(ERR(), NULL); } if ((freq_separator <= FREQ_SEP_MIN) || (freq_separator >= FREQ_SEP_MAX) || (freq_data <= FREQ_DATA_MIN) || (freq_data >= FREQ_DATA_MAX)) { fetch_sample(); return; } + if (!set_ascii_bit()) print_char(); - - sample_count = flush = 0; + sample_count = 0; for (int sample = 0; sample < SAMPLES_PER_FRAME; sample++) fetch_sample(); } |