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-rw-r--r--util/spkmodem_recv/spkmodem-recv.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/util/spkmodem_recv/spkmodem-recv.c b/util/spkmodem_recv/spkmodem-recv.c
index 92a16457..9307ac12 100644
--- a/util/spkmodem_recv/spkmodem-recv.c
+++ b/util/spkmodem_recv/spkmodem-recv.c
@@ -113,6 +113,7 @@ static void
decode_pulse(void)
{
size_t n;
+ size_t frame_size;
int next_ringpos = (ringpos + SAMPLES_PER_FRAME) % MAX_SAMPLES;
@@ -120,9 +121,10 @@ decode_pulse(void)
freq_data += pulse[next_ringpos];
freq_separator -= pulse[next_ringpos];
- n = fread(frame + ringpos, 1, sizeof(frame[0]), stdin);
+ frame_size = sizeof(frame[0]);
+ n = fread(&frame[ringpos], 1, frame_size, stdin);
- if (n != sizeof(frame[0])) {
+ if (n != frame_size) {
if (feof(stdin))
exit(EXIT_SUCCESS);
if (ferror(stdin))