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-rw-r--r--spectrogram.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/spectrogram.c b/spectrogram.c
index 5dbd43c..fa09f53 100644
--- a/spectrogram.c
+++ b/spectrogram.c
@@ -323,6 +323,7 @@ main(int argc, char **argv)
done = 0;
while (!die) {
+ assert(done == 0);
do {
done += sio_read(sio, buffer + done, bufsz - done);
assert(sio_eof(sio) == 0);