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-rw-r--r--examples/network_server/common.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/examples/network_server/common.c b/examples/network_server/common.c
index 04a5aa8..05048f6 100644
--- a/examples/network_server/common.c
+++ b/examples/network_server/common.c
@@ -19,6 +19,9 @@ static bool read_callback(pb_istream_t *stream, uint8_t *buf, size_t count)
int fd = (intptr_t)stream->state;
int result;
+ if (count == 0)
+ return true;
+
result = recv(fd, buf, count, MSG_WAITALL);
if (result == 0)