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| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2015-09-17 13:41:38 +0200 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2015-09-18 13:00:47 +0200 |
| commit | 5ec384676ae938dbe6281c98ebb26b821cdf8fea (patch) | |
| tree | d9d7af01ddf5d205b9cf07bee0f7409ccb136240 | |
| parent | 751df6363cb23a15f9ac6f927659410ef8dcca01 (diff) | |
| download | canutils-5ec384676ae938dbe6281c98ebb26b821cdf8fea.tar.gz canutils-5ec384676ae938dbe6281c98ebb26b821cdf8fea.tar.xz | |
cansequence: do_receive: move variables into loop
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
| -rw-r--r-- | src/cansequence.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/cansequence.c b/src/cansequence.c index 11b429e..1e1af29 100644 --- a/src/cansequence.c +++ b/src/cansequence.c @@ -87,12 +87,10 @@ static void do_receive() .msg_iovlen = 1, .msg_control = &ctrlmsg, }; - struct cmsghdr *cmsg; const int dropmonitor_on = 1; bool sequence_init = true; unsigned int seq_wrap = 0; uint8_t sequence = 0; - ssize_t nbytes; if (setsockopt(s, SOL_SOCKET, SO_RXQ_OVFL, &dropmonitor_on, sizeof(dropmonitor_on)) < 0) { @@ -106,11 +104,13 @@ static void do_receive() } while ((infinite || loopcount--) && running) { + ssize_t nbytes; + msg.msg_iov[0].iov_len = sizeof(frame); msg.msg_controllen = sizeof(ctrlmsg); msg.msg_flags = 0; - nbytes = recvmsg(s, &msg, 0); + nbytes = recvmsg(s, &msg, 0); if (nbytes < 0) { perror("read()"); exit(EXIT_FAILURE); @@ -125,6 +125,7 @@ static void do_receive() printf("received frame. sequence number: %d\n", frame.data[0]); if (frame.data[0] != sequence) { + struct cmsghdr *cmsg; uint32_t overflows = 0; drop_count++; |