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truncate pcap output file

This commit is contained in:
pooka 2010-08-13 11:45:47 +00:00
parent b97bdf9424
commit 86d75f6695
1 changed files with 2 additions and 2 deletions
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4
sys/rump/net/lib/libshmif/dumpbus.c
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@ -1,4 +1,4 @@
/* $NetBSD: dumpbus.c,v 1.7 2010/08/13 10:13:44 pooka Exp $ */
/* $NetBSD: dumpbus.c,v 1.8 2010/08/13 11:45:47 pooka Exp $ */
/*
* Little utility to convert shmif bus traffic to a pcap file
@ -91,7 +91,7 @@ main(int argc, char *argv[])
if (strcmp(pcapfile, "-") == 0) {
pfd = STDOUT_FILENO;
} else {
pfd = open(pcapfile, O_RDWR | O_CREAT, 0777);
pfd = open(pcapfile, O_RDWR | O_CREAT | O_TRUNC, 0777);
if (pfd == -1)
err(1, "create pcap dump");
}