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| author | Guy Harris <guy@alum.mit.edu> | 2019-11-23 19:46:56 -0800 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2019-11-28 17:30:47 -0800 |
| commit | 89bb57d210a126d60047ff0f235868ceafc76e9b (patch) | |
| tree | 14ae49c71968f34fa6ec1d1deeebab7b6b7e2b45 | |
| parent | 1d5504867726e4611becbf16945d6345ada97660 (diff) | |
| download | libpcap-89bb57d210a126d60047ff0f235868ceafc76e9b.tar.gz | |
Remind people that if pcap_activate() fails, the pcap_t is still around.
[skip ci]
(cherry picked from commit b262e73dfdda6599b3b08750fcd6ff2a6a5a16c0)
| -rw-r--r-- | pcap.3pcap.in | 4 | ||||
| -rw-r--r-- | pcap_activate.3pcap | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/pcap.3pcap.in b/pcap.3pcap.in index 80101403..b2db565e 100644 --- a/pcap.3pcap.in +++ b/pcap.3pcap.in @@ -41,6 +41,10 @@ other interface on which the capture should be done, call .BR pcap_create (), set the appropriate options on the handle, and then activate it with .BR pcap_activate (). +If +.BR pcap_activate () +fails, the handle should be closed with +.BR pcap_close() . .PP To obtain a list of devices that can be opened for a live capture, call .BR pcap_findalldevs (); diff --git a/pcap_activate.3pcap b/pcap_activate.3pcap index 162a9293..b9279ce1 100644 --- a/pcap_activate.3pcap +++ b/pcap_activate.3pcap @@ -118,5 +118,12 @@ codes as errors. .B pcap_statustostr(3PCAP) can be called, with a warning or error code as an argument, to fetch a message describing the warning or error code. +.LP +If +.B pcap_activate() +fails, the +.I pcap_t * +is not closed and freed; it should be closed using +.BR pcap_close() . .SH SEE ALSO pcap(3PCAP) |