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Update libpcap to 1.9.0 (no patches applied yet)

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dmiller
2019-03-30 03:24:44 +00:00
parent 7d860b04e5
commit a2442ea29f
197 changed files with 26419 additions and 22082 deletions
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29
libpcap/pcap_next_ex.3pcap
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@@ -17,7 +17,7 @@
.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
.TH PCAP_NEXT_EX 3PCAP "7 April 2014"
.TH PCAP_NEXT_EX 3PCAP "20 January 2017"
.SH NAME
pcap_next_ex, pcap_next \- read the next packet from a pcap_t
.SH SYNOPSIS
@@ -85,7 +85,7 @@ value also passed to
.B pcap_loop()
or
.BR pcap_dispatch() .
.I http://www.tcpdump.org/linktypes.html
.I https://www.tcpdump.org/linktypes.html
lists the values
.B pcap_datalink()
can return and describes the packet formats that
@@ -112,12 +112,11 @@ have some other data link type, such as
for Ethernet.
.SH RETURN VALUE
.B pcap_next_ex()
returns 1 if the packet was read without problems, 0
if packets are being read from a live capture and the timeout expired,
\-1 if an error occurred while reading the packet, and \-2 if
packets are being read from a ``savefile'' and there are no more
packets to read from the savefile.
If \-1 is returned,
returns 1 if the packet was read without problems, 0 if packets are
being read from a live capture and the packet buffer timeout expired,
\-1 if an error occurred while reading the packet, and \-2 if packets
are being read from a ``savefile'' and there are no more packets to read
from the savefile. If \-1 is returned,
.B pcap_geterr()
or
.B pcap_perror()
@@ -128,14 +127,14 @@ as an argument to fetch or display the error text.
.B pcap_next()
returns a pointer to the packet data on success, and returns
.B NULL
if an error occurred, or if no packets were read from a live
capture (if, for example, they were discarded because they didn't pass
the packet filter, or if, on platforms that support a read timeout that
starts before any packets arrive, the timeout expires before any packets
arrive, or if the file descriptor for the capture device is in
if an error occurred, or if no packets were read from a live capture
(if, for example, they were discarded because they didn't pass the
packet filter, or if, on platforms that support a packet buffer timeout
that starts before any packets arrive, the timeout expires before any
packets arrive, or if the file descriptor for the capture device is in
non-blocking mode and no packets were available to be read), or if no
more packets are available in a ``savefile.'' Unfortunately, there is
no way to determine whether an error occurred or not.
more packets are available in a ``savefile.'' Unfortunately, there is no
way to determine whether an error occurred or not.
.SH SEE ALSO
pcap(3PCAP), pcap_geterr(3PCAP), pcap_dispatch(3PCAP),
pcap_datalink(3PCAP)