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author | Rui Paulo <rpaulo@FreeBSD.org> | 2009-03-21 20:43:56 +0000 |
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committer | Rui Paulo <rpaulo@FreeBSD.org> | 2009-03-21 20:43:56 +0000 |
commit | c6a6c5e28b1033c61a7bb7e108fa0592b22cc016 (patch) | |
tree | 1c663fff98874ff52b3f01d448e178f668ba0307 /pcap_compile.3pcap.in | |
parent | 3430dc7c1fc255ec21a9b5e9c189ec01d930c6bd (diff) | |
download | src-test2-c6a6c5e28b1033c61a7bb7e108fa0592b22cc016.tar.gz src-test2-c6a6c5e28b1033c61a7bb7e108fa0592b22cc016.zip |
Import of libpcap 1.0.0.vendor/libpcap/1.0.0
Notes
Notes:
svn path=/vendor/libpcap/dist/; revision=190214
svn path=/vendor/libpcap/1.0.0/; revision=190215; tag=vendor/libpcap/1.0.0
Diffstat (limited to 'pcap_compile.3pcap.in')
-rw-r--r-- | pcap_compile.3pcap.in | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/pcap_compile.3pcap.in b/pcap_compile.3pcap.in new file mode 100644 index 000000000000..87e2778696f4 --- /dev/null +++ b/pcap_compile.3pcap.in @@ -0,0 +1,72 @@ +.\" @(#) $Header: /tcpdump/master/libpcap/pcap_compile.3pcap.in,v 1.1.2.2 2008-10-21 07:44:57 guy Exp $ +.\" +.\" Copyright (c) 1994, 1996, 1997 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that: (1) source code distributions +.\" retain the above copyright notice and this paragraph in its entirety, (2) +.\" distributions including binary code include the above copyright notice and +.\" this paragraph in its entirety in the documentation or other materials +.\" provided with the distribution, and (3) all advertising materials mentioning +.\" features or use of this software display the following acknowledgement: +.\" ``This product includes software developed by the University of California, +.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of +.\" the University nor the names of its contributors may be used to endorse +.\" or promote products derived from this software without specific prior +.\" written permission. +.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED +.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +.\" +.TH PCAP_COMPILE 3PCAP "5 April 2008" +.SH NAME +pcap_compile \- compile a filter expression +.SH SYNOPSIS +.nf +.ft B +#include <pcap/pcap.h> +.ft +.LP +.ft B +int pcap_compile(pcap_t *p, struct bpf_program *fp, +.ti +8 +const char *str, int optimize, bpf_u_int32 netmask); +.ft +.fi +.SH DESCRIPTION +.B pcap_compile() +is used to compile the string +.I str +into a filter program. See +.BR pcap-filter (@MAN_MISC_INFO@) +for the syntax of that string. +.I program +is a pointer to a +.I bpf_program +struct and is filled in by +.BR pcap_compile() . +.I optimize +controls whether optimization on the resulting code is performed. +.I netmask +specifies the IPv4 netmask of the network on which packets are being +captured; it is used only when checking for IPv4 broadcast addresses in +the filter program. If the netmask of the network on which packets are +being captured isn't known to the program, or if packets are being +captured on the Linux "any" pseudo-interface that can capture on more +than one network, a value of 0 can be supplied; tests for IPv4 broadcast +addreses won't be done correctly, but all other tests in the filter +program will be OK. +.SH RETURN VALUE +.B pcap_compile() +returns 0 on success and \-1 on failure. +If \-1 is returned, +.B pcap_geterr() +or +.B pcap_perror() +may be called with +.I p +as an argument to fetch or display the error text. +.SH SEE ALSO +pcap(3PCAP), pcap_setfilter(3PCAP), pcap_freecode(3PCAP), +pcap_geterr(3PCAP), pcap-filter(@MAN_MISC_INFO@) |