From e6b28d9d94ec5bf3a23b15164aa3f0e3b7a06d15 Mon Sep 17 00:00:00 2001 From: Guy Harris Date: Wed, 3 Apr 2019 11:10:14 -0700 Subject: Explain why we're defining HAVE_REMOTE before including pcap.h. --- tcpdump.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'tcpdump.c') diff --git a/tcpdump.c b/tcpdump.c index 9790a4e3..7e2bc36d 100644 --- a/tcpdump.c +++ b/tcpdump.c @@ -92,6 +92,19 @@ The Regents of the University of California. All rights reserved.\n"; #endif /* HAVE_CASPER */ #endif /* HAVE_CAPSICUM */ #ifdef HAVE_PCAP_OPEN +/* + * We found pcap_open() in the capture library, so we'll be using + * the remote capture APIs; define PCAP_REMOTE before we include pcap.h, + * so we get those APIs declared, and the types and #defines that they + * use defined. + * + * WinPcap's headers require that PCAP_REMOTE be defined in order to get + * remote-capture APIs declared and types and #defines that they use + * defined. + * + * (Versions of libpcap with those APIs, and thus Npcap, which is based on + * those versions of libpcap, don't require it.) + */ #define HAVE_REMOTE #endif #include -- cgit v1.2.1