From: Guy Harris <guy@alum.mit.edu>
Date: Mon, 25 Jul 2016 00:24:54 +0000 (-0700)
Subject: Squelch signed vs. unsigned comparison warnings.
X-Git-Tag: libpcap-1.8.1~159
X-Git-Url: https://git.tcpdump.org/libpcap/commitdiff_plain/406cfb76981a17b900cae43d3bbab7b5dae75900

Squelch signed vs. unsigned comparison warnings.

We know len is >= 1, hence > 0, at that point, so just cast it to
unsigned.
---

diff --git a/bpf/net/bpf_filter.c b/bpf/net/bpf_filter.c
index 9abbd540..c6660877 100644
--- a/bpf/net/bpf_filter.c
+++ b/bpf/net/bpf_filter.c
@@ -633,7 +633,7 @@ bpf_validate(f, len)
 		return 0;
 #endif
 
-	for (i = 0; i < len; ++i) {
+	for (i = 0; i < (u_int)len; ++i) {
 		p = &f[i];
 		switch (BPF_CLASS(p->code)) {
 		/*