X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=sa_compare.cpp;fp=sa_compare.cpp;h=aff5d2f1203520bd1db796659adffaf5d0ef2452;hp=0000000000000000000000000000000000000000;hb=f2530dbb8415f9e7cc0f2d4b45741120c95e8a05;hpb=40eab3b7a07862a5547fc178e1edec22522ed7dc

diff --git a/sa_compare.cpp b/sa_compare.cpp
new file mode 100644
index 0000000..aff5d2f
--- /dev/null
+++ b/sa_compare.cpp
@@ -0,0 +1,17 @@
+#include "sa_compare.h"
+
+#include <arpa/inet.h>
+#include <assert.h>
+#include <string.h>
+
+bool Sockaddr6Compare::operator() (const sockaddr_in6 &a, const sockaddr_in6 &b) const
+{
+	assert(a.sin6_family == AF_INET6);
+	assert(b.sin6_family == AF_INET6);
+	int addr_cmp = memcmp(&a.sin6_addr, &b.sin6_addr, sizeof(a.sin6_addr));
+	if (addr_cmp == 0) {
+		return (ntohs(a.sin6_port) < ntohs(b.sin6_port));
+	} else {
+		return (addr_cmp < 0);
+	}
+}