Apply patch djbdns-1.05-test27.diff.bz2

Source was http://www.fefe.de/dns/djbdns-1.05-test27.diff.bz2, SHA1 f0380ec1866f49c0bcf6369a923ac0a4a5095da8

1 files changed, 28 insertions, 0 deletions

diff --git a/ip6.h b/ip6.h
new file mode 100644
index 0000000..f8576cf
--- /dev/null
+++ b/ip6.h
@@ -0,0 +1,28 @@
+#ifndef IP6_H
+#define IP6_H
+
+extern unsigned int ip6_scan(const char *,char *);
+extern unsigned int ip6_fmt(char *,const char *);
+
+extern unsigned int ip6_scan_flat(const char *,char *);
+extern unsigned int ip6_fmt_flat(char *,const char *);
+
+/*
+ ip6 address syntax: (h = hex digit), no leading '0' required
+   1. hhhh:hhhh:hhhh:hhhh:hhhh:hhhh:hhhh:hhhh
+   2. any number of 0000 may be abbreviated as "::", but only once
+ flat ip6 address syntax:
+   hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
+ */
+
+#define IP6_FMT 40
+
+const static unsigned char V4mappedprefix[12]={0,0,0,0,0,0,0,0,0,0,0xff,0xff};
+const static unsigned char V6loopback[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1};
+const static unsigned char V6any[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+
+#define ip6_isv4mapped(ip) (byte_equal(ip,12,V4mappedprefix))
+
+const static char ip4loopback[4] = {127,0,0,1};
+
+#endif