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[people/ms/ipfire-3.x.git] / iputils / patches / iputils-s20071127-addrcache.patch

diff --git a/iputils/patches/iputils-s20071127-addrcache.patch b/iputils/patches/iputils-s20071127-addrcache.patch
new file mode 100644 (file)
index 0000000..188dbca
--- /dev/null
+++ b/iputils/patches/iputils-s20071127-addrcache.patch
@@ -0,0 +1,31 @@
+--- iputils/ping.c.addrcache   2002-09-20 17:08:11.000000000 +0200
++++ iputils/ping.c     2003-05-15 16:41:19.000000000 +0200
+@@ -1124,6 +1124,12 @@
+ {
+       struct hostent *hp;
+       static char buf[4096];
++      static __u32 addr_cache = 0;
++
++      if ( addr == addr_cache )
++              return buf;
++
++      addr_cache = addr;
+ 
+       if ((options & F_NUMERIC) ||
+           !(hp = gethostbyaddr((char *)&addr, 4, AF_INET)))
+--- iputils/ping6.c.addrcache  2002-09-20 17:08:11.000000000 +0200
++++ iputils/ping6.c    2003-05-15 16:41:19.000000000 +0200
+@@ -893,7 +893,12 @@
+  */
+ char * pr_addr(struct in6_addr *addr)
+ {
+-      struct hostent *hp = NULL;
++      static struct hostent *hp;
++      static struct in6_addr addr_cache;
++
++      if (memcmp(addr, &addr_cache, sizeof(addr_cache)) == 0)
++              return hp ? hp->h_name : pr_addr_n(addr);
++      memcpy(&addr_cache, addr, sizeof(addr_cache));
+ 
+       if (!(options&F_NUMERIC))
+               hp = gethostbyaddr((__u8*)addr, sizeof(struct in6_addr), AF_INET6);