32 lines
921 B
Diff
32 lines
921 B
Diff
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--- iputils/ping.c.addrcache 2002-09-20 17:08:11.000000000 +0200
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+++ iputils/ping.c 2003-05-15 16:41:19.000000000 +0200
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@@ -1124,6 +1124,12 @@
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{
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struct hostent *hp;
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static char buf[4096];
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+ static __u32 addr_cache = 0;
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+
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+ if ( addr == addr_cache )
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+ return buf;
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+
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+ addr_cache = addr;
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if ((options & F_NUMERIC) ||
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!(hp = gethostbyaddr((char *)&addr, 4, AF_INET)))
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--- iputils/ping6.c.addrcache 2002-09-20 17:08:11.000000000 +0200
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+++ iputils/ping6.c 2003-05-15 16:41:19.000000000 +0200
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@@ -893,7 +893,12 @@
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*/
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char * pr_addr(struct in6_addr *addr)
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{
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- struct hostent *hp = NULL;
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+ static struct hostent *hp;
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+ static struct in6_addr addr_cache;
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+
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+ if (memcmp(addr, &addr_cache, sizeof(addr_cache)) == 0)
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+ return hp ? hp->h_name : pr_addr_n(addr);
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+ memcpy(&addr_cache, addr, sizeof(addr_cache));
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if (!(options&F_NUMERIC))
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hp = gethostbyaddr((__u8*)addr, sizeof(struct in6_addr), AF_INET6);
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