From e9056f5f957323dc09d44a2c038125334ce4f652 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 17 May 2004 22:07:43 +0000
Subject: if shrinking the buffer fails, use the older larger one

---
 lib/hostip.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/hostip.c b/lib/hostip.c
index c4e5ebfee..ffc8198ea 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -623,8 +623,14 @@ Curl_addrinfo *Curl_addrinfo_copy(Curl_addrinfo *orig)
      most often is only a fraction of the original alloc */
   newbuf=(char *)realloc(aptr, (long)(bufptr-aptr));
 
+  if(!newbuf) {
+    /* serious error, but since this is shrinking only requested, we can
+       still use the previous memory block */
+    newbuf = aptr;
+  }
+
   /* if the alloc moved, we need to adjust the hostent struct */
-  if(newbuf != aptr)
+  else if(newbuf != aptr)
     Curl_hostent_relocate((struct hostent*)newbuf, (long)(newbuf-aptr));
 
   /* setup the return */
-- 
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