From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 17 May 2004 22:07:43 +0000 (+0000)
Subject: if shrinking the buffer fails, use the older larger one
X-Git-Tag: curl-7_12_0~66
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9056f5f957323dc09d44a2c038125334ce4f652;p=thirdparty%2Fcurl.git

if shrinking the buffer fails, use the older larger one
---

diff --git a/lib/hostip.c b/lib/hostip.c
index c4e5ebfeef..ffc8198eaf 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 */