Revert "Update to 7.44.0"

[platform/upstream/curl.git] / lib / share.c

diff --git a/lib/share.c b/lib/share.c
index 1720248..b8b6bee 100644 (file)
--- a/lib/share.c
+++ b/lib/share.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -35,15 +35,9 @@ CURLSH *
 curl_share_init(void)
 {
   struct Curl_share *share = calloc(1, sizeof(struct Curl_share));
-  if(share) {
+  if(share)
     share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
 
-    if(Curl_mk_dnscache(&share->hostcache)) {
-      free(share);
-      return NULL;
-    }
-  }
-
   return share;
 }
 
@@ -73,6 +67,11 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
     share->specifier |= (1<<type);
     switch( type ) {
     case CURL_LOCK_DATA_DNS:
+      if(!share->hostcache) {
+        share->hostcache = Curl_mk_dnscache();
+        if(!share->hostcache)
+          res = CURLSHE_NOMEM;
+      }
       break;
 
     case CURL_LOCK_DATA_COOKIE:
@@ -116,6 +115,10 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
     share->specifier &= ~(1<<type);
     switch( type ) {
     case CURL_LOCK_DATA_DNS:
+      if(share->hostcache) {
+        Curl_hash_destroy(share->hostcache);
+        share->hostcache = NULL;
+      }
       break;
 
     case CURL_LOCK_DATA_COOKIE:
@@ -189,10 +192,14 @@ curl_share_cleanup(CURLSH *sh)
     return CURLSHE_IN_USE;
   }
 
-  Curl_hash_destroy(&share->hostcache);
+  if(share->hostcache) {
+    Curl_hash_destroy(share->hostcache);
+    share->hostcache = NULL;
+  }
 
 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
-  Curl_cookie_cleanup(share->cookies);
+  if(share->cookies)
+    Curl_cookie_cleanup(share->cookies);
 #endif
 
 #ifdef USE_SSL