X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=lib%2Fzlib%2Finfblock.c;h=dd7a6d40a8da1714a03fcd0631cdcb8ae7bc091c;hb=e7b6c157b80152bf9fb9266e6bdd93f9fb0db776;hp=f4920faa5ea06bee242cbb36c51e47ae0c82f434;hpb=62f89b2886bbe9df82d9b2fdabfe707509d9e0fc;p=silc.git

diff --git a/lib/zlib/infblock.c b/lib/zlib/infblock.c
index f4920faa..dd7a6d40 100644
--- a/lib/zlib/infblock.c
+++ b/lib/zlib/infblock.c
@@ -1,5 +1,5 @@
 /* infblock.c -- interpret and process block types to last block
- * Copyright (C) 1995-1998 Mark Adler
+ * Copyright (C) 1995-2002 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h 
  */
 
@@ -249,10 +249,12 @@ int r;
                              &s->sub.trees.tb, s->hufts, z);
       if (t != Z_OK)
       {
-        ZFREE(z, s->sub.trees.blens);
         r = t;
         if (r == Z_DATA_ERROR)
+        {
+          ZFREE(z, s->sub.trees.blens);
           s->mode = BAD;
+        }
         LEAVE
       }
       s->sub.trees.index = 0;
@@ -313,11 +315,13 @@ int r;
         t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
                                   s->sub.trees.blens, &bl, &bd, &tl, &td,
                                   s->hufts, z);
-        ZFREE(z, s->sub.trees.blens);
         if (t != Z_OK)
         {
           if (t == (uInt)Z_DATA_ERROR)
+          {
+            ZFREE(z, s->sub.trees.blens);
             s->mode = BAD;
+          }
           r = t;
           LEAVE
         }
@@ -329,6 +333,7 @@ int r;
         }
         s->sub.decode.codes = c;
       }
+      ZFREE(z, s->sub.trees.blens);
       s->mode = CODES;
     case CODES:
       UPDATE