X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/d846b0987475dcad9ea45b5feb4eaa00b9f91d86..12febd804fcfbcbef7325610699aaae4597635c1:/zlib/infblock.c

diff --git a/zlib/infblock.c b/zlib/infblock.c
index 3d6701e2..38f90fc8 100644
--- a/zlib/infblock.c
+++ b/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 
  */
 
@@ -176,7 +176,7 @@ int r;
           break;
         case 3:                         /* illegal */
           DUMPBITS(3)
-          s->mode = zBAD;
+          s->mode = BAD;
           z->msg = (char*)"invalid block type";
           r = Z_DATA_ERROR;
           LEAVE
@@ -186,7 +186,7 @@ int r;
       NEEDBITS(32)
       if ((((~b) >> 16) & 0xffff) != (b & 0xffff))
       {
-        s->mode = zBAD;
+        s->mode = BAD;
         z->msg = (char*)"invalid stored block lengths";
         r = Z_DATA_ERROR;
         LEAVE
@@ -219,7 +219,7 @@ int r;
 #ifndef PKZIP_BUG_WORKAROUND
       if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29)
       {
-        s->mode = zBAD;
+        s->mode = BAD;
         z->msg = (char*)"too many length or distance symbols";
         r = Z_DATA_ERROR;
         LEAVE
@@ -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)
-          s->mode = zBAD;
+        {
+          ZFREE(z, s->sub.trees.blens);
+          s->mode = BAD;
+        }
         LEAVE
       }
       s->sub.trees.index = 0;
@@ -289,7 +291,7 @@ int r;
               (c == 16 && i < 1))
           {
             ZFREE(z, s->sub.trees.blens);
-            s->mode = zBAD;
+            s->mode = BAD;
             z->msg = (char*)"invalid bit length repeat";
             r = Z_DATA_ERROR;
             LEAVE
@@ -313,14 +315,17 @@ 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)
-            s->mode = zBAD;
+          {
+            ZFREE(z, s->sub.trees.blens);
+            s->mode = BAD;
+          }
           r = t;
           LEAVE
         }
+        ZFREE(z, s->sub.trees.blens);
         Tracev((stderr, "inflate:       trees ok\n"));
         if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL)
         {
@@ -345,13 +350,6 @@ int r;
         s->mode = TYPE;
         break;
       }
-      if (k > 7)              /* return unused byte, if any */
-      {
-        Assert(k < 16, "inflate_codes grabbed too many bytes")
-        k -= 8;
-        n++;
-        p--;                    /* can always return one */
-      }
       s->mode = DRY;
     case DRY:
       FLUSH
@@ -361,7 +359,7 @@ int r;
     case DONE:
       r = Z_STREAM_END;
       LEAVE
-    case zBAD:
+    case BAD:
       r = Z_DATA_ERROR;
       LEAVE
     default: