extending calculation of visible region

[wxWidgets.git] / src / zlib / infblock.c

diff --git a/src/zlib/infblock.c b/src/zlib/infblock.c
index 087d4d2ac3c78c1288e6d7b9060b82bcd0bbbebf..437a3b130c965da6afa165f22bab00315155dea4 100644 (file)
--- a/src/zlib/infblock.c
+++ b/src/zlib/infblock.c
@@ -1,5 +1,5 @@
 /* infblock.c -- interpret and process block types to last block
 /* 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
  */
 
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 


@@ -65,7 +65,7 @@ local const uInt border[] = { /* Order of the bit length code lengths */
  */
 
 
  */
 
 

-#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface
+#if defined(__VISAGECPP__) /* Visualage can't handle this antiquated interface */

 void inflate_blocks_reset(inflate_blocks_statef* s, z_streamp z, uLongf* c)
 #else
 void inflate_blocks_reset(s, z, c)
 void inflate_blocks_reset(inflate_blocks_statef* s, z_streamp z, uLongf* c)
 #else
 void inflate_blocks_reset(s, z, c)


@@ -89,7 +89,7 @@ uLongf *c;
   Tracev((stderr, "inflate:   blocks reset\n"));
 }
 
   Tracev((stderr, "inflate:   blocks reset\n"));
 }
 

-#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface
+#if defined(__VISAGECPP__) /* Visualage can't handle this antiquated interface */

 inflate_blocks_statef *inflate_blocks_new(z_streamp z, check_func c, uInt w)
 #else
 inflate_blocks_statef *inflate_blocks_new(z, c, w)
 inflate_blocks_statef *inflate_blocks_new(z_streamp z, check_func c, uInt w)
 #else
 inflate_blocks_statef *inflate_blocks_new(z, c, w)


@@ -123,7 +123,7 @@ uInt w;
   return s;
 }
 
   return s;
 }
 

-#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface
+#if defined(__VISAGECPP__) /* Visualage can't handle this antiquated interface */

 int inflate_blocks(inflate_blocks_statef* s, z_streamp z, int r)
 #else
 int inflate_blocks(s, z, r)
 int inflate_blocks(inflate_blocks_statef* s, z_streamp z, int r)
 #else
 int inflate_blocks(s, z, r)


@@ -259,10 +259,12 @@ int r;
                              &s->sub.trees.tb, s->hufts, z);
       if (t != Z_OK)
       {
                              &s->sub.trees.tb, s->hufts, z);
       if (t != Z_OK)
       {

-        ZFREE(z, s->sub.trees.blens);

         r = t;
         if (r == Z_DATA_ERROR)
         r = t;
         if (r == Z_DATA_ERROR)

+        {
+          ZFREE(z, s->sub.trees.blens);

           s->mode = BAD;
           s->mode = BAD;

+        }

         LEAVE
       }
       s->sub.trees.index = 0;
         LEAVE
       }
       s->sub.trees.index = 0;


@@ -323,11 +325,13 @@ int r;
         t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
                                   s->sub.trees.blens, &bl, &bd, &tl, &td,
                                   s->hufts, z);
         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)
         if (t != Z_OK)
         {
           if (t == (uInt)Z_DATA_ERROR)

+          {
+            ZFREE(z, s->sub.trees.blens);

             s->mode = BAD;
             s->mode = BAD;

+          }

           r = t;
           LEAVE
         }
           r = t;
           LEAVE
         }


@@ -339,6 +343,7 @@ int r;
         }
         s->sub.decode.codes = c;
       }
         }
         s->sub.decode.codes = c;
       }

+      ZFREE(z, s->sub.trees.blens);

       s->mode = CODES;
     case CODES:
       UPDATE
       s->mode = CODES;
     case CODES:
       UPDATE


@@ -355,13 +360,6 @@ int r;
         s->mode = TYPE;
         break;
       }
         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
       s->mode = DRY;
     case DRY:
       FLUSH


@@ -380,7 +378,7 @@ int r;
   }
 }
 
   }
 }
 

-#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface
+#if defined(__VISAGECPP__) /* Visualage can't handle this antiquated interface */

 int inflate_blocks_free(inflate_blocks_statef* s, z_streamp z)
 #else
 int inflate_blocks_free(s, z)
 int inflate_blocks_free(inflate_blocks_statef* s, z_streamp z)
 #else
 int inflate_blocks_free(s, z)


@@ -396,7 +394,7 @@ z_streamp z;
   return Z_OK;
 }
 
   return Z_OK;
 }
 

-#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface
+#if defined(__VISAGECPP__) /* Visualage can't handle this antiquated interface */

 void inflate_set_dictionary(inflate_blocks_statef* s, const Bytef* d, uInt n)
 #else
 void inflate_set_dictionary(s, d, n)
 void inflate_set_dictionary(inflate_blocks_statef* s, const Bytef* d, uInt n)
 #else
 void inflate_set_dictionary(s, d, n)


@@ -413,7 +411,7 @@ uInt  n;
  * by Z_SYNC_FLUSH or Z_FULL_FLUSH.
  * IN assertion: s != Z_NULL
  */
  * by Z_SYNC_FLUSH or Z_FULL_FLUSH.
  * IN assertion: s != Z_NULL
  */

-#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface
+#if defined(__VISAGECPP__) /* Visualage can't handle this antiquated interface */

 int inflate_blocks_sync_point(inflate_blocks_statef* s)
 #else
 int inflate_blocks_sync_point(s)
 int inflate_blocks_sync_point(inflate_blocks_statef* s)
 #else
 int inflate_blocks_sync_point(s)