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make get_next_word return uint32


git-svn-id: http://svn.ghostscript.com/jbig2dec/trunk@25 ded80894-8fb9-0310-811b-c03f3676ab4d

--- a/jbig2dec.c

+++ b/jbig2dec.c

@@ -8,7 +8,7 @@

     the Free Software Foundation; either version 2 of the License, or

     (at your option) any later version.

-    $Id: jbig2dec.c,v 1.3 2001/06/10 07:09:18 giles Exp $

+    $Id: jbig2dec.c,v 1.4 2001/06/12 09:15:13 giles Exp $

 */

 #include <stdio.h>

@@ -88,13 +88,14 @@

   ctx->flags = buf[8];

   if (ctx->flags & 2)

     {

-      ctx->offset = 9;

+      ctx->offset = 9;	/* number of pages unknown */

+	  ctx->n_pages = 0;

     }

   else

     {

       ctx->offset = 13;

       ctx->n_pages = get_int32 (ctx, 9);

-    }

+	}

   return ctx;

 }

@@ -229,6 +230,8 @@

   bool last;

   ctx = jbig2_open (f);

+  if (!ctx) return;

+  

   printf ("Number of pages = %d\n", ctx->n_pages);

   for (;;)

     {

--- a/jbig2dec.h

+++ b/jbig2dec.h

@@ -8,7 +8,7 @@

     the Free Software Foundation; either version 2 of the License, or

     (at your option) any later version.

-    $Id: jbig2dec.h,v 1.2 2001/06/10 07:09:18 giles Exp $

+    $Id: jbig2dec.h,v 1.3 2001/06/12 09:15:13 giles Exp $

 */

 typedef unsigned char byte;

@@ -40,5 +40,5 @@

 typedef struct _Jbig2WordStream Jbig2WordStream;

 struct _Jbig2WordStream {

-  int32 (*get_next_word) (Jbig2WordStream *self, int offset);

+  uint32 (*get_next_word) (Jbig2WordStream *self, int offset);

 };