* builds/unix/ftsystem.c (FT_Stream_Open): Reject zero-length files.

Patch from Savannah bug #25151.

ChangeLog

@@ -1,3 +1,8 @@
+2008-12-22  Steve Grubb
+
+	* builds/unix/ftsystem.c (FT_Stream_Open): Reject zero-length files. 
+	Patch from Savannah bug #25151.
+
 2008-12-21  Werner Lemberg  <wl@gnu.org>
 
 	* src/pfr/pfrdrivr.c, src/winfonts/winfnt.c, src/cache/ftcmanag.c,

builds/unix/ftsystem.c

@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    Unix-specific FreeType low-level system interface (body).            */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007 by                   */
+/*  Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007, 2008 by             */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -280,6 +280,11 @@
       FT_ERROR(( "FT_Stream_Open: file is too big" ));
       goto Fail_Map;
     }
+    else if ( stat_buf.st_size == 0 )
+    {
+      FT_ERROR(( "FT_Stream_Open: zero-length file" ));
+      goto Fail_Map;
+    }
 
     /* This cast potentially truncates a 64bit to 32bit! */
     stream->size = (unsigned long)stat_buf.st_size;