[gs-cvs] rev 7880 - trunk/gs/src

[leonardo at ghostscript.com]

Author: leonardo
Date: 2007-04-24 09:21:21 -0700 (Tue, 24 Apr 2007)
New Revision: 7880

Modified:
   trunk/gs/src/gstype42.c
Log:
Fix (TT fonts) : Could write past len_glyphs array.

DETAILS : 

This is a partial fix for bug 688971 
"huge performace problem (with large TT font?)".
Thanks to SaGS for noticing this problem.

EXPECTED DIFFERENCES :

None.


Modified: trunk/gs/src/gstype42.c
===================================================================
--- trunk/gs/src/gstype42.c	2007-04-24 00:16:14 UTC (rev 7879)
+++ trunk/gs/src/gstype42.c	2007-04-24 16:21:21 UTC (rev 7880)
@@ -246,7 +246,7 @@
     pfont->data.get_metrics = gs_type42_default_get_metrics;
 
     /* Now build the len_glyphs array since 'loca' may not be properly sorted */
-    pfont->data.len_glyphs = (uint *)gs_alloc_byte_array(pfont->memory, pfont->data.numGlyphs, sizeof(uint),
+    pfont->data.len_glyphs = (uint *)gs_alloc_byte_array(pfont->memory, loca_size, sizeof(uint),
 						    "gs_type42_font");
     if (pfont->data.len_glyphs == 0)
 	return_error(gs_error_VMerror);