[gs-cvs] rev 7069 - trunk/gs/src

[alexcher at ghostscript.com]

Author: alexcher
Date: 2006-09-24 16:50:46 -0700 (Sun, 24 Sep 2006)
New Revision: 7069

Modified:
   trunk/gs/src/gdevpdtb.c
Log:
Fix calculation of the PDF font subset prefix. This change has little effect,
except enabling previously unreachable code and generating different prefixes
in some cases.

DIFFERENCES:
None


Modified: trunk/gs/src/gdevpdtb.c
===================================================================
--- trunk/gs/src/gdevpdtb.c	2006-09-24 13:22:31 UTC (rev 7068)
+++ trunk/gs/src/gdevpdtb.c	2006-09-24 23:50:46 UTC (rev 7069)
@@ -80,7 +80,6 @@
 				  "pdf_add_subset_prefix");
     int len = (count + 7) / 8;
     ulong v = 0;
-    ushort t = 0;
     int i;
 
     if (data == 0)
@@ -88,10 +87,11 @@
     /* Hash the 'used' array. */
     for (i = 0; i < len; i += sizeof(ushort))
 	v = hash(v, i, *(ushort *)(used + i));
-    if (i < len) {
+    if (i > len) {
+        ushort t = 0;
 	i -= sizeof(ushort);
 	memmove(&t, used + i, len - i);
-	v = hash(v, i, *(ushort *)(used + i));
+	v = hash(v, i, t);
     }
     memmove(data + SUBSET_PREFIX_SIZE, data, size);
     for (i = 0; i < SUBSET_PREFIX_SIZE - 1; ++i, v /= 26)