$NetBSD: patch-au,v 1.4 2005/03/02 18:33:02 drochner Exp $

--- pdftops/XRef.cxx.orig	2004-10-13 22:55:53.000000000 +0200
+++ pdftops/XRef.cxx
@@ -76,7 +76,7 @@ XRef::XRef(BaseStream *strA, GString *ow
 
   // trailer is ok - read the xref table
   } else {
-    if (size*sizeof(XRefEntry)/sizeof(XRefEntry) != size) {
+    if (size*(int)sizeof(XRefEntry)/sizeof(XRefEntry) != size) {
       error(-1, "Invalid 'size' inside xref table.");
       ok = gFalse;
       errCode = errDamaged;
@@ -291,7 +291,7 @@ GBool XRef::readXRef(Guint *pos) {
     // table size
     if (first + n > size) {
       newSize = first + n;
-      if (newSize*sizeof(XRefEntry)/sizeof(XRefEntry) != newSize) {
+      if (newSize*(int)sizeof(XRefEntry)/sizeof(XRefEntry) != newSize) {
         error(-1, "Invalid 'newSize'");
         goto err2;
       }
@@ -445,7 +445,7 @@ GBool XRef::constructXRef() {
 	    if (!strncmp(p, "obj", 3)) {
 	      if (num >= size) {
 		newSize = (num + 1 + 255) & ~255;
-	        if (newSize*sizeof(XRefEntry)/sizeof(XRefEntry) != newSize) {
+	        if (newSize*(int)sizeof(XRefEntry)/sizeof(XRefEntry) != newSize) {
 	          error(-1, "Invalid 'obj' parameters.");
 	          return gFalse;
 	        }
@@ -470,7 +470,7 @@ GBool XRef::constructXRef() {
     } else if (!strncmp(p, "endstream", 9)) {
       if (streamEndsLen == streamEndsSize) {
 	streamEndsSize += 64;
-        if (streamEndsSize*sizeof(int)/sizeof(int) != streamEndsSize) {
+        if (streamEndsSize*(int)sizeof(int)/sizeof(int) != streamEndsSize) {
           error(-1, "Invalid 'endstream' parameter.");
           return gFalse;
         }
@@ -527,6 +527,9 @@ GBool XRef::checkEncrypted(GString *owne
 	} else {
 	  keyLength = 5;
 	}
+	if (keyLength > 16) {
+	  keyLength = 16;
+	}
 	permFlags = permissions.getInt();
 	if (encVersion >= 1 && encVersion <= 2 &&
 	    encRevision >= 2 && encRevision <= 3) {