From 0accd84bfb94d43a9e3832f452100ede4bdabdfb Mon Sep 17 00:00:00 2001
From: bansan85 <legarrec.vincent@gmail.com>
Date: Fri, 15 Dec 2017 20:18:25 +0100
Subject: [PATCH] Fix index out of bounds in PSTokenizer

Bug #103583
---
 poppler/PSTokenizer.cc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/poppler/PSTokenizer.cc b/poppler/PSTokenizer.cc
index 05127f0d..c8859a87 100644
--- a/poppler/PSTokenizer.cc
+++ b/poppler/PSTokenizer.cc
@@ -84,7 +84,7 @@ GBool PSTokenizer::getToken(char *buf, int size, int *length) {
       }
     } else if (c == '%') {
       comment = gTrue;
-    } else if (specialChars[c] != 1) {
+    } else if (specialChars[static_cast<unsigned char>(c)] != 1) {
       break;
     }
   }
@@ -113,7 +113,7 @@ GBool PSTokenizer::getToken(char *buf, int size, int *length) {
   } else if (c == '<') {
     while ((c = lookChar()) != EOF) {
       consumeChar();
-      if (i < size && specialChars[c] != 1) {
+      if (i < size && specialChars[static_cast<unsigned char>(c)] != 1) {
 	buf[i++] = c;
       }
       if (c == '>') {
@@ -121,7 +121,8 @@ GBool PSTokenizer::getToken(char *buf, int size, int *length) {
       }
     }
   } else if (c != '[' && c != ']') {
-    while ((c = lookChar()) != EOF && !specialChars[c]) {
+    while ((c = lookChar()) != EOF &&
+    !specialChars[static_cast<unsigned char>(c)]) {
       consumeChar();
       if (i < size) {
 	buf[i++] = c;
-- 
2.15.1