From 7acc0498ebfe13c48ecbaee718537a4c088cca5e Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Mon, 13 Jul 2009 00:42:48 +0000
Subject: cast arg to isspace to unsigned char

git-svn-id: svn+q:///qpdf/trunk@683 71b93d88-0707-0410-a8cf-f5a4172ac649
---
 libqpdf/QPDF.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
index 0385828d..399d68e1 100644
--- a/libqpdf/QPDF.cc
+++ b/libqpdf/QPDF.cc
@@ -1342,7 +1342,8 @@ QPDF::readToken(InputSource* input)
 	}
 	else
 	{
-	    if (isspace(ch) && (input->getLastOffset() == offset))
+	    if (isspace((unsigned char)ch) &&
+		(input->getLastOffset() == offset))
 	    {
 		++offset;
 	    }
@@ -1460,7 +1461,7 @@ QPDF::readObjectAtOffset(off_t offset, int exp_objid, int exp_generation,
 	    char ch;
 	    if (this->file.read(&ch, 1))
 	    {
-		if (! isspace(ch))
+		if (! isspace((unsigned char)ch))
 		{
 		    this->file.seek(-1, SEEK_CUR);
 		    break;
-- 
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