commit 15c0fccfeff5bf389b494a828c89adb3207c73d6
author Ryan Harrison <rharrison@chromium.org> Mon Mar 12 15:20:04 2018 +0000
committer Chromium commit bot <commit-bot@chromium.org> Mon Mar 12 15:20:04 2018 +0000
tree 3b1f4691759b4e4e45d49a2d48f4548ad16a224c
parent c2df008640f56631735dd3ae89e118c9c56cd36d

Remove all usages of FXSYS_iswASCIIalnum

Instances are either replaced with FXSYS_iswalnum, which calls out to
the ICU library to do the proper Unicode operations, or have been
converted to a isascii && isalnum pair, if ASCII alnum is actually
what was wanted.

BUG=pdfium:1035

Change-Id: I959ec8739a4d020e61562180393ab8113a81577c
Reviewed-on: https://pdfium-review.googlesource.com/28430
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

core/fxcrt/fx_extension.h

diff --git a/core/fxcrt/fx_extension.h b/core/fxcrt/fx_extension.h
index 491d4b2..bd0ac8b 100644
--- a/core/fxcrt/fx_extension.h
+++ b/core/fxcrt/fx_extension.h
@@ -12,6 +12,7 @@
 #include <memory>
 
 #include "core/fxcrt/fx_string.h"
+#include "third_party/icu/source/common/unicode/uchar.h"
 
 #define FX_INVALID_OFFSET static_cast<uint32_t>(-1)
 
@@ -45,8 +46,8 @@
   return FXSYS_isASCIIupper(wch) || FXSYS_isASCIIlower(wch);
 }
 
-inline bool FXSYS_iswASCIIalnum(wchar_t wch) {
-  return FXSYS_iswASCIIalpha(wch) || std::iswdigit(wch);
+inline bool FXSYS_iswalnum(wchar_t c) {
+  return u_isalnum(c);
 }
 
 inline bool FXSYS_iswASCIIspace(wchar_t c) {