Replace FXSYS_iswdigit with std::iswdigit.

Replace other one-off implementations as well.

Change-Id: I2878f3fae479c12b7de5234ee3a26477d602d14d
Reviewed-on: https://pdfium-review.googlesource.com/4398
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 2 insertions, 7 deletions

diff --git a/core/fpdftext/cpdf_textpagefind.cpp b/core/fpdftext/cpdf_textpagefind.cpp
index 7eaac35194..a4f4a6e828 100644
--- a/core/fpdftext/cpdf_textpagefind.cpp
+++ b/core/fpdftext/cpdf_textpagefind.cpp
@@ -348,15 +348,10 @@ bool CPDF_TextPageFind::IsMatchWholeWord(const CFX_WideString& csPageText,
     return false;
   }
   if (char_count > 0) {
-    if (csPageText.GetAt(startPos) >= L'0' &&
-        csPageText.GetAt(startPos) <= L'9' && char_left >= L'0' &&
-        char_left <= L'9') {
+    if (std::iswdigit(char_left) && std::iswdigit(csPageText.GetAt(startPos)))
       return false;
-    }
-    if (csPageText.GetAt(endPos) >= L'0' && csPageText.GetAt(endPos) <= L'9' &&
-        char_right >= L'0' && char_right <= L'9') {
+    if (std::iswdigit(char_right) && std::iswdigit(csPageText.GetAt(endPos)))
       return false;
-    }
   }
   return true;
 }