From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Thu, 1 Jul 2004 22:52:39 +0000 (+0000)
Subject: fix wxTolower/upper() behaviour with signed chars > 0x7f with VC++ 6
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/4e0f1c33cc99de63a1f7d539f691f0c98b958f6f

fix wxTolower/upper() behaviour with signed chars > 0x7f with VC++ 6


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28139 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/include/wx/wxchar.h b/include/wx/wxchar.h
index 5e65c13bce..dd6ca93a71 100644
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -254,8 +254,13 @@
     #define  wxIsspace   _istspace
     #define  wxIsupper   _istupper
     #define  wxIsxdigit  _istxdigit
-    #define  wxTolower   _totlower
-    #define  wxToupper   _totupper
+
+    /*
+       There is a bug in VC6 C RTL: toxxx() functions dosn't do anything with
+       signed chars < 0, so "fix" it here.
+     */
+    #define  wxTolower(c) _totlower((wxUChar)(c))
+    #define  wxToupper(c) _totupper((wxUChar)(c))
 
     /* locale.h functons */
     #define  wxSetlocale _tsetlocale