compilation warning (and possible bug) fix

[wxWidgets.git] / include / wx / wxchar.h

diff --git a/include/wx/wxchar.h b/include/wx/wxchar.h
index 54f09d2f039009ad0c6ebf076e16d24b7dad4ecd..c4742c529f671111a46f955955e5bb1dd7151d95 100644 (file)
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -63,12 +63,14 @@
         #define wxHAVE_TCHAR_FUNCTIONS
     #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
         #define wxHAVE_TCHAR_FUNCTIONS
-    // w32api isn't yet tchar safe, will be soon, this is a placeholder
-    #elif defined(__GNUWIN32__) && wxCHECK_W32API_VERSION( 10, 0 )
+    #elif defined(__GNUWIN32__) && wxCHECK_W32API_VERSION( 1, 0 )
         #define wxHAVE_TCHAR_FUNCTIONS
         #include <stddef.h>
         #include <string.h>
         #include <ctype.h>
+    #elif defined(__CYGWIN__)
+        #include <stddef.h>
+        #include <wchar.h>
     #endif
 #elif defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
     // VisualAge 4.0+ supports TCHAR
@@ -114,6 +116,11 @@
     // time.h functions  -- none defined in tchar.h
     #define  wxAsctime   asctime
     #define  wxCtime     ctime
+#elif defined(__MWERKS__)
+    // for wcslen
+    #if wxUSE_WCHAR_T
+    #include <wchar.h>
+    #endif
 #endif // compilers with (good) TCHAR support
 
 #ifdef wxHAVE_TCHAR_FUNCTIONS
@@ -266,7 +273,7 @@ typedef  _TUCHAR     wxUChar;
 #    if defined(__VISUALC__) && (__VISUALC__ < 900)
 #      define wxUSE_WCHAR_T 0 // wchar_t is not available for MSVC++ 1.5
 #    elif defined(__UNIX__)
-#      if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || (defined(__DARWIN__))
+#      if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
 #        define wxUSE_WCHAR_T 1
 #      else
 #        define wxUSE_WCHAR_T 0
@@ -277,8 +284,8 @@ typedef  _TUCHAR     wxUChar;
 #      define wxUSE_WCHAR_T 0
 #    elif defined(__WATCOMC__)
 #      define wxUSE_WCHAR_T 0
-#    elif defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
-#      define wxUSE_WCHAR_T 1
+#    elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
+#      define wxUSE_WCHAR_T 0
 #    else
   // add additional compiler checks if this fails
 #      define wxUSE_WCHAR_T 1
@@ -289,11 +296,17 @@ typedef  _TUCHAR     wxUChar;
 #    ifdef HAVE_WCSTR_H
 #      include <wcstr.h>
 #    else
-#      if defined(__FreeBSD__) || defined(__DARWIN__)
-#        include <stdlib.h>
-#        define wxNEED_WCSLEN
-#      else
+#      if defined(HAVE_WCHAR_H)
+
+// include wchar.h to get wcslen() declaration used by wx/buffer.h
 #        include <wchar.h>
+
+#      elif defined(__FreeBSD__) || defined(__DARWIN__)
+
+// include stdlib.h for wchar_t, wcslen is provided in wxchar.cpp
+#        include <stdlib.h>
+size_t   WXDLLEXPORT wcslen(const wchar_t *s);
+
 #      endif
 #    endif
 #  endif
@@ -518,11 +531,6 @@ typedef unsigned __WCHAR_TYPE__ wxUChar;
 #  endif
 #endif //!Unicode
 
-#if defined(wxNEED_WCSLEN) && wxUSE_UNICODE
-#  define wcslen wxStrlen
-#  undef wxNEED_WCSLEN
-#endif
-
 // checks whether the passed in pointer is NULL and if the string is empty
 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 
@@ -581,10 +589,6 @@ class wxWCharBuffer;
 WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
 #endif
 
-#ifdef wxNEED_WCSLEN // for use in buffer.h
-WXDLLEXPORT size_t   wcslen(const wchar_t *s);
-#endif
-
 #ifdef wxNEED_WX_CTYPE_H
 WXDLLEXPORT int wxIsalnum(wxChar ch);
 WXDLLEXPORT int wxIsalpha(wxChar ch);