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 0ab57e3987d6cb696078c07341f477712bce5c77..c4742c529f671111a46f955955e5bb1dd7151d95 100644 (file)
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -63,6 +63,14 @@
         #define wxHAVE_TCHAR_FUNCTIONS
     #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
         #define wxHAVE_TCHAR_FUNCTIONS
+    #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
@@ -108,6 +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
@@ -116,6 +129,12 @@
 #  include <tchar.h>
 
 #  if wxUSE_UNICODE // temporary - preserve binary compatibility
+#if defined(__GNUWIN32__)
+    #define _TCHAR   TCHAR
+    #define _TSCHAR  TCHAR
+    #define _TUCHAR  TCHAR
+#endif
+
 typedef  _TCHAR      wxChar;
 typedef  _TSCHAR     wxSChar;
 typedef  _TUCHAR     wxUChar;
@@ -165,6 +184,7 @@ typedef  _TUCHAR     wxUChar;
 #  define  wxStrcspn   _tcscspn
 #  define  wxStrftime  _tcsftime
 #  define  wxStricmp   _tcsicmp
+#  define  wxStrnicmp  _tcsnicmp
 #  define  wxStrlen_   _tcslen // used in wxStrlen inline function
 #  define  wxStrncat   _tcsncat
 #  define  wxStrncmp   _tcsncmp
@@ -253,7 +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__)
+#      if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
 #        define wxUSE_WCHAR_T 1
 #      else
 #        define wxUSE_WCHAR_T 0
@@ -264,8 +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
@@ -276,11 +296,17 @@ typedef  _TUCHAR     wxUChar;
 #    ifdef HAVE_WCSTR_H
 #      include <wcstr.h>
 #    else
-#      ifndef __FreeBSD__
+#      if defined(HAVE_WCHAR_H)
+
+// include wchar.h to get wcslen() declaration used by wx/buffer.h
 #        include <wchar.h>
-#      else
+
+#      elif defined(__FreeBSD__) || defined(__DARWIN__)
+
+// include stdlib.h for wchar_t, wcslen is provided in wxchar.cpp
 #        include <stdlib.h>
-#        define wxNEED_WCSLEN
+size_t   WXDLLEXPORT wcslen(const wchar_t *s);
+
 #      endif
 #    endif
 #  endif
@@ -366,7 +392,7 @@ typedef unsigned __WCHAR_TYPE__ wxUChar;
 #     define wxUChar unsigned char
 #   endif
 
-#   if defined(__FreeBSD__) || defined(__MACH__)
+#   if defined(__FreeBSD__) || defined(__DARWIN__)
 #     undef _T
 #   endif
 
@@ -419,7 +445,7 @@ typedef unsigned __WCHAR_TYPE__ wxUChar;
 #  elif defined(__SC__) || defined(__VISUALC__) || (defined(__MWERKS__) && defined(__INTEL__))
 #    define wxStricmp _stricmp
 #    define wxStrnicmp _strnicmp
-#  elif defined(__UNIX__) || defined(__GNUWIN32__) || defined(__MACH__)
+#  elif defined(__UNIX__) || defined(__GNUWIN32__)
 #    define wxStricmp strcasecmp
 #    define wxStrnicmp strncasecmp
 #  elif defined(__MWERKS__) && !defined(__INTEL__)
@@ -505,17 +531,12 @@ 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
-WXDLLEXPORT inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
+inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 
 #ifndef wxNEED_WX_STRING_H
 // safe version of strlen() (returns 0 if passed NULL pointer)
-WXDLLEXPORT inline size_t wxStrlen(const wxChar *psz)
+inline size_t wxStrlen(const wxChar *psz)
    { return psz ? wxStrlen_(psz) : 0; }
 #endif
 
@@ -555,6 +576,10 @@ WXDLLEXPORT wxChar * wxStrdup(const wxChar *psz);
 WXDLLEXPORT int      wxStricmp(const wxChar *psz1, const wxChar *psz2);
 #endif
 
+#ifndef wxStrnicmp
+WXDLLEXPORT int      wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
+#endif
+
 #ifndef wxStrtok
 WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 #endif
@@ -564,10 +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);
@@ -637,6 +658,13 @@ WXDLLEXPORT int      wxSystem(const wxChar *psz);
 WXDLLEXPORT size_t   wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const struct tm *tm);
 #endif
 
+// under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks
+// the file parsing - this may be true for 5.0 as well, update #ifdef then
+#if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
+    #undef wxIsspace
+    #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
+#endif // VC++
+
 // ----------------------------------------------------------------------------
 // common macros which are always defined
 // ----------------------------------------------------------------------------