Recognize MSVC 11 instead of warning about unknown MSVC version.

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

diff --git a/include/wx/wxcrtbase.h b/include/wx/wxcrtbase.h
index 45cb175d698a94999390099efe8482ffd29f31ec..2475ebfa95a7b81142563568dfc9fd37ea17756a 100644 (file)
--- a/include/wx/wxcrtbase.h
+++ b/include/wx/wxcrtbase.h
@@ -26,19 +26,17 @@
 
     NB: don't include any wxWidgets headers here because almost all of them
         include this one!
 
     NB: don't include any wxWidgets headers here because almost all of them
         include this one!

+
+    NB2: User code should include wx/crt.h instead of including this
+         header directly.
+

  */
 
  */
 

-#if !defined(__WXPALMOS5__)

 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>

-#if defined(__WXPALMOS__)
-    #include <wchar.h>
-#else
-    #include <wctype.h>
-#endif
+#include <wctype.h>

 #include <time.h>
 #include <time.h>

-#endif

 
 #if defined(__WINDOWS__) && !defined(__WXWINCE__)
     #include <io.h>
 
 #if defined(__WINDOWS__) && !defined(__WXWINCE__)
     #include <io.h>


@@ -48,12 +46,24 @@
     char *strtok_r(char *, const char *, char **);
 #endif
 
     char *strtok_r(char *, const char *, char **);
 #endif
 

+/*
+    Using -std=c++{98,0x} option with mingw32 disables most of standard
+    library extensions, so we can't rely on the presence of common non-ANSI
+    functions, define a special symbol to test for this. Notice that this
+    doesn't need to be done for g++ under Linux where _GNU_SOURCE (which is
+    defined by default) still makes all common extensions available even in
+    ANSI mode.
+ */
+#if defined(__MINGW32__) && defined(__STRICT_ANSI__)
+    #define __WX_STRICT_ANSI_GCC__
+#endif
+

 /*
    a few compilers don't have the (non standard but common) isascii function,
    define it ourselves for them
  */
 #ifndef isascii
 /*
    a few compilers don't have the (non standard but common) isascii function,
    define it ourselves for them
  */
 #ifndef isascii

-    #if defined(__MWERKS__)
+    #if defined(__MWERKS__) || defined(__WX_STRICT_ANSI_GCC__)

         #define wxNEED_ISASCII
     #elif defined(_WIN32_WCE)
         #if _WIN32_WCE <= 211
         #define wxNEED_ISASCII
     #elif defined(_WIN32_WCE)
         #if _WIN32_WCE <= 211


@@ -68,7 +78,7 @@
 
 #ifdef _WIN32_WCE
     #if _WIN32_WCE <= 211
 
 #ifdef _WIN32_WCE
     #if _WIN32_WCE <= 211

-        #define isspace(c) ((c) == _T(' ') || (c) == _T('\t'))
+        #define isspace(c) ((c) == wxT(' ') || (c) == wxT('\t'))

     #endif
 #endif /* _WIN32_WCE */
 
     #endif
 #endif /* _WIN32_WCE */
 


@@ -163,7 +173,7 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
 #define wxCRT_StrstrW    wcsstr
 
 /* these functions are not defined under CE, at least in VC8 CRT */
 #define wxCRT_StrstrW    wcsstr
 
 /* these functions are not defined under CE, at least in VC8 CRT */

-#if !defined(__WXWINCE__) && !defined(__WXPALMOS__)
+#if !defined(__WXWINCE__)

     #define wxCRT_StrcollA   strcoll
     #define wxCRT_StrxfrmA   strxfrm
 
     #define wxCRT_StrcollA   strcoll
     #define wxCRT_StrxfrmA   strxfrm
 


@@ -172,14 +182,22 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
 #endif /* __WXWINCE__ */
 
 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under
 #endif /* __WXWINCE__ */
 
 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under

-   Mac and VC++ for Windows CE don't provide it; additionally, gcc under
-   Mac and OpenVMS do not have wcsdup: */
-#if defined(__VISUALC__) && __VISUALC__ >= 1400
+   Mac and VC++ for Windows CE don't provide it. Another special case is gcc in
+   strict ANSI mode: normally it doesn't provide strdup() but MinGW does
+   provide it under MSVC-compatible name so test for it before checking
+   __WX_STRICT_ANSI_GCC__. */
+#if (defined(__VISUALC__) && __VISUALC__ >= 1400) || \
+    defined(__MINGW32__)

     #define wxCRT_StrdupA _strdup
     #define wxCRT_StrdupA _strdup

-#elif !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
+#elif !((defined(__MWERKS__) && defined(__WXMAC__)) || \
+        defined(__WXWINCE__) || \
+        defined(__WX_STRICT_ANSI_GCC__))

     #define wxCRT_StrdupA strdup
 #endif
     #define wxCRT_StrdupA strdup
 #endif

-#if defined(__WINDOWS__)
+
+/* most Windows compilers provide _wcsdup() */
+#if defined(__WINDOWS__) && \
+        !(defined(__CYGWIN__) || defined(__WX_STRICT_ANSI_GCC__))

     #define wxCRT_StrdupW _wcsdup
 #elif defined(HAVE_WCSDUP)
     #define wxCRT_StrdupW wcsdup
     #define wxCRT_StrdupW _wcsdup
 #elif defined(HAVE_WCSDUP)
     #define wxCRT_StrdupW wcsdup


@@ -222,39 +240,56 @@ WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
     #endif /* HAVE_WCSTOULL */
 #endif
 
     #endif /* HAVE_WCSTOULL */
 #endif
 

-/* Not all compilers have strnlen(); e.g. MSVC 6.x and 7.x don't have it */
-#if wxCHECK_VISUALC_VERSION(8) || defined(HAVE_STRNLEN)
+/*
+    Only VC8 and later provide strnlen() and wcsnlen() functions under Windows
+    and it's also only available starting from Windows CE 6.0 only in CE build.
+ */
+#if wxCHECK_VISUALC_VERSION(8) && (!defined(_WIN32_WCE) || (_WIN32_WCE >= 0x600))
+    #ifndef HAVE_STRNLEN
+        #define HAVE_STRNLEN
+    #endif
+    #ifndef HAVE_WCSNLEN
+        #define HAVE_WCSNLEN
+    #endif
+#endif
+
+#ifdef HAVE_STRNLEN

     #define wxCRT_StrnlenA  strnlen
     #define wxCRT_StrnlenA  strnlen

+#endif
+
+#ifdef HAVE_WCSNLEN

     #define wxCRT_StrnlenW  wcsnlen
 #endif
 
 /* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
 
     #define wxCRT_StrnlenW  wcsnlen
 #endif
 
 /* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
 

-/* note that we definitely are going to need our own version for widechar
- * versions */
-#if !defined(wxCRT_StricmpA)
-    #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
-            defined(__VISAGECPP__) || \
-            defined(__EMX__) || defined(__DJGPP__)
-        #define wxCRT_StricmpA stricmp
-        #define wxCRT_StrnicmpA strnicmp
-    #elif defined(__WXPALMOS__)
-        /* FIXME: There is no equivalent to strnicmp in the Palm OS API.  This
-         * quick hack should do until one can be written.
-         */
-        #define wxCRT_StricmpA StrCaselessCompare
-        #define wxCRT_StrnicmpA StrNCaselessCompare
-    #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
-            (defined(__MWERKS__) && defined(__INTEL__))
-        #define wxCRT_StricmpA _stricmp
-        #define wxCRT_StrnicmpA _strnicmp
-    #elif defined(__UNIX__) || defined(__GNUWIN32__)
-        #define wxCRT_StricmpA strcasecmp
-        #define wxCRT_StrnicmpA strncasecmp
-    /* #else -- use wxWidgets implementation */
+#if defined(__BORLANDC__) || defined(__WATCOMC__) || \
+        defined(__VISAGECPP__) || \
+        defined(__EMX__) || defined(__DJGPP__)
+    #define wxCRT_StricmpA stricmp
+    #define wxCRT_StrnicmpA strnicmp
+#elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
+        (defined(__MWERKS__) && defined(__INTEL__))
+    #define wxCRT_StricmpA _stricmp
+    #define wxCRT_StrnicmpA _strnicmp
+#elif defined(__UNIX__) || (defined(__GNUWIN32__) && !defined(__WX_STRICT_ANSI_GCC__))
+    #define wxCRT_StricmpA strcasecmp
+    #define wxCRT_StrnicmpA strncasecmp
+/* #else -- use wxWidgets implementation */
+#endif
+
+#ifdef __VISUALC__
+    #define wxCRT_StricmpW _wcsicmp
+    #define wxCRT_StrnicmpW _wcsnicmp
+#elif defined(__UNIX__)
+    #ifdef HAVE_WCSCASECMP
+        #define wxCRT_StricmpW wcscasecmp

     #endif
     #endif

-#endif /* !defined(wxCRT_StricmpA) */
-/* FIXME-UTF8: use wcs(n)casecmp if available for *W versions */
+    #ifdef HAVE_WCSNCASECMP
+        #define wxCRT_StrnicmpW wcsncasecmp
+    #endif
+/* #else -- use wxWidgets implementation */
+#endif

 
 #ifdef HAVE_STRTOK_R
     #define  wxCRT_StrtokA(str, sep, last)    strtok_r(str, sep, last)
 
 #ifdef HAVE_STRTOK_R
     #define  wxCRT_StrtokA(str, sep, last)    strtok_r(str, sep, last)


@@ -405,14 +440,14 @@ WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wcha
                                                        wchar_t** endptr,
                                                        int base);
     #endif
                                                        wchar_t** endptr,
                                                        int base);
     #endif

-#endif // wxLongLong_t
+#endif /* wxLongLong_t */

 
 
 /* -------------------------------------------------------------------------
                                   stdio.h
    ------------------------------------------------------------------------- */
 
 
 
 /* -------------------------------------------------------------------------
                                   stdio.h
    ------------------------------------------------------------------------- */
 

-#if defined(__UNIX__) || defined(__WXMAC__) || defined(__WXPALMOS__)
+#if defined(__UNIX__) || defined(__WXMAC__)

     #define wxMBFILES 1
 #else
     #define wxMBFILES 0
     #define wxMBFILES 1
 #else
     #define wxMBFILES 0


@@ -431,7 +466,7 @@ WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wcha
 #else /* Unicode filenames */
     /* special case: these functions are missing under Win9x with Unicows so we
        have to implement them ourselves */
 #else /* Unicode filenames */
     /* special case: these functions are missing under Win9x with Unicows so we
        have to implement them ourselves */

-    #if wxUSE_UNICODE_MSLU
+    #if wxUSE_UNICODE_MSLU || defined(__WX_STRICT_ANSI_GCC__)

             WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
             WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
             WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);
             WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
             WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
             WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);


@@ -546,7 +581,7 @@ WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
         #define wxCRT_AtolW         watol
     /* else: use ANSI versions */
     #endif
         #define wxCRT_AtolW         watol
     /* else: use ANSI versions */
     #endif

-#elif defined(wxHAVE_TCHAR_SUPPORT)
+#elif defined(wxHAVE_TCHAR_SUPPORT) && !defined(__WX_STRICT_ANSI_GCC__)

     #define  wxCRT_AtoiW           _wtoi
     #define  wxCRT_AtolW           _wtol
     /* _wtof doesn't exist */
     #define  wxCRT_AtoiW           _wtoi
     #define  wxCRT_AtolW           _wtol
     /* _wtof doesn't exist */


@@ -572,12 +607,9 @@ WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
 #if defined(__MWERKS__) && defined(__MSL__)
     #define wxNEED_WX_MBSTOWCS
 #endif
 #if defined(__MWERKS__) && defined(__MSL__)
     #define wxNEED_WX_MBSTOWCS
 #endif

-#if defined(__WXPALMOS__)
-    #define wxNEED_WX_MBSTOWCS
-#endif

 
 #ifdef __DARWIN__
 
 #ifdef __DARWIN__

-    #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
+    #if !defined(__WXOSX_IPHONE__) && MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2

         #define wxNEED_WX_MBSTOWCS
     #endif
 #endif
         #define wxNEED_WX_MBSTOWCS
     #endif
 #endif


@@ -599,10 +631,36 @@ WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
    ------------------------------------------------------------------------- */
 
 #define wxCRT_StrftimeA  strftime
    ------------------------------------------------------------------------- */
 
 #define wxCRT_StrftimeA  strftime

-#ifndef __WXPALMOS__
-/* FIXME-UTF8: when is this available? */
-#define wxCRT_StrftimeW  wcsftime
-#endif /* ! __WXPALMOS__ */
+#ifdef __SGI__
+    /*
+        IRIX provides not one but two versions of wcsftime(): XPG4 one which
+        uses "const char*" for the third parameter and so can't be used and the
+        correct, XPG5, one. Unfortunately we can't just define _XOPEN_SOURCE
+        high enough to get XPG5 version as this undefines other symbols which
+        make other functions we use unavailable (see <standards.h> for gory
+        details). So just declare the XPG5 version ourselves, we're extremely
+        unlikely to ever be compiled on a system without it. But if we ever do,
+        a configure test would need to be added for it (and _MIPS_SYMBOL_PRESENT
+        should be used to check for its presence during run-time, i.e. it would
+        probably be simpler to just always use our own wxCRT_StrftimeW() below
+        if it does ever become a problem).
+     */
+#ifdef __cplusplus
+    extern "C"
+#endif
+    size_t
+    _xpg5_wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm * );
+    #define wxCRT_StrftimeW _xpg5_wcsftime
+#else
+    /*
+        Assume it's always available under non-Unix systems as this does seem
+        to be the case for now. And under Unix we trust configure to detect it
+        (except for SGI special case above).
+     */
+    #if defined(HAVE_WCSFTIME) || !defined(__UNIX__)
+        #define wxCRT_StrftimeW  wcsftime
+    #endif
+#endif

 
 #ifndef wxCRT_StrftimeW
 WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,
 
 #ifndef wxCRT_StrftimeW
 WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,