/*
* Name: wx/wxchar.h
* Purpose: Declarations common to wx char/wchar_t usage (wide chars)
- * Author: Joel Farley, Ove Kåven
+ * Author: Joel Farley, Ove K�en
* Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee
* Created: 1998/06/12
* RCS-ID: $Id$
- * Copyright: (c) 1998-2002 wxWidgets dev team
+ * Copyright: (c) 1998-2002 Joel Farley, Ove K�en, Robert Roebling, Ron Lee
* Licence: wxWindows licence
*/
#ifndef _WX_WXCHAR_H_
#define _WX_WXCHAR_H_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "wxchar.h"
-#endif
-
-#include "wx/defs.h" /* for wxUSE_UNICODE */
+/* defs.h indirectly includes this file, so don't include it here */
+#include "wx/platform.h"
+#include "wx/dlimpexp.h"
#if defined(HAVE_STRTOK_R) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
- char *strtok_r(char *, const char *, char **);
+ char *strtok_r(char *, const char *, char **);
#endif
/* check whether we have wchar_t and which size it is if we do */
/*
Standard headers we need here.
- NB: don't include any wxWidgets headers here because almost of them include
+ NB: don't include any wxWidgets headers here because almost all of them include
this one!
*/
/* Almost all compiler have strdup(), but not quite all: CodeWarrior under Mac */
/* and VC++ for Windows CE don't provide it */
-#if !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
+#if defined(__VISUALC__) && __VISUALC__ >= 1400
+ #define wxStrdupA _strdup
+#elif !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
/* use #define, not inline wrapper, as it is tested with #ifndef below */
#define wxStrdupA strdup
#endif
#define wxHAVE_TCHAR_SUPPORT
#elif defined(__DMC__)
#define wxHAVE_TCHAR_SUPPORT
-#elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 ) && !defined(__WXPALMOS__)
+#elif defined(__WXPALMOS__)
+ #include <stddef.h>
+#elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 )
#define wxHAVE_TCHAR_SUPPORT
#include <stddef.h>
#include <string.h>
#define wxHAVE_TCHAR_SUPPORT
#endif /* compilers with (good) TCHAR support */
-#ifdef __MWERKS__
- #define HAVE_WPRINTF
-#endif
+#if defined(__MWERKS__)
+ /* Metrowerks only has wide char support for OS X >= 10.3 */
+ #if !defined(__DARWIN__) || \
+ (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
+ #define wxHAVE_MWERKS_UNICODE
+ #endif
+
+ #ifdef wxHAVE_MWERKS_UNICODE
+ #define HAVE_WPRINTF
+ #endif
+#endif /* __MWERKS__ */
#ifdef wxHAVE_TCHAR_SUPPORT
/* get TCHAR definition if we've got it */
/* char wchar_t is always unsigned) and (b) was how the previous */
/* definitions worked so keep it like this */
+ /* Sun's SunPro compiler supports the wchar_t type and wide character */
+ /* functions, but does not define __WCHAR_TYPE__. Define it here to */
+ /* allow unicode enabled builds. */
+ #if defined(__SUNPRO_CC) || defined(__SUNPRO_C)
+ #define __WCHAR_TYPE__ wxchar_t
+ #endif
+
/* GNU libc has __WCHAR_TYPE__ which requires special treatment, see */
/* comment below */
#if !defined(__WCHAR_TYPE__) || \
#if !wxUSE_UNICODE
#define _T(x) x
#else /* Unicode */
- #define _T(x) L ## x
+ /* use wxCONCAT_HELPER so that x could be expanded if it's a macro */
+ #define _T(x) wxCONCAT_HELPER(L, x)
#endif /* ASCII/Unicode */
#endif /* !defined(_T) */
/* and _() in wxWidgets sources */
#define wxT(x) _T(x)
+/* a helper macro allowing to make another macro Unicode-friendly, see below */
+#define wxAPPLY_T(x) _T(x)
+
/* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */
#ifndef __TFILE__
- #define __XFILE__(x) wxT(x)
- #define __TFILE__ __XFILE__(__FILE__)
+ #define __TFILE__ wxAPPLY_T(__FILE__)
#endif
#ifndef __TDATE__
- #define __XDATE__(x) wxT(x)
- #define __TDATE__ __XDATE__(__DATE__)
+ #define __TDATE__ wxAPPLY_T(__DATE__)
#endif
#ifndef __TTIME__
- #define __XTIME__(x) wxT(x)
- #define __TTIME__ __XTIME__(__TIME__)
+ #define __TTIME__ wxAPPLY_T(__TIME__)
#endif
/*
/* special case: not all TCHAR-aware compilers have those */
#if defined(__VISUALC__) || \
(defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
- #define wxVsnprintf_ _vsntprintf
- #define wxSnprintf_ _sntprintf
+ /*
+ we can only use the system _vsntprintf() if we don't require the
+ Unix98 positional parameters support as it doesn't have it
+ */
+ #if !wxUSE_PRINTF_POS_PARAMS
+ #define wxVsnprintf_ _vsntprintf
+ #define wxSnprintf_ _sntprintf
+ #endif
#endif
/* special case: these functions are missing under Win9x with Unicows so we */
#define wxRename wxMSLU__trename
#else
#ifdef __WXWINCE__
- #define wxRemove DeleteFile
+ /* carefully: wxRemove() must return 0 on success while DeleteFile()
+ returns 0 on error, so don't just define one as the other */
+ int wxRemove(const wxChar *path);
#else
#define wxRemove _tremove
#define wxRename _trename
/* time.h functions */
#define wxAsctime _tasctime
#define wxCtime _tctime
-
+
#define wxMbstowcs mbstowcs
#define wxWcstombs wcstombs
#else /* !TCHAR-aware compilers */
+ /*
+ There are 2 unrelated problems with these functions under Mac:
+ a) Metrowerks MSL CRT implements them strictly in C99 sense and
+ doesn't support (very common) extension of allowing to call
+ mbstowcs(NULL, ...) which makes it pretty useless as you can't
+ know the size of the needed buffer
+ b) OS X <= 10.2 declares and even defined these functions but
+ doesn't really implement them -- they always return an error
+
+ So use our own replacements in both cases.
+ */
+ #if defined(__MWERKS__) && defined(__MSL__)
+ #define wxNEED_WX_MBSTOWCS
+ #endif
+
+ #ifdef __DARWIN__
+ #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
+ #define wxNEED_WX_MBSTOWCS
+ #endif
+ #endif
- #if !defined(__MWERKS__) && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
+ #ifdef wxNEED_WX_MBSTOWCS
/* even though they are defined and "implemented", they are bad and just
stubs so we need our own - we need these even in ANSI builds!! */
WXDLLIMPEXP_BASE size_t wxMbstowcs (wchar_t *, const char *, size_t);
#define wxWcstombs wcstombs
#endif
- /* No UNICODE in the c library except wchar_t typedef on mac OSX 10.2 and less - roll our own */
- #if !defined(__MWERKS__) && wxUSE_UNICODE && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
-
+ /*
+ The system C library on Mac OS X 10.2 and below does not support
+ unicode: in other words all wide-character functions such as towupper et
+ al. do simply not exist so we need to provide our own in that context,
+ except for the wchar_t definition/typedef itself.
+
+ We need to do this for both project builder and CodeWarrior as
+ the latter uses the system C library in Mach builds for wide character
+ support, which as mentioned does not exist on 10.2 and below.
+ */
+ #if wxUSE_UNICODE && \
+ defined(__DARWIN__) && \
+ ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
/* we need everything! */
#define wxNEED_WX_STRING_H
#define wxNEED_WX_CTYPE_H
/* printf() family saga */
/*
- For some systems vsnprintf() exists in the system libraries but not in the
+ For some systems [v]snprintf() exists in the system libraries but not in the
headers, so we need to declare it ourselves to be able to use it.
*/
#if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
int vsnprintf(char *str, size_t size, const char *format, va_list ap);
#endif /* !HAVE_VSNPRINTF_DECL */
+#if defined(HAVE_SNPRINTF) && !defined(HAVE_SNPRINTF_DECL)
+#ifdef __cplusplus
+ extern "C"
+#else
+ extern
+#endif
+ int snprintf(char *str, size_t size, const char *format, ...);
+#endif /* !HAVE_SNPRINTF_DECL */
+
+/* Wrapper for vsnprintf if it's 3rd parameter is non-const. Note: the
+ * same isn't done for snprintf below, the builtin wxSnprintf_ is used
+ * instead since it's already a simple wrapper */
+#if defined __cplusplus && defined HAVE_BROKEN_VSNPRINTF_DECL
+ inline int wx_fixed_vsnprintf(char *str, size_t size, const char *format, va_list ap)
+ {
+ return vsnprintf(str, size, (char*)format, ap);
+ }
+#endif
+
/*
First of all, we always want to define safe snprintf() function to be used
instead of sprintf(). Some compilers already have it (or rather vsnprintf()
We define function with a trailing underscore here because the real one is a
wrapper around it as explained below
*/
-#ifndef wxVsnprintf_
+#if !defined( wxVsnprintf_ ) && !wxUSE_PRINTF_POS_PARAMS
#if wxUSE_UNICODE
- #if defined(__MWERKS__)
+ #ifdef wxHAVE_MWERKS_UNICODE
#define HAVE_WCSRTOMBS 1
#define HAVE_VSWPRINTF 1
- #endif
+ #endif /* Metrowerks with Unicode support */
#if defined(__WATCOMC__)
#define wxVsnprintf_ _vsnwprintf
#define wxSnprintf_ _snwprintf
- #endif
+ #endif /* Watcom */
#if defined(HAVE__VSNWPRINTF)
#define wxVsnprintf_ _vsnwprintf
/* MinGW?MSVCRT has the wrong vswprintf */
- #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
+ /* Mac OS X has a somehow buggy vswprintf */
+ #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__) && !defined(__DARWIN__)
#define wxVsnprintf_ vswprintf
#endif
#else /* ASCII */
/* all versions of CodeWarrior supported by wxWidgets apparently have */
- /* vsnprintf() */
- #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
- /* assume we have snprintf() too if we have vsnprintf() */
- #define wxVsnprintf_ vsnprintf
- #define wxSnprintf_ snprintf
+ /* both snprintf() and vsnprintf() */
+ #if defined(HAVE_SNPRINTF) \
+ || defined(__MWERKS__) || defined(__WATCOMC__)
+ #ifndef HAVE_BROKEN_SNPRINTF_DECL
+ #define wxSnprintf_ snprintf
+ #endif
+ #endif
+ #if defined(HAVE_VSNPRINTF) \
+ || defined(__MWERKS__) || defined(__WATCOMC__)
+ #if defined __cplusplus && defined HAVE_BROKEN_VSNPRINTF_DECL
+ #define wxVsnprintf_ wx_fixed_vsnprintf
+ #else
+ #define wxVsnprintf_ vsnprintf
+ #endif
+ #endif
+ #endif
+#endif /* wxVsnprintf_ not defined yet && !wxUSE_PRINTF_POS_PARAMS */
+
+#if !defined( wxVsnprintf_ ) && wxUSE_PRINTF_POS_PARAMS
+ /*
+ The systems where vsnprintf() supports positionals should define
+ the HAVE_UNIX98_PRINTF symbol.
+
+ On systems which don't (e.g. Windows) we are forced to use
+ our wxVsnprintf() implementation.
+ */
+ #if defined(HAVE_UNIX98_PRINTF)
+ #if wxUSE_UNICODE
+ #define wxVsnprintf_ vswprintf
+ #else /* ASCII */
+ #if defined __cplusplus && defined HAVE_BROKEN_VSNPRINTF_DECL
+ #define wxVsnprintf_ wx_fixed_vsnprintf
+ #else
+ #define wxVsnprintf_ vsnprintf
+ #endif
+ #endif
+ #else
+ // the only exception on Windows is VC++ 8.0; it provides a new family
+ // of printf() functions with positional parameter support which should
+ // behave mostly identic to our wxVsnprintf() implementation
+ #if defined(__VISUALC__) && __VISUALC__ >= 1400
+ #if wxUSE_UNICODE
+ #define wxVsnprintf_ _vsprintf_p
+ #else
+ #define wxVsnprintf_ _vswprintf_p
+ #endif
#endif
#endif
-#endif /* wxVsnprintf_ not defined yet */
+#endif // !defined( wxVsnprintf_ ) && wxUSE_PRINTF_POS_PARAMS
#ifndef wxSnprintf_
/* no [v]snprintf(), cook our own */
return szRet;
}
- #else //!wxUSE_UNICODE
+ #else /* !wxUSE_UNICODE */
# define wxTmemchr memchr
# define wxTmemcmp memcmp
# define wxTmemcpy memcpy
# define wxTmemmove memmove
# define wxTmemset memset
- #endif
+ #endif /* wxUSE_UNICODE/!wxUSE_UNICODE */
#endif /*__cplusplus*/
projects / wxWidgets.git / blobdiff