X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/20a4311e7f44f98b945cc762b5f0d41b6c0e82be..f46ad98f0df1e1b073a484cb34a91e2e1278fdb7:/include/wx/wxchar.h?ds=sidebyside

diff --git a/include/wx/wxchar.h b/include/wx/wxchar.h
index 026d9d612c..7c70a8b4d3 100644
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -369,8 +369,14 @@
     /* 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 */
@@ -867,7 +873,7 @@ WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
    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
         #ifdef wxHAVE_MWERKS_UNICODE
             #define HAVE_WCSRTOMBS 1
@@ -880,19 +886,42 @@ WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
         #if defined(HAVE__VSNWPRINTF)
             #define wxVsnprintf_    _vsnwprintf
         /* MinGW?MSVCRT has the wrong vswprintf */
-		/* Mac OS X has a somehow buggy vswprintf */
+        /* 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 */
         /* both snprintf() and vsnprintf() */
-        #if defined(HAVE_SNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
+        #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(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
@@ -900,7 +929,7 @@ WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
             #endif
         #endif
     #endif
-#endif /* wxVsnprintf_ not defined yet */
+#endif  // !defined( wxVsnprintf_ ) && wxUSE_PRINTF_POS_PARAMS
 
 #ifndef wxSnprintf_
     /* no [v]snprintf(), cook our own */