fixed wxMBConv_iconv::GetMBNul()

[wxWidgets.git] / src / common / wxchar.cpp

diff --git a/src/common/wxchar.cpp b/src/common/wxchar.cpp
index 75e2858629cefe54bd5940acbab1ee4246bc9502..d70f0f5350d7ea778835619dc3fa6484858b4614 100644 (file)
--- a/src/common/wxchar.cpp
+++ b/src/common/wxchar.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wxchar.cpp
+// Name:        src/common/wxchar.cpp
 // Purpose:     wxChar implementation
 // Author:      Ove Kåven
 // Modified by: Ron Lee
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-  #pragma implementation "wxchar.h"
-#endif
-
 // ===========================================================================
 // headers, declarations, constants
 // ===========================================================================
@@ -65,7 +61,7 @@ using namespace std ;
 size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
 {
   // assume that we have mbsrtowcs() too if we have wcsrtombs()
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
   mbstate_t mbstate;
   memset(&mbstate, 0, sizeof(mbstate_t));
 #endif
@@ -78,20 +74,26 @@ size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
 #ifdef HAVE_WCSRTOMBS
     return mbsrtowcs(buf, &psz, n, &mbstate);
 #else
-    return mbstowcs(buf, psz, n);
+    return wxMbstowcs(buf, psz, n);
 #endif
   }
 
+  // note that we rely on common (and required by Unix98 but unfortunately not
+  // C99) extension which allows to call mbs(r)towcs() with NULL output pointer
+  // to just get the size of the needed buffer -- this is needed as otherwise
+  // we have no idea about how much space we need and if the CRT doesn't
+  // support it (the only currently known example being Metrowerks, see
+  // wx/wxchar.h) we don't use its mbstowcs() at all
 #ifdef HAVE_WCSRTOMBS
   return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
 #else
-  return mbstowcs((wchar_t *) NULL, psz, 0);
+  return wxMbstowcs((wchar_t *) NULL, psz, 0);
 #endif
 }
 
 size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
 {
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
   mbstate_t mbstate;
   memset(&mbstate, 0, sizeof(mbstate_t));
 #endif
@@ -102,17 +104,17 @@ size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
       if (n) *buf = '\0';
       return 0;
     }
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
     return wcsrtombs(buf, &pwz, n, &mbstate);
 #else
-    return wcstombs(buf, pwz, n);
+    return wxWcstombs(buf, pwz, n);
 #endif
   }
 
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
   return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
 #else
-  return wcstombs((char *) NULL, pwz, 0);
+  return wxWcstombs((char *) NULL, pwz, 0);
 #endif
 }
 #endif // wxUSE_WCHAR_T
@@ -1070,9 +1072,9 @@ WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)CharLower((LPTSTR)(ch)); }
 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)CharUpper((LPTSTR)(ch)); }
 #endif
 
-#if defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
+#ifdef wxNEED_WX_MBSTOWCS
 
-WXDLLEXPORT size_t wxInternalMbstowcs (wchar_t * out, const char * in, size_t outlen)
+WXDLLEXPORT size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
 {
     if (!out)
     {
@@ -1094,7 +1096,7 @@ WXDLLEXPORT size_t wxInternalMbstowcs (wchar_t * out, const char * in, size_t ou
     return in - origin;
 }
 
-WXDLLEXPORT size_t     wxInternalWcstombs (char * out, const wchar_t * in, size_t outlen)
+WXDLLEXPORT size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
 {
     if (!out)
     {
@@ -1116,6 +1118,8 @@ WXDLLEXPORT size_t        wxInternalWcstombs (char * out, const wchar_t * in, size_t ou
     return in - origin;
 }
 
+#endif // wxNEED_WX_MBSTOWCS
+
 #if defined(wxNEED_WX_CTYPE_H)
 
 #include <CoreFoundation/CoreFoundation.h>
@@ -1147,8 +1151,6 @@ WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)toupper((char)(ch)); }
 
 #endif  // wxNEED_WX_CTYPE_H
 
-#endif  // defined(__DARWIN__) and OSX <= 10.2
-
 #ifndef wxStrdupA
 
 WXDLLEXPORT char *wxStrdupA(const char *s)
@@ -1451,8 +1453,8 @@ double   WXDLLEXPORT wxAtof(const wxChar *psz)
     wxString str(psz);
     if (str.ToDouble(& d))
         return d;
-    else
-        return 0.0;
+
+    return 0.0;
 #else
     return atof(wxConvLibc.cWX2MB(psz));
 #endif
@@ -1578,7 +1580,7 @@ WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_pt
 // missing C RTL functions
 // ----------------------------------------------------------------------------
 
-#if wxNEED_STRDUP
+#ifdef wxNEED_STRDUP
 
 char *strdup(const char *s)
 {
@@ -1600,3 +1602,11 @@ void *calloc( size_t num, size_t size )
 
 #endif // __WXWINCE__ <= 211
 
+#ifdef __WXWINCE__
+
+int wxRemove(const wxChar *path)
+{
+    return ::DeleteFile(path) == 0;
+}
+
+#endif