changes wxDirExists() to accept wxString instead of wxChar*, so that it can be used with any string literals

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44596 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/function.tex

@@ -1114,7 +1114,7 @@ or drive name at the beginning.
 
 \membersection{::wxDirExists}\label{functionwxdirexists}
 
-\func{bool}{wxDirExists}{\param{const wxChar *}{dirname}}
+\func{bool}{wxDirExists}{\param{const wxString\& }{dirname}}
 
 Returns true if \arg{dirname} exists and is a directory.
 

include/wx/filefn.h

@@ -452,7 +452,7 @@ const int wxInvalidOffset = -1;
 WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename);
 
 // does the path exist? (may have or not '/' or '\\' at the end)
-WXDLLIMPEXP_BASE bool wxDirExists(const wxChar *pszPathName);
+WXDLLIMPEXP_BASE bool wxDirExists(const wxString& pathName);
 
 WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename);
 

src/common/filefn.cpp

@@ -1280,9 +1280,9 @@ bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
 }
 
 // does the path exists? (may have or not '/' or '\\' at the end)
-bool wxDirExists(const wxChar *pszPathName)
+bool wxDirExists(const wxString& pathName)
 {
-    wxString strPath(pszPathName);
+    wxString strPath(pathName);
 
 #if defined(__WINDOWS__) || defined(__OS2__)
     // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
@@ -1326,7 +1326,7 @@ bool wxDirExists(const wxChar *pszPathName)
     return wxStat(strPath.c_str(), &st) == 0 && ((st.st_mode & S_IFMT) == S_IFDIR);
 #else
     // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
-    return wxStat(pszPathName, &st) == 0 && (st.st_mode == S_IFDIR);
+    return wxStat(strPath.c_str(), &st) == 0 && (st.st_mode == S_IFDIR);
 #endif
 
 #endif // __WIN32__/!__WIN32__