add wxScrollHelper::ShowScrollbars() (implemented for GTK only right now, generic...

[wxWidgets.git] / src / msdos / utilsdos.cpp

diff --git a/src/msdos/utilsdos.cpp b/src/msdos/utilsdos.cpp
index 3b9328c561ac7128de61b402a23aedefaa62e195..93d9b31006c9c4ea5dcb0a5ff0e5203defb09568 100644 (file)
--- a/src/msdos/utilsdos.cpp
+++ b/src/msdos/utilsdos.cpp
@@ -96,7 +96,7 @@ bool wxGetEnv(const wxString& var, wxString *value)
     return true;
 }
 
-bool wxSetEnv(const wxString& variable, const wxChar *value)
+static bool wxDoSetEnv(const wxString& variable, const char *value)
 {
     wxString s = variable;
     if ( value )
@@ -112,6 +112,17 @@ bool wxSetEnv(const wxString& variable, const wxChar *value)
     return putenv(buf) == 0;
 }
 
+bool wxSetEnv(const wxString& variable, const wxString& value)
+{
+    return wxDoSetEnv(variable, value.mb_str());
+}
+
+bool wxUnsetEnv(const wxString& variable)
+{
+    return wxDoSetEnv(variable, NULL);
+}
+
+
 //----------------------------------------------------------------------------
 // Hostname, username, home directory
 //----------------------------------------------------------------------------
@@ -200,14 +211,14 @@ const wxChar* wxGetHomeDir(wxString *home)
     return strDir.c_str();
 }
 
-wxChar *wxGetUserHome(const wxString& user)
+wxString wxGetUserHome(const wxString& user)
 {
-    static wxString home;
+    wxString home;
 
     if (user.empty() || user == wxGetUserId())
-        return wx_const_cast(wxChar*, wxGetHomeDir(&home));
-    else
-        return _T("");
+        wxGetHomeDir(&home);
+
+    return home;
 }
 
 // returns %UserName%, $USER or just "user"
@@ -222,7 +233,7 @@ bool wxGetUserId(wxChar *buf, int n)
     if (!user)
         user = _T("user");
 
-    wxStrncpy(buf, user, n);
+    wxStrlcpy(buf, user, n);
     return true;
 }
 
@@ -243,7 +254,7 @@ bool wxGetHostName(wxChar *buf, int n)
     if (!host)
         host = _T("host");
 
-    wxStrncpy(buf, host, n);
+    wxStrlcpy(buf, host, n);
     return true;
 }
 
@@ -310,7 +321,7 @@ long wxExecute(const wxString& command, int flags, wxProcess *process)
 
     argv[n] = NULL;
     while (n-- > 0)
-        argv[n] = wx_const_cast(wxChar*, (const char *)args[n].c_str());
+        argv[n] = const_cast<wxChar*>((const char *)args[n].c_str());
 
     long result = wxExecute(argv, flags, process);