fix for potention crash when conversion fails

[wxWidgets.git] / src / gtk1 / utilsgtk.cpp

diff --git a/src/gtk1/utilsgtk.cpp b/src/gtk1/utilsgtk.cpp
index f1346abc17b2edef3668b446a1ac2a23fde3f5e5..56fb435d13e05f7e435139ae4f3e60130af91be8 100644 (file)
--- a/src/gtk1/utilsgtk.cpp
+++ b/src/gtk1/utilsgtk.cpp
@@ -1,17 +1,24 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        src/gtk/utilsgtk.cpp
+// Name:        src/gtk1/utilsgtk.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/utils.h"
-#include "wx/string.h"
 
-#include "wx/intl.h"
-#include "wx/log.h"
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+#endif
+
+#include "wx/apptrait.h"
 
 #include "wx/process.h"
 
@@ -27,9 +34,7 @@
 #include "glib.h"
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"
-#ifndef __WXGTK20__
 #include "gtk/gtkfeatures.h"
-#endif
 #include "gdk/gdkx.h"
 
 #ifdef HAVE_X11_XKBLIB_H
@@ -52,11 +57,14 @@ extern GtkWidget *wxGetRootWindow();
 //----------------------------------------------------------------------------
 // misc.
 //----------------------------------------------------------------------------
+#ifndef __EMX__
+// on OS/2, we use the wxBell from wxBase library
 
 void wxBell()
 {
     gdk_beep();
 }
+#endif
 
 /* Don't synthesize KeyUp events holding down a key and producing
    KeyDown events with autorepeat. */
@@ -65,12 +73,12 @@ bool wxSetDetectableAutoRepeat( bool flag )
 {
     Bool result;
     XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result );
-    return result;       /* TRUE if keyboard hardware supports this mode */
+    return result;       /* true if keyboard hardware supports this mode */
 }
 #else
 bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
 {
-    return FALSE;
+    return false;
 }
 #endif
 
@@ -113,7 +121,7 @@ void wxGetMousePosition( int* x, int* y )
 
 bool wxColourDisplay()
 {
-    return TRUE;
+    return true;
 }
 
 int wxDisplayDepth()
@@ -121,12 +129,19 @@ int wxDisplayDepth()
     return gdk_window_get_visual( wxGetRootWindow()->window )->depth;
 }
 
-int wxGetOsVersion(int *majorVsn, int *minorVsn)
+wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
 {
-  if (majorVsn) *majorVsn = GTK_MAJOR_VERSION;
-  if (minorVsn) *minorVsn = GTK_MINOR_VERSION;
-
-  return wxGTK;
+    static wxToolkitInfo info;
+    info.shortName = _T("gtk");
+    info.name = _T("wxGTK");
+#ifdef __WXUNIVERSAL__
+    info.shortName << _T("univ");
+    info.name << _T("/wxUniversal");
+#endif
+    info.versionMajor = gtk_major_version;
+    info.versionMinor = gtk_minor_version;
+    info.os = wxGTK;
+    return info;
 }
 
 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
@@ -139,8 +154,10 @@ wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 // subprocess routines
 // ----------------------------------------------------------------------------
 
-static void GTK_EndProcessDetector(gpointer data, gint source,
-                                   GdkInputCondition WXUNUSED(condition) )
+extern "C" {
+static
+void GTK_EndProcessDetector(gpointer data, gint source,
+                            GdkInputCondition WXUNUSED(condition) )
 {
    wxEndProcessData *proc_data = (wxEndProcessData *)data;
 
@@ -148,12 +165,19 @@ static void GTK_EndProcessDetector(gpointer data, gint source,
    // generate G_IO_HUP notification even when it simply tries to read from a
    // closed fd and hasn't terminated at all
    int pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
-   if ( waitpid(pid, NULL, WNOHANG) == 0 )
+   int status = 0;
+   int rc = waitpid(pid, &status, WNOHANG);
+
+   if ( rc == 0 )
    {
        // no, it didn't exit yet, continue waiting
        return;
    }
 
+   // set exit code to -1 if something bad happened
+   proc_data->exitcode = rc != -1 && WIFEXITED(status) ? WEXITSTATUS(status)
+                                                      : -1;
+
    // child exited, end waiting
    close(source);
 
@@ -162,6 +186,7 @@ static void GTK_EndProcessDetector(gpointer data, gint source,
 
    wxHandleProcessTermination(proc_data);
 }
+}
 
 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 {
@@ -172,4 +197,3 @@ int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 
     return tag;
 }
-