Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / unix / net.cpp

diff --git a/src/unix/net.cpp b/src/unix/net.cpp
index a87a2e8442d7c860a019475f17349ca1688672ca..268eb46b06bf39b2f21bfb84bd2be7d419eb6cec 100644 (file)
--- a/src/unix/net.cpp
+++ b/src/unix/net.cpp
@@ -1,11 +1,11 @@
 // -*- c++ -*- ///////////////////////////////////////////////////////////////
 // -*- c++ -*- ///////////////////////////////////////////////////////////////

-// Name:        unix/net.cpp
+// Name:        src/unix/net.cpp

 // Purpose:     Network related wxWindows classes and functions
 // Purpose:     Network related wxWindows classes and functions

-// Author:      Karsten Ballüder
+// Author:      Karsten Ballüder

 // Modified by:
 // Created:     03.10.99
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     03.10.99
 // RCS-ID:      $Id$

-// Copyright:   (c) Karsten Ballüder
+// Copyright:   (c) Karsten Ballüder

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -79,7 +79,7 @@ public:
        wxDialUpManager methods.
    */
    virtual bool IsOk() const
        wxDialUpManager methods.
    */
    virtual bool IsOk() const

-      { return TRUE; }
+      { return true; }

 
    /** The simplest way to initiate a dial up: this function dials the given
        ISP (exact meaning of the parameter depends on the platform), returns
 
    /** The simplest way to initiate a dial up: this function dials the given
        ISP (exact meaning of the parameter depends on the platform), returns


@@ -95,7 +95,7 @@ public:
 
    /// Hang up the currently active dial up connection.
    virtual bool HangUp();
 
    /// Hang up the currently active dial up connection.
    virtual bool HangUp();

-   
+

    // returns TRUE if the computer is connected to the network: under Windows,
    // this just means that a RAS connection exists, under Unix we check that
    // the "well-known host" (as specified by SetWellKnownHost) is reachable
    // returns TRUE if the computer is connected to the network: under Windows,
    // this just means that a RAS connection exists, under Unix we check that
    // the "well-known host" (as specified by SetWellKnownHost) is reachable


@@ -112,7 +112,7 @@ public:
    // so, in general, the user should be allowed to override it. This function
    // allows to forcefully set the online status - whatever our internal
    // algorithm may think about it.
    // so, in general, the user should be allowed to override it. This function
    // allows to forcefully set the online status - whatever our internal
    // algorithm may think about it.

-   virtual void SetOnlineStatus(bool isOnline = TRUE)
+   virtual void SetOnlineStatus(bool isOnline = true)

       { m_IsOnline = isOnline; }
 
    // set misc wxDialUpManager options
       { m_IsOnline = isOnline; }
 
    // set misc wxDialUpManager options


@@ -143,9 +143,9 @@ public:
       { m_ConnectCommand = command; m_HangUpCommand = hupcmd; }
 
 private:
       { m_ConnectCommand = command; m_HangUpCommand = hupcmd; }
 
 private:

-   /// -1: don´t know, 0 = no, 1 = yes
+   /// -1: don't know, 0 = no, 1 = yes

    int m_IsOnline;
    int m_IsOnline;

-   
+

    ///  Can we use ifconfig to list active devices?
    int m_CanUseIfconfig;
    /// The path to ifconfig
    ///  Can we use ifconfig to list active devices?
    int m_CanUseIfconfig;
    /// The path to ifconfig


@@ -180,11 +180,11 @@ public:
    AutoCheckTimer(wxDialUpManagerImpl *dupman)
       {
          m_dupman = dupman;
    AutoCheckTimer(wxDialUpManagerImpl *dupman)
       {
          m_dupman = dupman;

-         m_started = FALSE;
+         m_started = false;

       }
 
    virtual bool Start( int millisecs = -1 )
       }
 
    virtual bool Start( int millisecs = -1 )

-      { m_started = TRUE; return wxTimer::Start(millisecs, FALSE); }
+      { m_started = true; return wxTimer::Start(millisecs, false); }

 
    virtual void Notify()
       { wxLogTrace("Checking dial up network status."); m_dupman->CheckStatus(); }
 
    virtual void Notify()
       { wxLogTrace("Checking dial up network status."); m_dupman->CheckStatus(); }


@@ -202,7 +202,7 @@ wxDialUpManagerImpl::Dial(const wxString &isp,
                           const wxString & WXUNUSED(password))
 {
    if(m_IsOnline == 1)
                           const wxString & WXUNUSED(password))
 {
    if(m_IsOnline == 1)

-      return FALSE;
+      return false;

    m_IsOnline = -1;
    m_ISPname = isp;
    wxString cmd;
    m_IsOnline = -1;
    m_ISPname = isp;
    wxString cmd;


@@ -217,7 +217,7 @@ bool
 wxDialUpManagerImpl::HangUp(void)
 {
    if(m_IsOnline == 0)
 wxDialUpManagerImpl::HangUp(void)
 {
    if(m_IsOnline == 0)

-      return FALSE;
+      return false;

    m_IsOnline = -1;
    wxString cmd;
    if(m_HangUpCommand.Find("%s"))
    m_IsOnline = -1;
    wxString cmd;
    if(m_HangUpCommand.Find("%s"))


@@ -236,8 +236,7 @@ wxDialUpManagerImpl::EnableAutoCheckOnlineStatus(size_t nSeconds)
    bool rc = m_timer->Start(nSeconds*1000);
    if(! rc)
    {
    bool rc = m_timer->Start(nSeconds*1000);
    if(! rc)
    {

-      delete m_timer;
-      m_timer = NULL;
+      wxDELETE(m_timer);

    }
    return rc;
 }
    }
    return rc;
 }


@@ -247,8 +246,7 @@ wxDialUpManagerImpl::DisableAutoCheckOnlineStatus()
 {
    wxASSERT(m_timer != NULL);
    m_timer->Stop();
 {
    wxASSERT(m_timer != NULL);
    m_timer->Stop();

-   delete m_timer;
-   m_timer = NULL;
+   wxDELETE(m_timer);

 }
 
 
 }
 
 


@@ -257,15 +255,15 @@ wxDialUpManagerImpl::SetWellKnownHost(const wxString& hostname, int portno)
 {
    /// does hostname contain a port number?
    wxString port = hostname.After(':');
 {
    /// does hostname contain a port number?
    wxString port = hostname.After(':');

-   if(port.Length())
+   if(port.empty())

    {
    {

-      m_BeaconHost = hostname.Before(':');
-      m_BeaconPort = atoi(port);
+      m_BeaconHost = hostname;
+      m_BeaconPort = portno;

    }
    else
    {
    }
    else
    {

-      m_BeaconHost = hostname;
-      m_BeaconPort = portno;
+      m_BeaconHost = hostname.Before(':');
+      m_BeaconPort = atoi(port);

    }
 }
 
    }
 }
 


@@ -299,7 +297,7 @@ wxDialUpManagerImpl::CheckStatus(void) const
   3. check /proc/net/dev on linux??
      This method should be preferred, if possible. Need to do more
      testing.
   3. check /proc/net/dev on linux??
      This method should be preferred, if possible. Need to do more
      testing.

-    
+

 */
 
 void
 */
 
 void


@@ -318,17 +316,17 @@ wxDialUpManagerImpl::CheckStatusInternal(void)
    }
 
    wxLogNull ln; // suppress all error messages
    }
 
    wxLogNull ln; // suppress all error messages

-   // Let´s try the ifconfig method first, should be fastest:
+   // Let's try the ifconfig method first, should be fastest:

    if(m_CanUseIfconfig != 0) // unknown or yes
    {
    if(m_CanUseIfconfig != 0) // unknown or yes
    {

-      wxASSERT(m_IfconfigPath.length());
-      
+      wxASSERT( !m_IfconfigPath.empty() );
+

       wxString tmpfile = wxFileName::CreateTempFileName("_wxdialuptest");
       wxString cmd = "/bin/sh -c \'";
       cmd << m_IfconfigPath << " >" << tmpfile <<  '\'';
       /* I tried to add an option to wxExecute() to not close stdout,
          so we could let ifconfig write directly to the tmpfile, but
       wxString tmpfile = wxFileName::CreateTempFileName("_wxdialuptest");
       wxString cmd = "/bin/sh -c \'";
       cmd << m_IfconfigPath << " >" << tmpfile <<  '\'';
       /* I tried to add an option to wxExecute() to not close stdout,
          so we could let ifconfig write directly to the tmpfile, but

-         this does not work. That should be faster, as it doesn´t call 
+         this does not work. That should be faster, as it doesn't call

          the shell first. I have no idea why. :-(  (KB) */
 #if 0
       // temporarily redirect stdout/stderr:
          the shell first. I have no idea why. :-(  (KB) */
 #if 0
       // temporarily redirect stdout/stderr:


@@ -378,7 +376,7 @@ wxDialUpManagerImpl::CheckStatusInternal(void)
          // else m_IsOnline remains -1 as we don't know for sure
       }
       else // could not run ifconfig correctly
          // else m_IsOnline remains -1 as we don't know for sure
       }
       else // could not run ifconfig correctly

-         m_CanUseIfconfig = 0; // don´t try again
+         m_CanUseIfconfig = 0; // don't try again

       (void) wxRemoveFile(tmpfile);
       if(m_IsOnline != -1) // we are done
          return;
       (void) wxRemoveFile(tmpfile);
       if(m_IsOnline != -1) // we are done
          return;


@@ -388,22 +386,22 @@ wxDialUpManagerImpl::CheckStatusInternal(void)
    // This can be used under Win 9x, too!
    struct hostent     *hp;
    struct sockaddr_in  serv_addr;
    // This can be used under Win 9x, too!
    struct hostent     *hp;
    struct sockaddr_in  serv_addr;

-   int sockfd;
+   int sockfd;

 
    m_IsOnline = 0; // assume false
    if((hp = gethostbyname(m_BeaconHost)) == NULL)
       return; // no DNS no net
 
    m_IsOnline = 0; // assume false
    if((hp = gethostbyname(m_BeaconHost)) == NULL)
       return; // no DNS no net

-   
-   serv_addr.sin_family                = hp->h_addrtype;
+
+   serv_addr.sin_family = hp->h_addrtype;

    memcpy(&serv_addr.sin_addr,hp->h_addr, hp->h_length);
    memcpy(&serv_addr.sin_addr,hp->h_addr, hp->h_length);

-   serv_addr.sin_port          = htons(m_BeaconPort);
-   if( ( sockfd = socket(hp->h_addrtype, SOCK_STREAM, 0)) < 0) 
-   {   
+   serv_addr.sin_port = htons(m_BeaconPort);
+   if( ( sockfd = socket(hp->h_addrtype, SOCK_STREAM, 0)) < 0)
+   {

       //  sys_error("cannot create socket for gw");
       return;
    }
    if( connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0)
       //  sys_error("cannot create socket for gw");
       return;
    }
    if( connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0)

-   {   
+   {

       //sys_error("cannot connect to server");
       return;
    }
       //sys_error("cannot connect to server");
       return;
    }