rtti api mods added

[wxWidgets.git] / src / os2 / gsocket.c

diff --git a/src/os2/gsocket.c b/src/os2/gsocket.c
index 1aa27bf4115dd5456b93d522dea99ba50df8ee63..268b7860c476091f7b5aa7143c397328a7f7236a 100644 (file)
--- a/src/os2/gsocket.c
+++ b/src/os2/gsocket.c
@@ -4,6 +4,7 @@
  * Authors: Guilhem Lavaux,
  *          Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
  * Purpose: GSocket main Unix-style file
  * Authors: Guilhem Lavaux,
  *          Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
  * Purpose: GSocket main Unix-style file

+ * Licence: The wxWindows licence

  * CVSID:   $Id$
  * -------------------------------------------------------------------------
  */
  * CVSID:   $Id$
  * -------------------------------------------------------------------------
  */


@@ -28,7 +29,8 @@
 #define BSD_SELECT /* use Berkley Sockets select */
 
 #include <assert.h>
 #define BSD_SELECT /* use Berkley Sockets select */
 
 #include <assert.h>

-#include <sys\types.h>
+#include <sys/types.h>
+

 #ifdef __EMX__
 #include <sys/time.h>
 #include <netinet/in.h>
 #ifdef __EMX__
 #include <sys/time.h>
 #include <netinet/in.h>


@@ -38,24 +40,35 @@
 #include <unistd.h>
 #include <sys/un.h>
 #define HAVE_INET_ADDR
 #include <unistd.h>
 #include <sys/un.h>
 #define HAVE_INET_ADDR

+

 #else
 #else

-#include <utils.h>
-#include <sys\time.h>
+
+#include <string.h>
+
+#include <sys/time.h>

 #include <types.h>
 #include <types.h>

-#include <in.h>
+#include <netinet/in.h>

 #include <netdb.h>
 #include <nerrno.h>
 #include <netdb.h>
 #include <nerrno.h>

+

 #endif
 #endif

+

 #if defined(__VISAGECPP__) && __IBMCPP__ < 400
 #if defined(__VISAGECPP__) && __IBMCPP__ < 400

-#include <machine\endian.h>
+
+#include <machine/endian.h>

 #include <socket.h>
 #include <ioctl.h>
 #include <select.h>
 #include <unistd.h>
 #include <socket.h>
 #include <ioctl.h>
 #include <select.h>
 #include <unistd.h>

+
+#define EBADF   SOCEBADF
+

 #else
 #else

-#include <sys\socket.h>
-#include <sys\ioctl.h>
-#include <sys\select.h>
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/select.h>
+

 #ifdef __EMX__
 #define soclose(a) close(a)
 #else
 #ifdef __EMX__
 #define soclose(a) close(a)
 #else


@@ -69,7 +82,6 @@ int _System soclose(int);
 #endif
 #endif
 
 #endif
 #endif
 

-#include <string.h>

 #include <stdio.h>
 #if (defined(__VISAGECPP__) && __IBMCPP__ < 400) || defined(__EMX__)
 #  ifdef min
 #include <stdio.h>
 #if (defined(__VISAGECPP__) && __IBMCPP__ < 400) || defined(__EMX__)
 #  ifdef min


@@ -79,6 +91,7 @@ int _System soclose(int);
 #endif
 #include <stddef.h>
 #include <ctype.h>
 #endif
 #include <stddef.h>
 #include <ctype.h>

+#include <stdlib.h>

 
 #include <signal.h>
 
 
 #include <signal.h>
 


@@ -119,6 +132,7 @@ int _System soclose(int);
   signal(SIGPIPE, old_handler);             \
 }
 
   signal(SIGPIPE, old_handler);             \
 }
 

+

 #ifndef __GSOCKET_STANDALONE__
 #  include "wx/unix/gsockunx.h"
 #  include "wx/gsocket.h"
 #ifndef __GSOCKET_STANDALONE__
 #  include "wx/unix/gsockunx.h"
 #  include "wx/gsocket.h"


@@ -127,33 +141,67 @@ int _System soclose(int);
 #  include "gsocket.h"
 #endif /* __GSOCKET_STANDALONE__ */
 
 #  include "gsocket.h"
 #endif /* __GSOCKET_STANDALONE__ */
 

-/* redefine some GUI-only functions to do nothing in console mode */
-#if defined(wxUSE_GUI) && !wxUSE_GUI
-#  define _GSocket_GUI_Init(socket) (1)
-#  define _GSocket_GUI_Destroy(socket)
-#  define _GSocket_Enable_Events(socket)
-#  define _GSocket_Disable_Events(socket)
-#  define _GSocket_Install_Callback(socket, event)
-#  define _GSocket_Uninstall_Callback(socket, event)
-#endif /* wxUSE_GUI */
-

 /* debugging helpers */
 /* debugging helpers */

-#define  __GSOCKET_DEBUG__

 #ifdef __GSOCKET_DEBUG__
 #  define GSocket_Debug(args) printf args
 #else
 #  define GSocket_Debug(args)
 #endif /* __GSOCKET_DEBUG__ */
 
 #ifdef __GSOCKET_DEBUG__
 #  define GSocket_Debug(args) printf args
 #else
 #  define GSocket_Debug(args)
 #endif /* __GSOCKET_DEBUG__ */
 

+/* Table of GUI-related functions. We must call them indirectly because
+ * of wxBase and GUI separation: */
+
+static struct GSocketGUIFunctionsTable *gs_gui_functions;
+
+#define USE_GUI() (gs_gui_functions != NULL)
+
+/* Define macros to simplify indirection: */
+#define _GSocket_GUI_Init() \
+    if (gs_gui_functions) gs_gui_functions->GUI_Init()
+#define _GSocket_GUI_Cleanup() \
+    if (gs_gui_functions) gs_gui_functions->GUI_Cleanup()
+#define _GSocket_GUI_Init_Socket(socket) \
+    (gs_gui_functions ? gs_gui_functions->GUI_Init_Socket(socket) : 1)
+#define _GSocket_GUI_Destroy_Socket(socket) \
+    if (gs_gui_functions) gs_gui_functions->GUI_Destroy_Socket(socket)
+#define _GSocket_Enable_Events(socket) \
+    if (gs_gui_functions) gs_gui_functions->Enable_Events(socket)
+#define _GSocket_Disable_Events(socket) \
+    if (gs_gui_functions) gs_gui_functions->Disable_Events(socket)
+#define _GSocket_Install_Callback(socket, event) \
+    if (gs_gui_functions) gs_gui_functions->Install_Callback(socket, event)
+#define _GSocket_Uninstall_Callback(socket, event) \
+    if (gs_gui_functions) gs_gui_functions->Uninstall_Callback(socket, event)
+
+static struct GSocketBaseFunctionsTable gs_base_functions =
+{
+    _GSocket_Detected_Read,
+    _GSocket_Detected_Write
+};
+

 /* Global initialisers */
 
 /* Global initialisers */
 

+void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *guifunc)
+{
+  gs_gui_functions = guifunc;
+}
+         

 int GSocket_Init(void)
 {
 int GSocket_Init(void)
 {

+  if (gs_gui_functions)
+  {
+      if ( !gs_gui_functions->GUI_Init() )
+        return 0;
+  }

   return 1;
 }
 
 void GSocket_Cleanup(void)
 {
   return 1;
 }
 
 void GSocket_Cleanup(void)
 {

+  if (gs_gui_functions)
+  {
+      gs_gui_functions->GUI_Cleanup();
+  }

 }
 
 /* Constructors / Destructors for GSocket */
 }
 
 /* Constructors / Destructors for GSocket */


@@ -185,8 +233,10 @@ GSocket *GSocket_new(void)
                                 /* 10 minutes * 60 sec * 1000 millisec */
   socket->m_establishing        = FALSE;
 
                                 /* 10 minutes * 60 sec * 1000 millisec */
   socket->m_establishing        = FALSE;
 

+  socket->m_functions           = &gs_base_functions;
+

   /* Per-socket GUI-specific initialization */
   /* Per-socket GUI-specific initialization */

-  success = _GSocket_GUI_Init(socket);
+  success = _GSocket_GUI_Init_Socket(socket);

   if (!success)
   {
     free(socket);
   if (!success)
   {
     free(socket);


@@ -196,6 +246,13 @@ GSocket *GSocket_new(void)
   return socket;
 }
 
   return socket;
 }
 

+void GSocket_close(GSocket *socket)
+{
+    _GSocket_Disable_Events(socket);
+    soclose(socket->m_fd);
+    socket->m_fd = INVALID_SOCKET;
+}
+

 void GSocket_destroy(GSocket *socket)
 {
   assert(socket != NULL);
 void GSocket_destroy(GSocket *socket)
 {
   assert(socket != NULL);


@@ -205,7 +262,7 @@ void GSocket_destroy(GSocket *socket)
     GSocket_Shutdown(socket);
 
   /* Per-socket GUI-specific cleanup */
     GSocket_Shutdown(socket);
 
   /* Per-socket GUI-specific cleanup */

-  _GSocket_GUI_Destroy(socket);
+  _GSocket_GUI_Destroy_Socket(socket);

 
   /* Destroy private addresses */
   if (socket->m_local)
 
   /* Destroy private addresses */
   if (socket->m_local)


@@ -232,8 +289,7 @@ void GSocket_Shutdown(GSocket *socket)
   if (socket->m_fd != INVALID_SOCKET)
   {
     shutdown(socket->m_fd, 2);
   if (socket->m_fd != INVALID_SOCKET)
   {
     shutdown(socket->m_fd, 2);

-    soclose(socket->m_fd);
-    socket->m_fd = INVALID_SOCKET;
+    GSocket_close(socket);

   }
 
   /* Disable GUI callbacks */
   }
 
   /* Disable GUI callbacks */


@@ -407,7 +463,7 @@ GSocketError GSocket_SetServer(GSocket *sck)
     return GSOCK_IOERR;
   }
 
     return GSOCK_IOERR;
   }
 

-  ioctl(sck->m_fd, FIONBIO, &arg);
+  ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(arg));

   _GSocket_Enable_Events(sck);
 
   /* Bind to the local address,
   _GSocket_Enable_Events(sck);
 
   /* Bind to the local address,


@@ -420,8 +476,7 @@ GSocketError GSocket_SetServer(GSocket *sck)
                    (SOCKLEN_T *) &sck->m_local->m_len) != 0) ||
       (listen(sck->m_fd, 5) != 0))
   {
                    (SOCKLEN_T *) &sck->m_local->m_len) != 0) ||
       (listen(sck->m_fd, 5) != 0))
   {

-    soclose(sck->m_fd);
-    sck->m_fd = INVALID_SOCKET;
+    GSocket_close(sck);

     sck->m_error = GSOCK_IOERR;
     return GSOCK_IOERR;
   }
     sck->m_error = GSOCK_IOERR;
     return GSOCK_IOERR;
   }


@@ -513,7 +568,7 @@ GSocket *GSocket_WaitConnection(GSocket *socket)
     return NULL;
   }
 
     return NULL;
   }
 

-  ioctl(connection->m_fd, FIONBIO, &arg);
+  ioctl(connection->m_fd, FIONBIO, (char*)&arg, sizeof(arg));

   _GSocket_Enable_Events(connection);
 
   return connection;
   _GSocket_Enable_Events(connection);
 
   return connection;


@@ -582,14 +637,12 @@ GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
     return GSOCK_IOERR;
   }
 
     return GSOCK_IOERR;
   }
 

-  ioctl(sck->m_fd, FIONBIO, &arg);
+  ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(arg));

   _GSocket_Enable_Events(sck);
 
   /* Connect it to the peer address, with a timeout (see below) */
   ret = connect(sck->m_fd, sck->m_peer->m_addr, sck->m_peer->m_len);
 
   _GSocket_Enable_Events(sck);
 
   /* Connect it to the peer address, with a timeout (see below) */
   ret = connect(sck->m_fd, sck->m_peer->m_addr, sck->m_peer->m_len);
 

-  printf("connect on %d to %X (%d) returned %d, errno = %d\n",
-        sck->m_fd, sck->m_peer->m_addr, sck->m_peer->m_len, ret, errno);

   if (ret == -1)
   {
     err = errno;
   if (ret == -1)
   {
     err = errno;


@@ -603,8 +656,7 @@ GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
     {
       if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT)
       {
     {
       if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT)
       {

-        soclose(sck->m_fd);
-        sck->m_fd = INVALID_SOCKET;
+        GSocket_close(sck);

         /* sck->m_error is set in _GSocket_Output_Timeout */
         return GSOCK_TIMEDOUT;
       }
         /* sck->m_error is set in _GSocket_Output_Timeout */
         return GSOCK_TIMEDOUT;
       }


@@ -636,8 +688,7 @@ GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
     /* If connect failed with an error other than EINPROGRESS,
      * then the call to GSocket_Connect has failed.
      */
     /* If connect failed with an error other than EINPROGRESS,
      * then the call to GSocket_Connect has failed.
      */

-    soclose(sck->m_fd);
-    sck->m_fd = INVALID_SOCKET;
+    GSocket_close(sck);

     sck->m_error = GSOCK_IOERR;
     return GSOCK_IOERR;
   }
     sck->m_error = GSOCK_IOERR;
     return GSOCK_IOERR;
   }


@@ -690,7 +741,7 @@ GSocketError GSocket_SetNonOriented(GSocket *sck)
     return GSOCK_IOERR;
   }
 
     return GSOCK_IOERR;
   }
 

-  ioctl(sck->m_fd, FIONBIO, &arg);
+  ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(arg));

   _GSocket_Enable_Events(sck);
 
   /* Bind to the local address,
   _GSocket_Enable_Events(sck);
 
   /* Bind to the local address,


@@ -701,8 +752,7 @@ GSocketError GSocket_SetNonOriented(GSocket *sck)
                    sck->m_local->m_addr,
                    (SOCKLEN_T *) &sck->m_local->m_len) != 0))
   {
                    sck->m_local->m_addr,
                    (SOCKLEN_T *) &sck->m_local->m_len) != 0))
   {

-    soclose(sck->m_fd);
-    sck->m_fd    = INVALID_SOCKET;
+    GSocket_close(sck);

     sck->m_error = GSOCK_IOERR;
     return GSOCK_IOERR;
   }
     sck->m_error = GSOCK_IOERR;
     return GSOCK_IOERR;
   }


@@ -815,104 +865,126 @@ int GSocket_Write(GSocket *socket, const char *buffer, int size)
  */
 GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
 {
  */
 GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
 {

-#if defined(wxUSE_GUI) && !wxUSE_GUI
+  if (!USE_GUI())
+  {

 
 

-  GSocketEventFlags result = 0;
-  fd_set readfds;
-  fd_set writefds;
-  fd_set exceptfds;
-  struct timeval tv;
+    GSocketEventFlags result = 0;
+    fd_set readfds;
+    fd_set writefds;
+    fd_set exceptfds;
+    struct timeval tv;

 
 

-  /* Do not use a static struct, Linux can garble it */
-  tv.tv_sec = 0;
-  tv.tv_usec = 0;
+    /* Do not use a static struct, Linux can garble it */
+    tv.tv_sec = 0;
+    tv.tv_usec = 0;

 
 

-  assert(socket != NULL);
+    assert(socket != NULL);

 
 

-  FD_ZERO(&readfds);
-  FD_ZERO(&writefds);
-  FD_ZERO(&exceptfds);
-  FD_SET(socket->m_fd, &readfds);
-  FD_SET(socket->m_fd, &writefds);
-  FD_SET(socket->m_fd, &exceptfds);
+    FD_ZERO(&readfds);
+    FD_ZERO(&writefds);
+    FD_ZERO(&exceptfds);
+    FD_SET(socket->m_fd, &readfds);
+    FD_SET(socket->m_fd, &writefds);
+    FD_SET(socket->m_fd, &exceptfds);

 
 

-  /* Check known state first */
-  result |= (GSOCK_CONNECTION_FLAG & socket->m_detected & flags);
-  result |= (GSOCK_LOST_FLAG       & socket->m_detected & flags);
+    /* Check 'sticky' CONNECTION flag first */
+    result |= (GSOCK_CONNECTION_FLAG & socket->m_detected);

 
 

-  /* Try select now */
-  if (select(socket->m_fd + 1, &readfds, &writefds, &exceptfds, &tv) <= 0)
-    return result;
+    /* If we have already detected a LOST event, then don't try
+     * to do any further processing.
+     */
+    if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
+    {
+      socket->m_establishing = FALSE;

 
 

-  /* Check for readability */
-  if (FD_ISSET(socket->m_fd, &readfds))
-  {
-    char c;
+      return (GSOCK_LOST_FLAG & flags);
+    }

 
 

-    if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
+    /* Try select now */
+    if (select(socket->m_fd + 1, &readfds, &writefds, &exceptfds, &tv) <= 0)

     {
     {

-      result |= (GSOCK_INPUT_FLAG & flags);
+      /* What to do here? */
+      return (result & flags);

     }
     }

-    else
+
+    /* Check for readability */
+    if (FD_ISSET(socket->m_fd, &readfds))

     {
     {

-      if (socket->m_server && socket->m_stream)
+      char c;
+
+      if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)

       {
       {

-        result |= (GSOCK_CONNECTION_FLAG & flags);
-        socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        result |= GSOCK_INPUT_FLAG;

       }
       else
       {
       }
       else
       {

-        result |= (GSOCK_LOST_FLAG & flags);
-        socket->m_detected = GSOCK_LOST_FLAG;
+        if (socket->m_server && socket->m_stream)
+        {
+          result |= GSOCK_CONNECTION_FLAG;
+          socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        }
+        else
+        {
+          socket->m_detected = GSOCK_LOST_FLAG;
+          socket->m_establishing = FALSE;
+      
+          /* LOST event: Abort any further processing */
+          return (GSOCK_LOST_FLAG & flags);
+        }

       }
     }
       }
     }

-  }

 
 

-  /* Check for writability */
-  if (FD_ISSET(socket->m_fd, &writefds))
-  {
-    if (socket->m_establishing && !socket->m_server)
+    /* Check for writability */
+    if (FD_ISSET(socket->m_fd, &writefds))

     {
     {

-      int error;
-      SOCKLEN_T len = sizeof(error);
+      if (socket->m_establishing && !socket->m_server)
+      {
+        int error;
+        SOCKLEN_T len = sizeof(error);

 
 

-      socket->m_establishing = FALSE;
+        socket->m_establishing = FALSE;

 
 

-      getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
+        getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);

 
 

-      if (error)
-      {
-        result |= (GSOCK_LOST_FLAG & flags);
-        socket->m_detected = GSOCK_LOST_FLAG;
+        if (error)
+        {
+          socket->m_detected = GSOCK_LOST_FLAG;
+
+          /* LOST event: Abort any further processing */
+          return (GSOCK_LOST_FLAG & flags);
+        }
+        else
+        {
+          result |= GSOCK_CONNECTION_FLAG;
+          socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        }

       }
       else
       {
       }
       else
       {

-        result |= (GSOCK_CONNECTION_FLAG & flags);
-        socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        result |= GSOCK_OUTPUT_FLAG;

       }
     }
       }
     }

-    else
+
+    /* Check for exceptions and errors (is this useful in Unices?) */
+    if (FD_ISSET(socket->m_fd, &exceptfds))

     {
     {

-      result |= (GSOCK_OUTPUT_FLAG & flags);
-    }
-  }
+      socket->m_establishing = FALSE;
+      socket->m_detected = GSOCK_LOST_FLAG;

 
 

-  /* Check for exceptions and errors (is this useful in Unices?) */
-  if (FD_ISSET(socket->m_fd, &exceptfds))
-  {
-    result |= (GSOCK_LOST_FLAG & flags);
-    socket->m_establishing = FALSE;
-    socket->m_detected = GSOCK_LOST_FLAG;
-  }
+      /* LOST event: Abort any further processing */
+      return (GSOCK_LOST_FLAG & flags);
+    }

 
 

-  return result;
+    return (result & flags);

 
 

-#else 
+  }
+  else
+  {

 
 

-  assert(socket != NULL);
-  return flags & socket->m_detected;
+    assert(socket != NULL);
+    return flags & socket->m_detected;

 
 

-#endif /* !wxUSE_GUI */
+  }

 }
 
 /* Flags */
 }
 
 /* Flags */


@@ -994,8 +1066,6 @@ void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
   {
     if ((flags & (1 << count)) != 0)
     {
   {
     if ((flags & (1 << count)) != 0)
     {

-      printf("Setting callback no %d for socket at %X to address %X,data %X\n",
-            count, socket, callback, cdata);

       socket->m_cbacks[count] = callback;
       socket->m_data[count] = cdata;
     }
       socket->m_cbacks[count] = callback;
       socket->m_data[count] = cdata;
     }


@@ -1016,8 +1086,6 @@ void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
   {
     if ((flags & (1 << count)) != 0)
     {
   {
     if ((flags & (1 << count)) != 0)
     {

-      printf("Removing callback no %d for socket at %X",
-            count, socket);

       socket->m_cbacks[count] = NULL;
       socket->m_data[count] = NULL;
     }
       socket->m_cbacks[count] = NULL;
       socket->m_data[count] = NULL;
     }


@@ -1027,11 +1095,8 @@ void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
 
 #define CALL_CALLBACK(socket, event) {                                  \
   _GSocket_Disable(socket, event);                                      \
 
 #define CALL_CALLBACK(socket, event) {                                  \
   _GSocket_Disable(socket, event);                                      \

-  if (socket->m_cbacks[event]){                                         \
-    printf("Call callback for event %d, socket %X: %X, %X\n", event,    \
-            socket, socket->m_cbacks[event], socket->m_data[event]);    \
+  if (socket->m_cbacks[event])                                          \

     socket->m_cbacks[event](socket, event, socket->m_data[event]);      \
     socket->m_cbacks[event](socket, event, socket->m_data[event]);      \

-  }                                                                     \

 }
 
 
 }
 
 


@@ -1181,10 +1246,13 @@ int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size)
 {
   int ret;
 
 {
   int ret;
 

+#ifdef __EMX__

   MASK_SIGNAL();
   ret = send(socket->m_fd, buffer, size, 0);
   UNMASK_SIGNAL();
   MASK_SIGNAL();
   ret = send(socket->m_fd, buffer, size, 0);
   UNMASK_SIGNAL();

-
+#else
+  ret = send(socket->m_fd, (char *)buffer, size, 0);
+#endif

   return ret;
 }
 
   return ret;
 }
 


@@ -1207,9 +1275,13 @@ int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size)
     return -1;
   }
 
     return -1;
   }
 

+#ifdef __EMX__

   MASK_SIGNAL();
   ret = sendto(socket->m_fd, buffer, size, 0, addr, len);
   UNMASK_SIGNAL();
   MASK_SIGNAL();
   ret = sendto(socket->m_fd, buffer, size, 0, addr, len);
   UNMASK_SIGNAL();

+#else
+  ret = sendto(socket->m_fd, (char *)buffer, size, 0, addr, len);
+#endif

 
   /* Frees memory allocated from _GAddress_translate_to */
   free(addr);
 
   /* Frees memory allocated from _GAddress_translate_to */
   free(addr);


@@ -1221,6 +1293,18 @@ void _GSocket_Detected_Read(GSocket *socket)
 {
   char c;
 
 {
   char c;
 

+  /* If we have already detected a LOST event, then don't try
+   * to do any further processing.
+   */
+  if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
+  {
+    socket->m_establishing = FALSE;
+
+    CALL_CALLBACK(socket, GSOCK_LOST);
+    GSocket_Shutdown(socket);
+    return;
+  }
+

   if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
   {
     CALL_CALLBACK(socket, GSOCK_INPUT);
   if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
   {
     CALL_CALLBACK(socket, GSOCK_INPUT);


@@ -1234,12 +1318,25 @@ void _GSocket_Detected_Read(GSocket *socket)
     else
     {
       CALL_CALLBACK(socket, GSOCK_LOST);
     else
     {
       CALL_CALLBACK(socket, GSOCK_LOST);

+      GSocket_Shutdown(socket);

     }
   }
 }
 
 void _GSocket_Detected_Write(GSocket *socket)
 {
     }
   }
 }
 
 void _GSocket_Detected_Write(GSocket *socket)
 {

+  /* If we have already detected a LOST event, then don't try
+   * to do any further processing.
+   */
+  if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
+  {
+    socket->m_establishing = FALSE;
+
+    CALL_CALLBACK(socket, GSOCK_LOST);
+    GSocket_Shutdown(socket);
+    return;
+  }
+

   if (socket->m_establishing && !socket->m_server)
   {
     int error;
   if (socket->m_establishing && !socket->m_server)
   {
     int error;


@@ -1252,6 +1349,7 @@ void _GSocket_Detected_Write(GSocket *socket)
     if (error)
     {
       CALL_CALLBACK(socket, GSOCK_LOST);
     if (error)
     {
       CALL_CALLBACK(socket, GSOCK_LOST);

+      GSocket_Shutdown(socket);

     }
     else
     {
     }
     else
     {


@@ -1332,7 +1430,7 @@ GAddress *GAddress_copy(GAddress *address)
 
   memcpy(addr2, address, sizeof(GAddress));
 
 
   memcpy(addr2, address, sizeof(GAddress));
 

-  if (address->m_addr)
+  if (address->m_addr && address->m_len > 0)

   {
     addr2->m_addr = (struct sockaddr *)malloc(addr2->m_len);
     if (addr2->m_addr == NULL)
   {
     addr2->m_addr = (struct sockaddr *)malloc(addr2->m_len);
     if (addr2->m_addr == NULL)


@@ -1471,11 +1569,13 @@ GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
   if (inet_aton(hostname, addr) == 0)
   {
 #elif defined(HAVE_INET_ADDR)
   if (inet_aton(hostname, addr) == 0)
   {
 #elif defined(HAVE_INET_ADDR)

-  if ( (addr->s_addr = inet_addr(hostname)) == -1 )
+  addr->s_addr = inet_addr(hostname);
+  if ( addr->s_addr == -1 )

   {
 #else
   /* Use gethostbyname by default */
   {
 #else
   /* Use gethostbyname by default */

-  if (1)
+  int val = 1;  //VA doesn't like constants in conditional expressions at all
+  if (val)

   {
 #endif
     struct in_addr *array_addr;
   {
 #endif
     struct in_addr *array_addr;


@@ -1532,6 +1632,8 @@ GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
   se = getservbyname(port, protocol);
   if (!se)
   {
   se = getservbyname(port, protocol);
   if (!se)
   {

+    /* the cast to int suppresses compiler warnings about subscript having the
+       type char */

     if (isdigit((int)port[0]))
     {
       int port_int;
     if (isdigit((int)port[0]))
     {
       int port_int;


@@ -1637,6 +1739,8 @@ GSocketError _GAddress_Init_UNIX(GAddress *address)
   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }
 

+#define UNIX_SOCK_PATHLEN (sizeof(addr->sun_path)/sizeof(addr->sun_path[0]))
+

 GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
 {
   struct sockaddr_un *addr;
 GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
 {
   struct sockaddr_un *addr;


@@ -1646,7 +1750,8 @@ GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
   CHECK_ADDRESS(address, UNIX); 
 
   addr = ((struct sockaddr_un *)address->m_addr);
   CHECK_ADDRESS(address, UNIX); 
 
   addr = ((struct sockaddr_un *)address->m_addr);

-  memcpy(addr->sun_path, path, strlen(path));
+  strncpy(addr->sun_path, path, UNIX_SOCK_PATHLEN);
+  addr->sun_path[UNIX_SOCK_PATHLEN - 1] = '\0';

 
   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }