check that we use bitmaps of correct size in the image list

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

diff --git a/src/unix/gsocket.c b/src/unix/gsocket.c
index d2076f9a58b949b9fac5cf0cbd051c6f1b28862b..09924de2267ef8f945a230f963d944f97af957ee 100644 (file)
--- a/src/unix/gsocket.c
+++ b/src/unix/gsocket.c
@@ -4,6 +4,7 @@
  * Authors: Guilhem Lavaux,
  *          Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
  * Purpose: GSocket main Unix file
  * Authors: Guilhem Lavaux,
  *          Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
  * Purpose: GSocket main Unix file

+ * Licence: The wxWindows licence

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


@@ -25,7 +26,8 @@
 
 #ifdef __VMS__
 #include <socket.h>
 
 #ifdef __VMS__
 #include <socket.h>

-struct sockaddr_un {
+struct sockaddr_un
+{

     u_char  sun_len;        /* sockaddr len including null */
     u_char  sun_family;     /* AF_UNIX */
     char    sun_path[108];  /* path name (gag) */
     u_char  sun_len;        /* sockaddr len including null */
     u_char  sun_family;     /* AF_UNIX */
     char    sun_path[108];  /* path name (gag) */


@@ -76,6 +78,11 @@ struct sockaddr_un {
 #define INVALID_SOCKET -1
 #endif
 
 #define INVALID_SOCKET -1
 #endif
 

+/* UnixWare reportedly needs this for FIONBIO definition */
+#ifdef __UNIXWARE__
+#include <sys/filio.h>
+#endif
+

 /*
  * INADDR_BROADCAST is identical to INADDR_NONE which is not defined
  * on all systems. INADDR_BROADCAST should be fine to indicate an error.
 /*
  * INADDR_BROADCAST is identical to INADDR_NONE which is not defined
  * on all systems. INADDR_BROADCAST should be fine to indicate an error.


@@ -104,7 +111,8 @@ struct sockaddr_un {
 #endif /* __GSOCKET_STANDALONE__ */
 
 /* redefine some GUI-only functions to do nothing in console mode */
 #endif /* __GSOCKET_STANDALONE__ */
 
 /* redefine some GUI-only functions to do nothing in console mode */

-#if defined(wxUSE_GUI) && !wxUSE_GUI
+#if 1 //defined(wxUSE_GUI) && !wxUSE_GUI
+      // FIXME -- temporary measure

 #  define _GSocket_GUI_Init(socket) (1)
 #  define _GSocket_GUI_Destroy(socket)
 #  define _GSocket_Enable_Events(socket)
 #  define _GSocket_GUI_Init(socket) (1)
 #  define _GSocket_GUI_Destroy(socket)
 #  define _GSocket_Enable_Events(socket)


@@ -115,16 +123,16 @@ struct sockaddr_un {
 
 /* debugging helpers */
 #ifdef __GSOCKET_DEBUG__
 
 /* debugging helpers */
 #ifdef __GSOCKET_DEBUG__

-    #define GSocket_Debug(args)       printf args
+#  define GSocket_Debug(args) printf args

 #else
 #else

-    #define GSocket_Debug(args)
-#endif // __GSOCKET_DEBUG__
+#  define GSocket_Debug(args)
+#endif /* __GSOCKET_DEBUG__ */

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

-bool GSocket_Init(void)
+int GSocket_Init(void)

 {
 {

-  return TRUE;
+  return 1;

 }
 
 void GSocket_Cleanup(void)
 }
 
 void GSocket_Cleanup(void)


@@ -171,6 +179,13 @@ GSocket *GSocket_new(void)
   return socket;
 }
 
   return socket;
 }
 

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

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


@@ -207,8 +222,7 @@ 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);

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

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


@@ -216,7 +230,6 @@ void GSocket_Shutdown(GSocket *socket)
     socket->m_cbacks[evt] = NULL;
 
   socket->m_detected = GSOCK_LOST_FLAG;
     socket->m_cbacks[evt] = NULL;
 
   socket->m_detected = GSOCK_LOST_FLAG;

-  _GSocket_Disable_Events(socket);

 }
 
 /* Address handling */
 }
 
 /* Address handling */


@@ -350,7 +363,6 @@ GAddress *GSocket_GetPeer(GSocket *socket)
  */
 GSocketError GSocket_SetServer(GSocket *sck)
 {
  */
 GSocketError GSocket_SetServer(GSocket *sck)
 {

-  int type;

   int arg = 1;
 
   assert(sck != NULL);
   int arg = 1;
 
   assert(sck != NULL);


@@ -396,8 +408,7 @@ 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))
   {

-    close(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;
   }


@@ -577,8 +588,7 @@ GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
     {
       if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT)
       {
     {
       if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT)
       {

-        close(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;
       }


@@ -610,8 +620,7 @@ 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.
      */

-    close(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;
   }


@@ -675,8 +684,7 @@ 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))
   {

-    close(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;
   }


@@ -810,13 +818,25 @@ GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
   FD_SET(socket->m_fd, &writefds);
   FD_SET(socket->m_fd, &exceptfds);
 
   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);
+
+  /* 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;
+
+    return (GSOCK_LOST_FLAG & flags);
+  }

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

-    return result;
+  {
+    /* What to do here? */
+    return (result & flags);
+  }

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


@@ -825,19 +845,22 @@ GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
 
     if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
     {
 
     if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
     {

-      result |= (GSOCK_INPUT_FLAG & flags);
+      result |= GSOCK_INPUT_FLAG;

     }
     else
     {
       if (socket->m_server && socket->m_stream)
       {
     }
     else
     {
       if (socket->m_server && socket->m_stream)
       {

-        result |= (GSOCK_CONNECTION_FLAG & flags);
+        result |= GSOCK_CONNECTION_FLAG;

         socket->m_detected |= GSOCK_CONNECTION_FLAG;
       }
       else
       {
         socket->m_detected |= GSOCK_CONNECTION_FLAG;
       }
       else
       {

-        result |= (GSOCK_LOST_FLAG & flags);

         socket->m_detected = GSOCK_LOST_FLAG;
         socket->m_detected = GSOCK_LOST_FLAG;

+        socket->m_establishing = FALSE;
+    
+        /* LOST event: Abort any further processing */
+        return (GSOCK_LOST_FLAG & flags);

       }
     }
   }
       }
     }
   }


@@ -856,30 +879,34 @@ GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
 
       if (error)
       {
 
       if (error)
       {

-        result |= (GSOCK_LOST_FLAG & flags);

         socket->m_detected = GSOCK_LOST_FLAG;
         socket->m_detected = GSOCK_LOST_FLAG;

+
+        /* LOST event: Abort any further processing */
+        return (GSOCK_LOST_FLAG & flags);

       }
       else
       {
       }
       else
       {

-        result |= (GSOCK_CONNECTION_FLAG & flags);
+        result |= GSOCK_CONNECTION_FLAG;

         socket->m_detected |= GSOCK_CONNECTION_FLAG;
       }
     }
     else
     {
         socket->m_detected |= GSOCK_CONNECTION_FLAG;
       }
     }
     else
     {

-      result |= (GSOCK_OUTPUT_FLAG & flags);
+      result |= GSOCK_OUTPUT_FLAG;

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


@@ -895,10 +922,12 @@ GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
  *  Sets the socket to non-blocking mode. All IO calls will return
  *  immediately.
  */
  *  Sets the socket to non-blocking mode. All IO calls will return
  *  immediately.
  */

-void GSocket_SetNonBlocking(GSocket *socket, bool non_block)
+void GSocket_SetNonBlocking(GSocket *socket, int non_block)

 {
   assert(socket != NULL);
 
 {
   assert(socket != NULL);
 

+  GSocket_Debug( ("GSocket_SetNonBlocking: %d\n", (int)non_block) );
+

   socket->m_non_blocking = non_block;
 }
 
   socket->m_non_blocking = non_block;
 }
 


@@ -1040,10 +1069,10 @@ GSocketError _GSocket_Input_Timeout(GSocket *socket)
     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Input_Timeout, select returned -1\n" ));
     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Input_Timeout, select returned -1\n" ));

-      if (errno == EBADF) GSocket_Debug(( "Invalid file descriptor\n" ));
-      if (errno == EINTR) GSocket_Debug(( "A non blocked signal was caught\n" ));
-      if (errno == EINVAL) GSocket_Debug(( "The highest number descriptor is negative\n" ));
-      if (errno == ENOMEM) GSocket_Debug(( "Not enough memory\n" ));
+      if (errno == EBADF) { GSocket_Debug(( "Invalid file descriptor\n" )); }
+      if (errno == EINTR) { GSocket_Debug(( "A non blocked signal was caught\n" )); }
+      if (errno == EINVAL) { GSocket_Debug(( "The highest number descriptor is negative\n" )); }
+      if (errno == ENOMEM) { GSocket_Debug(( "Not enough memory\n" )); }

       socket->m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }
       socket->m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }


@@ -1065,6 +1094,8 @@ GSocketError _GSocket_Output_Timeout(GSocket *socket)
   tv.tv_sec  = (socket->m_timeout / 1000);
   tv.tv_usec = (socket->m_timeout % 1000) * 1000;
 
   tv.tv_sec  = (socket->m_timeout / 1000);
   tv.tv_usec = (socket->m_timeout % 1000) * 1000;
 

+  GSocket_Debug( ("m_non_blocking has: %d\n", (int)socket->m_non_blocking) );
+

   if (!socket->m_non_blocking)
   {
     FD_ZERO(&writefds);
   if (!socket->m_non_blocking)
   {
     FD_ZERO(&writefds);


@@ -1079,21 +1110,23 @@ GSocketError _GSocket_Output_Timeout(GSocket *socket)
     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Output_Timeout, select returned -1\n" ));
     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Output_Timeout, select returned -1\n" ));

-      if (errno == EBADF) GSocket_Debug(( "Invalid file descriptor\n" ));
-      if (errno == EINTR) GSocket_Debug(( "A non blocked signal was caught\n" ));
-      if (errno == EINVAL) GSocket_Debug(( "The highest number descriptor is negative\n" ));
-      if (errno == ENOMEM) GSocket_Debug(( "Not enough memory\n" ));
+      if (errno == EBADF) { GSocket_Debug(( "Invalid file descriptor\n" )); }
+      if (errno == EINTR) { GSocket_Debug(( "A non blocked signal was caught\n" )); }
+      if (errno == EINVAL) { GSocket_Debug(( "The highest number descriptor is negative\n" )); }
+      if (errno == ENOMEM) { GSocket_Debug(( "Not enough memory\n" )); }

       socket->m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }
       socket->m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }

-    if ( ! FD_ISSET(socket->m_fd, &writefds) )
-      GSocket_Debug(( "GSocket_Output_Timeout is buggy!" ));
-    else
-      GSocket_Debug(( "GSocket_Output_Timeout seems correct" ));
+    if ( ! FD_ISSET(socket->m_fd, &writefds) ) {
+        GSocket_Debug(( "GSocket_Output_Timeout is buggy!\n" ));
+    }
+    else {
+        GSocket_Debug(( "GSocket_Output_Timeout seems correct\n" ));
+    }

   }
   else
   {
   }
   else
   {

-    GSocket_Debug(( "GSocket_Output_Timeout, didn't try select!" ));
+    GSocket_Debug(( "GSocket_Output_Timeout, didn't try select!\n" ));

   }
 
   return GSOCK_NOERROR;
   }
 
   return GSOCK_NOERROR;


@@ -1184,6 +1217,18 @@ 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);


@@ -1197,12 +1242,25 @@ 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;


@@ -1215,6 +1273,7 @@ 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
     {


@@ -1238,22 +1297,38 @@ void _GSocket_Detected_Write(GSocket *socket)
  * -------------------------------------------------------------------------
  */
 
  * -------------------------------------------------------------------------
  */
 

-/* CHECK_ADDRESS verifies that the current family is either GSOCK_NOFAMILY
- * or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it initalizes address
- * to be a GSOCK_*family*. In other cases, it returns GSOCK_INVADDR.
+/* CHECK_ADDRESS verifies that the current address family is either
+ * GSOCK_NOFAMILY or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it
+ * initalizes it to be a GSOCK_*family*. In other cases, it returns
+ * an appropiate error code.
+ *
+ * CHECK_ADDRESS_RETVAL does the same but returning 'retval' on error.

  */
  */

-#define CHECK_ADDRESS(address, family, retval)                      \
+#define CHECK_ADDRESS(address, family)                              \

 {                                                                   \
   if (address->m_family == GSOCK_NOFAMILY)                          \
     if (_GAddress_Init_##family(address) != GSOCK_NOERROR)          \
       return address->m_error;                                      \
   if (address->m_family != GSOCK_##family)                          \
 {                                                                   \
   if (address->m_family == GSOCK_NOFAMILY)                          \
     if (_GAddress_Init_##family(address) != GSOCK_NOERROR)          \
       return address->m_error;                                      \
   if (address->m_family != GSOCK_##family)                          \

+  {                                                                 \
+    address->m_error = GSOCK_INVADDR;                               \
+    return GSOCK_INVADDR;                                           \
+  }                                                                 \
+}
+
+#define CHECK_ADDRESS_RETVAL(address, family, retval)               \
+{                                                                   \
+  if (address->m_family == GSOCK_NOFAMILY)                          \
+    if (_GAddress_Init_##family(address) != GSOCK_NOERROR)          \
+      return retval;                                                \
+  if (address->m_family != GSOCK_##family)                          \

   {                                                                 \
     address->m_error = GSOCK_INVADDR;                               \
     return retval;                                                  \
   }                                                                 \
 }
 
   {                                                                 \
     address->m_error = GSOCK_INVADDR;                               \
     return retval;                                                  \
   }                                                                 \
 }
 

+

 GAddress *GAddress_new(void)
 {
   GAddress *address;
 GAddress *GAddress_new(void)
 {
   GAddress *address;


@@ -1279,7 +1354,7 @@ 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)


@@ -1368,7 +1443,8 @@ GSocketError _GAddress_translate_to(GAddress *address,
 
   *len = address->m_len;
   *addr = (struct sockaddr *)malloc(address->m_len);
 
   *len = address->m_len;
   *addr = (struct sockaddr *)malloc(address->m_len);

-  if (*addr == NULL) {
+  if (*addr == NULL)
+  {

     address->m_error = GSOCK_MEMERR;
     return GSOCK_MEMERR;
   }
     address->m_error = GSOCK_MEMERR;
     return GSOCK_MEMERR;
   }


@@ -1408,7 +1484,7 @@ GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
 
   assert(address != NULL);
 
 
   assert(address != NULL);
 

-  CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
+  CHECK_ADDRESS(address, INET);

 
   addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
 
 
   addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
 


@@ -1452,7 +1528,7 @@ GSocketError GAddress_INET_SetHostAddress(GAddress *address,
 
   assert(address != NULL);
 
 
   assert(address != NULL);
 

-  CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
+  CHECK_ADDRESS(address, INET);

 
   addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
   addr->s_addr = hostaddr;
 
   addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
   addr->s_addr = hostaddr;


@@ -1467,7 +1543,7 @@ GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
   struct sockaddr_in *addr;
 
   assert(address != NULL);
   struct sockaddr_in *addr;
 
   assert(address != NULL);

-  CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
+  CHECK_ADDRESS(address, INET);

 
   if (!port)
   {
 
   if (!port)
   {


@@ -1478,7 +1554,9 @@ GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
   se = getservbyname(port, protocol);
   if (!se)
   {
   se = getservbyname(port, protocol);
   if (!se)
   {

-    if (isdigit(port[0]))
+    /* the cast to int suppresses compiler warnings about subscript having the
+       type char */
+    if (isdigit((int)port[0]))

     {
       int port_int;
 
     {
       int port_int;
 


@@ -1503,7 +1581,7 @@ GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port)
   struct sockaddr_in *addr;
 
   assert(address != NULL);
   struct sockaddr_in *addr;
 
   assert(address != NULL);

-  CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
+  CHECK_ADDRESS(address, INET);

  
   addr = (struct sockaddr_in *)address->m_addr;
   addr->sin_port = htons(port);
  
   addr = (struct sockaddr_in *)address->m_addr;
   addr->sin_port = htons(port);


@@ -1518,7 +1596,7 @@ GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t
   struct sockaddr_in *addr;
 
   assert(address != NULL); 
   struct sockaddr_in *addr;
 
   assert(address != NULL); 

-  CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
+  CHECK_ADDRESS(address, INET);

 
   addr = (struct sockaddr_in *)address->m_addr;
   addr_buf = (char *)&(addr->sin_addr);
 
   addr = (struct sockaddr_in *)address->m_addr;
   addr_buf = (char *)&(addr->sin_addr);


@@ -1540,7 +1618,7 @@ unsigned long GAddress_INET_GetHostAddress(GAddress *address)
   struct sockaddr_in *addr;
 
   assert(address != NULL); 
   struct sockaddr_in *addr;
 
   assert(address != NULL); 

-  CHECK_ADDRESS(address, INET, 0); 
+  CHECK_ADDRESS_RETVAL(address, INET, 0); 

 
   addr = (struct sockaddr_in *)address->m_addr;
 
 
   addr = (struct sockaddr_in *)address->m_addr;
 


@@ -1552,7 +1630,7 @@ unsigned short GAddress_INET_GetPort(GAddress *address)
   struct sockaddr_in *addr;
 
   assert(address != NULL); 
   struct sockaddr_in *addr;
 
   assert(address != NULL); 

-  CHECK_ADDRESS(address, INET, 0); 
+  CHECK_ADDRESS_RETVAL(address, INET, 0); 

 
   addr = (struct sockaddr_in *)address->m_addr;
   return ntohs(addr->sin_port);
 
   addr = (struct sockaddr_in *)address->m_addr;
   return ntohs(addr->sin_port);


@@ -1579,19 +1657,22 @@ GSocketError _GAddress_Init_UNIX(GAddress *address)
   ((struct sockaddr_un *)address->m_addr)->sun_family = AF_UNIX;
   ((struct sockaddr_un *)address->m_addr)->sun_path[0] = 0;
 
   ((struct sockaddr_un *)address->m_addr)->sun_family = AF_UNIX;
   ((struct sockaddr_un *)address->m_addr)->sun_path[0] = 0;
 

-  return TRUE;
+  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;
 
   assert(address != NULL); 
 
 GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
 {
   struct sockaddr_un *addr;
 
   assert(address != NULL); 
 

-  CHECK_ADDRESS(address, UNIX, GSOCK_INVADDR); 
+  CHECK_ADDRESS(address, UNIX); 

 
   addr = ((struct sockaddr_un *)address->m_addr);
 
   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;
 }


@@ -1601,7 +1682,7 @@ GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf)
   struct sockaddr_un *addr;
 
   assert(address != NULL);
   struct sockaddr_un *addr;
 
   assert(address != NULL);

-  CHECK_ADDRESS(address, UNIX, GSOCK_INVADDR);
+  CHECK_ADDRESS(address, UNIX);

 
   addr = (struct sockaddr_un *)address->m_addr;
 
 
   addr = (struct sockaddr_un *)address->m_addr;