use void pointers, not char ones, in socket IO functions

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57546 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/gsockmsw.h

@@ -40,8 +40,8 @@ public:
     virtual wxSocketImpl *WaitConnection(wxSocketBase& wxsocket);
 
 
-    int Read(char *buffer, int size);
-    int Write(const char *buffer, int size);
+    int Read(void *buffer, int size);
+    int Write(const void *buffer, int size);
 
 private:
     virtual wxSocketError DoHandleConnect(int ret);
@@ -57,10 +57,10 @@ private:
     wxSocketError Input_Timeout();
     wxSocketError Output_Timeout();
     wxSocketError Connect_Timeout();
-    int Recv_Stream(char *buffer, int size);
-    int Recv_Dgram(char *buffer, int size);
-    int Send_Stream(const char *buffer, int size);
-    int Send_Dgram(const char *buffer, int size);
+    int Recv_Stream(void *buffer, int size);
+    int Recv_Dgram(void *buffer, int size);
+    int Send_Stream(const void *buffer, int size);
+    int Send_Dgram(const void *buffer, int size);
 
     int m_msgnumber;
 

include/wx/private/socket.h

@@ -252,8 +252,8 @@ public:
     // IO operations
     // -------------
 
-    virtual int Read(char *buffer, int size) = 0;
-    virtual int Write(const char *buffer, int size) = 0;
+    virtual int Read(void *buffer, int size) = 0;
+    virtual int Write(const void *buffer, int size) = 0;
 
     wxSocketEventFlags Select(wxSocketEventFlags flags);
 

include/wx/unix/private/sockunix.h

@@ -33,8 +33,8 @@ public:
     virtual void Shutdown();
     virtual wxSocketImpl *WaitConnection(wxSocketBase& wxsocket);
 
-    int Read(char *buffer, int size);
-    int Write(const char *buffer, int size);
+    int Read(void *buffer, int size);
+    int Write(const void *buffer, int size);
     //attach or detach from main loop
     void Notify(bool flag);
 
@@ -103,10 +103,10 @@ private:
 
     wxSocketError Input_Timeout();
     wxSocketError Output_Timeout();
-    int Recv_Stream(char *buffer, int size);
-    int Recv_Dgram(char *buffer, int size);
-    int Send_Stream(const char *buffer, int size);
-    int Send_Dgram(const char *buffer, int size);
+    int Recv_Stream(void *buffer, int size);
+    int Recv_Dgram(void *buffer, int size);
+    int Send_Stream(const void *buffer, int size);
+    int Send_Dgram(const void *buffer, int size);
 
 
 protected:

src/msw/gsocket.cpp

@@ -230,7 +230,7 @@ wxSocketError wxSocketImplMSW::DoHandleConnect(int ret)
 /* Generic IO */
 
 /* Like recv(), send(), ... */
-int wxSocketImplMSW::Read(char *buffer, int size)
+int wxSocketImplMSW::Read(void *buffer, int size)
 {
   int ret;
 
@@ -268,7 +268,7 @@ int wxSocketImplMSW::Read(char *buffer, int size)
   return ret;
 }
 
-int wxSocketImplMSW::Write(const char *buffer, int size)
+int wxSocketImplMSW::Write(const void *buffer, int size)
 {
   int ret;
 
@@ -378,19 +378,20 @@ wxSocketError wxSocketImplMSW::Connect_Timeout()
   return wxSOCKET_NOERROR;
 }
 
-int wxSocketImplMSW::Recv_Stream(char *buffer, int size)
+int wxSocketImplMSW::Recv_Stream(void *buffer, int size)
 {
-  return recv(m_fd, buffer, size, 0);
+    return recv(m_fd, static_cast<char *>(buffer), size, 0);
 }
 
-int wxSocketImplMSW::Recv_Dgram(char *buffer, int size)
+int wxSocketImplMSW::Recv_Dgram(void *buffer, int size)
 {
   wxSockAddr from;
   WX_SOCKLEN_T fromlen = sizeof(from);
   int ret;
   wxSocketError err;
 
-  ret = recvfrom(m_fd, buffer, size, 0, (sockaddr*)&from, &fromlen);
+  ret = recvfrom(m_fd, static_cast<char *>(buffer),
+                 size, 0, &from, &fromlen);
 
   if (ret == SOCKET_ERROR)
     return SOCKET_ERROR;
@@ -417,12 +418,12 @@ int wxSocketImplMSW::Recv_Dgram(char *buffer, int size)
   return ret;
 }
 
-int wxSocketImplMSW::Send_Stream(const char *buffer, int size)
+int wxSocketImplMSW::Send_Stream(const void *buffer, int size)
 {
-  return send(m_fd, buffer, size, 0);
+  return send(m_fd, static_cast<const char *>(buffer), size, 0);
 }
 
-int wxSocketImplMSW::Send_Dgram(const char *buffer, int size)
+int wxSocketImplMSW::Send_Dgram(const void *buffer, int size)
 {
   struct sockaddr *addr;
   int len, ret;
@@ -441,7 +442,7 @@ int wxSocketImplMSW::Send_Dgram(const char *buffer, int size)
     return -1;
   }
 
-  ret = sendto(m_fd, buffer, size, 0, addr, len);
+  ret = sendto(m_fd, static_cast<const char *>(buffer), size, 0, addr, len);
 
   /* Frees memory allocated by _GAddress_translate_to */
   free(addr);

src/unix/sockunix.cpp

@@ -635,7 +635,7 @@ wxSocketError wxSocketImplUnix::DoHandleConnect(int ret)
 /* Generic IO */
 
 /* Like recv(), send(), ... */
-int wxSocketImplUnix::Read(char *buffer, int size)
+int wxSocketImplUnix::Read(void *buffer, int size)
 {
   int ret;
 
@@ -697,7 +697,7 @@ int wxSocketImplUnix::Read(char *buffer, int size)
   return ret;
 }
 
-int wxSocketImplUnix::Write(const char *buffer, int size)
+int wxSocketImplUnix::Write(const void *buffer, int size)
 {
   int ret;
 
@@ -866,7 +866,7 @@ wxSocketError wxSocketImplUnix::Output_Timeout()
   return wxSOCKET_NOERROR;
 }
 
-int wxSocketImplUnix::Recv_Stream(char *buffer, int size)
+int wxSocketImplUnix::Recv_Stream(void *buffer, int size)
 {
   int ret;
   do
@@ -878,7 +878,7 @@ int wxSocketImplUnix::Recv_Stream(char *buffer, int size)
   return ret;
 }
 
-int wxSocketImplUnix::Recv_Dgram(char *buffer, int size)
+int wxSocketImplUnix::Recv_Dgram(void *buffer, int size)
 {
   wxSockAddr from;
   WX_SOCKLEN_T fromlen = sizeof(from);
@@ -919,7 +919,7 @@ int wxSocketImplUnix::Recv_Dgram(char *buffer, int size)
   return ret;
 }
 
-int wxSocketImplUnix::Send_Stream(const char *buffer, int size)
+int wxSocketImplUnix::Send_Stream(const void *buffer, int size)
 {
   int ret;
 
@@ -927,7 +927,7 @@ int wxSocketImplUnix::Send_Stream(const char *buffer, int size)
 
   do
   {
-    ret = send(m_fd, (char *)buffer, size, GSOCKET_MSG_NOSIGNAL);
+    ret = send(m_fd, buffer, size, GSOCKET_MSG_NOSIGNAL);
   }
   while (ret == -1 && errno == EINTR); /* Loop until not interrupted */
 
@@ -936,7 +936,7 @@ int wxSocketImplUnix::Send_Stream(const char *buffer, int size)
   return ret;
 }
 
-int wxSocketImplUnix::Send_Dgram(const char *buffer, int size)
+int wxSocketImplUnix::Send_Dgram(const void *buffer, int size)
 {
   struct sockaddr *addr;
   int len, ret;
@@ -959,7 +959,7 @@ int wxSocketImplUnix::Send_Dgram(const char *buffer, int size)
 
   do
   {
-    ret = sendto(m_fd, (char *)buffer, size, 0, addr, len);
+    ret = sendto(m_fd, buffer, size, 0, addr, len);
   }
   while (ret == -1 && errno == EINTR); /* Loop until not interrupted */