[opengtoolkit-cvs] pipe/c_source client.c,1.1,1.2

[Rolf K. <lab...@us...>]

Update of /cvsroot/opengtoolkit/pipe/c_source
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv30765/c_source

Modified Files:
	client.c 
Log Message:
Improved error handling

Index: client.c
===================================================================
RCS file: /cvsroot/opengtoolkit/pipe/c_source/client.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** client.c	12 Jun 2005 13:48:12 -0000	1.1
--- client.c	12 Jun 2005 15:26:09 -0000	1.2
***************
*** 12,47 ****
  VOID main(VOID) 
  { 
!    CHAR chBuf[BUFSIZE]; 
!    DWORD dwRead, dwWritten; 
!    HANDLE hStdin, hStdout, hStderr; 
!    BOOL fSuccess;
   
!    DebugBreaking();
     
!    hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
!    hStdin = GetStdHandle(STD_INPUT_HANDLE); 
!    hStderr = GetStdHandle(STD_ERROR_HANDLE); 
!    if ((hStdout == INVALID_HANDLE_VALUE) || 
!        (hStdin == INVALID_HANDLE_VALUE) ||
!        (hStderr == INVALID_HANDLE_VALUE))
        ExitProcess(1); 
   
!    // Write welcome message to standard output.
!    sprintf(chBuf, "Standard IO Loopback program\r\n9. June 2005\r\n");
!    fSuccess = WriteFile(hStdout, chBuf, strlen(chBuf), &dwWritten, NULL); 
!    if (!fSuccess) 
        ExitProcess(2); 
  
!    for (;;) 
!    { 
        // Read from standard input. 
        fSuccess = ReadFile(hStdin, chBuf, BUFSIZE, &dwRead, NULL); 
        if (! fSuccess || dwRead == 0)
  	  {	 
!          DWORD err = GetLastError();
! 		  
! 		 sprintf(chBuf, "error = %d, dwRead = %d\r\n", err, dwRead);
!          WriteFile(hStderr, chBuf, strlen(chBuf), &dwWritten, NULL);		  
!      	 break; 
        }
  
--- 12,48 ----
  VOID main(VOID) 
  { 
!     CHAR chBuf[BUFSIZE]; 
!     DWORD err, dwRead, dwWritten; 
!     HANDLE hStdin, hStdout, hStderr; 
!     BOOL fSuccess;
   
!     DebugBreaking();
     
!     hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
!     hStdin = GetStdHandle(STD_INPUT_HANDLE); 
!     hStderr = GetStdHandle(STD_ERROR_HANDLE); 
!     if ((hStdout == INVALID_HANDLE_VALUE) || 
!         (hStdin == INVALID_HANDLE_VALUE))
        ExitProcess(1); 
   
!     // Write welcome message to standard output.
!     sprintf(chBuf, "Standard IO Loopback program\r\n9. June 2005\r\n");
!     fSuccess = WriteFile(hStdout, chBuf, strlen(chBuf), &dwWritten, NULL); 
!     if (!fSuccess) 
        ExitProcess(2); 
  
!     for (;;) 
!     { 
        // Read from standard input. 
        fSuccess = ReadFile(hStdin, chBuf, BUFSIZE, &dwRead, NULL); 
        if (! fSuccess || dwRead == 0)
  	  {	 
!         err = GetLastError();
! 		if (err != ERROR_BROKEN_PIPE && hStderr != INVALID_HANDLE_VALUE)
!         {
!           sprintf(chBuf, "error = %d, dwRead = %d\r\n", err, dwRead);
!           WriteFile(hStderr, chBuf, strlen(chBuf), &dwWritten, NULL);		  
!      	}
!         break;          
        }
  
***************
*** 50,58 ****
        if (!fSuccess) 
  	  {	 
!          DWORD err = GetLastError();
! 		  
! 		 sprintf(chBuf, "error = %d, dwRead = %d\r\n", err, dwRead);
!          WriteFile(hStderr, chBuf, strlen(chBuf), &dwWritten, NULL);		  
!      	 break; 
        }
     } 
--- 51,61 ----
        if (!fSuccess) 
  	  {	 
!         err = GetLastError();
! 		if (err != ERROR_BROKEN_PIPE && hStderr != INVALID_HANDLE_VALUE)
! 		{
!           sprintf(chBuf, "error = %d, dwRead = %d\r\n", err, dwRead);
!           WriteFile(hStderr, chBuf, strlen(chBuf), &dwWritten, NULL);		  
!      	}
!         break; 
        }
     }