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src/write.c

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00001 /*
00002      This file is part of PlibC.
00003      (C) 2005 Nils Durner (and other contributing authors)
00004 
00005            This library is free software; you can redistribute it and/or
00006            modify it under the terms of the GNU Lesser General Public
00007            License as published by the Free Software Foundation; either
00008            version 2.1 of the License, or (at your option) any later version.
00009         
00010            This library is distributed in the hope that it will be useful,
00011            but WITHOUT ANY WARRANTY; without even the implied warranty of
00012            MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013            Lesser General Public License for more details.
00014         
00015            You should have received a copy of the GNU Lesser General Public
00016            License along with this library; if not, write to the Free Software
00017            Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 */
00019 
00025 #include "plibc_private.h"
00026 
00027 DWORD WINAPI __win_Write(TReadWriteInfo *pInfo)
00028 {
00029   int iRet;
00030 
00031         if (_setmode(pInfo->fildes, _O_BINARY) != -1)
00032         {
00033                 errno = 0;
00034                 return _write(pInfo->fildes, pInfo->buf, pInfo->nbyte);
00035         }
00036         else
00037         {
00038     DWORD dwWritten;
00039     if (!WriteFile((HANDLE) pInfo->fildes, pInfo->buf, pInfo->nbyte,
00040       &dwWritten, NULL))
00041     {
00042       SetErrnoFromWinError(GetLastError());
00043       return -1;
00044     }
00045     else
00046       return dwWritten;
00047         }
00048 }
00049 
00055 int _win_write(int fildes, const void *buf, size_t nbyte)
00056 {
00057   if (_win_isSocketValid(fildes))
00058   {
00059     return _win_send(fildes, buf, nbyte, 0);
00060   }
00061   else
00062   {
00063     TReadWriteInfo theInfo;
00064     theInfo.fildes = fildes;
00065     theInfo.buf = (void *) buf;
00066     theInfo.nbyte = nbyte;
00067 
00068     if (__win_IsHandleMarkedAsBlocking(fildes))
00069       return __win_Write(&theInfo);
00070     else
00071     {
00072       DWORD dwTID; /* Last ptr of CreateThread my not be NULL under Win9x */
00073       CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) __win_Write, &theInfo, 0, &dwTID);
00074       return 1;
00075     }
00076   }
00077 }
00078 
00079 /* end of write.c */

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