StdLib/BsdSocketLib/write.c

   1 /** @file
   2   Implement the write API.
   3
   4   Copyright (c) 2011, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <SocketInternals.h>
  16
  17
  18 /**
  19   Write support routine for sockets
  20
  21   @param [in] pDescriptor   Descriptor address for the file
  22   @param [in] pOffset       File offset
  23   @param [in] LengthInBytes Number of bytes to write
  24   @param [in] pBuffer       Address of the data
  25
  26   @returns  The number of bytes written or -1 if an error occurs.
  27
  28 **/
  29 ssize_t
  30 BslSocketWrite (
  31   struct __filedes *pDescriptor,
  32   off_t * pOffset,
  33   size_t LengthInBytes,
  34   const void * pBuffer
  35   )
  36 {
  37   ssize_t BytesWritten;
  38
  39   //
  40   //  Send the data using the socket
  41   //
  42   BytesWritten = send ( pDescriptor->MyFD,
  43                         pBuffer,
  44                         LengthInBytes,
  45                         0 );
  46
  47   //
  48   //  Return the number of bytes written
  49   //
  50   return BytesWritten;
  51 }