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d7ce7006 1/** @file\r
2 Implement the read API.\r
3\r
4 Copyright (c) 2011, Intel Corporation\r
5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include <SocketInternals.h>\r
16\r
17\r
18/**\r
19 Read support routine for sockets\r
20\r
21 @param [in] pDescriptor Descriptor address for the file\r
22 @param [in] pOffset File offset\r
23 @param [in] LengthInBytes Number of bytes to read\r
24 @param [in] pBuffer Address of the buffer to receive the data\r
25\r
7dc13291 26 @return The number of bytes read or -1 if an error occurs.\r
d7ce7006 27\r
28**/\r
29ssize_t\r
30BslSocketRead (\r
31 struct __filedes *pDescriptor,\r
32 off_t * pOffset,\r
33 size_t LengthInBytes,\r
34 void * pBuffer\r
35 )\r
36{\r
37 ssize_t BytesRead;\r
38\r
39 //\r
40 // Receive the data from the remote system\r
41 //\r
42 BytesRead = recvfrom ( pDescriptor->MyFD,\r
43 pBuffer,\r
44 LengthInBytes,\r
45 0,\r
46 NULL,\r
47 NULL );\r
48\r
49 //\r
50 // Return the number of bytes read\r
51 //\r
52 return BytesRead;\r
53}\r