1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// distribution boxbackup-0.11rc2 (svn version: 2072)
//
// Copyright (c) 2003 - 2008
// Ben Summers and contributors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All use of this software and associated advertising materials must
// display the following acknowledgment:
// This product includes software developed by Ben Summers.
// 4. The names of the Authors may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// [Where legally impermissible the Authors do not disclaim liability for
// direct physical injury or death caused solely by defects in the software
// unless it is modified by a third party.]
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
//
// --------------------------------------------------------------------------
//
// File
// Name: FdGetLine.h
// Purpose: Line based file descriptor reading
// Created: 2003/07/24
//
// --------------------------------------------------------------------------
#ifndef FDGETLINE__H
#define FDGETLINE__H
#include <string>
#ifdef NDEBUG
#define FDGETLINE_BUFFER_SIZE 1024
#elif defined WIN32
// need enough space for at least one unicode character
// in UTF-8 when calling console_read() from bbackupquery
#define FDGETLINE_BUFFER_SIZE 5
#else
#define FDGETLINE_BUFFER_SIZE 4
#endif
// Just a very large upper bound for line size to avoid
// people sending lots of data over sockets and causing memory problems.
#define FDGETLINE_MAX_LINE_SIZE (1024*256)
// --------------------------------------------------------------------------
//
// Class
// Name: FdGetLine
// Purpose: Line based file descriptor reading
// Created: 2003/07/24
//
// --------------------------------------------------------------------------
class FdGetLine
{
public:
FdGetLine(int fd);
~FdGetLine();
private:
FdGetLine(const FdGetLine &rToCopy);
public:
std::string GetLine(bool Preprocess = false);
bool IsEOF() {return mEOF;}
int GetLineNumber() {return mLineNumber;}
// Call to detach, setting file pointer correctly to last bit read.
// Only works for lseek-able file descriptors.
void DetachFile();
private:
char mBuffer[FDGETLINE_BUFFER_SIZE];
int mFileHandle;
int mLineNumber;
int mBufferBegin;
int mBytesInBuffer;
bool mPendingEOF;
bool mEOF;
};
#endif // FDGETLINE__H
|