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
|
// Copyright 2022 Google LLC
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Google LLC nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "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 COPYRIGHT
// OWNER OR CONTRIBUTORS 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.
// Utility class for creating a temporary file for that is deleted in the
// destructor.
#ifndef COMMON_LINUX_SCOPED_TMPFILE_H_
#define COMMON_LINUX_SCOPED_TMPFILE_H_
#include <string>
namespace google_breakpad {
// Small RAII wrapper for temporary files.
//
// Example:
// ScopedTmpFile tmp;
// if (tmp.Init("Some file contents")) {
// ...
// }
class ScopedTmpFile {
public:
// Initialize the ScopedTmpFile object - this does not create the temporary
// file until Init is called.
ScopedTmpFile();
// Destroy temporary file on scope exit.
~ScopedTmpFile();
// Creates the empty temporary file - returns true iff the temporary file was
// created successfully. Should always be checked before using the file.
bool InitEmpty();
// Creates the temporary file with the provided C string. The terminating null
// is not written. Returns true iff the temporary file was created
// successfully and the contents were written successfully.
bool InitString(const char* text);
// Creates the temporary file with the provided data. Returns true iff the
// temporary file was created successfully and the contents were written
// successfully.
bool InitData(const void* data, size_t data_len);
// Returns the Posix file descriptor for the test file, or -1 if Init()
// returned false. Note: on Windows, this always returns -1.
int GetFd() const {
return fd_;
}
private:
// Set the contents of the temporary file, and seek back to the start of the
// file. On failure, returns false.
bool SetContents(const void* data, size_t data_len);
int fd_ = -1;
};
} // namespace google_breakpad
#endif // COMMON_LINUX_SCOPED_TMPFILE_H_
|
