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
|
// This file is part of the brlaser printer driver.
//
// Copyright 2014 Peter De Wachter
//
// brlaser is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// brlaser is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with brlaser. If not, see <http://www.gnu.org/licenses/>.
#ifndef TEMPFILE_H
#define TEMPFILE_H
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <cstdint>
#include <vector>
class tempfile {
public:
explicit tempfile()
: ptr_(0),
size_(0),
file_(open_memstream(&ptr_, &size_)) {
}
~tempfile() {
fclose(file_);
free(ptr_);
}
FILE *file() {
return file_;
}
std::vector<uint8_t> data() {
if (fflush(file_))
return std::vector<uint8_t>();
return std::vector<uint8_t>(ptr_, ptr_ + size_);
}
private:
char *ptr_;
size_t size_;
FILE *file_;
};
#endif // TEMPFILE_H
|
