File: tempfile.h

package info (click to toggle)
brlaser 6-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 248 kB
  • sloc: cpp: 1,308; makefile: 3; sh: 3
file content (54 lines) | stat: -rw-r--r-- 1,284 bytes parent folder | download | duplicates (5)
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
// 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 <stdio.h>
#include <stdlib.h>
#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