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
|
/*
* Copyright 2003-2018 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "fs/io/FileOutputStream.hxx"
#include "util/PrintException.hxx"
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
static bool
Copy(OutputStream &dest, int src)
{
while (true) {
uint8_t buffer[8192];
ssize_t nbytes = read(src, buffer, sizeof(buffer));
if (nbytes < 0) {
fprintf(stderr, "Failed to read from stdin: %s\n",
strerror(errno));
return false;
}
if (nbytes == 0)
return true;
dest.Write(buffer, nbytes);
}
}
int
main(int argc, char **argv)
try {
if (argc != 2) {
fprintf(stderr, "Usage: WriteFile PATH\n");
return EXIT_FAILURE;
}
const Path path = Path::FromFS(argv[1]);
FileOutputStream fos(path);
if (!Copy(fos, STDIN_FILENO))
return EXIT_FAILURE;
fos.Commit();
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}
|
