79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/*
|
|
* Copyright (C) 2003-2015 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 "config.h"
|
|
#include "fs/io/FileOutputStream.hxx"
|
|
#include "util/Error.hxx"
|
|
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
static bool
|
|
Copy(OutputStream &dest, int src)
|
|
{
|
|
Error error;
|
|
|
|
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;
|
|
|
|
if (!dest.Write(buffer, nbytes, error)) {
|
|
fprintf(stderr, "%s\n", error.GetMessage());
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
if (argc != 2) {
|
|
fprintf(stderr, "Usage: WriteFile PATH\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
const Path path = Path::FromFS(argv[1]);
|
|
|
|
Error error;
|
|
FileOutputStream fos(path, error);
|
|
if (!fos.IsDefined()) {
|
|
fprintf(stderr, "%s\n", error.GetMessage());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (!Copy(fos, STDIN_FILENO))
|
|
return EXIT_FAILURE;
|
|
|
|
if (!fos.Commit(error)) {
|
|
fprintf(stderr, "%s\n", error.GetMessage());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|