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/***
This file is part of systemd.
Copyright 2015 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "systemd-basic/fd-util.h"
#include "systemd-basic/log.h"
#include "systemd-basic/util.h"
#include "qcow2-util.h"
int main(int argc, char *argv[]) {
_cleanup_close_ int sfd = -1, dfd = -1;
int r;
if (argc != 3) {
log_error("Needs two arguments.");
return EXIT_FAILURE;
}
sfd = open(argv[1], O_RDONLY|O_CLOEXEC|O_NOCTTY);
if (sfd < 0) {
log_error_errno(errno, "Can't open source file: %m");
return EXIT_FAILURE;
}
dfd = open(argv[2], O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666);
if (dfd < 0) {
log_error_errno(errno, "Can't open destination file: %m");
return EXIT_FAILURE;
}
r = qcow2_convert(sfd, dfd);
if (r < 0) {
log_error_errno(r, "Failed to unpack: %m");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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