56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2015 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "fd-util.h"
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#include "log.h"
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#include "qcow2-util.h"
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#include "util.h"
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int main(int argc, char *argv[]) {
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_cleanup_close_ int sfd = -1, dfd = -1;
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int r;
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if (argc != 3) {
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log_error("Needs two arguments.");
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return EXIT_FAILURE;
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}
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sfd = open(argv[1], O_RDONLY|O_CLOEXEC|O_NOCTTY);
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if (sfd < 0) {
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log_error_errno(errno, "Can't open source file: %m");
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return EXIT_FAILURE;
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}
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dfd = open(argv[2], O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666);
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if (dfd < 0) {
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log_error_errno(errno, "Can't open destination file: %m");
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return EXIT_FAILURE;
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}
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r = qcow2_convert(sfd, dfd);
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if (r < 0) {
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log_error_errno(r, "Failed to unpack: %m");
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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