src/import/test-qcow2.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2015 Lennart Poettering
   4 ***/
   5
   6 #include "fd-util.h"
   7 #include "log.h"
   8 #include "qcow2-util.h"
   9 #include "util.h"
  10
  11 int main(int argc, char *argv[]) {
  12         _cleanup_close_ int sfd = -1, dfd = -1;
  13         int r;
  14
  15         if (argc != 3) {
  16                 log_error("Needs two arguments.");
  17                 return EXIT_FAILURE;
  18         }
  19
  20         sfd = open(argv[1], O_RDONLY|O_CLOEXEC|O_NOCTTY);
  21         if (sfd < 0) {
  22                 log_error_errno(errno, "Can't open source file: %m");
  23                 return EXIT_FAILURE;
  24         }
  25
  26         dfd = open(argv[2], O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666);
  27         if (dfd < 0) {
  28                 log_error_errno(errno, "Can't open destination file: %m");
  29                 return EXIT_FAILURE;
  30         }
  31
  32         r = qcow2_convert(sfd, dfd);
  33         if (r < 0) {
  34                 log_error_errno(r, "Failed to unpack: %m");
  35                 return EXIT_FAILURE;
  36         }
  37
  38         return EXIT_SUCCESS;
  39 }