TheCloud/fuse-overlayfs
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main: improve errors logging

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2018-08-01 10:29:24 +02:00
parent 1ed274ba57
commit 1dadd3738f
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GPG Key ID: E4730F97F60286ED
1 changed files with 19 additions and 10 deletions
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23
main.c
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@ -3469,9 +3469,9 @@ main (int argc, char *argv[])
memset (&opts, 0, sizeof (opts));
if (fuse_opt_parse (&args, &lo, ovl_opts, fuse_opt_proc) == -1)
return 1;
error (EXIT_FAILURE, 0, "error parsing options");
if (fuse_parse_cmdline (&args, &opts) != 0)
return 1;
error (EXIT_FAILURE, 0, "error parsing cmdline");
if (opts.mountpoint)
free (opts.mountpoint);
@ -3482,14 +3482,14 @@ main (int argc, char *argv[])
fuse_cmdline_help ();
fuse_lowlevel_help ();
ret = 0;
goto err_out1;
exit (EXIT_SUCCESS);
}
else if (opts.show_version)
{
printf ("FUSE library version %s\n", fuse_pkgversion ());
fuse_lowlevel_version ();
ret = 0;
goto err_out1;
exit (EXIT_SUCCESS);
}
lo.debug = opts.debug;
@ -3504,11 +3504,11 @@ main (int argc, char *argv[])
char full_path[PATH_MAX + 1];
if (realpath (lo.upperdir, full_path) < 0)
goto err_out1;
error (EXIT_FAILURE, errno, "cannot retrieve path for %s", lo.upperdir);
lo.upperdir = strdup (full_path);
if (lo.upperdir == NULL)
goto err_out1;
error (EXIT_FAILURE, errno, "cannot allocate memory");
}
printf ("UID=%s\n", lo.uid_str ? : "unchanged");
@ -3550,17 +3550,26 @@ main (int argc, char *argv[])
lo.workdir_fd = open (lo.workdir, O_DIRECTORY);
if (lo.workdir_fd < 0)
goto err_out1;
error (EXIT_FAILURE, errno, "cannot open workdir");
}
se = fuse_session_new (&args, &ovl_oper, sizeof (ovl_oper), &lo);
lo.se = se;
if (se == NULL)
{
error (0, errno, "cannot create FUSE session");
goto err_out1;
}
if (fuse_set_signal_handlers (se) != 0)
{
error (0, errno, "cannot set signal handler");
goto err_out2;
}
if (fuse_session_mount (se, lo.mountpoint) != 0)
{
error (0, errno, "cannot mount");
goto err_out3;
}
fuse_daemonize (opts.foreground);
ret = fuse_session_loop (se);
fuse_session_unmount (se);