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Diffstat (limited to 'package/aufs2-util/src/auplink.c')
-rw-r--r-- | package/aufs2-util/src/auplink.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/package/aufs2-util/src/auplink.c b/package/aufs2-util/src/auplink.c new file mode 100644 index 000000000..1b48bea51 --- /dev/null +++ b/package/aufs2-util/src/auplink.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2005-2009 Junjiro Okajima + * + * This program, aufs 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 St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "au_util.h" + +static void usage(char *me) +{ + fprintf(stderr, + "usage: %s aufs_mount_point list|cpup|flush\n" + "'list' shows the pseudo-linked inode numbers and filenames.\n" + "'cpup' copies-up all pseudo-link to the writeble branch.\n" + "'flush' calls 'cpup', and then 'mount -o remount,clean_plink=inum'\n" + "and remove the whiteouted plink.\n", me); + exit(EINVAL); +} + +int main(int argc, char *argv[]) +{ + int err, cmd; + char *cwd; + + if (argc != 3) + usage(argv[0]); + + if (!strcmp(argv[2], "flush")) + cmd = AuPlink_FLUSH; + else if (!strcmp(argv[2], "list")) + cmd = AuPlink_LIST; + else if (!strcmp(argv[2], "cpup")) + cmd = AuPlink_CPUP; + else { + errno = EINVAL; + AuFin("%s", argv[2]); + cmd = 0; /* never reach here */ + } + + err = chdir(argv[1]); + if (err) + AuFin("chdir"); + cwd = getcwd(NULL, 0); /* glibc */ + if (!cwd) + AuFin("getcwd"); + return au_plink(cwd, cmd, 1, 0); +} |