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Makefile
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Makefile.depend
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be.c
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be.h
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be_access.c
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be_error.c
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be_impl.h
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be_info.c
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libbe.3
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tests
Editing: be.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2017 Kyle J. Kneitinger <kyle@kneit.in> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LIBBE_H #define _LIBBE_H #include <libnvpair.h> #include <stdbool.h> #define BE_MAXPATHLEN 512 typedef struct libbe_handle libbe_handle_t; typedef enum be_error { BE_ERR_SUCCESS = 0, /* No error */ BE_ERR_INVALIDNAME, /* invalid boot env name */ BE_ERR_EXISTS, /* boot env name already taken */ BE_ERR_NOENT, /* boot env doesn't exist */ BE_ERR_PERMS, /* insufficient permissions */ BE_ERR_DESTROYACT, /* cannot destroy active boot env */ BE_ERR_DESTROYMNT, /* destroying a mounted be requires force */ BE_ERR_BADPATH, /* path not suitable for operation */ BE_ERR_PATHBUSY, /* requested path is busy */ BE_ERR_PATHLEN, /* provided name exceeds maximum length limit */ BE_ERR_BADMOUNT, /* mountpoint is not '/' */ BE_ERR_NOORIGIN, /* could not open snapshot's origin */ BE_ERR_MOUNTED, /* boot environment is already mounted */ BE_ERR_NOMOUNT, /* boot environment is not mounted */ BE_ERR_ZFSOPEN, /* calling zfs_open() failed */ BE_ERR_ZFSCLONE, /* error when calling zfs_clone to create be */ BE_ERR_IO, /* error when doing some I/O operation */ BE_ERR_NOPOOL, /* operation not supported on this pool */ BE_ERR_NOMEM, /* insufficient memory */ BE_ERR_UNKNOWN, /* unknown error */ BE_ERR_INVORIGIN, /* invalid origin */ BE_ERR_HASCLONES, /* snapshot has clones */ } be_error_t; /* Library handling functions: be.c */ libbe_handle_t *libbe_init(const char *root); void libbe_close(libbe_handle_t *); /* Bootenv information functions: be_info.c */ const char *be_active_name(libbe_handle_t *); const char *be_active_path(libbe_handle_t *); const char *be_nextboot_name(libbe_handle_t *); const char *be_nextboot_path(libbe_handle_t *); const char *be_root_path(libbe_handle_t *); int be_get_bootenv_props(libbe_handle_t *, nvlist_t *); int be_get_dataset_props(libbe_handle_t *, const char *, nvlist_t *); int be_get_dataset_snapshots(libbe_handle_t *, const char *, nvlist_t *); int be_prop_list_alloc(nvlist_t **be_list); void be_prop_list_free(nvlist_t *be_list); int be_activate(libbe_handle_t *, const char *, bool); int be_deactivate(libbe_handle_t *, const char *, bool); bool be_is_auto_snapshot_name(libbe_handle_t *, const char *); /* Bootenv creation functions */ int be_create(libbe_handle_t *, const char *); int be_create_depth(libbe_handle_t *, const char *, const char *, int); int be_create_from_existing(libbe_handle_t *, const char *, const char *); int be_create_from_existing_snap(libbe_handle_t *, const char *, const char *); int be_snapshot(libbe_handle_t *, const char *, const char *, bool, char *); /* Bootenv manipulation functions */ int be_rename(libbe_handle_t *, const char *, const char *); /* Bootenv removal functions */ typedef enum { BE_DESTROY_FORCE = 1 << 0, BE_DESTROY_ORIGIN = 1 << 1, BE_DESTROY_AUTOORIGIN = 1 << 2, } be_destroy_opt_t; int be_destroy(libbe_handle_t *, const char *, int); /* Bootenv mounting functions: be_access.c */ typedef enum { BE_MNT_FORCE = 1 << 0, BE_MNT_DEEP = 1 << 1, } be_mount_opt_t; int be_mount(libbe_handle_t *, const char *, const char *, int, char *); int be_unmount(libbe_handle_t *, const char *, int); int be_mounted_at(libbe_handle_t *, const char *path, nvlist_t *); /* Error related functions: be_error.c */ int libbe_errno(libbe_handle_t *); const char *libbe_error_description(libbe_handle_t *); void libbe_print_on_error(libbe_handle_t *, bool); /* Utility Functions */ int be_root_concat(libbe_handle_t *, const char *, char *); int be_validate_name(libbe_handle_t * __unused, const char *); int be_validate_snap(libbe_handle_t *, const char *); int be_exists(libbe_handle_t *, const char *); int be_export(libbe_handle_t *, const char *, int fd); int be_import(libbe_handle_t *, const char *, int fd); #if SOON int be_add_child(libbe_handle_t *, const char *, bool); #endif void be_nicenum(uint64_t num, char *buf, size_t buflen); #endif /* _LIBBE_H */
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