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lib/libzfsbootenv/lzbe_pair.c
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| /*- | |||||
| * Copyright 2020 Toomas Soome <tsoome@me.com> | |||||
| * | |||||
| * 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 AUTHOR 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 AUTHOR 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. | |||||
| */ | |||||
| #include <sys/cdefs.h> | |||||
| __FBSDID("$FreeBSD$"); | |||||
| #include <sys/types.h> | |||||
| #include <string.h> | |||||
| #include <libzfs.h> | |||||
| #include <libzfsbootenv.h> | |||||
| /* | |||||
| * Store pair defined by key, type and value. | |||||
| */ | |||||
| int | |||||
| lzbe_set_pair(const char *pool, const char *key, const char *type, | |||||
| const char *value) | |||||
| { | |||||
| libzfs_handle_t *hdl; | |||||
| zpool_handle_t *zphdl; | |||||
| nvlist_t *nv; | |||||
| int rv = -1; | |||||
| if (pool == NULL || *pool == '\0' || type == NULL) | |||||
| return (rv); | |||||
| if ((hdl = libzfs_init()) == NULL) { | |||||
| return (rv); | |||||
| } | |||||
| zphdl = zpool_open(hdl, pool); | |||||
| if (zphdl == NULL) { | |||||
| libzfs_fini(hdl); | |||||
| return (rv); | |||||
| } | |||||
| rv = zpool_get_bootenv(zphdl, &nv); | |||||
| if (rv == 0) { | |||||
| if (strcmp(type, "DATA_TYPE_STRING") == 0) { | |||||
| if ((value == NULL || *value == '\0') && | |||||
| nvlist_exists(nv, key)) { | |||||
| fnvlist_remove(nv, key); | |||||
| } else { | |||||
| fnvlist_add_string(nv, key, value); | |||||
| } | |||||
| } | |||||
| } | |||||
| rv = zpool_set_bootenv(zphdl, nv); | |||||
| nvlist_free(nv); | |||||
| zpool_close(zphdl); | |||||
| libzfs_fini(hdl); | |||||
| return (rv); | |||||
| } | |||||