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lib/libzfsbootenv/lzbe_pair.c
- This file was added.
Property | Old Value | New Value |
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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); | |||||
} |