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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-27 07:22:49 +03:00
lvm2/tools/lvmcmdlib.c
2007-01-16 18:06:12 +00:00

118 lines
2.3 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
#include "lvm2cmdline.h"
#include "label.h"
#include "memlock.h"
#include "version.h"
#include "lvm2cmd.h"
#include <signal.h>
#include <syslog.h>
#include <libgen.h>
#include <sys/stat.h>
#include <time.h>
#include <sys/resource.h>
void *cmdlib_lvm2_init(unsigned is_static)
{
struct cmd_context *cmd;
lvm_register_commands();
if (!(cmd = init_lvm(is_static)))
return NULL;
return (void *) cmd;
}
int lvm2_run(void *handle, const char *cmdline)
{
int argc, ret, oneoff = 0;
char *args[MAX_ARGS], **argv, *cmdcopy = NULL;
struct cmd_context *cmd;
argv = args;
if (!handle) {
oneoff = 1;
if (!(handle = lvm2_init())) {
log_error("Handle initialisation failed.");
return ECMD_FAILED;
}
}
cmd = (struct cmd_context *) handle;
cmd->argv = argv;
if (!(cmdcopy = dm_strdup(cmdline))) {
log_error("Cmdline copy failed.");
ret = ECMD_FAILED;
goto out;
}
if (lvm_split(cmdcopy, &argc, argv, MAX_ARGS) == MAX_ARGS) {
log_error("Too many arguments. Limit is %d.", MAX_ARGS);
ret = EINVALID_CMD_LINE;
goto out;
}
if (!argc) {
log_error("No command supplied");
ret = EINVALID_CMD_LINE;
goto out;
}
/* FIXME Temporary - move to libdevmapper */
if (!strcmp(cmdline, "_memlock_inc"))
memlock_inc();
if (!strcmp(cmdline, "_memlock_dec"))
memlock_dec();
else
ret = lvm_run_command(cmd, argc, argv);
out:
dm_free(cmdcopy);
if (oneoff)
lvm2_exit(handle);
return ret;
}
void lvm2_log_level(void *handle, int level)
{
struct cmd_context *cmd = (struct cmd_context *) handle;
cmd->default_settings.verbose = level - VERBOSE_BASE_LEVEL;
return;
}
void lvm2_log_fn(lvm2_log_fn_t log_fn)
{
init_log_fn(log_fn);
}
void lvm2_exit(void *handle)
{
struct cmd_context *cmd = (struct cmd_context *) handle;
lvm_fin(cmd);
}