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lvm2/doc/example_cmdlib.c
Alasdair Kergon d614646157 Store any errno and error messages issued while processing each command.
(Enabled by default while we test it, but in due course we'll only store
the error messages when we need to.)
2009-07-15 23:57:54 +00:00

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1.0 KiB
C

/*
* 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 "lvm2cmd.h"
/* All output gets passed to this function line-by-line */
void test_log_fn(int level, int dm_errno, const char *file, int line,
const char *format)
{
/* Extract and process output here rather than printing it */
if (level != 4)
return;
printf("%s\n", format);
return;
}
int main(int argc, char **argv)
{
void *handle;
int r;
lvm2_log_fn(test_log_fn);
handle = lvm2_init();
lvm2_log_level(handle, 1);
r = lvm2_run(handle, "vgs --noheadings vg1");
/* More commands here */
lvm2_exit(handle);
return r;
}