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commands: initialize commands[] once

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When using liblvm2cmd, a process can do multiple
init/exit calls, i.e.

lvm2_init(); lvm2_run(); lvm2_exit();
lvm2_init(); lvm2_run(); lvm2_exit();
...

define_commands() needs to set up the global commands[]
definitions only the first time.
This commit is contained in:
David Teigland 2017-02-16 13:59:52 -06:00
parent 15f51bc421
commit 1cb95fa5a0
1 changed files with 4 additions and 0 deletions
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4
tools/lvmcmdline.c
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@ -1130,6 +1130,10 @@ void lvm_register_commands(char *name)
{
int i;
/* already initialized */
if (_cmdline.commands)
return;
memset(&commands, 0, sizeof(commands));
/*