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Allow for multiple spellings / backwards compatibility of renamed

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command line options.
      vgchange --resizeable y
      pvchange --allocatable y
But --allocation is still allowed for both (as LVM1) and --resizable is OK.
This commit is contained in:
Alasdair Kergon 2002-01-10 14:46:50 +00:00
parent 5da1f3e7c8
commit de45f4884c
1 changed files with 35 additions and 8 deletions
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43
tools/lvm.c
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@ -502,10 +502,33 @@ static struct arg *find_arg(struct command *com, int opt)
return 0;
}
static int merge_synonym(int oldarg, int newarg)
{
struct arg *old, *new;
if (arg_count(oldarg) && arg_count(newarg)) {
log_error("%s and %s are synonyms. Please only supply one.",
the_args[oldarg].long_arg,
the_args[newarg].long_arg);
return 0;
}
if (!arg_count(oldarg))
return 1;
old = the_args + oldarg;
new = the_args + newarg;
new->count = old->count;
new->value = old->value;
new->i_value = old->i_value;
new->sign = old->sign;
return 1;
}
static int process_common_commands(struct command *com)
{
int l;
_current_settings = _default_settings;
if (arg_count(suspend_ARG))
@ -537,12 +560,16 @@ static int process_common_commands(struct command *com)
return ECMD_PROCESSED;
}
/* Set autobackup if command takes this option */
for (l = 0; l < com->num_args; l++)
if (arg_count(autobackup_ARG)) {
_current_settings.archive = 1;
_current_settings.backup = 1;
}
if (arg_count(autobackup_ARG)) {
_current_settings.archive = 1;
_current_settings.backup = 1;
}
/* Handle synonyms */
if (!merge_synonym(resizable_ARG, resizeable_ARG) ||
!merge_synonym(allocation_ARG, allocatable_ARG) ||
!merge_synonym(allocation_ARG, resizeable_ARG))
return ECMD_FAILED;
/* Zero indicates it's OK to continue processing this command */
return 0;