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df(1): Allow duplicate -l flags gracefully

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Rather than producing a misleading error message when duplicate -l flags are
provided to df(1), simply ignore extra flags and proceed as if only one was
specified.  This seems most reasonable given the usage for -l:

     -l      Only display information about locally-mounted file systems.

l and t flags still conflict, as before.

PR:		208169
Reported by:	by at reorigin.com
Reviewed by:	allanjude
This commit is contained in:
Conrad Meyer 2016-08-31 18:10:41 +00:00
parent 61bd7ae0ec
commit 246ef54f15
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=305139
1 changed files with 3 additions and 0 deletions
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bin/df/df.c
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@ -166,6 +166,9 @@ main(int argc, char *argv[])
hflag = 0;
break;
case 'l':
/* Ignore duplicate -l */
if (lflag)
break;
if (vfslist != NULL)
xo_errx(1, "-l and -t are mutually exclusive.");
vfslist = makevfslist(makenetvfslist());