[PATCH RFC LKMM 3/3] EXP tools/memory-model: Make scripts take "-j" abbreviation for "--jobs"

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From: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>

The "--jobs" argument to the litmus-test scripts is similar to the "-jN"
argument to "make", so this commit allows the "-jN" form as well.  While
in the area, it also prohibits the various forms of "-j0".

Suggested-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
 tools/memory-model/scripts/parseargs.sh | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/tools/memory-model/scripts/parseargs.sh b/tools/memory-model/scripts/parseargs.sh
index 96b307c8d64a..859e1d581e05 100755
--- a/tools/memory-model/scripts/parseargs.sh
+++ b/tools/memory-model/scripts/parseargs.sh
@@ -95,8 +95,18 @@ do
 		LKMM_HERD_OPTIONS="$2"
 		shift
 		;;
-	--jobs|--job)
-		checkarg --jobs "(number)" "$#" "$2" '^[0-9]\+$' '^--'
+	-j[1-9]*)
+		njobs="`echo $1 | sed -e 's/^-j//'`"
+		trailchars="`echo $njobs | sed -e 's/[0-9]\+\(.*\)$/\1/'`"
+		if test -n "$trailchars"
+		then
+			echo $1 trailing characters "'$trailchars'"
+			usagehelp
+		fi
+		LKMM_JOBS="`echo $njobs | sed -e 's/^\([0-9]\+\).*$/\1/'`"
+		;;
+	--jobs|--job|-j)
+		checkarg --jobs "(number)" "$#" "$2" '^[1-9][0-9]\+$' '^--'
 		LKMM_JOBS="$2"
 		shift
 		;;
-- 
2.17.1




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