stop using bash'isms ('function')

runtest: do not depend on busybox.links

scripts/trylink

@@ -2,7 +2,7 @@
 
 debug=false
 
-function try {
+try() {
     added="$1"
     shift
     $debug && echo "Trying: $* $added"

testsuite/runtest

@@ -6,7 +6,7 @@ PATH=$bindir:$PATH
 
 # Run old-style test.
 
-function run_applet_testcase
+run_applet_testcase()
 {
 	local applet=$1
 	local testcase=$2
@@ -94,10 +94,20 @@ fi
 
 # Populate a directory with links to all busybox applets
 
-LINKSDIR="${bindir}/runtest-tempdir-links"
+LINKSDIR="$bindir/runtest-tempdir-links"
+implemented=$($bindir/busybox 2>&1 |
+	while read line
+	do
+		if test x"$line" = x"Currently defined functions:"
+		then
+			xargs | sed 's/,//g'
+			break
+		fi
+	done
+	)
 rm -rf "$LINKSDIR" 2>/dev/null
 mkdir "$LINKSDIR"
-for i in $(sed 's@/[a-z0-9/\[]*/@@' $bindir/busybox.links 2>/dev/null)
+for i in $implemented
 do
 	ln -s $bindir/busybox "$LINKSDIR"/$i
 done