commit https://github.com/vim/vim/commit/42dd7aee41ffcc5afdbf9bb83d70e7123261cada Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 23 22:50:12 2016 +0100 patch 7.4.1410 Problem: Leaking memory in cscope interface. Solution: Free memory when no tab is found. (Christian Brabandt)

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done