patch 9.0.1311: Coverity warns for using a NULL pointer Commit: https://github.com/vim/vim/commit/339e114d70de3ec2b36edf37d7ba7a7cfdf9d1a6 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 15 14:26:25 2023 +0000 patch 9.0.1311: Coverity warns for using a NULL pointer Problem: Coverity warns for using a NULL pointer. Solution: Use "empty_option" instead of NULL.

#! /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