patch 9.0.0220: invalid memory access with for loop over NULL string Commit: https://github.com/vim/vim/commit/f6d39c31d2177549a986d170e192d8351bd571e2 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 16 17:50:38 2022 +0100 patch 9.0.0220: invalid memory access with for loop over NULL string Problem: Invalid memory access with for loop over NULL string. Solution: Make sure mb_ptr2len() consistently returns zero for NUL.

#! /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