patch 8.1.2334: possible NULL pointer dereference in popup_locate() Commit: https://github.com/vim/vim/commit/fd318115a5ee813cba69aa7fc7f5f42f08f10ee4 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Nov 22 19:22:08 2019 +0100 patch 8.1.2334: possible NULL pointer dereference in popup_locate() Problem: Possible NULL pointer dereference in popup_locate(). (Coverity) Solution: Check for NULL pointer.

#! /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