From 318867de22a49dc1e348cc1173ee4cdeb977d7b1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Mon, 16 Jul 2018 10:46:38 +0200
Subject: [PATCH] localize fucntion variables

---
 cgilite.sh | 1 +
 file.sh    | 6 +++---
 storage.sh | 2 ++
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/cgilite.sh b/cgilite.sh
index b936e47..2930a4c 100755
--- a/cgilite.sh
+++ b/cgilite.sh
@@ -186,6 +186,7 @@ PATH(){
 
 
 SET_COOKIE(){
+  local expire cookie
   case "$1" in
     ''|0|session) expire='';;
     [+-][0-9]*)   expire="$(date -R -d @$(($(date +%s) + $1)))";;
diff --git a/file.sh b/file.sh
index 06f28d0..084b7e6 100755
--- a/file.sh
+++ b/file.sh
@@ -1,4 +1,4 @@
-#!/bin/zsh
+#!/bin/sh
 
 # Copyright 2016 - 2018 Paul Hänsch
 #
@@ -40,7 +40,7 @@ file_type(){
 }
 
 FILE(){
-  unset range file_size file_date http_date cachedate
+  local file file_size file_date http_date cachedate range
   file="$1"
 
   if ! [ -f "$file" ]; then
@@ -109,7 +109,7 @@ FILE(){
   
     [ "$REQUEST_METHOD" != HEAD ] \
     && tail -c+$((${range%-*} + 1)) "$file" \
-       | head -c "$((${range#*-} - ${range%-*} + 1))"
+     | head -c "$((${range#*-} - ${range%-*} + 1))"
 
   elif [ "${range%-*}" -gt "${range#*-}" ]; then
     printf '%s: %s\r\n' \
diff --git a/storage.sh b/storage.sh
index 8bd1b95..a6b6b43 100755
--- a/storage.sh
+++ b/storage.sh
@@ -21,6 +21,7 @@
 include_storage="$0"
 
 LOCK(){
+  local lock timeout block
   lock="${1}.lock"
   timeout="${2-20}"
   if [ \! -w "${lock%/*}" ] || [ -e "$lock" -a \! -d "$lock" ]; then
@@ -46,6 +47,7 @@ LOCK(){
 }
 
 RELEASE(){
+  local lock
   lock="${1}.lock"
   if [ "$(cat "$lock/pid")" = "$$" ]; then
     rm "$lock/pid"
-- 
2.39.2