base-files/functions.sh: don't use $var in $(())

It's not needed. It can also lead to subtle bugs.

https://github.com/koalaman/shellcheck/wiki/Sc2004

Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev 2020-01-16 20:43:53 -08:00 committed by Adrian Schmutzler
parent 1322190fd3
commit cba5fa0352

View File

@ -70,7 +70,7 @@ config () {
local cfgtype="$1"
local name="$2"
export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$((CONFIG_NUM_SECTIONS + 1))
name="${name:-cfg$CONFIG_NUM_SECTIONS}"
append CONFIG_SECTIONS "$name"
export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
@ -93,7 +93,7 @@ list() {
config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
[ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
len=$(($len + 1))
len=$((len + 1))
config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
@ -162,7 +162,7 @@ config_list_foreach() {
while [ $c -le "$len" ]; do
config_get val "${section}" "${option}_ITEM$c"
eval "$function \"\$val\" \"\$@\""
c="$(($c + 1))"
c="$((c + 1))"
done
}