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-rwxr-xr-xpackage/base-files/default/etc/functions.sh119
1 files changed, 119 insertions, 0 deletions
diff --git a/package/base-files/default/etc/functions.sh b/package/base-files/default/etc/functions.sh
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+++ b/package/base-files/default/etc/functions.sh
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+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+
+alias debug=${DEBUG:-:}
+
+# newline
+N="
+"
+
+_C=0
+
+# valid interface?
+if_valid () (
+ ifconfig "$1" >&- 2>&- ||
+ [ "${1%%[0-9]}" = "br" ] ||
+ { debug "# missing interface '$1' ignored"; false; }
+)
+
+hotplug_dev() {
+ env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
+}
+
+append() {
+ local var="$1"
+ local value="$2"
+ local sep="${3:- }"
+ eval "export ${var}=\"\${${var}:+\${${var}}${value:+$sep}}\$value\""
+}
+
+reset_cb() {
+ config_cb() {
+ return 0
+ }
+ option_cb() {
+ return 0
+ }
+}
+reset_cb
+
+config () {
+ local cfgtype="$1"
+ local name="$2"
+ _C=$(($_C + 1))
+ name="${name:-cfg${_C}}"
+ config_cb "$cfgtype" "$name"
+ export CONFIG_SECTION="$name"
+ export CONFIG_${CONFIG_SECTION}_TYPE="$cfgtype"
+}
+
+option () {
+ local varname="$1"; shift
+ export CONFIG_${CONFIG_SECTION}_${varname}="$*"
+ option_cb "$varname" "$*"
+}
+
+config_rename() {
+ local OLD="$1"
+ local NEW="$2"
+ local oldsetting
+ local newvar
+
+ [ -z "$OLD" -o -z "$NEW" ] && return
+ for oldsetting in `set | grep ^CONFIG_${OLD}_ | \
+ sed -e 's/\(.*\)=.*$/\1/'` ; do
+ newvar="CONFIG_${NEW}_${oldsetting##CONFIG_${OLD}_}"
+ eval "${newvar}=\${$oldsetting}"
+ unset "$oldsetting"
+ done
+ [ "$CONFIG_SECTION" = "$OLD" ] && CONFIG_SECTION="$NEW"
+}
+
+config_unset() {
+ config_set "$1" "$2" ""
+}
+
+config_clear() {
+ [ -z "$CONFIG_SECTION" ] && return
+ for oldsetting in `set | grep ^CONFIG_${CONFIG_SECTION}_ | \
+ sed -e 's/\(.*\)=.*$/\1/'` ; do
+ unset $oldsetting
+ done
+ unset CONFIG_SECTION
+}
+
+config_load() {
+ local DIR="./"
+ _C=0
+ [ \! -e "$1" -a -e "/etc/config/$1" ] && {
+ DIR="/etc/config/"
+ }
+ [ -e "$DIR$1" ] && {
+ CONFIG_FILENAME="$DIR$1"
+ . ${CONFIG_FILENAME}
+ } || return 1
+ ${CD:+cd -} >/dev/null
+ ${CONFIG_SECTION:+config_cb}
+}
+
+config_get() {
+ case "$3" in
+ "") eval "echo \"\${CONFIG_${1}_${2}}\"";;
+ *) eval "$1=\"\${CONFIG_${2}_${3}}\"";;
+ esac
+}
+
+config_set() {
+ export CONFIG_${1}_${2}="${3}"
+}
+
+load_modules() {
+ sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+}
+
+include() {
+ for file in $(ls $1/*.sh 2>/dev/null); do
+ . $file
+ done
+}