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Diffstat (limited to 'package/base-files/default/etc/functions.sh')
-rwxr-xr-x | package/base-files/default/etc/functions.sh | 119 |
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 new file mode 100755 index 0000000..9c3057e --- /dev/null +++ b/package/base-files/default/etc/functions.sh @@ -0,0 +1,119 @@ +#!/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 +} |