add failsafe support for atheros-2.6 (#1501) - only works with ar5315+ at the moment

[openwrt.git] / package / base-files / files / etc / functions.sh

diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index 84121c5..8d11171 100755 (executable)
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -12,7 +12,7 @@ _C=0
 NO_EXPORT=1
 
 hotplug_dev() {
-       env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
+       env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
 }
 
 append() {
@@ -36,7 +36,7 @@ config () {
        export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
        name="${name:-cfg$CONFIG_NUM_SECTIONS}"
        append CONFIG_SECTIONS "$name"
-       config_cb "$cfgtype" "$name"
+       [ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
        export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
        export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
 }
@@ -46,7 +46,7 @@ option () {
        local value="$*"
        
        export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
-       option_cb "$varname" "$*"
+       [ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
 }
 
 config_rename() {
@@ -55,7 +55,7 @@ config_rename() {
        local oldvar
        local newvar
        
-       [ "$OLD" -a "$NEW" ] || return
+       [ -n "$OLD" -a -n "$NEW" ] || return
        for oldvar in `set | grep ^CONFIG_${OLD}_ | \
                sed -e 's/\(.*\)=.*$/\1/'` ; do
                newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
@@ -85,7 +85,11 @@ config_clear() {
 }
 
 config_load() {
-       local file="$UCI_ROOT/etc/config/$1"
+       local file
+       case "$1" in
+               /*) file="$1";;
+               *) file="$UCI_ROOT/etc/config/$1";;
+       esac
        _C=0
        export ${NO_EXPORT:+-n} CONFIG_SECTIONS=
        export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=0
@@ -105,26 +109,46 @@ config_get() {
        esac
 }
 
+# config_get_bool <variable> <section> <option> [<default>]
+config_get_bool() {
+       local _tmp
+       config_get "_tmp" "$2" "$3"
+       case "$_tmp" in
+               1|on|enabled) export ${NO_EXPORT:+-n} "$1=1";;
+               0|off|disabled) export ${NO_EXPORT:+-n} "$1=0";;
+               *) eval "$1=${4:-0}";;
+       esac
+}
+
 config_set() {
        local section="$1"
        local option="$2"
        local value="$3"
-       export ${NO_EXPORT:+-n} "CONFIG_${section}_${option}=$value"
+       local old_section="$CONFIG_SECTION"
+
+       CONFIG_SECTION="$section"
+       option "$option" "$value"
+       CONFIG_SECTION="$old_section"
 }
 
 config_foreach() {
        local function="$1"
-       local section
+       local type="$2"
+       local section cfgtype
        
        [ -z "$CONFIG_SECTIONS" ] && return 0
        for section in ${CONFIG_SECTIONS}; do
+               config_get cfgtype "$section" TYPE
+               [ -n "$type" -a "x$cfgtype" != "x$type" ] && continue
                eval "$function \"\$section\""
        done
 }
 
 load_modules() {
-       cd /etc/modules.d
-       sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+       [ -d /etc/modules.d ] && {
+               cd /etc/modules.d
+               sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+       }
 }
 
 include() {
@@ -137,9 +161,11 @@ include() {
 
 find_mtd_part() {
        local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+       local PREFIX=/dev/mtdblock
        
        PART="${PART##mtd}"
-       echo "${PART:+/dev/mtdblock/$PART}"
+       [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
+       echo "${PART:+$PREFIX$PART}"
 }
 
 strtok() { # <string> { <variable> [<separator>] ... }
@@ -160,9 +186,19 @@ strtok() { # <string> { <variable> [<separator>] ... }
                shift 2
        done
 
-       if [ $# -gt 0 -a "$val" ]; then
+       if [ $# -gt 0 -a -n "$val" ]; then
                export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
        fi
 
        return $count
 }
+
+
+jffs2_mark_erase() {
+       local part="$(find_mtd_part "$1")"
+       [ -z "$part" ] && {
+               echo Partition not found.
+               return 1
+       }
+       echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
+}