update imq patches (fixes #2009)

[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 7ba59af..8d11171 100755 (executable)
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -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}_}"
@@ -139,7 +139,7 @@ config_foreach() {
        [ -z "$CONFIG_SECTIONS" ] && return 0
        for section in ${CONFIG_SECTIONS}; do
                config_get cfgtype "$section" TYPE
-               [ -n "$type" -a "$cfgtype" != "$type" ] && continue
+               [ -n "$type" -a "x$cfgtype" != "x$type" ] && continue
                eval "$function \"\$section\""
        done
 }
@@ -186,7 +186,7 @@ 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