Returns and exits

* add some abortive returns
 * some exit tweaks

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

4 files changed, 18 insertions, 10 deletions

diff --git a/src/connections/wireless b/src/connections/wireless
index 0e7e274..955f957 100644
--- a/src/connections/wireless
+++ b/src/connections/wireless
@@ -11,12 +11,14 @@ wireless_up() {
     . "$SUBR_DIR/wireless"
 
     if [[ -n "$RFKILL" ]]; then
-        if [[ ! "$(get_rf_state "$INTERFACE")" == "up" ]]; then
+        local state=$(get_rf_state "$INTERFACE") || return 1
+        if [[ "$state" != "up" ]]; then
             if [[ "$RFKILL" == "soft" ]]; then
                 set_rf_state "$INTERFACE" up
                 sleep 1
             else
                 report_fail "radio is disabled on $INTERFACE"
+                return 1
             fi
         fi
     fi
@@ -218,7 +220,7 @@ wireless_down() {
     # Any reason why a hardware switch should be considered on interface down?
     if [[ "$RFKILL" == "soft" ]]; then
         . "$SUBR_DIR/wireless"
-        set_rf_state "$INTERFACE" down
+        set_rf_state "$INTERFACE" down || return 1
     fi
 }
 
diff --git a/src/netcfg b/src/netcfg
index 91d038e..fd589b0 100644
--- a/src/netcfg
+++ b/src/netcfg
@@ -28,7 +28,6 @@ usage()
     echo "-v, version        Output version information and exit"
     echo "    all-resume     Resume previously suspended profiles and reconnect them"
     echo "    all-suspend    Store a list of current running profiles and suspend them"
-    exit 1
 }
 
 # TODO: Re-add ROOT check and rewrite with getopts from BashFAQ
@@ -38,7 +37,8 @@ case "$1" in
         version
         exit 0;;
     --help|-h|help)
-        usage;;
+        usage
+        exit 0;;
     list|-l)
         echo "Available Profiles"
         echo "------------------"
@@ -84,12 +84,14 @@ case "$1" in
     all-suspend)
         all_suspend;;
     -*|--*)
-        usage;;
+        usage
+        exit 1;;
     *)
         if [[ -n "$1" ]]; then
             profile_up "$1"
         else
             usage
+            exit 1
         fi
         ;;
 esac
diff --git a/src/network b/src/network
index f1f55cf..678fbb3 100644
--- a/src/network
+++ b/src/network
@@ -267,8 +267,8 @@ check_iface() {
         else
             echo "up"
         fi
-        exit 0
         )
+        return 0
     else
         return 1
     fi
diff --git a/src/wireless b/src/wireless
index 713beb2..d118919 100644
--- a/src/wireless
+++ b/src/wireless
@@ -136,7 +136,7 @@ wpa_supplicant_scan_info() {
     [[ -z "$INTERFACE" ]] && return 1
     essids=$(mktemp --tmpdir essid.XXXXXXXX)
 
-    wpa_supplicant -B -i"$INTERFACE" -Dwext -C/var/run/wpa_supplicant -P/var/run/wpa_supplicant.pid
+    wpa_supplicant -B -i"$INTERFACE" -Dwext -C/var/run/wpa_supplicant -P/var/run/wpa_supplicant.pid || return 1
     wpa_cli -i "$INTERFACE" scan &> /dev/null
     sleep 2.5
     wpa_cli -i "$INTERFACE" scan_results |
@@ -169,8 +169,11 @@ wpa_supplicant_scan_info() {
 set_rf_state() {
     local INTERFACE="$1" state="$2" PROFILE="$3"
 
-    [[ $RFKILL == "hard" ]] && report_fail "Cannot set state on hardware rfkill switch"
-    local path=$(get_rf_path "$INTERFACE" "$RFKILL_NAME")
+    if [[ "$RFKILL" == "hard" ]]
+        report_fail "Cannot set state on hardware rfkill switch"
+        return 1
+    fi
+    local path=$(get_rf_path "$INTERFACE" "$RFKILL_NAME") || return 1
     case "$state" in
         up)
             echo 1 > "$path/state"
@@ -200,12 +203,13 @@ get_rf_path() {
         fi
         report_fail "no rfkill switch available on interface $INTERFACE"
     fi
+    return 1
 }
 
 get_rf_state() {
     local INTERFACE="$1" PROFILE="$2" path state
 
-    path=$(get_rf_path "$INTERFACE" "$RFKILL_NAME")
+    path=$(get_rf_path "$INTERFACE" "$RFKILL_NAME") || return 1
     state=$(cat "$path/state")
 
     case "$state" in