From 0d27618adb7bd5fa4300a00921d69c1c6aae68fa Mon Sep 17 00:00:00 2001
From: Miloslav Trmac <mitr@volny.cz>
Date: Wed, 26 Jul 2006 01:30:02 +0000
Subject: Use the alias value to lookup an install line. Use string comparisons
 instead of regexp matches in the awk conditions, speeding up the awk program
 several times.

---
 sysconfig/network-scripts/network-functions | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'sysconfig/network-scripts/network-functions')

diff --git a/sysconfig/network-scripts/network-functions b/sysconfig/network-scripts/network-functions
index 36d207a7..310d9861 100644
--- a/sysconfig/network-scripts/network-functions
+++ b/sysconfig/network-scripts/network-functions
@@ -200,11 +200,18 @@ is_available ()
     LC_ALL= LANG= ip -o link | grep -q $1
     [ "$?" = "1" ] || return 0
 
-    alias=`modprobe -c | awk "/^(alias|install)[[:space:]]+$1[[:space:]]/ { print \\$3 }"`
-    if [ -z "$alias" -o "$alias" = "off" -o "$alias" = "/bin/true" \
-	 -o "$alias" = ":" ]; then
-        return 2
-    fi
+    modprobe -c | awk \
+'BEGIN { alias = ""; }
+$1 == "alias" && $2 == "'"$1"'" { alias = $3; }
+$1 == "install" { install[$2] = $3; }
+END {
+    cmd = install[alias];
+    if (alias == "" || alias == "off" || cmd == "/bin/true" || cmd == ":")
+        exit 1;
+    exit 0;
+}'
+    [ $? -eq 0 ] || return 2
+
     modprobe $1 > /dev/null 2>&1 || {
       return 1
     }
-- 
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