1 files changed, 51 insertions, 0 deletions
diff --git a/lib/adei/adei_version.sh b/lib/adei/adei_version.sh
new file mode 100644
index 0000000..b71b1e1
--- /dev/null
+++ b/lib/adei/adei_version.sh
@@ -0,0 +1,51 @@
+vercomp() {
+    if [[ $1 == $2 ]]
+    then
+        return 0
+    fi
+    local IFS=.
+    local i ver1=($1) ver2=($2)
+    # fill empty fields in ver1 with zeros
+    for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
+    do
+        ver1[i]=0
+    done
+    for ((i=0; i<${#ver1[@]}; i++))
+    do
+        if [[ -z ${ver2[i]} ]]
+        then
+            # fill empty fields in ver2 with zeros
+            ver2[i]=0
+        fi
+        if ((10#${ver1[i]} > 10#${ver2[i]}))
+        then
+            return 1
+        fi
+        if ((10#${ver1[i]} < 10#${ver2[i]}))
+        then
+            return 2
+        fi
+    done
+    return 0
+}
+
+adei_version_check() {
+    vercomp $adei_revision $1
+    res=$?
+    if [ $res -eq 1 ]; then 
+	return 0
+    elif [ $res -eq 2 ]; then 
+	return 1;
+    fi
+    
+    if [ -z "$2" -o -z "$adei_date" ]; then 
+	return 0
+    fi
+
+    if [ $adei_date -ge $2 ]; then
+	return 0
+    fi
+    
+    return 1
+}
+