update fix_code_style.sh script

fix_code_style.sh

@@ -1,20 +1,50 @@
-#!/bin/sh
-astyle \
-    --style=kr   \
-    --indent=spaces=2  \
-    --convert-tabs \
-    --indent-switches    \
-    --indent-preprocessor \
-    --pad-oper      \
-    --pad-header    \
-    --unpad-paren   \
-    --keep-one-line-blocks  \
-    --keep-one-line-statements  \
-    --align-pointer=type  \
-    --suffix=none   \
-    --lineend=linux   \
-    --add-brackets    \
-    $*
+#!/bin/bash
 
-# options that don't seem to be supported by astyle 2.01
-# --attach-extern-c --align-reference=name --ignore-exclude-errors-x --max-code-length=120
+if ! type "astyle" > /dev/null; then
+    echo "You need to install astyle to use this script!"
+    exit 1
+fi
+
+if [ $# -eq 0 ]; then
+    echo "Please provide one or multiple files as arguments!"
+    exit 1
+fi
+
+ASTYLE_VERSION=`astyle --version 2>&1| awk '{print $4}'`
+echo "Using astyle version $ASTYLE_VERSION"
+
+if [ $(bc <<< "$ASTYLE_VERSION >= 2.03") -eq 1 ]; then
+    astyle --style=kr   \
+        --indent=spaces=2  \
+        --convert-tabs \
+        --indent-switches    \
+        --indent-preprocessor \
+        --pad-oper      \
+        --pad-header    \
+        --unpad-paren   \
+        --keep-one-line-blocks  \
+        --keep-one-line-statements  \
+        --align-pointer=type  \
+        --suffix=none   \
+        --lineend=linux   \
+        --add-brackets \
+        --ignore-exclude-errors-x \
+        --max-code-length=100 \
+        $*
+else
+    astyle --style=kr   \
+        --indent=spaces=2  \
+        --convert-tabs \
+        --indent-switches    \
+        --indent-preprocessor \
+        --pad-oper      \
+        --pad-header    \
+        --unpad-paren   \
+        --keep-one-line-blocks  \
+        --keep-one-line-statements  \
+        --align-pointer=type  \
+        --suffix=none   \
+        --lineend=linux   \
+        --add-brackets \
+        $*
+fi