format code (editorconfig and clang-format)

.clang-format

@@ -0,0 +1,66 @@
+---
+BasedOnStyle:  Google
+AccessModifierOffset: -2
+ConstructorInitializerIndentWidth: 2
+AlignEscapedNewlinesLeft: false
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: true
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: false
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializersBeforeComma: true
+BinPackParameters: true
+ColumnLimit:    120
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+DerivePointerBinding: false
+PointerBindsToType: true
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: true
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 60
+PenaltyBreakString: 1
+PenaltyBreakFirstLessLess: 1000
+PenaltyExcessCharacter: 1000
+PenaltyReturnTypeOnItsOwnLine: 90
+SpacesBeforeTrailingComments: 2
+Cpp11BracedListStyle: false
+Standard:        Auto
+IndentWidth:     3
+TabWidth:        3
+UseTab:          Never
+IndentFunctionDeclarationAfterType: false
+SpacesInParentheses: true
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpaceAfterControlStatementKeyword: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+SortIncludes: false
+SpaceAfterCStyleCast: false
+
+# Configure each individual brace in BraceWrapping
+BreakBeforeBraces: Custom
+
+# Control of individual brace wrapping cases
+BraceWrapping: {
+    AfterClass: 'true'
+    AfterControlStatement: 'false'
+    AfterEnum : 'true'
+    AfterFunction : 'false'
+    AfterNamespace : 'true'
+    AfterStruct : 'true'
+    AfterUnion : 'true'
+    BeforeCatch : 'true'
+    BeforeElse : 'true'
+    IndentBraces : 'false'
+}
+...

.editorconfig

@@ -0,0 +1,11 @@
+root                     = true
+
+[*]
+indent_style             = space
+indent_size              = 3
+tab_width                = 3
+end_of_line              = lf
+charset                  = utf-8
+trim_trailing_whitespace = true
+insert_final_newline     = true
+max_line_length          = 120

.gitignore

@@ -6,3 +6,6 @@ doku/*.pdf
 doku/*.gz
 doku/*.toc
 doku/*.log
+
+# Ignore Visual Studio Code folder
+.vscode/

src/wlanSignal.cpp

@@ -14,7 +14,6 @@ using namespace std;
 using namespace ros;
 using namespace wlan_pioneer;
 
-
 int8_t getWlanSignalStrength( const string& interface ) {
    struct iw_statistics stats;
    struct iwreq req;
@@ -36,13 +35,11 @@ int8_t getWlanSignalStrength(const string &interface) {
       ROS_ERROR( "Error retrieving WLAN signal strength " );
       close( sockfd );
       return numeric_limits<int8_t>::min();
-
    }
    close( sockfd );
    return stats.qual.level;
 }
 
-
 int main( int argc, char** argv ) {
    init( argc, argv, "wlanSignal" );
    NodeHandle node;