code analysis : lint , cppcheck

http://stackoverflow.com/questions/632057/c-c-free-alternative-to-lint
http://www.cnblogs.com/beifei/archive/2011/08/13/2137474.html
http://www.dotblogs.com.tw/larrynung/archive/2011/10/29/47866.aspx
http://developer.android.com/tools/debugging/improving-w-lint.html#commandline
http://cppcheck.sourceforge.net/devinfo/doxyoutput/cmdlineparser_8cpp_source.html

$ cppcheck . 2> err.txt