Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
10	10	6 : View List ['(anonymous namespace)::_RealWebSocket::_RealWebSocket(int, bool)', 'setsockopt', 'recv', 'fcntl', 'operator delete(void*)', 'operator new(unsigned long)']	10	10	(anonymousnamespace)::from_url(std::__1::basic_string ,std::__1::allocator >const&,bool,std::__1::basic_string ,std::__1::allocator >const&)	call site: 00000	/src/easywsclient/easywsclient.cpp:515
0	0	None	26	26	(anonymousnamespace)::from_url(std::__1::basic_string ,std::__1::allocator >const&,bool,std::__1::basic_string ,std::__1::allocator >const&)	call site: 00000	/src/easywsclient/easywsclient.cpp:506
0	0	None	2	2	(anonymousnamespace)::hostname_connect(std::__1::basic_string ,std::__1::allocator >const&,int)	call site: 00000	/src/easywsclient/easywsclient.cpp:103
0	0	None	0	0	(anonymousnamespace)::from_url(std::__1::basic_string ,std::__1::allocator >const&,bool,std::__1::basic_string ,std::__1::allocator >const&)	call site: 00000	/src/easywsclient/easywsclient.cpp:465

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           easywsclient::WebSocket::from_url(std::__1::basic_string
           
            , std::__1::allocator
            
             > const&, std::__1::basic_string
             
              , std::__1::allocator
              
               > const&)

[function] [call site] 00001


             (anonymous namespace)::from_url(std::__1::basic_string
             
              , std::__1::allocator
              
               > const&, bool, std::__1::basic_string
               
                , std::__1::allocator
                
                 > const&)

[function] [call site] 00002


               fprintf

[call site] 00003


               fprintf

[call site] 00004


               __isoc99_sscanf

[call site] 00005


               __isoc99_sscanf

[call site] 00006


               __isoc99_sscanf

[call site] 00007


               __isoc99_sscanf

[call site] 00008


               fprintf

[call site] 00009


               (anonymous namespace)::hostname_connect(std::__1::basic_string
               
                , std::__1::allocator
                
                 > const&, int)

[function] [call site] 00010


                 snprintf

[call site] 00011


                 getaddrinfo

[call site] 00012


                 gai_strerror

[call site] 00013


                 socket

[call site] 00014


                 connect

[call site] 00015


                 close

[call site] 00016


                 freeaddrinfo

[call site] 00017


               fprintf

[call site] 00018


               snprintf

[call site] 00019


               snprintf

[call site] 00020


               snprintf

[call site] 00021


               snprintf

[call site] 00022


               snprintf

[call site] 00023


               snprintf

[call site] 00024


               snprintf

[call site] 00025


               snprintf

[call site] 00026


               snprintf

[call site] 00027


               recv

[call site] 00028


               fprintf

[call site] 00029


               __isoc99_sscanf

[call site] 00030


               recv

[call site] 00031


               setsockopt

[call site] 00032


               fcntl

[call site] 00033


               (anonymous namespace)::_RealWebSocket::_RealWebSocket(int, bool)

[function] [call site] 00034


                 easywsclient::WebSocket::WebSocket()

[function] [call site] 00035