Add ESOCKTNOSUPPORT.

kernel/net/fs.cpp

@@ -679,7 +679,7 @@ Ref<Inode> Socket(int type, int protocol)
 	switch ( type )
 	{
 	case SOCK_STREAM: return Ref<Inode>(new StreamSocket(0, 0, 0600, manager));
-	default: return errno = EPROTOTYPE, Ref<Inode>(NULL);
+	default: return errno = ESOCKTNOSUPPORT, Ref<Inode>(NULL);
 	}
 }
 

kernel/net/ip.cpp

@@ -445,7 +445,7 @@ Ref<Inode> Socket(int type, int protocol)
 		if ( protocol == 0 || protocol == IPPROTO_TCP )
 			return TCP::Socket(AF_INET);
 		return errno = EPROTONOSUPPORT, Ref<Inode>(NULL);
-	default: return errno = EPROTOTYPE, Ref<Inode>(NULL);
+	default: return errno = ESOCKTNOSUPPORT, Ref<Inode>(NULL);
 	}
 }
 

libc/include/errno.h

@@ -109,6 +109,7 @@
 #define ENOMOUNT 99
 #define ENOMEDIUM 100
 #define EHOSTDOWN 101
+#define ESOCKTNOSUPPORT 102
 
 #define EOPNOTSUPP ENOTSUP
 #define EWOULDBLOCK EAGAIN

libc/string/strerror.c

@@ -111,6 +111,7 @@ char* strerror(int errnum)
 	case ENOMOUNT: return "No such mountpoint";
 	case ENOMEDIUM: return "No medium found";
 	case EHOSTDOWN: return "Host is down";
+	case ESOCKTNOSUPPORT: "Socket type is not supported";
 	default: return "Unknown error condition";
 	}
 }