added Socket::sendx() functions

added SocketAddress::set() that accepts a string
fixed a bug in nwad-skad.c

qse/include/qse/config.h.in

@@ -503,6 +503,12 @@
 /* Define to 1 if you have the `readdir64' function. */
 #undef HAVE_READDIR64
 
+/* Define to 1 if you have the `readv' function. */
+#undef HAVE_READV
+
+/* Define to 1 if you have the `recvmsg' function. */
+#undef HAVE_RECVMSG
+
 /* Define to 1 if you have the `round' function. */
 #undef HAVE_ROUND
 
@@ -530,6 +536,9 @@
 /* Define to 1 if you have the `sendfilev64' function. */
 #undef HAVE_SENDFILEV64
 
+/* Define to 1 if you have the `sendmsg' function. */
+#undef HAVE_SENDMSG
+
 /* Define to 1 if you have the `setcontext' function. */
 #undef HAVE_SETCONTEXT
 
@@ -832,6 +841,9 @@
 /* This value is set to 1 to indicate that the system argz facility works */
 #undef HAVE_WORKING_ARGZ
 
+/* Define to 1 if you have the `writev' function. */
+#undef HAVE_WRITEV
+
 /* Define to 1 if you have the `_vsnprintf' function. */
 #undef HAVE__VSNPRINTF
 
@@ -872,12 +884,33 @@
 /* Define if dlsym() requires a leading underscore in symbol names. */
 #undef NEED_USCORE
 
+/* The size of `AF_INET', as computed by valueof. */
+#undef NUMVALOF_AF_INET
+
+/* The size of `AF_INET6', as computed by valueof. */
+#undef NUMVALOF_AF_INET6
+
+/* The size of `AF_PACKET', as computed by valueof. */
+#undef NUMVALOF_AF_PACKET
+
+/* The size of `AF_UNIX', as computed by valueof. */
+#undef NUMVALOF_AF_UNIX
+
 /* The size of `MB_LEN_MAX', as computed by valueof. */
 #undef NUMVALOF_MB_LEN_MAX
 
 /* The size of `PATH_MAX', as computed by valueof. */
 #undef NUMVALOF_PATH_MAX
 
+/* The size of `SOCK_DGRAM', as computed by valueof. */
+#undef NUMVALOF_SOCK_DGRAM
+
+/* The size of `SOCK_RAW', as computed by valueof. */
+#undef NUMVALOF_SOCK_RAW
+
+/* The size of `SOCK_STREAM', as computed by valueof. */
+#undef NUMVALOF_SOCK_STREAM
+
 /* Name of package */
 #undef PACKAGE
 
@@ -903,6 +936,18 @@
    your system. */
 #undef PTHREAD_CREATE_JOINABLE
 
+/* AF_INET */
+#undef QSE_AF_INET
+
+/* AF_INET6 */
+#undef QSE_AF_INET6
+
+/* AF_PACKET */
+#undef QSE_AF_PACKET
+
+/* AF_UNIX */
+#undef QSE_AF_UNIX
+
 /* The default character type is the multi-byte character type */
 #undef QSE_CHAR_IS_MCHAR
 
@@ -936,6 +981,12 @@
 /* Define if mode_t is signed */
 #undef QSE_MODE_T_IS_SIGNED
 
+/* offsetof(struct iovec, iov_base) */
+#undef QSE_OFFSETOF_IOV_BASE
+
+/* offsetof(struct iovec, iov_len) */
+#undef QSE_OFFSETOF_IOV_LEN
+
 /* offsetof(struct sockaddr, sa_family) */
 #undef QSE_OFFSETOF_SA_FAMILY
 
@@ -1023,6 +1074,9 @@
 /* sizeof(socklen_t) */
 #undef QSE_SIZEOF_SOCKLEN_T
 
+/* sizeof(struct iovec) */
+#undef QSE_SIZEOF_STRUCT_IOVEC
+
 /* sizeof(struct sockaddr_dl) */
 #undef QSE_SIZEOF_STRUCT_SOCKADDR_DL
 
@@ -1068,6 +1122,15 @@
 /* Define if socklen_t is signed */
 #undef QSE_SOCKLEN_T_IS_SIGNED
 
+/* SOCK_DGRAM */
+#undef QSE_SOCK_DGRAM
+
+/* SOCK_RAW */
+#undef QSE_SOCK_RAW
+
+/* SOCK_STREAM */
+#undef QSE_SOCK_STREAM
+
 /* use qse_fltmax_t for floating-point numbers in AWK */
 #undef QSE_USE_AWK_FLTMAX
 
@@ -1131,6 +1194,9 @@
 /* The size of `socklen_t', as computed by sizeof. */
 #undef SIZEOF_SOCKLEN_T
 
+/* The size of `struct iovec', as computed by sizeof. */
+#undef SIZEOF_STRUCT_IOVEC
+
 /* The size of `struct sockaddr_dl', as computed by sizeof. */
 #undef SIZEOF_STRUCT_SOCKADDR_DL
 

qse/include/qse/si/Socket.hpp

@@ -76,15 +76,22 @@ public:
 	int open (int domain, int type, int protocol, int traits = 0) QSE_CPP_NOEXCEPT;
 	void close () QSE_CPP_NOEXCEPT;
 
-	
 	int connect (const SocketAddress& target) QSE_CPP_NOEXCEPT;
 	int bind (const SocketAddress& target) QSE_CPP_NOEXCEPT;
 	int listen (int backlog) QSE_CPP_NOEXCEPT;
 	int accept (Socket* newsck, SocketAddress* newaddr, int traits = 0) QSE_CPP_NOEXCEPT;
 
+	// The send() functions sends data by attemping a single call to the 
+	// underlying system calls
 	qse_ssize_t send (const void* buf, qse_size_t len) QSE_CPP_NOEXCEPT;
 	qse_ssize_t send (const void* buf, qse_size_t len, const SocketAddress& dstaddr) QSE_CPP_NOEXCEPT;
 
+	// The sendx() functions sends data as much as it can, possibly with multiple
+	// underlying system calls. 
+	int sendx (const void* buf, qse_size_t len, qse_size_t* total_sent = QSE_NULL) QSE_CPP_NOEXCEPT;
+	int sendx (const void* buf, qse_size_t len, const SocketAddress& dstaddr, qse_size_t* total_sent = QSE_NULL) QSE_CPP_NOEXCEPT;
+	int sendx (qse_ioptl_t* vec, int count, qse_size_t* total_sent = QSE_NULL) QSE_CPP_NOEXCEPT;
+
 	qse_ssize_t receive (void* buf, qse_size_t len) QSE_CPP_NOEXCEPT;
 	qse_ssize_t receive (void* buf, qse_size_t len, SocketAddress& srcaddr) QSE_CPP_NOEXCEPT;
 

qse/include/qse/si/SocketAddress.hpp

@@ -72,6 +72,8 @@ public:
 
 	int set (const qse_skad_t* skad); 
 	int set (const qse_nwad_t* nwad);
+	int set (const qse_mchar_t* str);
+	int set (const qse_wchar_t* str);
 
 protected:
 	qse_skad_t skad;

qse/include/qse/types.h

@@ -762,6 +762,29 @@ struct qse_xptl_t
 };
 typedef struct qse_xptl_t qse_xptl_t;
 
+/**
+ * The qse_ioptl_t type defines an analogus type to 'struct iovec' typically
+ * found on posix platforms
+ */
+#if (QSE_SIZEOF_STRUCT_IOVEC > 0) && (QSE_OFFSETOF_IOV_BASE != QSE_OFFSETOF_IOV_LEN)
+	struct qse_ioptl_t
+	{
+	/* [THINK] do i have to go extreme to inject fillers by looking at the total size and the offsets ? 
+	 *         i believe most systems should define only two members - iovec_base and iovec_len */
+	#if (QSE_OFFSETOF_IOV_BASE < QSE_OFFSETOF_IOV_LEN)
+		void*      ptr;
+		qse_size_t len;
+	#else
+		qse_size_t len;
+		void*      ptr;
+	#endif
+	};
+	typedef struct qse_ioptl_t qse_ioptl_t;
+#else
+	typedef qse_xptl_t qse_ioptl_t;
+#endif
+
+
 /**
  * The qse_floc_t type defines a structure that can hold a position
  * in a file.