* See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tclInt.h"

#if defined(_WIN32) && defined(UNICODE)
/*
 * On Windows, we need to do proper Unicode->UTF-8 conversion.
 */

typedef struct ThreadSpecificData {
    int initialized;
    Tcl_DString errorMsg; /* UTF-8 encoded error-message */
} ThreadSpecificData;
static Tcl_ThreadDataKey dataKey;

#undef gai_strerror
static const char *
gai_strerror(
    int code)
{
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    if (tsdPtr->initialized) {
	Tcl_DStringFree(&tsdPtr->errorMsg);
    } else {
	tsdPtr->initialized = 1;
    }

    if (current < size) {
	len = sizeof(int);
	setsockopt((SOCKET)(size_t) sock, SOL_SOCKET, SO_SNDBUF,
		(char *) &size, len);
    }
    len = sizeof(int);
    getsockopt((SOCKET)(size_t) sock, SOL_SOCKET, SO_RCVBUF,
	    (char *) &current, &len);
    if (current < size) {
	len = sizeof(int);
	setsockopt((SOCKET)(size_t) sock, SOL_SOCKET, SO_RCVBUF,
		(char *) &size, len);
    }
    return TCL_OK;
}

    hints.ai_socktype = SOCK_STREAM;

#if 0
    /*
     * We found some problems when using AI_ADDRCONFIG, e.g. on systems that
     * have no networking besides the loopback interface and want to resolve
     * localhost. See [Bugs 3385024, 3382419, 3382431]. As the advantage of
     * using AI_ADDRCONFIG is probably low even in situations where it works,
     * we'll leave it out for now. After all, it is just an optimisation.
     *
     * Missing on: OpenBSD, NetBSD.
     * Causes failure when used on AIX 5.1 and HP-UX
     */

#if defined(AI_ADDRCONFIG) && !defined(_AIX) && !defined(__hpux)

 *	is left in the interp's result if interp is not NULL.
 *
 * Side effects:
 *	Opens a server socket and creates a new channel.
 *
 *----------------------------------------------------------------------
 */

Tcl_Channel
Tcl_OpenTcpServer(
    Tcl_Interp *interp,
    int port,
    const char *host,
    Tcl_TcpAcceptProc *acceptProc,
    ClientData callbackData)
{
    char portbuf[TCL_INTEGER_SPACE];

    TclFormatInt(portbuf, port);
    return Tcl_OpenTcpServerEx(interp, portbuf, host, -1,
	    TCL_TCPSERVER_REUSEADDR, acceptProc, callbackData);
}