/***	GENEREAL LIBRARY INFORMATION****	(c) COPYRIGHT MIT 1995.**	Please first read the full copyright statement in the file COPYRIGH.**	@(#) $Id: HTLib.c,v 2.17 1999/06/22 22:40:48 frystyk Exp $**** Authors**	HFN	Henrik Frystyk Nielsen, frystyk@w3.org*/#if !defined(HT_DIRECT_WAIS) && !defined(HT_DEFAULT_WAIS_GATEWAY)#define HT_DEFAULT_WAIS_GATEWAY "http://www.w3.org:8001/"#endif/* Library include files */#include "WWWUtil.h"#include "HTAnchor.h"#include "HTProt.h"#include "HTDNS.h"#include "HTUTree.h"#include "HTLib.h"					 /* Implemented here */#ifndef W3C_VERSION#define W3C_VERSION	"unknown"#endif#ifndef HT_DEFAULT_USER#define HT_DEFAULT_USER		"LIBWWW_GENERIC_USER"#endifPRIVATE char * HTAppName = NULL;	  /* Application name: please supply */PRIVATE char * HTAppVersion = NULL;    /* Application version: please supply */PRIVATE char * HTLibName = "libwww";PRIVATE char * HTLibVersion = W3C_VERSION;PRIVATE BOOL   HTSecure = NO;		 /* Can we access local file system? */PRIVATE BOOL   initialized = NO;PRIVATE HTUserProfile * UserProfile = NULL;	     /* Default user profile *//* --------------------------------------------------------------------------*//*	Information about the Application**	---------------------------------*/PUBLIC const char * HTLib_appName (void){    return HTAppName ? HTAppName : "UNKNOWN";}PUBLIC BOOL HTLib_setAppName (const char * name){    if (name) {	char * ptr;	StrAllocCopy(HTAppName, name);	ptr = HTAppName;	while (*ptr) {	    if (isspace((int) *ptr)) *ptr = '_';	    ptr++;	}	return YES;    }    return NO;}PUBLIC const char * HTLib_appVersion (void){    return HTAppVersion ? HTAppVersion : "0.0";}PUBLIC BOOL HTLib_setAppVersion (const char * version){    if (version) {	char * ptr;	StrAllocCopy(HTAppVersion, version);	ptr = HTAppVersion;	while (*ptr) {	    if (isspace((int) *ptr)) *ptr = '_';	    ptr++;	}	return YES;    }    return NO;}/*	Information about libwww**	------------------------*/PUBLIC const char * HTLib_name (void){    return HTLibName ? HTLibName : "UNKNOWN";}PUBLIC const char * HTLib_version (void){    return HTLibVersion ? HTLibVersion : "0.0";}/*	Default User Profile**	--------------------*/PUBLIC HTUserProfile * HTLib_userProfile (void){    return UserProfile;}PUBLIC BOOL HTLib_setUserProfile (HTUserProfile * up){    if (up) {	UserProfile = up;	return YES;    }    return NO;}/*	Access Local File System**	------------------------**	In this mode we do not tough the local file system at all*/PUBLIC BOOL HTLib_secure (void){    return HTSecure;}PUBLIC void HTLib_setSecure (BOOL mode){    HTSecure = mode;}/*	Have application initalized**	---------------------------*/PUBLIC BOOL HTLib_isInitialized (void){    return initialized;}/*								     HTLibInit****	This function initiates the Library and it MUST be called when**	starting up an application. See also HTLibTerminate()*/PUBLIC BOOL HTLibInit (const char * AppName, const char * AppVersion){    HTTRACE(CORE_TRACE, "WWWLibInit.. INITIALIZING LIBRARY OF COMMON CODE\n");    /* Set the application name and version */    HTLib_setAppName(AppName);    HTLib_setAppVersion(AppVersion);    /* Initialize the timezone */#ifdef HAVE_TZSET    tzset();#endif    /* Create a default user profile and initialize it */    UserProfile = HTUserProfile_new(HT_DEFAULT_USER, NULL);    HTUserProfile_localize(UserProfile);#ifdef WWWLIB_SIG    /* On Solaris (and others?) we get a BROKEN PIPE signal when connecting    ** to a port where we should get `connection refused'. We ignore this     ** using the following function call    */    HTSetSignal();				   /* Set signals in library */#endif    initialized = YES;    return YES;}/*	HTLibTerminate**	--------------**	This function HT_FREEs memory kept by the Library and should be called**	before exit of an application (if you are on a PC platform)*/PUBLIC BOOL HTLibTerminate (void){    HTTRACE(CORE_TRACE, "WWWLibTerm.. Cleaning up LIBRARY OF COMMON CODE\n");    HTNet_killAll();    HTHost_deleteAll();		/* Delete remaining hosts */    HTChannel_deleteAll();			/* Delete remaining channels */    HT_FREE(HTAppName);	        /* Freed thanks to Wade Ogden <wade@ebt.com> */    HT_FREE(HTAppVersion);    HTAtom_deleteAll();					 /* Remove the atoms */    HTDNS_deleteAll();				/* Remove the DNS host cache */    HTAnchor_deleteAll(NULL);		/* Delete anchors and drop hyperdocs */    HTProtocol_deleteAll();  /* Remove bindings between access and protocols */    HTUserProfile_delete(UserProfile);	    /* Free our default User profile */    HTUTree_deleteAll();			     /* Delete all URL Trees */    initialized = NO;    return YES;}