[unix-history] / usr / src / usr.bin / telnet / main.c

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1988 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)main.c	1.10 (Berkeley) %G%";
#endif /* not lint */

#include <sys/types.h>

#include "ring.h"

#include "externs.h"
#include "defines.h"

/*
 * Initialize variables.
 */

void
tninit()
{
    init_terminal();

    init_network();
    
    init_telnet();

    init_sys();

    init_3270();
}


/*
 * main.  Parse arguments, invoke the protocol or command parser.
 */


int
main(argc, argv)
	int argc;
	char *argv[];
{
    tninit();		/* Clear out things */

    TerminalSaveState();

    prompt = argv[0];
    while ((argc > 1) && (argv[1][0] == '-')) {
	if (!strcmp(argv[1], "-d")) {
	    debug = 1;
	} else if (!strcmp(argv[1], "-n")) {
	    if ((argc > 1) && (argv[2][0] != '-')) {	/* get file name */
		NetTrace = fopen(argv[2], "w");
		argv++;
		argc--;
		if (NetTrace == NULL) {
		    NetTrace = stdout;
		}
	    }
	} else {
#if	defined(TN3270) && defined(unix)
	    if (!strcmp(argv[1], "-t")) {
		if ((argc > 1) && (argv[2][0] != '-')) { /* get file name */
		    transcom = tline;
		    (void) strcpy(transcom, argv[2]);
		    argv++;
		    argc--;
		}
	    } else if (!strcmp(argv[1], "-noasynch")) {
		noasynchtty = 1;
		noasynchnet = 1;
	    } else if (!strcmp(argv[1], "-noasynchtty")) {
		noasynchtty = 1;
	    } else if (!strcmp(argv[1], "-noasynchnet")) {
		noasynchnet = 1;
	    } else
#endif	/* defined(TN3270) && defined(unix) */
	    if (argv[1][1] != '\0') {
		fprintf(stderr, "Unknown option *%s*.\n", argv[1]);
	    }
	}
	argc--;
	argv++;
    }
    if (argc != 1) {
	if (setjmp(toplevel) != 0)
	    Exit(0);
	if (tn(argc, argv) == 1) {
	    return 0;
	} else {
	    return 1;
	}
    }
    (void) setjmp(toplevel);
    for (;;) {
#if	!defined(TN3270)
	command(1);
#else	/* !defined(TN3270) */
	if (!shell_active) {
	    command(1);
	} else {
#if	defined(TN3270)
	    shell_continue();
#endif	/* defined(TN3270) */
	}
#endif	/* !defined(TN3270) */
    }
}
Commit	Line	Data
897ce52e KB	1	/*
	2	* Copyright (c) 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
b36fc510 KB	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
897ce52e KB	16	*/
	17
	18	#ifndef lint
	19	char copyright[] =
	20	"@(#) Copyright (c) 1988 Regents of the University of California.\n\
	21	All rights reserved.\n";
	22	#endif /* not lint */
	23
	24	#ifndef lint
4ad36dea	25	static char sccsid[] = "@(#)main.c 1.10 (Berkeley) %G%";
897ce52e KB	26	#endif /* not lint */
897ce52e KB	27
115a5494 GM	28	#include <sys/types.h>
	29
	30	#include "ring.h"
	31
6f6e51bd GM	32	#include "externs.h"
	33	#include "defines.h"
	34
	35	/*
	36	* Initialize variables.
	37	*/
	38
	39	void
	40	tninit()
	41	{
6f6e51bd GM	42	init_terminal();
	43
	44	init_network();
	45
	46	init_telnet();
b307f09e GM	47
b307f09e GM	48	init_sys();
ee2a19ae GM	49
ee2a19ae GM	50	init_3270();
6f6e51bd GM	51	}
	52
	53
	54	/*
	55	* main. Parse arguments, invoke the protocol or command parser.
	56	*/
	57
	58
80a47e22	59	int
6f6e51bd GM	60	main(argc, argv)
	61	int argc;
	62	char *argv[];
	63	{
	64	tninit(); /* Clear out things */
	65
	66	TerminalSaveState();
	67
	68	prompt = argv[0];
	69	while ((argc > 1) && (argv[1][0] == '-')) {
	70	if (!strcmp(argv[1], "-d")) {
	71	debug = 1;
	72	} else if (!strcmp(argv[1], "-n")) {
	73	if ((argc > 1) && (argv[2][0] != '-')) { /* get file name */
	74	NetTrace = fopen(argv[2], "w");
	75	argv++;
	76	argc--;
	77	if (NetTrace == NULL) {
	78	NetTrace = stdout;
	79	}
	80	}
	81	} else {
	82	#if defined(TN3270) && defined(unix)
	83	if (!strcmp(argv[1], "-t")) {
	84	if ((argc > 1) && (argv[2][0] != '-')) { /* get file name */
	85	transcom = tline;
7673a54e	86	(void) strcpy(transcom, argv[2]);
6f6e51bd GM	87	argv++;
	88	argc--;
	89	}
	90	} else if (!strcmp(argv[1], "-noasynch")) {
4ad36dea GM	91	noasynchtty = 1;
	92	noasynchnet = 1;
	93	} else if (!strcmp(argv[1], "-noasynchtty")) {
	94	noasynchtty = 1;
	95	} else if (!strcmp(argv[1], "-noasynchnet")) {
	96	noasynchnet = 1;
6f6e51bd GM	97	} else
	98	#endif /* defined(TN3270) && defined(unix) */
	99	if (argv[1][1] != '\0') {
	100	fprintf(stderr, "Unknown option %s.\n", argv[1]);
	101	}
	102	}
	103	argc--;
	104	argv++;
	105	}
	106	if (argc != 1) {
	107	if (setjmp(toplevel) != 0)
	108	Exit(0);
80a47e22 GM	109	if (tn(argc, argv) == 1) {
	110	return 0;
	111	} else {
	112	return 1;
	113	}
6f6e51bd	114	}
80a47e22	115	(void) setjmp(toplevel);
6f6e51bd GM	116	for (;;) {
	117	#if !defined(TN3270)
	118	command(1);
	119	#else /* !defined(TN3270) */
	120	if (!shell_active) {
	121	command(1);
	122	} else {
	123	#if defined(TN3270)
	124	shell_continue();
	125	#endif /* defined(TN3270) */
	126	}
	127	#endif /* !defined(TN3270) */
	128	}
	129	}