head	1.8;
access;
symbols;
locks; strict;
comment	@ * @;


1.8
date	92.12.15.00.20.22;	author jromine;	state Exp;
branches;
next	1.7;

1.7
date	92.11.12.00.57.49;	author jromine;	state Exp;
branches;
next	1.6;

1.6
date	92.10.26.22.38.03;	author jromine;	state Exp;
branches;
next	1.5;

1.5
date	90.04.05.15.31.15;	author sources;	state Exp;
branches;
next	1.4;

1.4
date	90.04.05.14.45.27;	author sources;	state Exp;
branches;
next	1.3;

1.3
date	90.02.06.13.03.44;	author sources;	state Exp;
branches;
next	1.2;

1.2
date	90.02.05.14.22.01;	author sources;	state Exp;
branches;
next	1.1;

1.1
date	90.02.05.14.20.51;	author sources;	state Exp;
branches;
next	;


desc
@@


1.8
log
@endif sugar
@
text
@/* getans.c - get an answer from the user and return a string array */
#ifndef	lint
static char ident[] = "@@(#)$Id: getans.c,v 1.7 1992/11/12 00:57:49 jromine Exp jromine $";
#endif	/* lint */

#include "../h/mh.h"
#ifdef	BSD42
#include <setjmp.h>
#endif	/* BSD42 */
#include <signal.h>
#include <stdio.h>


static	char ansbuf[BUFSIZ];
#ifndef	BSD42
static	int interrupted;
#else	/* BSD42 */
static	jmp_buf sigenv;
#endif	/* BSD42 */
static TYPESIG	intrser ();

char  **getans (prompt, ansp)
char   *prompt;
struct swit   *ansp;
{
    int    i;
    TYPESIG    (*istat) ();
    char  *cp,
	 **cpp;

#ifndef	BSD42
    interrupted = 0;
    istat = signal (SIGINT, intrser);
#else	/* BSD42 */
    switch (setjmp (sigenv)) {
	case OK: 
	    istat = signal (SIGINT, intrser);
	    break;

	default: 
	    (void) signal (SIGINT, istat);
	    return NULL;
    }
#endif	/* BSD42 */
    for (;;) {
	printf ("%s", prompt);
	(void) fflush (stdout);
	cp = ansbuf;
	while ((i = getchar ()) != '\n') {
#ifndef	BSD42
	    if (i == EOF || interrupted) {
		interrupted = 0;
		(void) signal (SIGINT, istat);
		return NULL;
	    }
#else	/* BSD42 */
	    if (i == EOF)
		longjmp (sigenv, DONE);
#endif	/* BSD42 */
	    if (cp < &ansbuf[sizeof ansbuf - 1])
		*cp++ = i;
	}
	*cp = 0;
	if (ansbuf[0] == '?' || cp == ansbuf) {
	    printf ("Options are:\n");
	    printsw (ALL, ansp, "");
	    continue;
	}
	cpp = brkstring (ansbuf, " ", NULLCP);
	switch (smatch (*cpp, ansp)) {
	    case AMBIGSW: 
		ambigsw (*cpp, ansp);
		continue;
	    case UNKWNSW: 
		printf (" -%s unknown. Hit <CR> for help.\n", *cpp);
		continue;
	    default: 
		(void) signal (SIGINT, istat);
		return cpp;
	}
    }
}


static	TYPESIG intrser (i)
int	i;
{
#ifndef	BSD42
	(void) signal(SIGINT, intrser);
	interrupted = 1;
#else	/* BSD42 */
	longjmp (sigenv, NOTOK);
#endif	/* BSD42 */
}
@


1.7
log
@fix for SVR4
@
text
@d3 2
a4 2
static char ident[] = "@@(#)$Id: getans.c,v 1.6 1992/10/26 22:38:03 jromine Exp jromine $";
#endif	lint
d9 1
a9 1
#endif	BSD42
d17 1
a17 1
#else	BSD42
d19 1
a19 1
#endif	BSD42
d34 1
a34 1
#else	BSD42
d44 1
a44 1
#endif	BSD42
d56 1
a56 1
#else	BSD42
d59 1
a59 1
#endif	BSD42
d91 1
a91 1
#else	BSD42
d93 1
a93 1
#endif	BSD42
@


1.6
log
@add TYPESIG on intrser
@
text
@d3 1
a3 1
static char ident[] = "@@(#)$Id: getans.c,v 1.5 1990/04/05 15:31:15 sources Exp jromine $";
d85 3
a87 1
static	TYPESIG intrser () {
@


1.5
log
@add ID
@
text
@d3 1
a3 1
static char ident[] = "@@(#)$Id:$";
d20 1
a20 1
static int	intrser ();
d85 1
a85 1
static	int intrser () {
@


1.4
log
@add ID
@
text
@d3 1
a3 1
static char ident[] = "$Id:";
@


1.3
log
@ANSI Compilance
@
text
@d2 3
@


1.2
log
@TYPESIG
@
text
@d17 1
a17 1
int	intrser ();
@


1.1
log
@Initial revision
@
text
@d24 1
a24 1
    int    (*istat) ();
@