OpenSolaris_b135/cmd/refer/hunt3.c

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <locale.h>
#include "refer..c"
#define	BSIZ 250

int
getq(char *v[])
{
	static char buff[BSIZ];
	static int eof = 0;
	extern char *sinput;
	char *p;
	int c, n = 0, las = 0;
	if (eof)
		return (-1);
	p = buff;
	while ((c = (sinput ? *sinput++ : getchar())) > 0) {
		if (c == '\n')
			break;
		if (isalpha(c) || isdigit(c)) {
			if (las == 0) {
				v[n++] = p;
				las = 1;
			}
			if (las++ <= 6)
				*p++ = c;
		} else {
			if (las > 0)
				*p++ = 0;
			las = 0;
		}
	}
	*p = 0;
	if (p > buff + BSIZ)
		fprintf(stderr, gettext("query long than %d characters\n"),
		    BSIZ);
	assert(p < buff + BSIZ);
	if (sinput == 0 && c <= 0) eof = 1;
#if D1
	fprintf(stderr, "no. keys %d\n", n);
	for (c = 0; c < n; c++)
		fprintf(stderr, "keys X%sX\n", v[c]);
#endif
	return (n);
}