xref: /titanic_51/usr/src/cmd/refer/hunt3.c (revision 11a8fa6cb17403e630122ac19b39a323c6e64142)
1*11a8fa6cSceastha /*
2*11a8fa6cSceastha  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3*11a8fa6cSceastha  * Use is subject to license terms.
4*11a8fa6cSceastha  */
5*11a8fa6cSceastha 
67c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
77c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
87c478bd9Sstevel@tonic-gate 
97c478bd9Sstevel@tonic-gate /*
107c478bd9Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
117c478bd9Sstevel@tonic-gate  * All rights reserved. The Berkeley software License Agreement
127c478bd9Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
137c478bd9Sstevel@tonic-gate  */
147c478bd9Sstevel@tonic-gate 
157c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
167c478bd9Sstevel@tonic-gate 
177c478bd9Sstevel@tonic-gate #include <locale.h>
187c478bd9Sstevel@tonic-gate #include "refer..c"
197c478bd9Sstevel@tonic-gate #define	BSIZ 250
207c478bd9Sstevel@tonic-gate 
21*11a8fa6cSceastha int
22*11a8fa6cSceastha getq(char *v[])
237c478bd9Sstevel@tonic-gate {
247c478bd9Sstevel@tonic-gate 	static char buff[BSIZ];
257c478bd9Sstevel@tonic-gate 	static int eof = 0;
267c478bd9Sstevel@tonic-gate 	extern char *sinput;
277c478bd9Sstevel@tonic-gate 	char *p;
287c478bd9Sstevel@tonic-gate 	int c, n = 0, las = 0;
29*11a8fa6cSceastha 	if (eof)
30*11a8fa6cSceastha 		return (-1);
317c478bd9Sstevel@tonic-gate 	p = buff;
32*11a8fa6cSceastha 	while ((c = (sinput ? *sinput++ : getchar())) > 0) {
337c478bd9Sstevel@tonic-gate 		if (c == '\n')
347c478bd9Sstevel@tonic-gate 			break;
35*11a8fa6cSceastha 		if (isalpha(c) || isdigit(c)) {
36*11a8fa6cSceastha 			if (las == 0) {
377c478bd9Sstevel@tonic-gate 				v[n++] = p;
387c478bd9Sstevel@tonic-gate 				las = 1;
397c478bd9Sstevel@tonic-gate 			}
407c478bd9Sstevel@tonic-gate 			if (las++ <= 6)
417c478bd9Sstevel@tonic-gate 				*p++ = c;
42*11a8fa6cSceastha 		} else {
437c478bd9Sstevel@tonic-gate 			if (las > 0)
447c478bd9Sstevel@tonic-gate 				*p++ = 0;
457c478bd9Sstevel@tonic-gate 			las = 0;
467c478bd9Sstevel@tonic-gate 		}
477c478bd9Sstevel@tonic-gate 	}
487c478bd9Sstevel@tonic-gate 	*p = 0;
497c478bd9Sstevel@tonic-gate 	if (p > buff + BSIZ)
50*11a8fa6cSceastha 		fprintf(stderr, gettext("query long than %d characters\n"),
51*11a8fa6cSceastha 		    BSIZ);
527c478bd9Sstevel@tonic-gate 	assert(p < buff + BSIZ);
537c478bd9Sstevel@tonic-gate 	if (sinput == 0 && c <= 0) eof = 1;
547c478bd9Sstevel@tonic-gate #if D1
557c478bd9Sstevel@tonic-gate 	fprintf(stderr, "no. keys %d\n", n);
567c478bd9Sstevel@tonic-gate 	for (c = 0; c < n; c++)
577c478bd9Sstevel@tonic-gate 		fprintf(stderr, "keys X%sX\n", v[c]);
587c478bd9Sstevel@tonic-gate #endif
597c478bd9Sstevel@tonic-gate 	return (n);
607c478bd9Sstevel@tonic-gate }
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