xref: /illumos-gate/usr/src/cmd/refer/hunt3.c (revision ba5b88a2af43e87b261a91f0dcb051dcc20e519b)
1 /*
2  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
7 /*	  All Rights Reserved  	*/
8 
9 /*
10  * Copyright (c) 1980 Regents of the University of California.
11  * All rights reserved. The Berkeley software License Agreement
12  * specifies the terms and conditions for redistribution.
13  */
14 
15 #include <locale.h>
16 #include "refer..c"
17 #define	BSIZ 250
18 
19 int
20 getq(char *v[])
21 {
22 	static char buff[BSIZ];
23 	static int eof = 0;
24 	extern char *sinput;
25 	char *p;
26 	int c, n = 0, las = 0;
27 	if (eof)
28 		return (-1);
29 	p = buff;
30 	while ((c = (sinput ? *sinput++ : getchar())) > 0) {
31 		if (c == '\n')
32 			break;
33 		if (isalpha(c) || isdigit(c)) {
34 			if (las == 0) {
35 				v[n++] = p;
36 				las = 1;
37 			}
38 			if (las++ <= 6)
39 				*p++ = c;
40 		} else {
41 			if (las > 0)
42 				*p++ = 0;
43 			las = 0;
44 		}
45 	}
46 	*p = 0;
47 	if (p > buff + BSIZ)
48 		fprintf(stderr, gettext("query long than %d characters\n"),
49 		    BSIZ);
50 	assert(p < buff + BSIZ);
51 	if (sinput == 0 && c <= 0) eof = 1;
52 #if D1
53 	fprintf(stderr, "no. keys %d\n", n);
54 	for (c = 0; c < n; c++)
55 		fprintf(stderr, "keys X%sX\n", v[c]);
56 #endif
57 	return (n);
58 }
59