2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)getpar.c 8.1 (Berkeley) 5/31/93
30 * $FreeBSD: src/games/trek/getpar.c,v 1.5 1999/11/30 03:49:48 billf Exp $
36 static bool testterm(void);
39 ** get integer parameter
43 getintpar(const char *s
)
54 if (i
> 0 && testterm())
56 printf("invalid input; please enter an integer\n");
62 ** get floating parameter
66 getfltpar(const char *s
)
77 if (i
> 0 && testterm())
79 printf("invalid input; please enter a double\n");
85 ** get yes/no parameter
88 struct cvntab Yntab
[] = {
89 { "y", "es", (cmdfun
)1, 0 },
90 { "n", "o", (cmdfun
)0, 0 },
91 { NULL
, NULL
, NULL
, 0 }
95 getynpar(const char *s
)
99 r
= getcodpar(s
, Yntab
);
100 return ((long) r
->value
);
105 ** get coded parameter
109 getcodpar(const char *s
, struct cvntab tab
[])
121 flag
|= (f
= testnl());
125 cgetc(0); /* throw out the newline */
127 if ((c
= scanf("%[^ \t;\n]", input
)) < 0)
133 /* if command list, print four per line */
134 if (input
[0] == '?' && input
[1] == 0) {
136 for (r
= tab
; r
->abrev
; r
++) {
137 strcpy(input
, r
->abrev
);
138 strcat(input
, r
->full
);
139 printf("%14.14s", input
);
150 /* search for in table */
151 for (r
= tab
; r
->abrev
; r
++) {
153 for (q
= r
->abrev
; *q
; q
++)
157 for (q
= r
->full
; *p
&& *q
; q
++, p
++)
165 /* check for not found */
167 printf("invalid input; ? for valid inputs\n");
177 ** get string parameter
181 getstrpar(const char *s
, char *r
, int l
, const char *t
)
189 sprintf(format
, "%%%d[^%s]", l
, t
);
191 if ((f
= testnl()) && s
)
196 i
= scanf(format
, r
);
206 ** test if newline is next valid character
214 while ((c
= cgetc(0)) != '\n') {
215 if ((c
>= '0' && c
<= '9') || c
== '.' || c
== '!' ||
216 (c
>= 'A' && c
<= 'Z') ||
217 (c
>= 'a' && c
<= 'z') || c
== '-') {
244 ** test for valid terminator
256 if (c
== '\n' || c
== ';')
263 ** TEST FOR SPECIFIED DELIMITER
265 ** The standard input is scanned for the parameter. If found,
266 ** it is thrown away and non-zero is returned. If not found,
275 while ((c
= cgetc(0))) {