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33 * @(#)getpar.c 8.1 (Berkeley) 5/31/93
34 * $FreeBSD: src/games/trek/getpar.c,v 1.5 1999/11/30 03:49:48 billf Exp $
35 * $DragonFly: src/games/trek/getpar.c,v 1.3 2006/09/07 21:19:44 pavalos Exp $
41 static bool testterm(void);
44 ** get integer parameter
48 getintpar(const char *s)
60 if (i > 0 && testterm())
62 printf("invalid input; please enter an integer\n");
68 ** get floating parameter
72 getfltpar(const char *s)
84 if (i > 0 && testterm())
86 printf("invalid input; please enter a double\n");
92 ** get yes/no parameter
95 struct cvntab Yntab[] =
97 { "y", "es", (void (*)(int))1, 0 },
98 { "n", "o", (void (*)(int))0, 0 },
99 { NULL, NULL, NULL, 0 }
103 getynpar(const char *s)
107 r = getcodpar(s, Yntab);
108 return ((long) r->value);
113 ** get coded parameter
117 getcodpar(const char *s, struct cvntab tab[])
130 flag |= (f = testnl());
134 cgetc(0); /* throw out the newline */
136 if ((c = scanf("%[^ \t;\n]", input)) < 0)
142 /* if command list, print four per line */
143 if (input[0] == '?' && input[1] == 0)
146 for (r = tab; r->abrev; r++)
148 strcpy(input, r->abrev);
149 strcat(input, r->full);
150 printf("%14.14s", input);
161 /* search for in table */
162 for (r = tab; r->abrev; r++)
165 for (q = r->abrev; *q; q++)
170 for (q = r->full; *p && *q; q++, p++)
178 /* check for not found */
181 printf("invalid input; ? for valid inputs\n");
191 ** get string parameter
195 getstrpar(const char *s, char *r, int l, const char *t)
203 sprintf(format, "%%%d[^%s]", l, t);
206 if ((f = testnl()) && s)
211 i = scanf(format, r);
221 ** test if newline is next valid character
229 while ((c = cgetc(0)) != '\n')
230 if ((c >= '0' && c <= '9') || c == '.' || c == '!' ||
231 (c >= 'A' && c <= 'Z') ||
232 (c >= 'a' && c <= 'z') || c == '-')
258 ** test for valid terminator
270 if (c == '\n' || c == ';')
277 ** TEST FOR SPECIFIED DELIMETER
279 ** The standard input is scanned for the parameter. If found,
280 ** it is thrown away and non-zero is returned. If not found,
289 while ((c = cgetc(0)))