+/* $NetBSD: getpar.c,v 1.18 2009/08/12 08:54:54 dholland Exp $ */
+
/*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1980, 1993
+ * The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* SUCH DAMAGE.
*/
+#include <sys/cdefs.h>
#ifndef lint
-static char sccsid[] = "@(#)getpar.c 4.8 (Berkeley) 6/1/90";
+#if 0
+static char sccsid[] = "@(#)getpar.c 8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: getpar.c,v 1.18 2009/08/12 08:54:54 dholland Exp $");
+#endif
#endif /* not lint */
-# include <stdio.h>
-# include "getpar.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "getpar.h"
+#include "trek.h"
+
+static int testterm(void);
/**
** get integer parameter
**/
-getintpar(s)
-char *s;
+int
+getintpar(const char *s)
{
- register int i;
+ int i;
int n;
- while (1)
- {
+ while (1) {
if (testnl() && s)
printf("%s: ", s);
i = scanf("%d", &n);
** get floating parameter
**/
-double getfltpar(s)
-char *s;
+double
+getfltpar(const char *s)
{
- register int i;
+ int i;
double d;
- while (1)
- {
+ while (1) {
if (testnl() && s)
printf("%s: ", s);
i = scanf("%lf", &d);
** get yes/no parameter
**/
-struct cvntab Yntab[] =
-{
- "y", "es", (int (*)())1, 0,
- "n", "o", (int (*)())0, 0,
- 0
+static const struct cvntab Yntab[] = {
+ { "y", "es", (cmdfun)1, 1 },
+ { "n", "o", (cmdfun)0, 0 },
+ { NULL, NULL, NULL, 0 }
};
-getynpar(s)
-char *s;
+int
+getynpar(const char *s)
{
- struct cvntab *r;
+ const struct cvntab *r;
r = getcodpar(s, Yntab);
- return ((int) r->value);
+ return r->value2;
}
** get coded parameter
**/
-struct cvntab *getcodpar(s, tab)
-char *s;
-struct cvntab tab[];
+const struct cvntab *
+getcodpar(const char *s, const struct cvntab tab[])
{
char input[100];
- register struct cvntab *r;
+ const struct cvntab *r;
int flag;
- register char *p, *q;
+ const char *p, *q;
int c;
int f;
flag = 0;
- while (1)
- {
+ while (1) {
flag |= (f = testnl());
if (flag)
printf("%s: ", s);
- if (f)
- cgetc(0); /* throw out the newline */
+ if (f) {
+ /* throw out the newline */
+ getchar();
+ }
scanf("%*[ \t;]");
- if ((c = scanf("%[^ \t;\n]", input)) < 0)
+ if ((c = scanf("%99[^ \t;\n]", input)) < 0)
exit(1);
if (c == 0)
continue;
flag = 1;
/* if command list, print four per line */
- if (input[0] == '?' && input[1] == 0)
- {
+ if (input[0] == '?' && input[1] == 0) {
c = 4;
- for (r = tab; r->abrev; r++)
- {
- concat(r->abrev, r->full, input);
+ for (r = tab; r->abbrev; r++) {
+ strcpy(input, r->abbrev);
+ strcat(input, r->full);
printf("%14.14s", input);
if (--c > 0)
continue;
}
/* search for in table */
- for (r = tab; r->abrev; r++)
- {
+ for (r = tab; r->abbrev; r++) {
p = input;
- for (q = r->abrev; *q; q++)
+ for (q = r->abbrev; *q; q++)
if (*p++ != *q)
break;
- if (!*q)
- {
+ if (!*q) {
for (q = r->full; *p && *q; q++, p++)
if (*p != *q)
break;
}
/* check for not found */
- if (!r->abrev)
- {
+ if (!r->abbrev) {
printf("invalid input; ? for valid inputs\n");
skiptonl(0);
- }
- else
+ } else
return (r);
}
}
** get string parameter
**/
-getstrpar(s, r, l, t)
-char *s;
-char *r;
-int l;
-char *t;
+void
+getstrpar(const char *s, char *r, int l, const char *t)
{
- register int i;
+ int i;
char format[20];
- register int f;
+ int f;
if (t == 0)
t = " \t\n;";
- (void)sprintf(format, "%%%d[^%s]", l, t);
- while (1)
- {
+ (void)snprintf(format, sizeof(format), "%%%d[^%s]", l, t);
+ while (1) {
if ((f = testnl()) && s)
printf("%s: ", s);
if (f)
- cgetc(0);
+ getchar();
scanf("%*[\t ;]");
i = scanf(format, r);
if (i < 0)
** test if newline is next valid character
**/
-testnl()
+int
+testnl(void)
{
- register char c;
+ int c;
- while ((c = cgetc(0)) != '\n')
+ while ((c = getchar()) != '\n') {
+ if (c == EOF) {
+ exit(1);
+ }
if ((c >= '0' && c <= '9') || c == '.' || c == '!' ||
- (c >= 'A' && c <= 'Z') ||
- (c >= 'a' && c <= 'z') || c == '-')
- {
+ (c >= 'A' && c <= 'Z') ||
+ (c >= 'a' && c <= 'z') || c == '-') {
ungetc(c, stdin);
return(0);
}
+ }
ungetc(c, stdin);
return (1);
}
** scan for newline
**/
-skiptonl(c)
-char c;
+void
+skiptonl(int c)
{
- while (c != '\n')
- if (!(c = cgetc(0)))
- return;
+ while (c != '\n') {
+ c = getchar();
+ if (c == EOF) {
+ exit(1);
+ }
+ }
ungetc('\n', stdin);
return;
}
** test for valid terminator
**/
-testterm()
+static int
+testterm(void)
{
- register char c;
+ int c;
- if (!(c = cgetc(0)))
- return (1);
+ c = getchar();
+ if (c == EOF) {
+ exit(1);
+ }
if (c == '.')
return (0);
if (c == '\n' || c == ';')
/*
-** TEST FOR SPECIFIED DELIMETER
+** TEST FOR SPECIFIED DELIMITER
**
** The standard input is scanned for the parameter. If found,
** it is thrown away and non-zero is returned. If not found,
** zero is returned.
*/
-readdelim(d)
-char d;
+int
+readdelim(int d)
{
- register char c;
+ int c;
- while (c = cgetc(0))
- {
+ while ((c = getchar()) != EOF) {
if (c == d)
return (1);
if (c == ' ')
continue;
ungetc(c, stdin);
- break;
+ return 0;
}
- return (0);
+ exit(1);
}