File: [local] / src / sbin / fdisk / misc.c (download)
Revision 1.6, Sun Oct 19 23:30:48 1997 UTC (26 years, 7 months ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_3_0_BASE, OPENBSD_3_0, OPENBSD_2_9_BASE, OPENBSD_2_9, OPENBSD_2_8_BASE, OPENBSD_2_8, OPENBSD_2_7_BASE, OPENBSD_2_7, OPENBSD_2_6_BASE, OPENBSD_2_6, OPENBSD_2_5_BASE, OPENBSD_2_5, OPENBSD_2_4_BASE, OPENBSD_2_4, OPENBSD_2_3_BASE, OPENBSD_2_3, OPENBSD_2_2_BASE, OPENBSD_2_2 Changes since 1.5: +5 -5 lines
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/* $OpenBSD: misc.c,v 1.6 1997/10/19 23:30:48 deraadt Exp $ */
/*
* Copyright (c) 1997 Tobias Weingartner
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 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 Tobias Weingartner.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <err.h>
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <sys/disklabel.h>
#include "misc.h"
int
ask_cmd(cmd)
cmd_t *cmd;
{
char lbuf[100], *cp, *buf;
/* Get input */
if (fgets(lbuf, sizeof lbuf, stdin) == NULL)
errx(1, "eof");
lbuf[strlen(lbuf)-1] = '\0';
/* Parse input */
buf = lbuf;
buf = &buf[strspn(buf, " \t")];
cp = &buf[strcspn(buf, " \t")];
*cp++ = '\0';
strncpy(cmd->cmd, buf, 10);
buf = &cp[strspn(cp, " \t")];
strncpy(cmd->args, buf, 100);
return (0);
}
int
ask_num(str, flags, dflt, low, high, help)
const char *str;
int flags;
int dflt;
int low;
int high;
void (*help) __P((void));
{
char lbuf[100], *cp;
int num;
do {
again:
num = dflt;
if (flags == ASK_HEX)
printf("%s [%X - %X]: [%X] ", str, low, high, num);
else
printf("%s [%d - %d]: [%d] ", str, low, high, num);
if (help)
printf("(? for help) ");
if (fgets(lbuf, sizeof lbuf, stdin) == NULL)
errx(1, "eof");
lbuf[strlen(lbuf)-1] = '\0';
if (help && lbuf[0] == '?') {
(*help)();
goto again;
}
/* Convert */
cp = lbuf;
num = strtol(lbuf, &cp, ((flags==ASK_HEX)?16:10));
/* Make sure only number present */
if (cp == lbuf)
num = dflt;
if (*cp != '\0') {
printf("'%s' is not a valid number.\n", lbuf);
num = low - 1;
} else if (num < low || num > high) {
printf("'%d' is out of range.\n", num);
}
} while (num < low || num > high);
return (num);
}
int
ask_yn(str)
const char *str;
{
int ch, first;
printf("%s [n] ", str);
fflush(stdout);
first = ch = getchar();
while (ch != '\n' && ch != EOF)
ch = getchar();
if (ch == EOF || first == EOF)
errx(1, "eof");
return (first == 'y' || first == 'Y');
}
u_int16_t
getshort(p)
void *p;
{
unsigned char *cp = p;
return (cp[0] | (cp[1] << 8));
}
void
putshort(p, l)
void *p;
u_int16_t l;
{
unsigned char *cp = p;
*cp++ = l;
*cp++ = l >> 8;
}
u_int32_t
getlong(p)
void *p;
{
unsigned char *cp = p;
return (cp[0] | (cp[1] << 8) | (cp[2] << 16) | (cp[3] << 24));
}
void
putlong(p, l)
void *p;
u_int32_t l;
{
unsigned char *cp = p;
*cp++ = l;
*cp++ = l >> 8;
*cp++ = l >> 16;
*cp++ = l >> 24;
}