RCS_ID_C "$Id: misc.c,v 0.1 1993/03/29 07:49:34 ppessi Exp $";
/* misc.c -- collection of generic useful functions used by niftyterm
 *
 * Copyright 1988, 1989 Chris Newman
 * All Rights Reserved
 * Permission is granted ot copy, modify, and use this as long
 * as this notice remains intact.  This is a nifty program.
 *
 * $Author: ppessi $ $Revision: 0.1 $ $Date: 1993/03/29 07:49:34 $
 */

#include <stdio.h>
#include <ctype.h>
#include "nifty.h"
#include <devices/timer.h>

extern int access(), execve();
extern struct timerequest *tr;

/* a string compare which ignores case
 */
#define	TOLOWER(c)  (isupper(c) ? tolower(c) : c)
int lstrncmp(str1, str2, len)
    register char *str1, *str2;
    register int  len;
{
    while (TOLOWER(*str1) == TOLOWER(*str2) && --len)
	str1++, str2++;
    return (TOLOWER(*str1) - TOLOWER(*str2));
}

/* This sleeps for a given amount of microseconds
 */
void
udelay(val)
unsigned long val;
{
    tr->tr_time.tv_secs = val / 1000000L;
    tr->tr_time.tv_micro = val % 1000000L;
    tr->tr_node.io_Command = TR_ADDREQUEST;
    DoIO((struct IORequest *)tr);
}

/* simple procedure to convert decimal number of 
 * less than 20 digits to a string.
 */
char *itos(i)
    int i;
{
    static char    sbuf[20];
    register char  *pos = sbuf, *rpos = sbuf;

    while (i || pos == sbuf) {
	*pos++ = "0123456789"[i % 10];
	i /= 10;
    }
    *pos-- = '\0';
    while (pos > rpos) {
	register char temp = *pos;
	*pos-- = *rpos;
	*rpos++ = temp;
    }

    return (sbuf);
}