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/*
util.c - helper functions
Copyright (C) 2006-2011 Jean Delvare <jdelvare@suse.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
*/
#include <stdio.h>
#include "util.h"
/* To keep glibc2 happy */
#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 0
#include <sys/io.h>
#else
#include <asm/io.h>
#endif
/* Return 1 if we should continue, 0 if we should abort */
int user_ack(int def)
{
char s[2];
int ret;
if (!fgets(s, 2, stdin))
return 0; /* Nack by default */
switch (s[0]) {
case 'y':
case 'Y':
ret = 1;
break;
case 'n':
case 'N':
ret = 0;
break;
default:
ret = def;
}
/* Flush extra characters */
while (s[0] != '\n') {
int c = fgetc(stdin);
if (c == EOF) {
ret = 0;
break;
}
s[0] = c;
}
return ret;
}
/* I/O read of specified size */
unsigned long inx(int addr, int width)
{
switch (width) {
case 2:
return inw(addr);
break;
case 4:
return inl(addr);
break;
default:
return inb(addr);
}
}
/* I/O write of specified size */
void outx(unsigned long value, int addr, int width)
{
switch (width) {
case 2:
outw(value, addr);
break;
case 4:
outl(value, addr);
break;
default:
outb(value, addr);
}
}
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