ANSIfy syscall args

[unix-history] / usr / src / sys / tahoe / align / Aget_long.c

/*-
* Copyright (c) 1986 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Computer Consoles Inc.
*
* %sccs.include.redist.c%
*
*      @(#)Aget_long.c 7.1 (Berkeley) %G%
*/

#include        "align.h"
int get_longword (infop, address)
process_info    *infop;
char            *address;
/*
/*      Fetch the longword at the given 'address' from memory.
/*      Caveat: It's quite difficult to find a pte reference
/*              fault.  So I took the easy way out and just signal
/*              an illegal access.
/*      
/**************************************************/
{
       register long code, value;

       code = readable(infop, address, 4);
       if (code == TRUE) {
               value = *address++;
               value = (value << 8) | *address++ & 0xff;
               value = (value << 8) | *address++ & 0xff;
               value = (value << 8) | *address & 0xff;
               return(value);
       } else exception (infop, ILL_ACCESS, address, code);
}