endian.c

来自「加密硬盘、分区、虚拟盘的程序源码」· C语言 代码 · 共 21 行

/* Copyright (C) 2004 TrueCrypt Team, truecrypt.org
   This product uses components written by Paul Le Roux <[e-mail]> */

#include "TCdefs.h"
#include "endian.h"

void
LongReverse (unsigned long *buffer, unsigned byteCount)
{
	unsigned long value;

	byteCount /= sizeof (unsigned long);
	while (byteCount--)
	{
		value = *buffer;
		value = ((value & 0xFF00FF00L) >> 8) | \
		    ((value & 0x00FF00FFL) << 8);
		*buffer++ = (value << 16) | (value >> 16);
	}
}