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/* @(#)swabbytes.c 1.7 06/09/13 Copyright 1988, 1995-2003 J. Schilling */
/*
* swab bytes in memory
*
* Copyright (c) 1988, 1995-2003 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#include <schily/standard.h>
#include <schily/schily.h>
#define DO8(a) a; a; a; a; a; a; a; a;
EXPORT void
swabbytes(vp, cnt)
void *vp;
register int cnt;
{
register char *bp = (char *)vp;
register char c;
cnt /= 2; /* even count only */
while ((cnt -= 8) >= 0) {
DO8(c = *bp++; bp[-1] = *bp; *bp++ = c;);
}
cnt += 8;
while (--cnt >= 0) {
c = *bp++; bp[-1] = *bp; *bp++ = c;
}
}
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