diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/bswap.c')
-rw-r--r-- | crypto/heimdal/lib/roken/bswap.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/roken/bswap.c b/crypto/heimdal/lib/roken/bswap.c new file mode 100644 index 0000000..c57dc6f --- /dev/null +++ b/crypto/heimdal/lib/roken/bswap.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "roken.h" + +RCSID("$Id: bswap.c,v 1.3 2001/05/18 15:32:11 joda Exp $"); + +#ifndef HAVE_BSWAP32 + +unsigned int +bswap32 (unsigned int val) +{ + return (val & 0xff) << 24 | + (val & 0xff00) << 8 | + (val & 0xff0000) >> 8 | + (val & 0xff000000) >> 24; +} +#endif + +#ifndef HAVE_BSWAP16 + +unsigned short +bswap16 (unsigned short val) +{ + return (val & 0xff) << 8 | + (val & 0xff00) >> 8; +} +#endif |