Diffstat (limited to 'noncore/net/wellenreiter/daemon/source/extract.hh') (more/less context) (show whitespace changes)
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diff --git a/noncore/net/wellenreiter/daemon/source/extract.hh b/noncore/net/wellenreiter/daemon/source/extract.hh new file mode 100644 index 0000000..21dcffa --- a/dev/null +++ b/noncore/net/wellenreiter/daemon/source/extract.hh @@ -0,0 +1,60 @@ +/* $Id */ +/* + * Copyright (c) 1992, 1993, 1994, 1995, 1996 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ +/* Network to host order macros */ + +#ifndef EXTRACT_HH +#define EXTRACT_HH + +#ifdef LBL_ALIGN +#define EXTRACT_16BITS(p) \ + ((u_int16_t)((u_int16_t)*((const u_int8_t *)(p) + 0) << 8 | \ + (u_int16_t)*((const u_int8_t *)(p) + 1))) +#define EXTRACT_32BITS(p) \ + ((u_int32_t)((u_int32_t)*((const u_int8_t *)(p) + 0) << 24 | \ + (u_int32_t)*((const u_int8_t *)(p) + 1) << 16 | \ + (u_int32_t)*((const u_int8_t *)(p) + 2) << 8 | \ + (u_int32_t)*((const u_int8_t *)(p) + 3))) +#else +#define EXTRACT_16BITS(p) \ + ((u_int16_t)ntohs(*(const u_int16_t *)(p))) +#define EXTRACT_32BITS(p) \ + ((u_int32_t)ntohl(*(const u_int32_t *)(p))) +#endif + +#define EXTRACT_24BITS(p) \ + ((u_int32_t)((u_int32_t)*((const u_int8_t *)(p) + 0) << 16 | \ + (u_int32_t)*((const u_int8_t *)(p) + 1) << 8 | \ + (u_int32_t)*((const u_int8_t *)(p) + 2))) + +/* Little endian protocol host order macros */ + +#define EXTRACT_LE_8BITS(p) (*(p)) +#define EXTRACT_LE_16BITS(p) \ + ((u_int16_t)((u_int16_t)*((const u_int8_t *)(p) + 1) << 8 | \ + (u_int16_t)*((const u_int8_t *)(p) + 0))) +#define EXTRACT_LE_32BITS(p) \ + ((u_int32_t)((u_int32_t)*((const u_int8_t *)(p) + 3) << 24 | \ + (u_int32_t)*((const u_int8_t *)(p) + 2) << 16 | \ + (u_int32_t)*((const u_int8_t *)(p) + 1) << 8 | \ + (u_int32_t)*((const u_int8_t *)(p) + 0))) + +#endif /* EXTRACT_HH */ |