diff options
Diffstat (limited to 'freebsd/contrib/tcpdump/cpack.h')
| -rw-r--r-- | freebsd/contrib/tcpdump/cpack.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/cpack.h b/freebsd/contrib/tcpdump/cpack.h new file mode 100644 index 00000000..74f97960 --- /dev/null +++ b/freebsd/contrib/tcpdump/cpack.h @@ -0,0 +1,54 @@ +/*- + * Copyright (c) 2003, 2004 David Young. 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. The name of David Young may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``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 DAVID + * YOUNG 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. + */ + +#ifndef _CPACK_H +#define _CPACK_H + +struct cpack_state { + u_int8_t *c_buf; + u_int8_t *c_next; + size_t c_len; +}; + +int cpack_init(struct cpack_state *, u_int8_t *, size_t); + +int cpack_uint8(struct cpack_state *, u_int8_t *); +int cpack_uint16(struct cpack_state *, u_int16_t *); +int cpack_uint32(struct cpack_state *, u_int32_t *); +int cpack_uint64(struct cpack_state *, u_int64_t *); + +u_int8_t *cpack_next_boundary(u_int8_t *buf, u_int8_t *p, size_t alignment); +u_int8_t *cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize); + +#define cpack_int8(__s, __p) cpack_uint8((__s), (u_int8_t*)(__p)) +#define cpack_int16(__s, __p) cpack_uint16((__s), (u_int16_t*)(__p)) +#define cpack_int32(__s, __p) cpack_uint32((__s), (u_int32_t*)(__p)) +#define cpack_int64(__s, __p) cpack_uint64((__s), (u_int64_t*)(__p)) + +#endif /* _CPACK_H */ |