/*- * Copyright (c) 2002 Thomas Moestl * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. * * $FreeBSD: head/lib/libarchive/archive_endian.h 201085 2009-12-28 02:17:15Z kientzle $ * * Borrowed from FreeBSD's */ #ifndef __LIBARCHIVE_BUILD #error This header is only to be used internally to libarchive. #endif /* Note: This is a purely internal header! */ /* Do not use this outside of libarchive internal code! */ #ifndef ARCHIVE_ENDIAN_H_INCLUDED #define ARCHIVE_ENDIAN_H_INCLUDED /* * Disabling inline keyword for compilers known to choke on it: * - Watcom C++ in C code. (For any version?) * - SGI MIPSpro * - Microsoft Visual C++ 6.0 (supposedly newer versions too) */ #if defined(__WATCOMC__) || defined(__sgi) || defined(__hpux) || defined(__BORLANDC__) #define inline #elif defined(_MSC_VER) #define inline __inline #endif /* Alignment-agnostic encode/decode bytestream to/from little/big endian. */ static inline uint16_t archive_be16dec(const void *pp) { unsigned char const *p = (unsigned char const *)pp; return ((p[0] << 8) | p[1]); } static inline uint32_t archive_be32dec(const void *pp) { unsigned char const *p = (unsigned char const *)pp; return ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); } static inline uint64_t archive_be64dec(const void *pp) { unsigned char const *p = (unsigned char const *)pp; return (((uint64_t)archive_be32dec(p) << 32) | archive_be32dec(p + 4)); } static inline uint16_t archive_le16dec(const void *pp) { unsigned char const *p = (unsigned char const *)pp; return ((p[1] << 8) | p[0]); } static inline uint32_t archive_le32dec(const void *pp) { unsigned char const *p = (unsigned char const *)pp; return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]); } static inline uint64_t archive_le64dec(const void *pp) { unsigned char const *p = (unsigned char const *)pp; return (((uint64_t)archive_le32dec(p + 4) << 32) | archive_le32dec(p)); } static inline void archive_be16enc(void *pp, uint16_t u) { unsigned char *p = (unsigned char *)pp; p[0] = (u >> 8) & 0xff; p[1] = u & 0xff; } static inline void archive_be32enc(void *pp, uint32_t u) { unsigned char *p = (unsigned char *)pp; p[0] = (u >> 24) & 0xff; p[1] = (u >> 16) & 0xff; p[2] = (u >> 8) & 0xff; p[3] = u & 0xff; } static inline void archive_be64enc(void *pp, uint64_t u) { unsigned char *p = (unsigned char *)pp; archive_be32enc(p, u >> 32); archive_be32enc(p + 4, u & 0xffffffff); } static inline void archive_le16enc(void *pp, uint16_t u) { unsigned char *p = (unsigned char *)pp; p[0] = u & 0xff; p[1] = (u >> 8) & 0xff; } static inline void archive_le32enc(void *pp, uint32_t u) { unsigned char *p = (unsigned char *)pp; p[0] = u & 0xff; p[1] = (u >> 8) & 0xff; p[2] = (u >> 16) & 0xff; p[3] = (u >> 24) & 0xff; } static inline void archive_le64enc(void *pp, uint64_t u) { unsigned char *p = (unsigned char *)pp; archive_le32enc(p, u & 0xffffffff); archive_le32enc(p + 4, u >> 32); } #endif