diff options
Diffstat (limited to 'include/salticidae/endian.h')
| -rw-r--r-- | include/salticidae/endian.h | 134 |
1 files changed, 110 insertions, 24 deletions
diff --git a/include/salticidae/endian.h b/include/salticidae/endian.h index 06a0663..cfbdaff 100644 --- a/include/salticidae/endian.h +++ b/include/salticidae/endian.h @@ -1,33 +1,119 @@ -#ifndef __FINK_ENDIANDEV_PKG_ENDIAN_H__ -#define __FINK_ENDIANDEV_PKG_ENDIAN_H__ 1 +// Ted: this file is downloaded from https://gist.github.com/panzi/6856583 +// "License": Public Domain +// I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like. +// In case there are jurisdictions that don't support putting things in the public domain you can also consider it to +// be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it +// an example on how to get the endian conversion functions on different platforms. -/** compatibility header for endian.h - * This is a simple compatibility shim to convert - * BSD/Linux endian macros to the Mac OS X equivalents. - * It is public domain. - * */ +#ifndef PORTABLE_ENDIAN_H__ +#define PORTABLE_ENDIAN_H__ -#ifndef __APPLE__ - #warning "This header file (endian.h) is MacOS X specific.\n" -#endif /* __APPLE__ */ +#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__) +# define __WINDOWS__ -#include <libkern/OSByteOrder.h> +#endif -#define htobe16(x) OSSwapHostToBigInt16(x) -#define htole16(x) OSSwapHostToLittleInt16(x) -#define be16toh(x) OSSwapBigToHostInt16(x) -#define le16toh(x) OSSwapLittleToHostInt16(x) +#if defined(__linux__) || defined(__CYGWIN__) -#define htobe32(x) OSSwapHostToBigInt32(x) -#define htole32(x) OSSwapHostToLittleInt32(x) -#define be32toh(x) OSSwapBigToHostInt32(x) -#define le32toh(x) OSSwapLittleToHostInt32(x) +# include <endian.h> -#define htobe64(x) OSSwapHostToBigInt64(x) -#define htole64(x) OSSwapHostToLittleInt64(x) -#define be64toh(x) OSSwapBigToHostInt64(x) -#define le64toh(x) OSSwapLittleToHostInt64(x) +#elif defined(__APPLE__) +# include <libkern/OSByteOrder.h> -#endif /* __FINK_ENDIANDEV_PKG_ENDIAN_H__ */ +# define htobe16(x) OSSwapHostToBigInt16(x) +# define htole16(x) OSSwapHostToLittleInt16(x) +# define be16toh(x) OSSwapBigToHostInt16(x) +# define le16toh(x) OSSwapLittleToHostInt16(x) + +# define htobe32(x) OSSwapHostToBigInt32(x) +# define htole32(x) OSSwapHostToLittleInt32(x) +# define be32toh(x) OSSwapBigToHostInt32(x) +# define le32toh(x) OSSwapLittleToHostInt32(x) + +# define htobe64(x) OSSwapHostToBigInt64(x) +# define htole64(x) OSSwapHostToLittleInt64(x) +# define be64toh(x) OSSwapBigToHostInt64(x) +# define le64toh(x) OSSwapLittleToHostInt64(x) + +# define __BYTE_ORDER BYTE_ORDER +# define __BIG_ENDIAN BIG_ENDIAN +# define __LITTLE_ENDIAN LITTLE_ENDIAN +# define __PDP_ENDIAN PDP_ENDIAN + +#elif defined(__OpenBSD__) + +# include <sys/endian.h> + +#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) + +# include <sys/endian.h> + +# define be16toh(x) betoh16(x) +# define le16toh(x) letoh16(x) + +# define be32toh(x) betoh32(x) +# define le32toh(x) letoh32(x) + +# define be64toh(x) betoh64(x) +# define le64toh(x) letoh64(x) + +#elif defined(__WINDOWS__) + +# include <winsock2.h> +# include <sys/param.h> + +# if BYTE_ORDER == LITTLE_ENDIAN + +# define htobe16(x) htons(x) +# define htole16(x) (x) +# define be16toh(x) ntohs(x) +# define le16toh(x) (x) + +# define htobe32(x) htonl(x) +# define htole32(x) (x) +# define be32toh(x) ntohl(x) +# define le32toh(x) (x) + +# define htobe64(x) htonll(x) +# define htole64(x) (x) +# define be64toh(x) ntohll(x) +# define le64toh(x) (x) + +# elif BYTE_ORDER == BIG_ENDIAN + + /* that would be xbox 360 */ +# define htobe16(x) (x) +# define htole16(x) __builtin_bswap16(x) +# define be16toh(x) (x) +# define le16toh(x) __builtin_bswap16(x) + +# define htobe32(x) (x) +# define htole32(x) __builtin_bswap32(x) +# define be32toh(x) (x) +# define le32toh(x) __builtin_bswap32(x) + +# define htobe64(x) (x) +# define htole64(x) __builtin_bswap64(x) +# define be64toh(x) (x) +# define le64toh(x) __builtin_bswap64(x) + +# else + +# error byte order not supported + +# endif + +# define __BYTE_ORDER BYTE_ORDER +# define __BIG_ENDIAN BIG_ENDIAN +# define __LITTLE_ENDIAN LITTLE_ENDIAN +# define __PDP_ENDIAN PDP_ENDIAN + +#else + +# error platform not supported + +#endif + +#endif |