diff options
Diffstat (limited to 'exfat/libexfat/byteorder.h')
| -rw-r--r-- | exfat/libexfat/byteorder.h | 86 |
1 files changed, 22 insertions, 64 deletions
diff --git a/exfat/libexfat/byteorder.h b/exfat/libexfat/byteorder.h index 10746e1ef..472cb487c 100644 --- a/exfat/libexfat/byteorder.h +++ b/exfat/libexfat/byteorder.h @@ -3,7 +3,7 @@ Endianness stuff. exFAT uses little-endian byte order. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -23,68 +23,16 @@ #ifndef BYTEORDER_H_INCLUDED #define BYTEORDER_H_INCLUDED -#define __GLIBC__ +#include "platform.h" #include <stdint.h> - -#if defined(__GLIBC__) - -#include <endian.h> -#include <byteswap.h> - -#elif defined(__APPLE__) - -#include <machine/endian.h> -#include <libkern/OSByteOrder.h> -#define bswap_16(x) OSSwapInt16(x) -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) -#define __BYTE_ORDER BYTE_ORDER -#define __LITTLE_ENDIAN LITTLE_ENDIAN -#define __BIG_ENDIAN BIG_ENDIAN - -#elif defined(__FreeBSD__) || defined(__DragonFlyBSD__) || defined(__NetBSD__) - -#include <sys/endian.h> -#define bswap_16(x) bswap16(x) -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) -#define __BYTE_ORDER _BYTE_ORDER -#define __LITTLE_ENDIAN _LITTLE_ENDIAN -#define __BIG_ENDIAN _BIG_ENDIAN - -#elif defined(__OpenBSD__) - -#include <machine/endian.h> -#define bswap_16(x) swap16(x) -#define bswap_32(x) swap32(x) -#define bswap_64(x) swap64(x) -#define __BYTE_ORDER _BYTE_ORDER -#define __LITTLE_ENDIAN _LITTLE_ENDIAN -#define __BIG_ENDIAN _BIG_ENDIAN - -#elif defined(__sun) - -#include <sys/byteorder.h> -#define bswap_16(x) BSWAP_16(x) -#define bswap_32(x) BSWAP_32(x) -#define bswap_64(x) BSWAP_64(x) -#define __LITTLE_ENDIAN 1234 -#define __BIG_ENDIAN 4321 -#ifdef _LITTLE_ENDIAN -#define __BYTE_ORDER __LITTLE_ENDIAN -#else -#define __BYTE_ORDER __BIG_ENDIAN -#endif - -#else -#error No byte order macros available for your platform -#endif +#include <stddef.h> typedef struct { uint16_t __u16; } le16_t; typedef struct { uint32_t __u32; } le32_t; typedef struct { uint64_t __u64; } le64_t; -#if __BYTE_ORDER == __LITTLE_ENDIAN +#if EXFAT_BYTE_ORDER == EXFAT_LITTLE_ENDIAN + static inline uint16_t le16_to_cpu(le16_t v) { return v.__u16; } static inline uint32_t le32_to_cpu(le32_t v) { return v.__u32; } static inline uint64_t le64_to_cpu(le64_t v) { return v.__u64; } @@ -92,17 +40,27 @@ static inline uint64_t le64_to_cpu(le64_t v) { return v.__u64; } static inline le16_t cpu_to_le16(uint16_t v) { le16_t t = {v}; return t; } static inline le32_t cpu_to_le32(uint32_t v) { le32_t t = {v}; return t; } static inline le64_t cpu_to_le64(uint64_t v) { le64_t t = {v}; return t; } -#elif __BYTE_ORDER == __BIG_ENDIAN -static inline uint16_t le16_to_cpu(le16_t v) { return bswap_16(v.__u16); } -static inline uint32_t le32_to_cpu(le32_t v) { return bswap_32(v.__u32); } -static inline uint64_t le64_to_cpu(le64_t v) { return bswap_64(v.__u64); } + +typedef size_t bitmap_t; + +#elif EXFAT_BYTE_ORDER == EXFAT_BIG_ENDIAN + +static inline uint16_t le16_to_cpu(le16_t v) + { return exfat_bswap16(v.__u16); } +static inline uint32_t le32_to_cpu(le32_t v) + { return exfat_bswap32(v.__u32); } +static inline uint64_t le64_to_cpu(le64_t v) + { return exfat_bswap64(v.__u64); } static inline le16_t cpu_to_le16(uint16_t v) - { le16_t t = {bswap_16(v)}; return t; } + { le16_t t = {exfat_bswap16(v)}; return t; } static inline le32_t cpu_to_le32(uint32_t v) - { le32_t t = {bswap_32(v)}; return t; } + { le32_t t = {exfat_bswap32(v)}; return t; } static inline le64_t cpu_to_le64(uint64_t v) - { le64_t t = {bswap_64(v)}; return t; } + { le64_t t = {exfat_bswap64(v)}; return t; } + +typedef unsigned char bitmap_t; + #else #error Wow! You have a PDP machine?! #endif |