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29 | 29 | extern "C" { |
30 | 30 | #endif |
31 | 31 |
|
32 | | -#define _BYTE_STREAM_HOST_IS_ENDIAN_BIG ( *((uint32_t *) "\x01\x02\x03\x04" ) == 0x01020304 ) |
33 | | -#define _BYTE_STREAM_HOST_IS_ENDIAN_LITTLE ( *((uint32_t *) "\x01\x02\x03\x04" ) == 0x04030201 ) |
34 | | -#define _BYTE_STREAM_HOST_IS_ENDIAN_MIDDLE ( *((uint32_t *) "\x01\x02\x03\x04" ) == 0x02010403 ) |
| 32 | +#define _BYTE_STREAM_ENDIAN_BIG 'b' |
| 33 | +#define _BYTE_STREAM_ENDIAN_LITTLE 'l' |
| 34 | +#define _BYTE_STREAM_ENDIAN_MIDDLE 'm' |
35 | 35 |
|
36 | | -#define _BYTE_STREAM_ENDIAN_BIG (uint8_t) 'b' |
37 | | -#define _BYTE_STREAM_ENDIAN_LITTLE (uint8_t) 'l' |
38 | | -#define _BYTE_STREAM_ENDIAN_MIDDLE (uint8_t) 'm' |
| 36 | +#undef _BYTE_STREAM_HOST_BYTE_ORDER |
| 37 | + |
| 38 | +#if defined( __BYTE_ORDER__ ) && defined( __ORDER_LITTLE_ENDIAN__ ) && defined( __ORDER_BIG_ENDIAN__ ) && defined( __ORDER_PDP_ENDIAN__ ) |
| 39 | +#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| 40 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_BIG |
| 41 | + |
| 42 | +#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| 43 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_LITTLE |
| 44 | + |
| 45 | +#elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__ |
| 46 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_MIDDLE |
| 47 | +#endif |
| 48 | + |
| 49 | +#elif defined( __linux__ ) || defined( __GLIBC__ ) |
| 50 | +#include <endian.h> |
| 51 | + |
| 52 | +#if defined( __BYTE_ORDER ) && defined( __LITTLE_ENDIAN ) && defined( __BIG_ENDIAN ) && defined( __PDP_ENDIAN ) |
| 53 | +#if __BYTE_ORDER == __BIG_ENDIAN |
| 54 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_BIG |
| 55 | + |
| 56 | +#elif __BYTE_ORDER == __LITTLE_ENDIAN |
| 57 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_LITTLE |
| 58 | + |
| 59 | +#elif __BYTE_ORDER == __PDP_ENDIAN |
| 60 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_MIDDLE |
| 61 | + |
| 62 | +#endif |
| 63 | +#endif |
| 64 | + |
| 65 | +#elif defined( __APPLE__ ) || defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ ) |
| 66 | +#include <machine/endian.h> |
| 67 | + |
| 68 | +#if defined( BYTE_ORDER ) && defined( LITTLE_ENDIAN ) && defined( BIG_ENDIAN ) |
| 69 | +#if BYTE_ORDER == BIG_ENDIAN |
| 70 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_BIG |
| 71 | + |
| 72 | +#elif BYTE_ORDER == LITTLE_ENDIAN |
| 73 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_LITTLE |
| 74 | + |
| 75 | +#endif |
| 76 | +#endif |
| 77 | + |
| 78 | +#elif defined( _MSC_VER ) || defined( _WIN32 ) |
| 79 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_LITTLE |
| 80 | + |
| 81 | +#elif defined( __hppa__ ) || defined( __m68k__ ) || defined( __mips__ ) || defined( __powerpc__ ) || defined( __sparc__ ) |
| 82 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_BIG |
| 83 | + |
| 84 | +#elif defined( __i386__ ) || defined( __x86_64__ ) || defined( __arm__ ) || defined( __aarch64__ ) |
| 85 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_LITTLE |
| 86 | + |
| 87 | +#elif defined( __pdp11__ ) |
| 88 | +#define _BYTE_STREAM_HOST_BYTE_ORDER _BYTE_STREAM_ENDIAN_MIDDLE |
| 89 | +#endif |
| 90 | + |
| 91 | +#if !defined( _BYTE_STREAM_HOST_BYTE_ORDER ) |
| 92 | +#error "Unable to determine host byte-order" |
| 93 | +#endif |
39 | 94 |
|
40 | 95 | typedef union byte_stream_float32 |
41 | 96 | { |
|
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