diff options
Diffstat (limited to 'src/H5private.h')
| -rw-r--r-- | src/H5private.h | 219 |
1 files changed, 142 insertions, 77 deletions
diff --git a/src/H5private.h b/src/H5private.h index f9e16f4..87d973a 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -196,94 +196,159 @@ #endif /* + * Although `long long' is part of the revised ANSI-C some compilers don't + * support it yet. We define `long_long' as the longest integral integer type + * supported by the compiler, usually 64 bits. It must be legal to qualify + * `long_long' with `unsigned'. + */ +#if SIZEOF_LONG_LONG>0 +# define long_long long long +#elif SIZEOF___INT64>0 +# define long_long __int64 /*Win32*/ +# undef SIZEOF_LONG_LONG +# define SIZEOF_LONG_LONG SIZEOF___INT64 +#else +# define long_long long int +# undef SIZEOF_LONG_LONG +# define SIZEOF_LONG_LONG SIZEOF_LONG +#endif + +/* * Numeric data types. Some of these might be defined in Posix.1g, otherwise * we define them with the closest available type which is at least as large - * as the number of bits indicated in the type name. + * as the number of bits indicated in the type name. The `int8' types *must* + * be exactly one byte wide because we use it for pointer calculations to + * void* memory. + * + * For int16_t and uint16_t we use `short' only if it's exactly 2 bytes. + * Otherwise we use `int' because it's probably faster. */ #if SIZEOF_INT8_T==0 -typedef signed char int8_t; + typedef signed char int8_t; +# undef SIZEOF_INT8_T +# define SIZEOF_INT8_T SIZEOF_CHAR +#elif SIZEOF_INT8_T==1 +#else +# error "the int8_t type must be 1 byte wide" #endif #if SIZEOF_UINT8_T==0 -typedef unsigned char uint8_t; -#endif - -#if SIZEOF_INT16_T==0 -# if SIZEOF_SHORT==2 -typedef short int16_t; -# else -typedef int int16_t; /*not really */ -# endif -#endif - -#if SIZEOF_UINT16_T==0 -# if SIZEOF_SHORT==2 -typedef unsigned short uint16_t; -# else -typedef unsigned uint16_t; /*not really */ -# endif -#endif - -#if SIZEOF_INT32_T==0 -# if SIZEOF_INT==4 -typedef int int32_t; -# elif SIZEOF_LONG==4 -typedef long int32_t; -# else -typedef int int32_t; /*not really */ -# endif -#endif - -#if SIZEOF_UINT32_T==0 -# if SIZEOF_INT==4 -typedef unsigned int uint32_t; -# elif SIZEOF_LONG==4 -typedef unsigned long uint32_t; -# else -typedef unsigned uint32_t; /*not really */ -# endif -#endif - -#if SIZEOF_INT64_T==0 -# if SIZEOF_INT==8 -typedef int int64_t; -# elif SIZEOF_LONG==8 -typedef long int64_t; -# elif SIZEOF_LONG_LONG==8 -typedef long long int64_t; -# elif SIZEOF___INT64==8 -typedef __int64 int64_t; -# else -# error "no signed 64-bit integer type" -# endif -#endif - -#if SIZEOF_UINT64_T==0 -# if SIZEOF_INT==8 -typedef unsigned uint64_t; -# elif SIZEOF_LONG==8 -typedef unsigned long uint64_t; -# elif SIZEOF_LONG_LONG==8 -typedef unsigned long long uint64_t; -# elif SIZEOF___INT64==8 -typedef unsigned __int64 uint64_t; -# else -# error "no unsigned 64-bit integer type" -# endif -#endif - -#if SIZEOF_FLOAT==4 + typedef unsigned char uint8_t; +# undef SIZEOF_UINT8_T +# define SIZEOF_UINT8_T SIZEOF_CHAR +#elif SIZEOF_UINT8_T==1 +#else +# error "the uint8_t type must be 1 byte wide" +#endif + +#if SIZEOF_INT16_T>=2 +#elif SIZEOF_SHORT==2 + typedef short int16_t +# undef SIZEOF_INT16_T +# define SIZEOF_INT16_T SIZEOF_SHORT +#elif SIZEOF_INT>=2 + typedef int int16_t +# undef SIZEOF_INT16_T +# define SIZEOF_INT16_T SIZEOF_INT +#else +# error "nothing appropriate for int16_t" +#endif + +#if SIZEOF_UINT16_T>=2 +#elif SIZEOF_SHORT>=2 + typedef unsigned short uint16_t; +# undef SIZEOF_UINT16_T +# define SIZEOF_UINT16_T SIZEOF_SHORT +#elif SIZEOF_INT>=2 + typedef unsigned uint16_t; +# undef SIZEOF_UINT16_T +# define SIZEOF_UINT16_T SIZEOF_INT +#else +# error "nothing appropriate for uint16_t" +#endif + +#if SIZEOF_INT32_T>=4 +#elif SIZEOF_SHORT>=4 + typedef short int32_t +# undef SIZEOF_INT32_T +# define SIZEOF_INT32_T SIZEOF_SHORT +#elif SIZEOF_INT>=4 + typedef int int32_t; +# undef SIZEOF_INT32_T +# define SIZEOF_INT32_T SIZEOF_INT +#elif SIZEOF_LONG>=4 + typedef long int32_t; +# undef SIZEOF_INT32_T +# define SIZEOF_INT32_T SIZEOF_LONG +#else +# error "nothing appropriate for int32_t" +#endif + +#if SIZEOF_UINT32_T>=4 +#elif SIZEOF_SHORT>=4 + typedef short uint32_t; +# undef SIZEOF_UINT32_T +# define SIZEOF_UINT32_T SIZEOF_SHORT +#elif SIZEOF_INT>=4 + typedef unsigned int uint32_t; +# undef SIZEOF_UINT32_T +# define SIZEOF_UINT32_T SIZEOF_INT +#elif SIZEOF_LONG>=4 + typedef unsigned long uint32_t; +# undef SIZEOF_UINT32_T +# define SIZEOF_UINT32_T SIZEOF_LONG +#else +# error "nothing appropriate for uint32_t" +#endif + +#if SIZEOF_INT64_T>=8 +#elif SIZEOF_INT>=8 + typedef int int64_t; +# undef SIZEOF_INT64_T +# define SIZEOF_INT64_T SIZEOF_INT +#elif SIZEOF_LONG>=8 + typedef long int64_t; +# undef SIZEOF_INT64_T +# define SIZEOF_INT64_T SIZEOF_LONG +#elif SIZEOF_LONG_LONG>=8 + typedef long_long int64_t; +# undef SIZEOF_INT64_T +# define SIZEOF_INT64_T SIZEOF_LONG_LONG +#else +# error "nothing appropriate for int64_t" +#endif + +#if SIZEOF_UINT64_T>=8 +#elif SIZEOF_INT>=8 + typedef unsigned uint64_t; +# undef SIZEOF_UINT64_T +# define SIZEOF_UINT64_T SIZEOF_INT +#elif SIZEOF_LONG>=8 + typedef unsigned long uint64_t; +# undef SIZEOF_UINT64_T +# define SIZEOF_UINT64_T SIZEOF_LONG +#elif SIZEOF_LONG_LONG>=8 + typedef unsigned long_long uint64_t; +# undef SIZEOF_UINT64_T +# define SIZEOF_UINT64_T SIZEOF_LONG_LONG +#else +# error "nothing appropriate for uint64_t" +#endif + +#if SIZEOF_FLOAT>=4 typedef float float32; +#elif SIZEOF_DOUBLE>=4 +typedef double float32; #else -typedef float float32; /*not really */ +# error "nothing appropriate for float32" #endif -#if SIZEOF_FLOAT==8 +#if SIZEOF_FLOAT>=8 typedef float float64; -#elif SIZEOF_DOUBLE==8 +#elif SIZEOF_DOUBLE>=8 typedef double float64; #else -# error "no 64-bit floating point type" +# error "nothing appropriate for float64" #endif /* @@ -307,9 +372,9 @@ typedef struct { * most part. */ #ifndef LLONG_MAX -# define LLONG_MAX ((long long)(((unsigned long long)1 \ - <<(8*sizeof(long long)-1))-1)) -# define ULLONG_MAX ((unsigned long long)((long long)(-1))) +# define LLONG_MAX ((long_long)(((unsigned long_long)1 \ + <<(8*sizeof(long_long)-1))-1)) +# define ULLONG_MAX ((unsigned long_long)((long_long)(-1))) #endif #ifndef SIZET_MAX # define SIZET_MAX ((hsize_t)(size_t)(ssize_t)(-1)) |