diff options
Diffstat (limited to 'handy.h')
| -rw-r--r-- | handy.h | 28 |
1 files changed, 28 insertions, 0 deletions
@@ -105,6 +105,31 @@ Andy Dougherty April 1998 */ +#ifdef I_INTTYPES + +typedef int8_t I8; +typedef uint8_t U8; +/* I8_MAX and I8_MIN constants are not defined, as I8 is an ambiguous type. + Please search CHAR_MAX in perl.h for further details. */ +#define U8_MAX UINT8_MAX +#define U8_MIN UINT8_MIN + +typedef int16_t I16; +typedef uint16_t U16; +#define I16_MAX INT16_MAX +#define I16_MIN INT16_MIN +#define U16_MAX UINT16_MAX +#define U16_MIN UINT16_MIN + +typedef int32_t I32; +typedef uint32_t U32; +#define I32_MAX INT32_MAX +#define I32_MIN INT32_MIN +#define U32_MAX UINT32_MAX +#define U32_MIN UINT32_MIN + +#else + typedef char I8; typedef unsigned char U8; /* I8_MAX and I8_MIN constants are not defined, as I8 is an ambiguous type. @@ -112,6 +137,7 @@ typedef unsigned char U8; #define U8_MAX PERL_UCHAR_MAX #define U8_MIN PERL_UCHAR_MIN +/* Beware. SHORTSIZE > 2 in Cray C90ties. */ typedef short I16; typedef unsigned short U16; #define I16_MAX PERL_SHORT_MAX @@ -135,6 +161,8 @@ typedef unsigned short U16; # define U32_MIN PERL_ULONG_MIN #endif +#endif + #define BIT_DIGITS(N) (((N)*146)/485 + 1) /* log2(10) =~ 146/485 */ #define TYPE_DIGITS(T) BIT_DIGITS(sizeof(T) * 8) #define TYPE_CHARS(T) (TYPE_DIGITS(T) + 2) /* sign, NUL */ |