diff options
author | polwex <polwex@sortug.com> | 2025-10-05 21:56:51 +0700 |
---|---|---|
committer | polwex <polwex@sortug.com> | 2025-10-05 21:56:51 +0700 |
commit | fcedfddf00b3f994e4f4e40332ac7fc192c63244 (patch) | |
tree | 51d38e62c7bdfcc5f9a5e9435fe820c93cfc9a3d /vere/ext/nasm/include/nasmint.h |
claude is gud
Diffstat (limited to 'vere/ext/nasm/include/nasmint.h')
-rw-r--r-- | vere/ext/nasm/include/nasmint.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/vere/ext/nasm/include/nasmint.h b/vere/ext/nasm/include/nasmint.h new file mode 100644 index 0000000..6be623b --- /dev/null +++ b/vere/ext/nasm/include/nasmint.h @@ -0,0 +1,219 @@ +/* + * nasmint.h + * + * Small ersatz subset of <inttypes.h>, deriving the types from + * <limits.h>. + * + * Important: the preprocessor may truncate numbers too large for it. + * Therefore, test the signed types only ... truncation won't generate + * a 01111111... bit pattern. + */ + +#ifndef NASM_NASMINT_H +#define NASM_NASMINT_H + +#include <limits.h> + +/*** 64-bit type: __int64, long or long long ***/ + +/* Some old versions of gcc <limits.h> omit LLONG_MAX */ +#ifndef LLONG_MAX +# ifdef __LONG_LONG_MAX__ +# define LLONG_MAX __LONG_LONG_MAX__ +# else +# define LLONG_MAX 0 /* Assume long long is unusable */ +# endif +#endif + +#ifndef _I64_MAX +# ifdef _MSC_VER +# define _I64_MAX 9223372036854775807 +# else +# define _I64_MAX 0 +# endif +#endif + +#if _I64_MAX == 9223372036854775807 + +/* Windows-based compiler: use __int64 */ +typedef signed __int64 int64_t; +typedef unsigned __int64 uint64_t; +#define _scn64 "I64" +#define _pri64 "I64" +#define INT64_C(x) x ## i64 +#define UINT64_C(x) x ## ui64 + +#elif LONG_MAX == 9223372036854775807L + +/* long is 64 bits */ +typedef signed long int64_t; +typedef unsigned long uint64_t; +#define _scn64 "l" +#define _pri64 "l" +#define INT64_C(x) x ## L +#define UINT64_C(x) x ## UL + +#elif LLONG_MAX == 9223372036854775807LL + +/* long long is 64 bits */ +typedef signed long long int64_t; +typedef unsigned long long uint64_t; +#define _scn64 "ll" +#define _pri64 "ll" +#define INT64_C(x) x ## LL +#define UINT64_C(x) x ## ULL + +#else + +#error "Neither long nor long long is 64 bits in size" + +#endif + +/*** 32-bit type: int or long ***/ + +#if INT_MAX == 2147483647 + +/* int is 32 bits */ +typedef signed int int32_t; +typedef unsigned int uint32_t; +#define _scn32 "" +#define _pri32 "" +#define INT32_C(x) x +#define UINT32_C(x) x ## U + +#elif LONG_MAX == 2147483647L + +/* long is 32 bits */ +typedef signed long int32_t; +typedef unsigned long uint32_t; +#define _scn32 "l" +#define _pri32 "l" +#define INT32_C(x) x ## L +#define UINT32_C(x) x ## UL + +#else + +#error "Neither int nor long is 32 bits in size" + +#endif + +/*** 16-bit size: int or short ***/ + +#if INT_MAX == 32767 + +/* int is 16 bits */ +typedef signed int int16_t; +typedef unsigned int uint16_t; +#define _scn16 "" +#define _pri16 "" +#define INT16_C(x) x +#define UINT16_C(x) x ## U + +#elif SHRT_MAX == 32767 + +/* short is 16 bits */ +typedef signed short int16_t; +typedef unsigned short uint16_t; +#define _scn16 "h" +#define _pri16 "" +#define INT16_C(x) x +#define UINT16_C(x) x ## U + +#else + +#error "Neither short nor int is 16 bits in size" + +#endif + +/*** 8-bit size: char ***/ + +#if SCHAR_MAX == 127 + +/* char is 8 bits */ +typedef signed char int8_t; +typedef unsigned char uint8_t; +#define _scn8 "hh" +#define _pri8 "" +#define INT8_C(x) x +#define UINT8_C(x) x ## U + +#else + +#error "char is not 8 bits in size" + +#endif + +/* The rest of this is common to all models */ + +#define PRId8 _pri8 "d" +#define PRId16 _pri16 "d" +#define PRId32 _pri32 "d" +#define PRId64 _pri64 "d" + +#define PRIi8 _pri8 "i" +#define PRIi16 _pri16 "i" +#define PRIi32 _pri32 "i" +#define PRIi64 _pri64 "i" + +#define PRIo8 _pri8 "o" +#define PRIo16 _pri16 "o" +#define PRIo32 _pri32 "o" +#define PRIo64 _pri64 "o" + +#define PRIu8 _pri8 "u" +#define PRIu16 _pri16 "u" +#define PRIu32 _pri32 "u" +#define PRIu64 _pri64 "u" + +#define PRIx8 _pri8 "x" +#define PRIx16 _pri16 "x" +#define PRIx32 _pri32 "x" +#define PRIx64 _pri64 "x" + +#define PRIX8 _pri8 "X" +#define PRIX16 _pri16 "X" +#define PRIX32 _pri32 "X" +#define PRIX64 _pri64 "X" + +#define SCNd8 _scn8 "d" +#define SCNd16 _scn16 "d" +#define SCNd32 _scn32 "d" +#define SCNd64 _scn64 "d" + +#define SCNi8 _scn8 "i" +#define SCNi16 _scn16 "i" +#define SCNi32 _scn32 "i" +#define SCNi64 _scn64 "i" + +#define SCNo8 _scn8 "o" +#define SCNo16 _scn16 "o" +#define SCNo32 _scn32 "o" +#define SCNo64 _scn64 "o" + +#define SCNu8 _scn8 "u" +#define SCNu16 _scn16 "u" +#define SCNu32 _scn32 "u" +#define SCNu64 _scn64 "u" + +#define SCNx8 _scn8 "x" +#define SCNx16 _scn16 "x" +#define SCNx32 _scn32 "x" +#define SCNx64 _scn64 "x" + +#define INT8_MIN INT8_C(-128) +#define INT8_MAX INT8_C(127) +#define UINT8_MAX UINT8_C(255) + +#define INT16_MIN INT16_C(-32768) +#define INT16_MAX INT16_C(32767) +#define UINT16_MAX UINT16_C(65535) + +#define INT32_MIN INT32_C(-2147483648) +#define INT32_MAX INT32_C(2147483647) +#define UINT32_MAX UINT32_C(4294967295) + +#define INT64_MIN INT64_C(-9223372036854775808) +#define INT64_MAX INT64_C(9223372036854775807) +#define UINT64_MAX UINT64_C(18446744073709551615) + +#endif /* NASM_NASMINT_H */ |