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/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_TYPES_H_INCLUDED_
#define _NXT_TYPES_H_INCLUDED_
/*
* nxt_int_t corresponds to the most efficient integer type,
* an architecture word. It is usually the long type,
* but on Win64 the long is int32_t, so pointer size suits better.
* nxt_int_t must be no less than int32_t.
*/
#if (__amd64__)
/*
* AMD64 64-bit multiplication and division operations
* are slower and 64-bit instructions are longer.
*/
#define NXT_INT_T_SIZE 4
typedef int nxt_int_t;
typedef u_int nxt_uint_t;
#else
#define NXT_INT_T_SIZE NXT_PTR_SIZE
typedef intptr_t nxt_int_t;
typedef uintptr_t nxt_uint_t;
#endif
typedef nxt_uint_t nxt_bool_t;
/*
* nxt_off_t corresponds to OS's off_t, a file offset type.
* Although Linux, Solaris, and HP-UX define both off_t and off64_t,
* setting _FILE_OFFSET_BITS to 64 defines off_t as off64_t.
*/
typedef off_t nxt_off_t;
/*
* nxt_time_t corresponds to OS's time_t, time in seconds. nxt_time_t is
* a signed integer. OS's time_t may be an integer or real-floating type,
* though it is usually a signed 32-bit or 64-bit integer depending on
* platform bit count. There are however exceptions, e.g., time_t is:
* 32-bit on 64-bit NetBSD prior to 6.0 version;
* 64-bit on 32-bit NetBSD 6.0;
* 32-bit on 64-bit OpenBSD;
* 64-bit in Linux x32 ABI;
* 64-bit in 32-bit Visual Studio C++ 2005.
*/
#if (NXT_QNX)
/*
* QNX defines time_t as uint32_t.
* Y2038 fix: "typedef int64_t nxt_time_t".
*/
typedef int32_t nxt_time_t;
#else
/* Y2038, if time_t is 32-bit integer. */
typedef time_t nxt_time_t;
#endif
#if (NXT_PTR_SIZE == 8)
#define NXT_64BIT 1
#define NXT_32BIT 0
#else
#define NXT_64BIT 0
#define NXT_32BIT 1
#endif
#define NXT_INT64_T_LEN nxt_length("-9223372036854775808")
#define NXT_INT32_T_LEN nxt_length("-2147483648")
#define NXT_INT64_T_HEXLEN nxt_length("FFFFFFFFFFFFFFFF")
#define NXT_INT32_T_HEXLEN nxt_length("FFFFFFFF")
#define NXT_INT64_T_MAX 0x7FFFFFFFFFFFFFFFLL
#define NXT_INT32_T_MAX 0x7FFFFFFF
#if (NXT_INT_T_SIZE == 8)
#define NXT_INT_T_LEN NXT_INT64_T_LEN
#define NXT_INT_T_HEXLEN NXT_INT64_T_HEXLEN
#define NXT_INT_T_MAX NXT_INT64_T_MAX
#else
#define NXT_INT_T_LEN NXT_INT32_T_LEN
#define NXT_INT_T_HEXLEN NXT_INT32_T_HEXLEN
#define NXT_INT_T_MAX NXT_INT32_T_MAX
#endif
#if (NXT_64BIT)
#define NXT_ATOMIC_T_LEN NXT_INT64_T_LEN
#define NXT_ATOMIC_T_HEXLEN NXT_INT64_T_HEXLEN
#define NXT_ATOMIC_T_MAX NXT_INT64_T_MAX
#else
#define NXT_ATOMIC_T_LEN NXT_INT32_T_LEN
#define NXT_ATOMIC_T_HEXLEN NXT_INT32_T_HEXLEN
#define NXT_ATOMIC_T_MAX NXT_INT32_T_MAX
#endif
#if (NXT_OFF_T_SIZE == 8)
typedef uint64_t nxt_uoff_t;
#define NXT_OFF_T_LEN NXT_INT64_T_LEN
#define NXT_OFF_T_HEXLEN NXT_INT64_T_HEXLEN
#define NXT_OFF_T_MAX NXT_INT64_T_MAX
#else
typedef uint32_t nxt_uoff_t;
#define NXT_OFF_T_LEN NXT_INT32_T_LEN
#define NXT_OFF_T_HEXLEN NXT_INT32_T_HEXLEN
#define NXT_OFF_T_MAX NXT_INT32_T_MAX
#endif
#if (NXT_SIZE_T_SIZE == 8)
#define NXT_SIZE_T_LEN NXT_INT64_T_LEN
#define NXT_SIZE_T_HEXLEN NXT_INT64_T_HEXLEN
#define NXT_SIZE_T_MAX NXT_INT64_T_MAX
#else
#define NXT_SIZE_T_LEN NXT_INT32_T_LEN
#define NXT_SIZE_T_HEXLEN NXT_INT32_T_HEXLEN
#define NXT_SIZE_T_MAX NXT_INT32_T_MAX
#endif
#if (NXT_TIME_T_SIZE == 8)
#define NXT_TIME_T_LEN NXT_INT64_T_LEN
#define NXT_TIME_T_HEXLEN NXT_INT64_T_HEXLEN
#define NXT_TIME_T_MAX NXT_INT64_T_MAX
#else
#define NXT_TIME_T_LEN NXT_INT32_T_LEN
#define NXT_TIME_T_HEXLEN NXT_INT32_T_HEXLEN
#define NXT_TIME_T_MAX NXT_INT32_T_MAX
#endif
#endif /* _NXT_TYPES_H_INCLUDED_ */
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