/****************************************************************
*
*  stdint.h - integer types
*
*  September 2017
*  Stephen Heumann
*
****************************************************************/

/*
 * Note: This header mostly complies with the C99 and C11 standards,
 * except that 64-bit types are not provided because ORCA/C does not
 * support them.  See comments below for further details.
 */

#ifndef __stdint__
#define __stdint__

/* Exact-width integer types */
typedef signed char     int8_t;
typedef short           int16_t;
typedef long            int32_t;

typedef unsigned char   uint8_t;
typedef unsigned short  uint16_t;
typedef unsigned long   uint32_t;

/* Minimum-width integer types */
typedef signed char     int_least8_t;
typedef short           int_least16_t;
typedef long            int_least32_t;

typedef unsigned char   uint_least8_t;
typedef unsigned short  uint_least16_t;
typedef unsigned long   uint_least32_t;

/* Fastest minimum-width integer types */
typedef short           int_fast8_t;    /* Note: 16-bit type */
typedef short           int_fast16_t;
typedef long            int_fast32_t;

typedef unsigned short  uint_fast8_t;   /* Note: 16-bit type */
typedef unsigned short  uint_fast16_t;
typedef unsigned long   uint_fast32_t;

/* Integer types capable of holding object pointers */
typedef long            intptr_t;
typedef unsigned long   uintptr_t;

/* Greatest-width integer types */
/* 
 * Note: In C99 and C11, these are required to be at least 64 bits.
 * Since ORCA/C does not currently support 64-bit integer types,
 * they are currently defined as 32-bit types instead.
 */
typedef long            intmax_t;
typedef unsigned long   uintmax_t;

/* Limits of exact-width integer types */
#define INT8_MIN        (-128)
#define INT16_MIN       (-32767-1)
#define INT32_MIN       (-2147483647-1)

#define INT8_MAX        127
#define INT16_MAX       32767
#define INT32_MAX       2147483647

#define UINT8_MAX       255
#define UINT16_MAX      65535u
#define UINT32_MAX      4294967295u

/* Limits of minimum-width integer types */
#define INT_LEAST8_MIN  (-128)
#define INT_LEAST16_MIN (-32767-1)
#define INT_LEAST32_MIN (-2147483647-1)

#define INT_LEAST8_MAX  127
#define INT_LEAST16_MAX 32767
#define INT_LEAST32_MAX 2147483647

#define UINT_LEAST8_MAX  255
#define UINT_LEAST16_MAX 65535u
#define UINT_LEAST32_MAX 4294967295u

/* Limits of fastest minimum-width integer types */
#define INT_FAST8_MIN   (-32767-1)
#define INT_FAST16_MIN  (-32767-1)
#define INT_FAST32_MIN  (-2147483647-1)

#define INT_FAST8_MAX   32767
#define INT_FAST16_MAX  32767
#define INT_FAST32_MAX  2147483647

#define UINT_FAST8_MAX  65535u
#define UINT_FAST16_MAX 65535u
#define UINT_FAST32_MAX 4294967295u

/* Limits of integer types capable of holding object pointers */
#define INTPTR_MIN      (-2147483647-1)
#define INTPTR_MAX      2147483647
#define UINTPTR_MAX     4294967295u

/* Limits of greatest-width integer types */
/* Note: These limits are smaller than C99 and C11 require. */
#define INTMAX_MIN      (-2147483647-1)
#define INTMAX_MAX      2147483647
#define UINTMAX_MAX     4294967295u

/* Limits of other integer types */
#define PTRDIFF_MIN     (-2147483647-1)
#define PTRDIFF_MAX     2147483647

#define SIG_ATOMIC_MIN  (-32767-1)
#define SIG_ATOMIC_MAX  32767

#define SIZE_MAX        4294967295u

#ifndef WCHAR_MIN
#define WCHAR_MIN       0u
#endif
#ifndef WCHAR_MAX
#define WCHAR_MAX       65535u
#endif

/* WINT_MIN and WINT_MAX are not defined because wint_t is not defined. */

/* Macros for minimum-width integer constants */
#define INT8_C(val)     (val)
#define INT16_C(val)    (val)
#define INT32_C(val)    (val ## L)

#define UINT8_C(val)    (val)
#define UINT16_C(val)   (val ## U)
#define UINT32_C(val)   (val ## UL)

/* Macros for greatest-width integer constants */
/* Note: These use 32-bit types, consistent with intmax_t and uintmax_t. */
#define INTMAX_C(val)   (val ## L)
#define UINTMAX_C(val)  (val ## UL)

#endif