- /* Copyright (c) 2003, Roger Dingledine
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2009, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- /**
- * file torint.h
- * brief Header file to define uint32_t and friends
- **/
- #ifndef _TOR_TORINT_H
- #define _TOR_TORINT_H
- #include "orconfig.h"
- #ifdef HAVE_STDINT_H
- #include <stdint.h>
- #endif
- #ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_LIMITS_H
- #include <limits.h>
- #endif
- #ifdef HAVE_SYS_LIMITS_H
- #include <sys/limits.h>
- #endif
- #ifdef HAVE_MACHINE_LIMITS_H
- #if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
- /* FreeBSD has a bug where it complains that this file is obsolete,
- and I should migrate to using sys/limits. It complains even when
- I include both.
- __FreeBSD_kernel__ is defined by Debian GNU/kFreeBSD which
- does the same thing (but doesn't defined __FreeBSD__).
- */
- #include <machine/limits.h>
- #endif
- #endif
- #ifdef HAVE_INTTYPES_H
- #include <inttypes.h>
- #endif
- #if (SIZEOF_INT8_T != 0)
- #define HAVE_INT8_T
- #endif
- #if (SIZEOF_INT16_T != 0)
- #define HAVE_INT16_T
- #endif
- #if (SIZEOF_INT32_T != 0)
- #define HAVE_INT32_T
- #endif
- #if (SIZEOF_INT64_T != 0)
- #define HAVE_INT64_T
- #endif
- #if (SIZEOF_UINT8_T != 0)
- #define HAVE_UINT8_T
- #endif
- #if (SIZEOF_UINT16_T != 0)
- #define HAVE_UINT16_T
- #endif
- #if (SIZEOF_UINT32_T != 0)
- #define HAVE_UINT32_T
- #endif
- #if (SIZEOF_UINT64_T != 0)
- #define HAVE_UINT64_T
- #endif
- #if (SIZEOF_INTPTR_T != 0)
- #define HAVE_INTPTR_T
- #endif
- #if (SIZEOF_UINTPTR_T != 0)
- #define HAVE_UINTPTR_T
- #endif
- #if (SIZEOF_CHAR == 1)
- #ifndef HAVE_INT8_T
- typedef signed char int8_t;
- #define HAVE_INT8_T
- #endif
- #ifndef HAVE_UINT8_T
- typedef unsigned char uint8_t;
- #define HAVE_UINT8_T
- #endif
- #endif
- #if (SIZEOF_SHORT == 2)
- #ifndef HAVE_INT16_T
- typedef signed short int16_t;
- #define HAVE_INT16_T
- #endif
- #ifndef HAVE_UINT16_T
- typedef unsigned short uint16_t;
- #define HAVE_UINT16_T
- #endif
- #endif
- #if (SIZEOF_INT == 2)
- #ifndef HAVE_INT16_T
- typedef signed int int16_t;
- #define HAVE_INT16_T
- #endif
- #ifndef HAVE_UINT16_T
- typedef unsigned int uint16_t;
- #define HAVE_UINT16_T
- #endif
- #elif (SIZEOF_INT == 4)
- #ifndef HAVE_INT32_T
- typedef signed int int32_t;
- #define HAVE_INT32_T
- #endif
- #ifndef HAVE_UINT32_T
- typedef unsigned int uint32_t;
- #define HAVE_UINT32_T
- #endif
- #ifndef UINT32_MAX
- #define UINT32_MAX 0xffffffffu
- #endif
- #ifndef INT32_MAX
- #define INT32_MAX 0x7fffffffu
- #endif
- #endif
- #ifndef INT32_MIN
- #define INT32_MIN (-2147483647-1)
- #endif
- #if (SIZEOF_LONG == 4)
- #ifndef HAVE_INT32_T
- typedef signed long int32_t;
- #define HAVE_INT32_T
- #endif
- #ifndef HAVE_UINT32_T
- typedef unsigned long uint32_t;
- #define HAVE_UINT32_T
- #ifndef UINT32_MAX
- #define UINT32_MAX 0xfffffffful
- #endif
- #endif
- #elif (SIZEOF_LONG == 8)
- #ifndef HAVE_INT64_T
- typedef signed long int64_t;
- #define HAVE_INT64_T
- #endif
- #ifndef HAVE_UINT32_T
- typedef unsigned long uint64_t;
- #define HAVE_UINT32_T
- #endif
- #ifndef UINT64_MAX
- #define UINT64_MAX 0xfffffffffffffffful
- #endif
- #endif
- #if (SIZEOF_LONG_LONG == 8)
- #ifndef HAVE_INT64_T
- typedef signed long long int64_t;
- #define HAVE_INT64_T
- #endif
- #ifndef HAVE_UINT64_T
- typedef unsigned long long uint64_t;
- #define HAVE_UINT64_T
- #endif
- #ifndef UINT64_MAX
- #define UINT64_MAX 0xffffffffffffffffull
- #endif
- #ifndef INT64_MAX
- #define INT64_MAX 0x7fffffffffffffffll
- #endif
- #endif
- #if (SIZEOF___INT64 == 8)
- #ifndef HAVE_INT64_T
- typedef signed __int64 int64_t;
- #define HAVE_INT64_T
- #endif
- #ifndef HAVE_UINT64_T
- typedef unsigned __int64 uint64_t;
- #define HAVE_UINT64_T
- #endif
- #ifndef UINT64_MAX
- #define UINT64_MAX 0xffffffffffffffffui64
- #endif
- #ifndef INT64_MAX
- #define INT64_MAX 0x7fffffffffffffffi64
- #endif
- #endif
- #ifndef HAVE_SSIZE_T
- #if SIZEOF_SIZE_T == 8
- typedef int64_t ssize_t;
- #elif SIZEOF_SIZE_T == 4
- typedef int32_t ssize_t;
- #else
- #error "Can't define ssize_t."
- #endif
- #endif
- #if (SIZEOF_VOID_P > 4 && SIZEOF_VOID_P <= 8)
- #ifndef HAVE_INTPTR_T
- typedef int64_t intptr_t;
- #endif
- #ifndef HAVE_UINTPTR_T
- typedef uint64_t uintptr_t;
- #endif
- #elif (SIZEOF_VOID_P > 2 && SIZEOF_VOID_P <= 4)
- #ifndef HAVE_INTPTR_T
- typedef int32_t intptr_t;
- #endif
- #ifndef HAVE_UINTPTR_T
- typedef uint32_t uintptr_t;
- #endif
- #else
- #error "void * is either >8 bytes or <= 2. In either case, I am confused."
- #endif
- #ifndef HAVE_INT8_T
- #error "Missing type int8_t"
- #endif
- #ifndef HAVE_UINT8_T
- #error "Missing type uint8_t"
- #endif
- #ifndef HAVE_INT16_T
- #error "Missing type int16_t"
- #endif
- #ifndef HAVE_UINT16_T
- #error "Missing type uint16_t"
- #endif
- #ifndef HAVE_INT32_T
- #error "Missing type int32_t"
- #endif
- #ifndef HAVE_UINT32_T
- #error "Missing type uint32_t"
- #endif
- #ifndef HAVE_INT64_T
- #error "Missing type int64_t"
- #endif
- #ifndef HAVE_UINT64_T
- #error "Missing type uint64_t"
- #endif
- /* This assumes a sane (2's-complement) representation. But if you
- * aren't 2's complement, and you don't define LONG_MAX, then you're so
- * bizarre that I want nothing to do with you. */
- #ifndef USING_TWOS_COMPLEMENT
- #error "Seems that your platform doesn't use 2's complement arithmetic. Argh."
- #endif
- #ifndef LONG_MAX
- #if (SIZEOF_LONG == 4)
- #define LONG_MAX 0x7fffffffL
- #elif (SIZEOF_LONG == 8)
- #define LONG_MAX 0x7fffffffffffffffL
- #else
- #error "Can't define LONG_MAX"
- #endif
- #endif
- #ifndef INT_MAX
- #if (SIZEOF_INT == 4)
- #define INT_MAX 0x7fffffffL
- #elif (SIZEOF_INT == 8)
- #define INT_MAX 0x7fffffffffffffffL
- #else
- #error "Can't define INT_MAX"
- #endif
- #endif
- #ifndef UINT_MAX
- #if (SIZEOF_INT == 2)
- #define UINT_MAX 0xffffu
- #elif (SIZEOF_INT == 4)
- #define UINT_MAX 0xffffffffu
- #elif (SIZEOF_INT == 8)
- #define UINT_MAX 0xffffffffffffffffu
- #else
- #error "Can't define UINT_MAX"
- #endif
- #endif
- #ifndef SHORT_MAX
- #if (SIZEOF_SHORT == 2)
- #define SHORT_MAX 0x7fff
- #elif (SIZEOF_SHORT == 4)
- #define SHORT_MAX 0x7fffffff
- #else
- #error "Can't define SHORT_MAX"
- #endif
- #endif
- #ifndef TIME_MAX
- #ifdef TIME_T_IS_SIGNED
- #if (SIZEOF_TIME_T == SIZEOF_INT)
- #define TIME_MAX ((time_t)INT_MAX)
- #elif (SIZEOF_TIME_T == SIZEOF_LONG)
- #define TIME_MAX ((time_t)LONG_MAX)
- #elif (SIZEOF_TIME_T == 8)
- #define TIME_MAX ((time_t)INT64_MAX)
- #else
- #error "Can't define (signed) TIME_MAX"
- #endif
- #else
- /* Unsigned case */
- #if (SIZEOF_TIME_T == 4)
- #define TIME_MAX ((time_t)UINT32_MAX)
- #elif (SIZEOF_TIME_T == 8)
- #define TIME_MAX ((time_t)UINT64_MAX)
- #else
- #error "Can't define (unsigned) TIME_MAX"
- #endif
- #endif /* time_t_is_signed */
- #endif /* ifndef(TIME_MAX) */
- #ifndef SIZE_T_MAX
- #if (SIZEOF_SIZE_T == 4)
- #define SIZE_T_MAX UINT32_MAX
- #elif (SIZEOF_SIZE_T == 8)
- #define SIZE_T_MAX UINT64_MAX
- #else
- #error "Can't define SIZE_T_MAX"
- #endif
- #endif
- #ifndef SSIZE_T_MAX
- #if (SIZEOF_SIZE_T == 4)
- #define SSIZE_T_MAX INT32_MAX
- #elif (SIZEOF_SIZE_T == 8)
- #define SSIZE_T_MAX INT64_MAX
- #else
- #error "Can't define SSIZE_T_MAX"
- #endif
- #endif
- /* Any size_t larger than this amount is likely to be an underflow. */
- #define SIZE_T_CEILING (sizeof(char)<<(sizeof(size_t)*8 - 1))
- #endif /* __TORINT_H */