/* Copyright 2003 Roger Dingledine * Copyright 2004-2007 Roger Dingledine, Nick Mathewson */ /* See LICENSE for licensing information */ /* $Id$ */ /** * \file torint.h * \brief Header file to define uint32_t and friends **/ #ifndef __TORINT_H #define __TORINT_H #define TORINT_H_ID "$Id$" #include "orconfig.h" #ifdef HAVE_STDINT_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_LIMITS_H #include #endif #ifdef HAVE_SYS_LIMITS_H #include #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#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) /* FreeBSD has a bug where it complains that this file is obsolete, and I should migrate to using sys/limits.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 #endif #endif #ifdef HAVE_INTTYPES_H #include #endif #ifdef MS_WINDOWS /* Windows likes to capitalize ssize_t. Charming. */ #define ssize_t SSIZE_T #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 #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 #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 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) #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 0xfffffffful #elif (SIZEOF_SIZE_T == 8) #define SIZE_T_MAX 0xfffffffffffffffful #else #error "Can't define SIZE_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 */