diff options
author | Nick Mathewson <nickm@torproject.org> | 2018-06-21 12:20:26 -0400 |
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committer | Nick Mathewson <nickm@torproject.org> | 2018-06-21 13:14:14 -0400 |
commit | cd8f91955366719d5060264a613c3296b888ec6d (patch) | |
tree | 269f2748bbcb0d1675b34b7a96f07ea361bb9e7b /src/common | |
parent | d2f4a716e8cc9aaa53b36d4e853769103ea35084 (diff) | |
download | tor-cd8f91955366719d5060264a613c3296b888ec6d.tar.gz tor-cd8f91955366719d5060264a613c3296b888ec6d.zip |
Move compiler-compatibility headers into their own module
This one has no generated code.
Diffstat (limited to 'src/common')
-rw-r--r-- | src/common/compat_compiler.h | 197 | ||||
-rw-r--r-- | src/common/include.am | 2 | ||||
-rw-r--r-- | src/common/torint.h | 379 |
3 files changed, 0 insertions, 578 deletions
diff --git a/src/common/compat_compiler.h b/src/common/compat_compiler.h deleted file mode 100644 index a9a3266165..0000000000 --- a/src/common/compat_compiler.h +++ /dev/null @@ -1,197 +0,0 @@ -/* Copyright (c) 2003-2004, Roger Dingledine - * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2018, The Tor Project, Inc. */ -/* See LICENSE for licensing information */ - -#ifndef TOR_COMPAT_COMPILER_H -#define TOR_COMPAT_COMPILER_H - -#include "orconfig.h" - -#if defined(__has_feature) -# if __has_feature(address_sanitizer) -/* Some of the fancy glibc strcmp() macros include references to memory that - * clang rejects because it is off the end of a less-than-3. Clang hates this, - * even though those references never actually happen. */ -# undef strcmp -#endif /* __has_feature(address_sanitizer) */ -#endif /* defined(__has_feature) */ - -#ifndef NULL_REP_IS_ZERO_BYTES -#error "It seems your platform does not represent NULL as zero. We can't cope." -#endif - -#ifndef DOUBLE_0_REP_IS_ZERO_BYTES -#error "It seems your platform does not represent 0.0 as zeros. We can't cope." -#endif - -#if 'a'!=97 || 'z'!=122 || 'A'!=65 || ' '!=32 -#error "It seems that you encode characters in something other than ASCII." -#endif - -/* GCC can check printf and scanf types on arbitrary functions. */ -#ifdef __GNUC__ -#define CHECK_PRINTF(formatIdx, firstArg) \ - __attribute__ ((format(printf, formatIdx, firstArg))) -#else -#define CHECK_PRINTF(formatIdx, firstArg) -#endif /* defined(__GNUC__) */ -#ifdef __GNUC__ -#define CHECK_SCANF(formatIdx, firstArg) \ - __attribute__ ((format(scanf, formatIdx, firstArg))) -#else -#define CHECK_SCANF(formatIdx, firstArg) -#endif /* defined(__GNUC__) */ - -/* What GCC do we have? */ -#ifdef __GNUC__ -#define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) -#else -#define GCC_VERSION 0 -#endif - -/* Temporarily enable and disable warnings. */ -#ifdef __GNUC__ -# define PRAGMA_STRINGIFY_(s) #s -# define PRAGMA_JOIN_STRINGIFY_(a,b) PRAGMA_STRINGIFY_(a ## b) -/* Support for macro-generated pragmas (c99) */ -# define PRAGMA_(x) _Pragma (#x) -# ifdef __clang__ -# define PRAGMA_DIAGNOSTIC_(x) PRAGMA_(clang diagnostic x) -# else -# define PRAGMA_DIAGNOSTIC_(x) PRAGMA_(GCC diagnostic x) -# endif -# if defined(__clang__) || GCC_VERSION >= 406 -/* we have push/pop support */ -# define DISABLE_GCC_WARNING(warningopt) \ - PRAGMA_DIAGNOSTIC_(push) \ - PRAGMA_DIAGNOSTIC_(ignored PRAGMA_JOIN_STRINGIFY_(-W,warningopt)) -# define ENABLE_GCC_WARNING(warningopt) \ - PRAGMA_DIAGNOSTIC_(pop) -#else /* !(defined(__clang__) || GCC_VERSION >= 406) */ -/* older version of gcc: no push/pop support. */ -# define DISABLE_GCC_WARNING(warningopt) \ - PRAGMA_DIAGNOSTIC_(ignored PRAGMA_JOIN_STRINGIFY_(-W,warningopt)) -# define ENABLE_GCC_WARNING(warningopt) \ - PRAGMA_DIAGNOSTIC_(warning PRAGMA_JOIN_STRINGIFY_(-W,warningopt)) -#endif /* defined(__clang__) || GCC_VERSION >= 406 */ -#else /* !(defined(__GNUC__)) */ -/* not gcc at all */ -# define DISABLE_GCC_WARNING(warning) -# define ENABLE_GCC_WARNING(warning) -#endif /* defined(__GNUC__) */ - -/* inline is __inline on windows. */ -#ifdef _WIN32 -#define inline __inline -#endif - -/* Try to get a reasonable __func__ substitute in place. */ -#if defined(_MSC_VER) - -#define __func__ __FUNCTION__ - -#else -/* For platforms where autoconf works, make sure __func__ is defined - * sanely. */ -#ifndef HAVE_MACRO__func__ -#ifdef HAVE_MACRO__FUNCTION__ -#define __func__ __FUNCTION__ -#elif HAVE_MACRO__FUNC__ -#define __func__ __FUNC__ -#else -#define __func__ "???" -#endif /* defined(HAVE_MACRO__FUNCTION__) || ... */ -#endif /* !defined(HAVE_MACRO__func__) */ -#endif /* defined(_MSC_VER) */ - -#define U64_TO_DBL(x) ((double) (x)) -#define DBL_TO_U64(x) ((uint64_t) (x)) - -#ifdef ENUM_VALS_ARE_SIGNED -#define ENUM_BF(t) unsigned -#else -/** Wrapper for having a bitfield of an enumerated type. Where possible, we - * just use the enumerated type (so the compiler can help us and notice - * problems), but if enumerated types are unsigned, we must use unsigned, - * so that the loss of precision doesn't make large values negative. */ -#define ENUM_BF(t) t -#endif /* defined(ENUM_VALS_ARE_SIGNED) */ - -/* GCC has several useful attributes. */ -#if defined(__GNUC__) && __GNUC__ >= 3 -#define ATTR_NORETURN __attribute__((noreturn)) -#define ATTR_CONST __attribute__((const)) -#define ATTR_MALLOC __attribute__((malloc)) -#define ATTR_NORETURN __attribute__((noreturn)) -#define ATTR_WUR __attribute__((warn_unused_result)) -/* Alas, nonnull is not at present a good idea for us. We'd like to get - * warnings when we pass NULL where we shouldn't (which nonnull does, albeit - * spottily), but we don't want to tell the compiler to make optimizations - * with the assumption that the argument can't be NULL (since this would make - * many of our checks go away, and make our code less robust against - * programming errors). Unfortunately, nonnull currently does both of these - * things, and there's no good way to split them up. - * - * #define ATTR_NONNULL(x) __attribute__((nonnull x)) */ -#define ATTR_NONNULL(x) -#define ATTR_UNUSED __attribute__ ((unused)) - -/** Macro: Evaluates to <b>exp</b> and hints the compiler that the value - * of <b>exp</b> will probably be true. - * - * In other words, "if (PREDICT_LIKELY(foo))" is the same as "if (foo)", - * except that it tells the compiler that the branch will be taken most of the - * time. This can generate slightly better code with some CPUs. - */ -#define PREDICT_LIKELY(exp) __builtin_expect(!!(exp), 1) -/** Macro: Evaluates to <b>exp</b> and hints the compiler that the value - * of <b>exp</b> will probably be false. - * - * In other words, "if (PREDICT_UNLIKELY(foo))" is the same as "if (foo)", - * except that it tells the compiler that the branch will usually not be - * taken. This can generate slightly better code with some CPUs. - */ -#define PREDICT_UNLIKELY(exp) __builtin_expect(!!(exp), 0) -#else /* !(defined(__GNUC__) && __GNUC__ >= 3) */ -#define ATTR_NORETURN -#define ATTR_CONST -#define ATTR_MALLOC -#define ATTR_NORETURN -#define ATTR_NONNULL(x) -#define ATTR_UNUSED -#define ATTR_WUR -#define PREDICT_LIKELY(exp) (exp) -#define PREDICT_UNLIKELY(exp) (exp) -#endif /* defined(__GNUC__) && __GNUC__ >= 3 */ - -/** Expands to a syntactically valid empty statement. */ -#define STMT_NIL (void)0 - -/** Expands to a syntactically valid empty statement, explicitly (void)ing its - * argument. */ -#define STMT_VOID(a) while (0) { (void)(a); } - -#ifdef __GNUC__ -/** STMT_BEGIN and STMT_END are used to wrap blocks inside macros so that - * the macro can be used as if it were a single C statement. */ -#define STMT_BEGIN (void) ({ -#define STMT_END }) -#elif defined(sun) || defined(__sun__) -#define STMT_BEGIN if (1) { -#define STMT_END } else STMT_NIL -#else -#define STMT_BEGIN do { -#define STMT_END } while (0) -#endif /* defined(__GNUC__) || ... */ - -/* Some tools (like coccinelle) don't like to see operators as macro - * arguments. */ -#define OP_LT < -#define OP_GT > -#define OP_GE >= -#define OP_LE <= -#define OP_EQ == -#define OP_NE != - -#endif /* !defined(TOR_COMPAT_H) */ diff --git a/src/common/include.am b/src/common/include.am index 0119b5cf1b..2869c2ac9d 100644 --- a/src/common/include.am +++ b/src/common/include.am @@ -136,7 +136,6 @@ COMMONHEADERS = \ src/common/aes.h \ src/common/ciphers.inc \ src/common/compat.h \ - src/common/compat_compiler.h \ src/common/compat_libevent.h \ src/common/compat_openssl.h \ src/common/compat_threads.h \ @@ -165,7 +164,6 @@ COMMONHEADERS = \ src/common/testsupport.h \ src/common/timers.h \ src/common/token_bucket.h \ - src/common/torint.h \ src/common/torlog.h \ src/common/tortls.h \ src/common/util.h \ diff --git a/src/common/torint.h b/src/common/torint.h deleted file mode 100644 index 55b15402f2..0000000000 --- a/src/common/torint.h +++ /dev/null @@ -1,379 +0,0 @@ -/* Copyright (c) 2003, Roger Dingledine - * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2018, 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 /* !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) */ -#endif /* defined(HAVE_MACHINE_LIMITS_H) */ -#ifdef HAVE_INTTYPES_H -#include <inttypes.h> -#endif - -#include <stdbool.h> - -#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 /* (SIZEOF_CHAR == 1) */ - -#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 /* (SIZEOF_SHORT == 2) */ - -#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 UINT16_MAX -#define UINT16_MAX 0xffffu -#endif -#ifndef INT16_MAX -#define INT16_MAX 0x7fff -#endif -#ifndef INT16_MIN -#define INT16_MIN (-INT16_MAX-1) -#endif -#ifndef UINT32_MAX -#define UINT32_MAX 0xffffffffu -#endif -#ifndef INT32_MAX -#define INT32_MAX 0x7fffffff -#endif -#ifndef INT32_MIN -#define INT32_MIN (-2147483647-1) -#endif -#endif /* (SIZEOF_INT == 2) || ... */ - -#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 /* !defined(HAVE_UINT32_T) */ -#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 /* (SIZEOF_LONG == 4) || ... */ - -#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 /* (SIZEOF_LONG_LONG == 8) */ - -#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 /* (SIZEOF___INT64 == 8) */ - -#ifndef INT64_MIN -#define INT64_MIN ((- INT64_MAX) - 1) -#endif - -#ifndef SIZE_MAX -#if SIZEOF_SIZE_T == 8 -#define SIZE_MAX UINT64_MAX -#elif SIZEOF_SIZE_T == 4 -#define SIZE_MAX UINT32_MAX -#else -#error "Can't define SIZE_MAX" -#endif /* SIZEOF_SIZE_T == 8 || ... */ -#endif /* !defined(SIZE_MAX) */ - -#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 /* SIZEOF_SIZE_T == 8 || ... */ -#endif /* !defined(HAVE_SSIZE_T) */ - -#if (SIZEOF_VOID_P > 4 && SIZEOF_VOID_P <= 8) -#ifndef HAVE_INTPTR_T -typedef int64_t intptr_t; -#define SIZEOF_INTPTR_T 8 -#endif -#ifndef HAVE_UINTPTR_T -typedef uint64_t uintptr_t; -#define SIZEOF_UINTPTR_T 8 -#endif -#elif (SIZEOF_VOID_P > 2 && SIZEOF_VOID_P <= 4) -#ifndef HAVE_INTPTR_T -typedef int32_t intptr_t; -#define SIZEOF_INTPTR_T 4 -#endif -#ifndef HAVE_UINTPTR_T -typedef uint32_t uintptr_t; -#define SIZEOF_UINTPTR_T 4 -#endif -#else -#error "void * is either >8 bytes or <= 2. In either case, I am confused." -#endif /* (SIZEOF_VOID_P > 4 && SIZEOF_VOID_P <= 8) || ... */ - -#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 /* (SIZEOF_LONG == 4) || ... */ -#endif /* !defined(LONG_MAX) */ - -#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 /* (SIZEOF_INT == 4) || ... */ -#endif /* !defined(INT_MAX) */ - -#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 /* (SIZEOF_INT == 2) || ... */ -#endif /* !defined(UINT_MAX) */ - -#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 /* (SIZEOF_SHORT == 2) || ... */ -#endif /* !defined(SHORT_MAX) */ - -#ifndef TIME_MAX - -#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 TIME_MAX" -#endif /* (SIZEOF_TIME_T == SIZEOF_INT) || ... */ - -#endif /* !defined(TIME_MAX) */ - -#ifndef TIME_MIN - -#if (SIZEOF_TIME_T == SIZEOF_INT) -#define TIME_MIN ((time_t)INT_MIN) -#elif (SIZEOF_TIME_T == SIZEOF_LONG) -#define TIME_MIN ((time_t)LONG_MIN) -#elif (SIZEOF_TIME_T == 8) -#define TIME_MIN ((time_t)INT64_MIN) -#else -#error "Can't define TIME_MIN" -#endif /* (SIZEOF_TIME_T == SIZEOF_INT) || ... */ - -#endif /* !defined(TIME_MIN) */ - -#ifndef SIZE_MAX -#if (SIZEOF_SIZE_T == 4) -#define SIZE_MAX UINT32_MAX -#elif (SIZEOF_SIZE_T == 8) -#define SIZE_MAX UINT64_MAX -#else -#error "Can't define SIZE_MAX" -#endif /* (SIZEOF_SIZE_T == 4) || ... */ -#endif /* !defined(SIZE_MAX) */ - -#ifdef _WIN32 -# ifdef _WIN64 -# define TOR_PRIuSZ PRIu64 -# else -# define TOR_PRIuSZ PRIu32 -# endif -#else -# define TOR_PRIuSZ "zu" -#endif - -#ifndef SSIZE_MAX -#if (SIZEOF_SIZE_T == 4) -#define SSIZE_MAX INT32_MAX -#elif (SIZEOF_SIZE_T == 8) -#define SSIZE_MAX INT64_MAX -#else -#error "Can't define SSIZE_MAX" -#endif /* (SIZEOF_SIZE_T == 4) || ... */ -#endif /* !defined(SSIZE_MAX) */ - -/** Any ssize_t larger than this amount is likely to be an underflow. */ -#define SSIZE_T_CEILING ((ssize_t)(SSIZE_MAX-16)) -/** Any size_t larger than this amount is likely to be an underflow. */ -#define SIZE_T_CEILING ((size_t)(SSIZE_MAX-16)) - -#endif /* !defined(TOR_TORINT_H) */ - |