forked from twitter-forks/mysql
/
my_global.h
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/
my_global.h
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/* Copyright (C) 2000-2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* This is the include file that should be included 'first' in every C file. */
#ifndef _global_h
#define _global_h
#ifndef EMBEDDED_LIBRARY
#define HAVE_REPLICATION
#define HAVE_EXTERNAL_CLIENT
#endif
#if defined( __EMX__) && !defined( MYSQL_SERVER)
/* moved here to use below VOID macro redefinition */
#define INCL_BASE
#define INCL_NOPMAPI
#include <os2.h>
#endif /* __EMX__ */
#ifdef __CYGWIN__
/* We use a Unix API, so pretend it's not Windows */
#undef WIN
#undef WIN32
#undef _WIN
#undef _WIN32
#undef _WIN64
#undef __WIN__
#undef __WIN32__
#define HAVE_ERRNO_AS_DEFINE
#endif /* __CYGWIN__ */
/* to make command line shorter we'll define USE_PRAGMA_INTERFACE here */
#ifdef USE_PRAGMA_IMPLEMENTATION
#define USE_PRAGMA_INTERFACE
#endif
#if defined(i386) && !defined(__i386__)
#define __i386__
#endif
/* Macros to make switching between C and C++ mode easier */
#ifdef __cplusplus
#define C_MODE_START extern "C" {
#define C_MODE_END }
#else
#define C_MODE_START
#define C_MODE_END
#endif
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
#include <config-win.h>
#elif defined(OS2)
#include <config-os2.h>
#elif defined(__NETWARE__)
#include <my_config.h>
#include <config-netware.h>
#if defined(__cplusplus) && defined(inline)
#undef inline /* fix configure problem */
#endif
#else
#include <my_config.h>
#if defined(__cplusplus) && defined(inline)
#undef inline /* fix configure problem */
#endif
#endif /* _WIN32... */
/* Some defines to avoid ifdefs in the code */
#ifndef NETWARE_YIELD
#define NETWARE_YIELD
#define NETWARE_SET_SCREEN_MODE(A)
#endif
/*
The macros below are borrowed from include/linux/compiler.h in the
Linux kernel. Use them to indicate the likelyhood of the truthfulness
of a condition. This serves two purposes - newer versions of gcc will be
able to optimize for branch predication, which could yield siginficant
performance gains in frequently executed sections of the code, and the
other reason to use them is for documentation
*/
#if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
#define __builtin_expect(x, expected_value) (x)
#endif
#define likely(x) __builtin_expect((x),1)
#define unlikely(x) __builtin_expect((x),0)
/* Fix problem with S_ISLNK() on Linux */
#if defined(TARGET_OS_LINUX)
#undef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
/* The client defines this to avoid all thread code */
#if defined(UNDEF_THREADS_HACK)
#undef THREAD
#undef HAVE_mit_thread
#undef HAVE_LINUXTHREADS
#undef HAVE_NPTL
#undef HAVE_UNIXWARE7_THREADS
#endif
#ifdef HAVE_THREADS_WITHOUT_SOCKETS
/* MIT pthreads does not work with unix sockets */
#undef HAVE_SYS_UN_H
#endif
#define __EXTENSIONS__ 1 /* We want some extension */
#ifndef __STDC_EXT__
#define __STDC_EXT__ 1 /* To get large file support on hpux */
#endif
#if defined(THREAD) && !defined(__WIN__) && !defined(OS2)
#ifndef _POSIX_PTHREAD_SEMANTICS
#define _POSIX_PTHREAD_SEMANTICS /* We want posix threads */
#endif
#if !defined(SCO)
#define _REENTRANT 1 /* Some thread libraries require this */
#endif
#if !defined(_THREAD_SAFE) && !defined(_AIX)
#define _THREAD_SAFE /* Required for OSF1 */
#endif
#ifndef HAVE_mit_thread
#ifdef HAVE_UNIXWARE7_THREADS
#include <thread.h>
#else
#if defined(HPUX10) || defined(HPUX11)
C_MODE_START /* HPUX needs this, signal.h bug */
#include <pthread.h>
C_MODE_END
#else
#include <pthread.h> /* AIX must have this included first */
#endif
#endif /* HAVE_UNIXWARE7_THREADS */
#endif /* HAVE_mit_thread */
#if !defined(SCO) && !defined(_REENTRANT)
#define _REENTRANT 1 /* Threads requires reentrant code */
#endif
#endif /* THREAD */
/* Go around some bugs in different OS and compilers */
#ifdef _AIX /* By soren@t.dk */
#define _H_STRINGS
#define _SYS_STREAM_H
/* #define _AIX32_CURSES */ /* XXX: this breaks AIX 4.3.3 (others?). */
#define ulonglong2double(A) my_ulonglong2double(A)
#define my_off_t2double(A) my_ulonglong2double(A)
C_MODE_START
double my_ulonglong2double(unsigned long long A);
C_MODE_END
#endif /* _AIX */
#ifdef HAVE_BROKEN_SNPRINTF /* HPUX 10.20 don't have this defined */
#undef HAVE_SNPRINTF
#endif
#ifdef HAVE_BROKEN_PREAD
/*
pread()/pwrite() are not 64 bit safe on HP-UX 11.0 without
installing the kernel patch PHKL_20349 or greater
*/
#undef HAVE_PREAD
#undef HAVE_PWRITE
#endif
#if defined(HAVE_BROKEN_INLINE) && !defined(__cplusplus)
#undef inline
#define inline
#endif
#ifdef UNDEF_HAVE_GETHOSTBYNAME_R /* For OSF4.x */
#undef HAVE_GETHOSTBYNAME_R
#endif
#ifdef UNDEF_HAVE_INITGROUPS /* For AIX 4.3 */
#undef HAVE_INITGROUPS
#endif
/* gcc/egcs issues */
#if defined(__GNUC) && defined(__EXCEPTIONS)
#error "Please add -fno-exceptions to CXXFLAGS and reconfigure/recompile"
#endif
/* Fix a bug in gcc 2.8.0 on IRIX 6.2 */
#if SIZEOF_LONG == 4 && defined(__LONG_MAX__)
#undef __LONG_MAX__ /* Is a longlong value in gcc 2.8.0 ??? */
#define __LONG_MAX__ 2147483647
#endif
/* Fix problem when linking c++ programs with gcc 3.x */
#ifdef DEFINE_CXA_PURE_VIRTUAL
#define FIX_GCC_LINKING_PROBLEM \
C_MODE_START int __cxa_pure_virtual() {\
DBUG_ASSERT("Pure virtual method called." == "Aborted");\
return 0;\
} C_MODE_END
#else
#define FIX_GCC_LINKING_PROBLEM
#endif
/* egcs 1.1.2 has a problem with memcpy on Alpha */
#if defined(__GNUC__) && defined(__alpha__) && ! (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
#define BAD_MEMCPY
#endif
#if defined(_lint) && !defined(lint)
#define lint
#endif
#if SIZEOF_LONG_LONG > 4 && !defined(_LONG_LONG)
#define _LONG_LONG 1 /* For AIX string library */
#endif
#ifndef stdin
#include <stdio.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#include <math.h>
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_FLOAT_H
#include <float.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_TIMEB_H
#include <sys/timeb.h> /* Avoid warnings on SCO */
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif /* TIME_WITH_SYS_TIME */
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if defined(__cplusplus) && defined(NO_CPLUSPLUS_ALLOCA)
#undef HAVE_ALLOCA
#undef HAVE_ALLOCA_H
#endif
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
#ifdef HAVE_ATOMIC_ADD
#define new my_arg_new
#define need_to_restore_new 1
C_MODE_START
#include <asm/atomic.h>
C_MODE_END
#ifdef need_to_restore_new /* probably safer than #ifdef new */
#undef new
#undef need_to_restore_new
#endif
#endif
#include <errno.h> /* Recommended by debian */
/* We need the following to go around a problem with openssl on solaris */
#if defined(HAVE_CRYPT_H)
#include <crypt.h>
#endif
/*
A lot of our programs uses asserts, so better to always include it
This also fixes a problem when people uses DBUG_ASSERT without including
assert.h
*/
#include <assert.h>
/* Go around some bugs in different OS and compilers */
#if defined(_HPUX_SOURCE) && defined(HAVE_SYS_STREAM_H)
#include <sys/stream.h> /* HPUX 10.20 defines ulong here. UGLY !!! */
#define HAVE_ULONG
#endif
#ifdef DONT_USE_FINITE /* HPUX 11.x has is_finite() */
#undef HAVE_FINITE
#endif
#if defined(HPUX10) && defined(_LARGEFILE64_SOURCE) && defined(THREAD)
/* Fix bug in setrlimit */
#undef setrlimit
#define setrlimit cma_setrlimit64
#endif
/* Declare madvise where it is not declared for C++, like Solaris */
#if HAVE_MADVISE && !HAVE_DECL_MADVISE && defined(__cplusplus)
extern "C" int madvise(void *addr, size_t len, int behav);
#endif
#ifdef __QNXNTO__
/* This has to be after include limits.h */
#define HAVE_ERRNO_AS_DEFINE
#define HAVE_FCNTL_LOCK
#undef HAVE_FINITE
#undef LONGLONG_MIN /* These get wrongly defined in QNX 6.2 */
#undef LONGLONG_MAX /* standard system library 'limits.h' */
#ifdef __cplusplus
#define HAVE_RINT /* rint() and isnan() functions are not */
#define rint(a) std::rint(a) /* visible in C++ scope due to an error */
#define isnan(a) std::isnan(a) /* in the usr/include/math.h on QNX */
#endif
#endif
/* We can not live without the following defines */
#define USE_MYFUNC 1 /* Must use syscall indirection */
#define MASTER 1 /* Compile without unireg */
#define ENGLISH 1 /* Messages in English */
#define POSIX_MISTAKE 1 /* regexp: Fix stupid spec error */
#define USE_REGEX 1 /* We want the use the regex library */
/* Do not define for ultra sparcs */
#ifndef OS2
#define USE_BMOVE512 1 /* Use this unless system bmove is faster */
#endif
#define QUOTE_ARG(x) #x /* Quote argument (before cpp) */
#define STRINGIFY_ARG(x) QUOTE_ARG(x) /* Quote argument, after cpp */
/* Paranoid settings. Define I_AM_PARANOID if you are paranoid */
#ifdef I_AM_PARANOID
#define DONT_ALLOW_USER_CHANGE 1
#define DONT_USE_MYSQL_PWD 1
#endif
/* Does the system remember a signal handler after a signal ? */
#ifndef HAVE_BSD_SIGNALS
#define DONT_REMEMBER_SIGNAL
#endif
/* Define void to stop lint from generating "null effekt" comments */
#ifndef DONT_DEFINE_VOID
#ifdef _lint
int __void__;
#define VOID(X) (__void__ = (int) (X))
#else
#undef VOID
#define VOID(X) (X)
#endif
#endif /* DONT_DEFINE_VOID */
#if defined(_lint) || defined(FORCE_INIT_OF_VARS)
#define LINT_INIT(var) var=0 /* No uninitialize-warning */
#else
#define LINT_INIT(var)
#endif
#if defined(_lint) || defined(FORCE_INIT_OF_VARS) || defined(HAVE_purify)
#define PURIFY_OR_LINT_INIT(var) var=0
#else
#define PURIFY_OR_LINT_INIT(var)
#endif
/* Define some useful general macros */
#if !defined(max)
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#if defined(__EMX__) || !defined(HAVE_UINT)
#undef HAVE_UINT
#define HAVE_UINT
typedef unsigned int uint;
typedef unsigned short ushort;
#endif
#define CMP_NUM(a,b) (((a) < (b)) ? -1 : ((a) == (b)) ? 0 : 1)
#define sgn(a) (((a) < 0) ? -1 : ((a) > 0) ? 1 : 0)
#define swap_variables(t, a, b) { register t dummy; dummy= a; a= b; b= dummy; }
#define test(a) ((a) ? 1 : 0)
#define set_if_bigger(a,b) do { if ((a) < (b)) (a)=(b); } while(0)
#define set_if_smaller(a,b) do { if ((a) > (b)) (a)=(b); } while(0)
#define test_all_bits(a,b) (((a) & (b)) == (b))
#define set_bits(type, bit_count) (sizeof(type)*8 <= (bit_count) ? ~(type) 0 : ((((type) 1) << (bit_count)) - (type) 1))
#define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0])))
#ifndef HAVE_RINT
#define rint(A) floor((A)+(((A) < 0)? -0.5 : 0.5))
#endif
/* Define some general constants */
#ifndef TRUE
#define TRUE (1) /* Logical true */
#define FALSE (0) /* Logical false */
#endif
#if defined(__GNUC__)
#define function_volatile volatile
#define my_reinterpret_cast(A) reinterpret_cast<A>
#define my_const_cast(A) const_cast<A>
#elif !defined(my_reinterpret_cast)
#define my_reinterpret_cast(A) (A)
#define my_const_cast(A) (A)
#endif
#if !defined(__attribute__) && (defined(__cplusplus) || !defined(__GNUC__) || __GNUC__ == 2 && __GNUC_MINOR__ < 8)
#define __attribute__(A)
#endif
/* From old s-system.h */
/*
Support macros for non ansi & other old compilers. Since such
things are no longer supported we do nothing. We keep then since
some of our code may still be needed to upgrade old customers.
*/
#define _VARARGS(X) X
#define _STATIC_VARARGS(X) X
#define _PC(X) X
#if defined(DBUG_ON) && defined(DBUG_OFF)
#undef DBUG_OFF
#endif
#if defined(_lint) && !defined(DBUG_OFF)
#define DBUG_OFF
#endif
#include <my_dbug.h>
#define MIN_ARRAY_SIZE 0 /* Zero or One. Gcc allows zero*/
#define ASCII_BITS_USED 8 /* Bit char used */
#define NEAR_F /* No near function handling */
/* Some types that is different between systems */
typedef int File; /* File descriptor */
#ifndef Socket_defined
typedef int my_socket; /* File descriptor for sockets */
#define INVALID_SOCKET -1
#endif
/* Type for fuctions that handles signals */
#define sig_handler RETSIGTYPE
C_MODE_START
typedef void (*sig_return)();/* Returns type from signal */
C_MODE_END
#if defined(__GNUC__) && !defined(_lint)
typedef char pchar; /* Mixed prototypes can take char */
typedef char puchar; /* Mixed prototypes can take char */
typedef char pbool; /* Mixed prototypes can take char */
typedef short pshort; /* Mixed prototypes can take short int */
typedef float pfloat; /* Mixed prototypes can take float */
#else
typedef int pchar; /* Mixed prototypes can't take char */
typedef uint puchar; /* Mixed prototypes can't take char */
typedef int pbool; /* Mixed prototypes can't take char */
typedef int pshort; /* Mixed prototypes can't take short int */
typedef double pfloat; /* Mixed prototypes can't take float */
#endif
C_MODE_START
typedef int (*qsort_cmp)(const void *,const void *);
typedef int (*qsort_cmp2)(void*, const void *,const void *);
C_MODE_END
#ifdef HAVE_mit_thread
#define qsort_t void
#undef QSORT_TYPE_IS_VOID
#define QSORT_TYPE_IS_VOID
#else
#define qsort_t RETQSORTTYPE /* Broken GCC cant handle typedef !!!! */
#endif
#ifdef HAVE_mit_thread
#define size_socket socklen_t /* Type of last arg to accept */
#else
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
typedef SOCKET_SIZE_TYPE size_socket;
#endif
#ifndef SOCKOPT_OPTLEN_TYPE
#define SOCKOPT_OPTLEN_TYPE size_socket
#endif
/* file create flags */
#ifndef O_SHARE /* Probably not windows */
#define O_SHARE 0 /* Flag to my_open for shared files */
#ifndef O_BINARY
#define O_BINARY 0 /* Flag to my_open for binary files */
#endif
#ifndef FILE_BINARY
#define FILE_BINARY O_BINARY /* Flag to my_fopen for binary streams */
#endif
#ifdef HAVE_FCNTL
#define HAVE_FCNTL_LOCK
#define F_TO_EOF 0L /* Param to lockf() to lock rest of file */
#endif
#endif /* O_SHARE */
#ifndef O_TEMPORARY
#define O_TEMPORARY 0
#endif
#ifndef O_SHORT_LIVED
#define O_SHORT_LIVED 0
#endif
#ifndef O_NOFOLLOW
#define O_NOFOLLOW 0
#endif
/* #define USE_RECORD_LOCK */
/* Unsigned types supported by the compiler */
#define UNSINT8 /* unsigned int8 (char) */
#define UNSINT16 /* unsigned int16 */
#define UNSINT32 /* unsigned int32 */
/* General constants */
#define SC_MAXWIDTH 256 /* Max width of screen (for error messages) */
#define FN_LEN 256 /* Max file name len */
#define FN_HEADLEN 253 /* Max length of filepart of file name */
#define FN_EXTLEN 20 /* Max length of extension (part of FN_LEN) */
#ifdef PATH_MAX
#define FN_REFLEN PATH_MAX/* Max length of full path-name */
#else
#define FN_REFLEN 512 /* Max length of full path-name */
#endif
#define FN_EXTCHAR '.'
#define FN_HOMELIB '~' /* ~/ is used as abbrev for home dir */
#define FN_CURLIB '.' /* ./ is used as abbrev for current dir */
#define FN_PARENTDIR ".." /* Parent directory; Must be a string */
#define FN_DEVCHAR ':'
#ifndef FN_LIBCHAR
#ifdef __EMX__
#define FN_LIBCHAR '\\'
#define FN_ROOTDIR "\\"
#else
#define FN_LIBCHAR '/'
#define FN_ROOTDIR "/"
#endif
#endif
#define MY_NFILE 64 /* This is only used to save filenames */
#ifndef OS_FILE_LIMIT
#define OS_FILE_LIMIT 65535
#endif
/* #define EXT_IN_LIBNAME */
/* #define FN_NO_CASE_SENCE */
/* #define FN_UPPER_CASE TRUE */
/*
Io buffer size; Must be a power of 2 and a multiple of 512. May be
smaller what the disk page size. This influences the speed of the
isam btree library. eg to big to slow.
*/
#define IO_SIZE 4096
/*
How much overhead does malloc have. The code often allocates
something like 1024-MALLOC_OVERHEAD bytes
*/
#ifdef SAFEMALLOC
#define MALLOC_OVERHEAD (8+24+4)
#else
#define MALLOC_OVERHEAD 8
#endif
/* get memory in huncs */
#define ONCE_ALLOC_INIT (uint) (4096-MALLOC_OVERHEAD)
/* Typical record cash */
#define RECORD_CACHE_SIZE (uint) (64*1024-MALLOC_OVERHEAD)
/* Typical key cash */
#define KEY_CACHE_SIZE (uint) (8*1024*1024-MALLOC_OVERHEAD)
/* Default size of a key cache block */
#define KEY_CACHE_BLOCK_SIZE (uint) 1024
/* Some things that this system doesn't have */
#define NO_HASH /* Not needed anymore */
#ifdef __WIN__
#define NO_DIR_LIBRARY /* Not standar dir-library */
#define USE_MY_STAT_STRUCT /* For my_lib */
#endif
/* Some defines of functions for portability */
#undef remove /* Crashes MySQL on SCO 5.0.0 */
#ifndef __WIN__
#ifdef OS2
#define closesocket(A) soclose(A)
#else
#define closesocket(A) close(A)
#endif
#ifndef ulonglong2double
#define ulonglong2double(A) ((double) (ulonglong) (A))
#define my_off_t2double(A) ((double) (my_off_t) (A))
#endif
#endif
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
#define ulong_to_double(X) ((double) (ulong) (X))
#define SET_STACK_SIZE(X) /* Not needed on real machines */
#if !defined(HAVE_mit_thread) && !defined(HAVE_STRTOK_R)
#define strtok_r(A,B,C) strtok((A),(B))
#endif
/* Remove some things that mit_thread break or doesn't support */
#if defined(HAVE_mit_thread) && defined(THREAD)
#undef HAVE_PREAD
#undef HAVE_REALPATH
#undef HAVE_MLOCK
#undef HAVE_TEMPNAM /* Use ours */
#undef HAVE_PTHREAD_SETPRIO
#undef HAVE_FTRUNCATE
#undef HAVE_READLINK
#endif
/* This is from the old m-machine.h file */
#if SIZEOF_LONG_LONG > 4
#define HAVE_LONG_LONG 1
#endif
/*
Some pre-ANSI-C99 systems like AIX 5.1 and Linux/GCC 2.95 define
ULONGLONG_MAX, LONGLONG_MIN, LONGLONG_MAX; we use them if they're defined.
Also on Windows we define these constants by hand in config-win.h.
*/
#if defined(HAVE_LONG_LONG) && !defined(LONGLONG_MIN)
#define LONGLONG_MIN ((long long) 0x8000000000000000LL)
#define LONGLONG_MAX ((long long) 0x7FFFFFFFFFFFFFFFLL)
#endif
#if defined(HAVE_LONG_LONG) && !defined(ULONGLONG_MAX)
/* First check for ANSI C99 definition: */
#ifdef ULLONG_MAX
#define ULONGLONG_MAX ULLONG_MAX
#else
#define ULONGLONG_MAX ((unsigned long long)(~0ULL))
#endif
#endif /* defined (HAVE_LONG_LONG) && !defined(ULONGLONG_MAX)*/
#define INT_MIN32 (~0x7FFFFFFFL)
#define INT_MAX32 0x7FFFFFFFL
#define UINT_MAX32 0xFFFFFFFFL
#define INT_MIN24 (~0x007FFFFF)
#define INT_MAX24 0x007FFFFF
#define UINT_MAX24 0x00FFFFFF
#define INT_MIN16 (~0x7FFF)
#define INT_MAX16 0x7FFF
#define UINT_MAX16 0xFFFF
#define INT_MIN8 (~0x7F)
#define INT_MAX8 0x7F
/* From limits.h instead */
#ifndef DBL_MIN
#define DBL_MIN 4.94065645841246544e-324
#define FLT_MIN ((float)1.40129846432481707e-45)
#endif
#ifndef DBL_MAX
#define DBL_MAX 1.79769313486231470e+308
#define FLT_MAX ((float)3.40282346638528860e+38)
#endif
#if !defined(HAVE_ISINF) && !defined(isinf)
#define isinf(X) 0
#endif
/*
Max size that must be added to a so that we know Size to make
adressable obj.
*/
#if SIZEOF_CHARP == 4
typedef long my_ptrdiff_t;
#else
typedef long long my_ptrdiff_t;
#endif
#define MY_ALIGN(A,L) (((A) + (L) - 1) & ~((L) - 1))
#define ALIGN_SIZE(A) MY_ALIGN((A),sizeof(double))
/* Size to make adressable obj. */
#define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t)))
/* Offset of field f in structure t */
#define OFFSET(t, f) ((size_t)(char *)&((t *)0)->f)
#define ADD_TO_PTR(ptr,size,type) (type) ((byte*) (ptr)+size)
#define PTR_BYTE_DIFF(A,B) (my_ptrdiff_t) ((byte*) (A) - (byte*) (B))
#define NullS (char *) 0
/* Nowdays we do not support MessyDos */
#ifndef NEAR
#define NEAR /* Who needs segments ? */
#define FAR /* On a good machine */
#ifndef HUGE_PTR
#define HUGE_PTR
#endif
#endif
#if defined(__IBMC__) || defined(__IBMCPP__)
/* This was _System _Export but caused a lot of warnings on _AIX43 */
#define STDCALL
#elif !defined( STDCALL)
#define STDCALL
#endif
/* Typdefs for easyier portability */
#if defined(VOIDTYPE)
typedef void *gptr; /* Generic pointer */
#else
typedef char *gptr; /* Generic pointer */
#endif
#ifndef HAVE_INT_8_16_32
typedef signed char int8; /* Signed integer >= 8 bits */
typedef short int16; /* Signed integer >= 16 bits */
#endif
#ifndef HAVE_UCHAR
typedef unsigned char uchar; /* Short for unsigned char */
#endif
typedef unsigned char uint8; /* Short for unsigned integer >= 8 bits */
typedef unsigned short uint16; /* Short for unsigned integer >= 16 bits */
#if SIZEOF_INT == 4
#ifndef HAVE_INT_8_16_32
typedef int int32;
#endif
typedef unsigned int uint32; /* Short for unsigned integer >= 32 bits */
#elif SIZEOF_LONG == 4
#ifndef HAVE_INT_8_16_32
typedef long int32;
#endif
typedef unsigned long uint32; /* Short for unsigned integer >= 32 bits */
#else
error "Neither int or long is of 4 bytes width"
#endif
#if !defined(HAVE_ULONG) && !defined(TARGET_OS_LINUX) && !defined(__USE_MISC)
typedef unsigned long ulong; /* Short for unsigned long */
#endif
#ifndef longlong_defined
#if defined(HAVE_LONG_LONG) && SIZEOF_LONG != 8
typedef unsigned long long int ulonglong; /* ulong or unsigned long long */
typedef long long int longlong;
#else
typedef unsigned long ulonglong; /* ulong or unsigned long long */
typedef long longlong;
#endif
#endif
#if defined(NO_CLIENT_LONG_LONG)
typedef unsigned long my_ulonglong;
#elif defined (__WIN__)
typedef unsigned __int64 my_ulonglong;
#else
typedef unsigned long long my_ulonglong;
#endif
#ifdef USE_RAID
/*
The following is done with a if to not get problems with pre-processors
with late define evaluation
*/
#if SIZEOF_OFF_T == 4
#define SYSTEM_SIZEOF_OFF_T 4
#else
#define SYSTEM_SIZEOF_OFF_T 8
#endif
#undef SIZEOF_OFF_T
#define SIZEOF_OFF_T 8
#else
#define SYSTEM_SIZEOF_OFF_T SIZEOF_OFF_T
#endif /* USE_RAID */
#if SIZEOF_OFF_T > 4
typedef ulonglong my_off_t;
#else
typedef unsigned long my_off_t;
#endif
#define MY_FILEPOS_ERROR (~(my_off_t) 0)
#if !defined(__WIN__) && !defined(OS2)
typedef off_t os_off_t;
#endif
#if defined(__WIN__)
#define socket_errno WSAGetLastError()
#define SOCKET_EINTR WSAEINTR
#define SOCKET_EAGAIN WSAEINPROGRESS
#define SOCKET_ETIMEDOUT WSAETIMEDOUT
#define SOCKET_EWOULDBLOCK WSAEWOULDBLOCK
#define SOCKET_ENFILE ENFILE
#define SOCKET_EMFILE EMFILE
#elif defined(OS2)
#define socket_errno sock_errno()
#define SOCKET_EINTR SOCEINTR
#define SOCKET_EAGAIN SOCEINPROGRESS
#define SOCKET_ETIMEDOUT SOCKET_EINTR
#define SOCKET_EWOULDBLOCK SOCEWOULDBLOCK
#define SOCKET_ENFILE SOCENFILE
#define SOCKET_EMFILE SOCEMFILE
#define closesocket(A) soclose(A)
#else /* Unix */
#define socket_errno errno
#define closesocket(A) close(A)
#define SOCKET_EINTR EINTR
#define SOCKET_EAGAIN EAGAIN
#define SOCKET_ETIMEDOUT SOCKET_EINTR
#define SOCKET_EWOULDBLOCK EWOULDBLOCK
#define SOCKET_ENFILE ENFILE
#define SOCKET_EMFILE EMFILE
#endif
typedef uint8 int7; /* Most effective integer 0 <= x <= 127 */
typedef short int15; /* Most effective integer 0 <= x <= 32767 */
typedef char *my_string; /* String of characters */
typedef unsigned long size_s; /* Size of strings (In string-funcs) */
typedef int myf; /* Type of MyFlags in my_funcs */
#ifndef byte_defined
typedef char byte; /* Smallest addressable unit */
#endif
typedef char my_bool; /* Small bool */
#if !defined(bool) && !defined(bool_defined) && (!defined(HAVE_BOOL) || !defined(__cplusplus))
typedef char bool; /* Ordinary boolean values 0 1 */
#endif
/* Macros for converting *constants* to the right type */
#define INT8(v) (int8) (v)
#define INT16(v) (int16) (v)
#define INT32(v) (int32) (v)
#define MYF(v) (myf) (v)
#ifndef LL
#ifdef HAVE_LONG_LONG
#define LL(A) A ## LL
#else
#define LL(A) A ## L
#endif
#endif
#ifndef ULL
#ifdef HAVE_LONG_LONG
#define ULL(A) A ## ULL
#else
#define ULL(A) A ## UL
#endif
#endif
/*
Defines to make it possible to prioritize register assignments. No
longer that important with modern compilers.
*/
#ifndef USING_X
#define reg1 register
#define reg2 register
#define reg3 register
#define reg4 register
#define reg5 register
#define reg6 register
#define reg7 register
#define reg8 register
#define reg9 register
#define reg10 register
#define reg11 register
#define reg12 register
#define reg13 register
#define reg14 register
#define reg15 register
#define reg16 register
#endif
/*
Sometimes we want to make sure that the variable is not put into
a register in debugging mode so we can see its value in the core
*/
#ifndef DBUG_OFF
#define dbug_volatile volatile
#else
#define dbug_volatile
#endif
/* Defines for time function */
#define SCALE_SEC 100
#define SCALE_USEC 10000
#define MY_HOW_OFTEN_TO_ALARM 2 /* How often we want info on screen */
#define MY_HOW_OFTEN_TO_WRITE 1000 /* How often we want info on screen */
#ifndef set_timespec
#ifdef HAVE_TIMESPEC_TS_SEC
#define set_timespec(ABSTIME,SEC) { (ABSTIME).ts_sec=time(0) + (time_t) (SEC); (ABSTIME).ts_nsec=0; }
#else
#define set_timespec(ABSTIME,SEC) \
{\
struct timeval tv;\
gettimeofday(&tv,0);\
(ABSTIME).tv_sec=tv.tv_sec+(time_t) (SEC);\
(ABSTIME).tv_nsec=tv.tv_usec*1000;\
}
#endif /* HAVE_TIMESPEC_TS_SEC */
#endif /* set_timespec */
/*
Define-funktions for reading and storing in machine independent format
(low byte first)
*/
/* Optimized store functions for Intel x86 */
#if defined(__i386__) && !defined(_WIN64)
#define sint2korr(A) (*((int16 *) (A)))
#define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \
(((uint32) 255L << 24) | \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \
((uint32) (uchar) (A)[0])) : \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \
((uint32) (uchar) (A)[0])))
#define sint4korr(A) (*((long *) (A)))
#define uint2korr(A) (*((uint16 *) (A)))
#ifdef HAVE_purify
#define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\
(((uint32) ((uchar) (A)[1])) << 8) +\
(((uint32) ((uchar) (A)[2])) << 16))
#else
/*
ATTENTION !
Please, note, uint3korr reads 4 bytes (not 3) !
It means, that you have to provide enough allocated space !
*/
#define uint3korr(A) (long) (*((unsigned int *) (A)) & 0xFFFFFF)
#endif
#define uint4korr(A) (*((unsigned long *) (A)))
#define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
(((uint32) ((uchar) (A)[1])) << 8) +\
(((uint32) ((uchar) (A)[2])) << 16) +\
(((uint32) ((uchar) (A)[3])) << 24)) +\
(((ulonglong) ((uchar) (A)[4])) << 32))
#define uint8korr(A) (*((ulonglong *) (A)))
#define sint8korr(A) (*((longlong *) (A)))
#define int2store(T,A) *((uint16*) (T))= (uint16) (A)
#define int3store(T,A) do { *(T)= (uchar) ((A));\
*(T+1)=(uchar) (((uint) (A) >> 8));\
*(T+2)=(uchar) (((A) >> 16)); } while (0)
#define int4store(T,A) *((long *) (T))= (long) (A)
#define int5store(T,A) do { *(T)= (uchar)((A));\
*((T)+1)=(uchar) (((A) >> 8));\
*((T)+2)=(uchar) (((A) >> 16));\
*((T)+3)=(uchar) (((A) >> 24)); \
*((T)+4)=(uchar) (((A) >> 32)); } while(0)
#define int8store(T,A) *((ulonglong *) (T))= (ulonglong) (A)
typedef union {
double v;
long m[2];
} doubleget_union;
#define doubleget(V,M) \
do { doubleget_union _tmp; \
_tmp.m[0] = *((long*)(M)); \
_tmp.m[1] = *(((long*) (M))+1); \
(V) = _tmp.v; } while(0)
#define doublestore(T,V) do { *((long *) T) = ((doubleget_union *)&V)->m[0]; \
*(((long *) T)+1) = ((doubleget_union *)&V)->m[1]; \
} while (0)
#define float4get(V,M) do { *((long *) &(V)) = *((long*) (M)); } while(0)
#define float8get(V,M) doubleget((V),(M))
#define float4store(V,M) memcpy((byte*) V,(byte*) (&M),sizeof(float))
#define floatstore(T,V) memcpy((byte*)(T), (byte*)(&V),sizeof(float))
#define floatget(V,M) memcpy((byte*) &V,(byte*) (M),sizeof(float))
#define float8store(V,M) doublestore((V),(M))
#endif /* __i386__ */
#ifndef sint2korr
/*
We're here if it's not a IA-32 architecture (Win32 and UNIX IA-32 defines
were done before)
*/
#define sint2korr(A) (int16) (((int16) ((uchar) (A)[0])) +\
((int16) ((int16) (A)[1]) << 8))
#define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \
(((uint32) 255L << 24) | \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \
((uint32) (uchar) (A)[0])) : \
(((uint32) (uchar) (A)[2]) << 16) |\
(((uint32) (uchar) (A)[1]) << 8) | \