my_global.h

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00001 /* Copyright (C) 2000-2003 MySQL AB
00002 
00003    This program is free software; you can redistribute it and/or modify
00004    it under the terms of the GNU General Public License as published by
00005    the Free Software Foundation; either version 2 of the License, or
00006    (at your option) any later version.
00007 
00008    This program is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011    GNU General Public License for more details.
00012 
00013    You should have received a copy of the GNU General Public License
00014    along with this program; if not, write to the Free Software
00015    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00016 
00017 /* This is the include file that should be included 'first' in every C file. */
00018 
00019 #ifndef _global_h
00020 #define _global_h
00021 
00022 #ifndef EMBEDDED_LIBRARY
00023 #define HAVE_REPLICATION
00024 #define HAVE_EXTERNAL_CLIENT
00025 #endif
00026 
00027 #if defined( __EMX__) && !defined( MYSQL_SERVER)
00028 /* moved here to use below VOID macro redefinition */
00029 #define INCL_BASE
00030 #define INCL_NOPMAPI
00031 #include <os2.h>
00032 #endif /* __EMX__ */
00033 
00034 #ifdef __CYGWIN__
00035 /* We use a Unix API, so pretend it's not Windows */
00036 #undef WIN
00037 #undef WIN32
00038 #undef _WIN
00039 #undef _WIN32
00040 #undef _WIN64
00041 #undef __WIN__
00042 #undef __WIN32__
00043 #define HAVE_ERRNO_AS_DEFINE
00044 #endif /* __CYGWIN__ */
00045 
00046 #if defined(i386) && !defined(__i386__)
00047 #define __i386__
00048 #endif
00049 
00050 /* Macros to make switching between C and C++ mode easier */
00051 #ifdef __cplusplus
00052 #define C_MODE_START    extern "C" {
00053 #define C_MODE_END      }
00054 #else
00055 #define C_MODE_START
00056 #define C_MODE_END
00057 #endif
00058 
00059 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
00060 #include <config-win.h>
00061 #elif defined(OS2)
00062 #include <config-os2.h>
00063 #elif defined(__NETWARE__)
00064 #include <my_config.h>
00065 #include <config-netware.h>
00066 #if defined(__cplusplus) && defined(inline)
00067 #undef inline                           /* fix configure problem */
00068 #endif
00069 #else
00070 #include <my_config.h>
00071 #if defined(__cplusplus) && defined(inline)
00072 #undef inline                           /* fix configure problem */
00073 #endif
00074 #endif /* _WIN32... */
00075 
00076 /* Some defines to avoid ifdefs in the code */
00077 #ifndef NETWARE_YIELD
00078 #define NETWARE_YIELD
00079 #define NETWARE_SET_SCREEN_MODE(A)
00080 #endif
00081 
00082 /*
00083   The macros below are borrowed from include/linux/compiler.h in the
00084   Linux kernel. Use them to indicate the likelyhood of the truthfulness
00085   of a condition. This serves two purposes - newer versions of gcc will be
00086   able to optimize for branch predication, which could yield siginficant
00087   performance gains in frequently executed sections of the code, and the
00088   other reason to use them is for documentation
00089 */
00090 
00091 #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
00092 #define __builtin_expect(x, expected_value) (x)
00093 #endif
00094 
00095 #define likely(x)       __builtin_expect((x),1)
00096 #define unlikely(x)     __builtin_expect((x),0)
00097 
00098 
00099 /* Fix problem with S_ISLNK() on Linux */
00100 #if defined(HAVE_LINUXTHREADS)
00101 #undef  _GNU_SOURCE
00102 #define _GNU_SOURCE 1
00103 #endif
00104 
00105 /* The client defines this to avoid all thread code */
00106 #if defined(UNDEF_THREADS_HACK)
00107 #undef THREAD
00108 #undef HAVE_mit_thread
00109 #undef HAVE_LINUXTHREADS
00110 #undef HAVE_UNIXWARE7_THREADS
00111 #endif
00112 
00113 #ifdef HAVE_THREADS_WITHOUT_SOCKETS
00114 /* MIT pthreads does not work with unix sockets */
00115 #undef HAVE_SYS_UN_H
00116 #endif
00117 
00118 #define __EXTENSIONS__ 1        /* We want some extension */
00119 #ifndef __STDC_EXT__
00120 #define __STDC_EXT__ 1          /* To get large file support on hpux */
00121 #endif
00122 
00123 #if defined(THREAD) && !defined(__WIN__) && !defined(OS2)
00124 #ifndef _POSIX_PTHREAD_SEMANTICS
00125 #define _POSIX_PTHREAD_SEMANTICS /* We want posix threads */
00126 #endif
00127 
00128 #if !defined(SCO)
00129 #define _REENTRANT      1       /* Some thread libraries require this */
00130 #endif
00131 #if !defined(_THREAD_SAFE) && !defined(_AIX)
00132 #define _THREAD_SAFE            /* Required for OSF1 */
00133 #endif
00134 #ifndef HAVE_mit_thread
00135 #ifdef HAVE_UNIXWARE7_THREADS
00136 #include <thread.h>
00137 #else
00138 #include <pthread.h>            /* AIX must have this included first */
00139 #endif /* HAVE_UNIXWARE7_THREADS */
00140 #endif /* HAVE_mit_thread */
00141 #if !defined(SCO) && !defined(_REENTRANT)
00142 #define _REENTRANT      1       /* Threads requires reentrant code */
00143 #endif
00144 #endif /* THREAD */
00145 
00146 /* Go around some bugs in different OS and compilers */
00147 #ifdef _AIX                     /* By soren@t.dk */
00148 #define _H_STRINGS
00149 #define _SYS_STREAM_H
00150 /* #define _AIX32_CURSES */     /* XXX: this breaks AIX 4.3.3 (others?). */
00151 #define ulonglong2double(A) my_ulonglong2double(A)
00152 #define my_off_t2double(A)  my_ulonglong2double(A)
00153 C_MODE_START
00154 double my_ulonglong2double(unsigned long long A);
00155 C_MODE_END
00156 #endif /* _AIX */
00157 
00158 #ifdef HAVE_BROKEN_SNPRINTF     /* HPUX 10.20 don't have this defined */
00159 #undef HAVE_SNPRINTF
00160 #endif
00161 #ifdef HAVE_BROKEN_PREAD
00162 /*
00163   pread()/pwrite() are not 64 bit safe on HP-UX 11.0 without
00164   installing the kernel patch PHKL_20349 or greater
00165 */
00166 #undef HAVE_PREAD
00167 #undef HAVE_PWRITE
00168 #endif
00169 #if defined(HAVE_BROKEN_INLINE) && !defined(__cplusplus)
00170 #undef inline
00171 #define inline
00172 #endif
00173 
00174 #ifdef UNDEF_HAVE_GETHOSTBYNAME_R               /* For OSF4.x */
00175 #undef HAVE_GETHOSTBYNAME_R
00176 #endif
00177 #ifdef UNDEF_HAVE_INITGROUPS                    /* For AIX 4.3 */
00178 #undef HAVE_INITGROUPS
00179 #endif
00180 
00181 /* gcc/egcs issues */
00182 
00183 #if defined(__GNUC) && defined(__EXCEPTIONS)
00184 #error "Please add -fno-exceptions to CXXFLAGS and reconfigure/recompile"
00185 #endif
00186 
00187 
00188 /* Fix a bug in gcc 2.8.0 on IRIX 6.2 */
00189 #if SIZEOF_LONG == 4 && defined(__LONG_MAX__)
00190 #undef __LONG_MAX__             /* Is a longlong value in gcc 2.8.0 ??? */
00191 #define __LONG_MAX__ 2147483647
00192 #endif
00193 
00194 /* Fix problem when linking c++ programs with gcc 3.x */
00195 #ifdef DEFINE_CXA_PURE_VIRTUAL
00196 #define FIX_GCC_LINKING_PROBLEM \
00197 C_MODE_START int __cxa_pure_virtual() {\
00198   DBUG_ASSERT("Pure virtual method called." == "Aborted");\
00199   return 0;\
00200 } C_MODE_END
00201 #else
00202 #define FIX_GCC_LINKING_PROBLEM
00203 #endif
00204 
00205 /* egcs 1.1.2 has a problem with memcpy on Alpha */
00206 #if defined(__GNUC__) && defined(__alpha__) && ! (__GNUC__ > 2 || (__GNUC__ == 2 &&  __GNUC_MINOR__ >= 95))
00207 #define BAD_MEMCPY
00208 #endif
00209 
00210 /* In Linux-alpha we have atomic.h if we are using gcc */
00211 #if defined(HAVE_LINUXTHREADS) && defined(__GNUC__) && defined(__alpha__) && (__GNUC__ > 2 || ( __GNUC__ == 2 &&  __GNUC_MINOR__ >= 95)) && !defined(HAVE_ATOMIC_ADD)
00212 #define HAVE_ATOMIC_ADD
00213 #define HAVE_ATOMIC_SUB
00214 #endif
00215 
00216 /* In Linux-ia64 including atomic.h will give us an error */
00217 #if (defined(HAVE_LINUXTHREADS) && defined(__GNUC__) && (defined(__ia64__)||defined(__powerpc64__))) || !defined(THREAD)
00218 #undef HAVE_ATOMIC_ADD
00219 #undef HAVE_ATOMIC_SUB
00220 #endif
00221 
00222 #if defined(_lint) && !defined(lint)
00223 #define lint
00224 #endif
00225 #if SIZEOF_LONG_LONG > 4 && !defined(_LONG_LONG)
00226 #define _LONG_LONG 1            /* For AIX string library */
00227 #endif
00228 
00229 #ifndef stdin
00230 #include <stdio.h>
00231 #endif
00232 #ifdef HAVE_STDLIB_H
00233 #include <stdlib.h>
00234 #endif
00235 #ifdef HAVE_STDDEF_H
00236 #include <stddef.h>
00237 #endif
00238 
00239 #include <math.h>
00240 #ifdef HAVE_LIMITS_H
00241 #include <limits.h>
00242 #endif
00243 #ifdef HAVE_FLOAT_H
00244 #include <float.h>
00245 #endif
00246 
00247 #ifdef HAVE_SYS_TYPES_H
00248 #include <sys/types.h>
00249 #endif
00250 #ifdef HAVE_FCNTL_H
00251 #include <fcntl.h>
00252 #endif
00253 #ifdef HAVE_SYS_TIMEB_H
00254 #include <sys/timeb.h>                          /* Avoid warnings on SCO */
00255 #endif
00256 #if TIME_WITH_SYS_TIME
00257 # include <sys/time.h>
00258 # include <time.h>
00259 #else
00260 # if HAVE_SYS_TIME_H
00261 #  include <sys/time.h>
00262 # else
00263 #  include <time.h>
00264 # endif
00265 #endif /* TIME_WITH_SYS_TIME */
00266 #ifdef HAVE_UNISTD_H
00267 #if defined(HAVE_OPENSSL) && !defined(__FreeBSD__) && !defined(NeXT) && !defined(__OpenBSD__)
00268 #define crypt unistd_crypt
00269 #endif
00270 #include <unistd.h>
00271 #ifdef HAVE_OPENSSL
00272 #undef crypt
00273 #endif
00274 #endif
00275 #if defined(__cplusplus) && defined(NO_CPLUSPLUS_ALLOCA)
00276 #undef HAVE_ALLOCA
00277 #undef HAVE_ALLOCA_H
00278 #endif
00279 #ifdef HAVE_ALLOCA_H
00280 #include <alloca.h>
00281 #endif
00282 #ifdef HAVE_ATOMIC_ADD
00283 #define __SMP__
00284 #ifdef HAVE_LINUX_CONFIG_H
00285 #include <linux/config.h>       /* May define CONFIG_SMP */
00286 #endif
00287 #ifndef CONFIG_SMP
00288 #define CONFIG_SMP
00289 #endif
00290 C_MODE_START
00291 #include <asm/atomic.h>
00292 C_MODE_END
00293 #endif
00294 #include <errno.h>                              /* Recommended by debian */
00295 /* We need the following to go around a problem with openssl on solaris */
00296 #if defined(HAVE_CRYPT_H)
00297 #include <crypt.h>
00298 #endif
00299 
00300 /*
00301   A lot of our programs uses asserts, so better to always include it
00302   This also fixes a problem when people uses DBUG_ASSERT without including
00303   assert.h
00304 */
00305 #include <assert.h>
00306 
00307 /* Go around some bugs in different OS and compilers */
00308 #if defined(_HPUX_SOURCE) && defined(HAVE_SYS_STREAM_H)
00309 #include <sys/stream.h>         /* HPUX 10.20 defines ulong here. UGLY !!! */
00310 #define HAVE_ULONG
00311 #endif
00312 #ifdef DONT_USE_FINITE          /* HPUX 11.x has is_finite() */
00313 #undef HAVE_FINITE
00314 #endif
00315 #if defined(HPUX10) && defined(_LARGEFILE64_SOURCE) && defined(THREAD)
00316 /* Fix bug in setrlimit */
00317 #undef setrlimit
00318 #define setrlimit cma_setrlimit64
00319 #endif
00320 
00321 #ifdef __QNXNTO__
00322 /* This has to be after include limits.h */
00323 #define HAVE_ERRNO_AS_DEFINE
00324 #define HAVE_FCNTL_LOCK
00325 #undef  HAVE_FINITE
00326 #undef  LONGLONG_MIN            /* These get wrongly defined in QNX 6.2 */
00327 #undef  LONGLONG_MAX            /* standard system library 'limits.h' */
00328 #endif
00329 
00330 /* We can not live without the following defines */
00331 
00332 #define USE_MYFUNC 1            /* Must use syscall indirection */
00333 #define MASTER 1                /* Compile without unireg */
00334 #define ENGLISH 1               /* Messages in English */
00335 #define POSIX_MISTAKE 1         /* regexp: Fix stupid spec error */
00336 #define USE_REGEX 1             /* We want the use the regex library */
00337 /* Do not define for ultra sparcs */
00338 #ifndef OS2
00339 #define USE_BMOVE512 1          /* Use this unless system bmove is faster */
00340 #endif
00341 
00342 #define QUOTE_ARG(x)            #x      /* Quote argument (before cpp) */
00343 #define STRINGIFY_ARG(x) QUOTE_ARG(x)   /* Quote argument, after cpp */
00344 
00345 /* Paranoid settings. Define I_AM_PARANOID if you are paranoid */
00346 #ifdef I_AM_PARANOID
00347 #define DONT_ALLOW_USER_CHANGE 1
00348 #define DONT_USE_MYSQL_PWD 1
00349 #endif
00350 
00351 /* Does the system remember a signal handler after a signal ? */
00352 #ifndef HAVE_BSD_SIGNALS
00353 #define DONT_REMEMBER_SIGNAL
00354 #endif
00355 
00356 /* Define void to stop lint from generating "null effekt" comments */
00357 #ifndef DONT_DEFINE_VOID
00358 #ifdef _lint
00359 int     __void__;
00360 #define VOID(X)         (__void__ = (int) (X))
00361 #else
00362 #undef VOID
00363 #define VOID(X)         (X)
00364 #endif
00365 #endif /* DONT_DEFINE_VOID */
00366 
00367 #if defined(_lint) || defined(FORCE_INIT_OF_VARS)
00368 #define LINT_INIT(var)  var=0                   /* No uninitialize-warning */
00369 #else
00370 #define LINT_INIT(var)
00371 #endif
00372 
00373 #if defined(_lint) || defined(FORCE_INIT_OF_VARS) || defined(HAVE_purify)
00374 #define PURIFY_OR_LINT_INIT(var) var=0
00375 #else
00376 #define PURIFY_OR_LINT_INIT(var)
00377 #endif
00378 
00379 /* Define some useful general macros */
00380 #if defined(__cplusplus) && defined(__GNUC__)
00381 #define max(a, b)       ((a) >? (b))
00382 #define min(a, b)       ((a) <? (b))
00383 #elif !defined(max)
00384 #define max(a, b)       ((a) > (b) ? (a) : (b))
00385 #define min(a, b)       ((a) < (b) ? (a) : (b))
00386 #endif
00387 
00388 #if defined(__EMX__) || !defined(HAVE_UINT)
00389 typedef unsigned int uint;
00390 typedef unsigned short ushort;
00391 #endif
00392 
00393 #define CMP_NUM(a,b)    (((a) < (b)) ? -1 : ((a) == (b)) ? 0 : 1)
00394 #define sgn(a)          (((a) < 0) ? -1 : ((a) > 0) ? 1 : 0)
00395 #define swap_variables(t, a, b) { register t dummy; dummy= a; a= b; b= dummy; }
00396 #define test(a)         ((a) ? 1 : 0)
00397 #define set_if_bigger(a,b)  do { if ((a) < (b)) (a)=(b); } while(0)
00398 #define set_if_smaller(a,b) do { if ((a) > (b)) (a)=(b); } while(0)
00399 #define test_all_bits(a,b) (((a) & (b)) == (b))
00400 #define set_bits(type, bit_count) (sizeof(type)*8 <= (bit_count) ? ~(type) 0 : ((((type) 1) << (bit_count)) - (type) 1))
00401 #define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0])))
00402 #ifndef HAVE_RINT
00403 #define rint(A) floor((A)+(((A) < 0)? -0.5 : 0.5))
00404 #endif
00405 
00406 /* Define some general constants */
00407 #ifndef TRUE
00408 #define TRUE            (1)     /* Logical true */
00409 #define FALSE           (0)     /* Logical false */
00410 #endif
00411 
00412 #if defined(__GNUC__)
00413 #define function_volatile       volatile
00414 #define my_reinterpret_cast(A) reinterpret_cast<A>
00415 #define my_const_cast(A) const_cast<A>
00416 #elif !defined(my_reinterpret_cast)
00417 #define my_reinterpret_cast(A) (A)
00418 #define my_const_cast(A) (A)
00419 #endif
00420 #if !defined(__attribute__) && (defined(__cplusplus) || !defined(__GNUC__)  || __GNUC__ == 2 && __GNUC_MINOR__ < 8)
00421 #define __attribute__(A)
00422 #endif
00423 
00424 /* From old s-system.h */
00425 
00426 /*
00427   Support macros for non ansi & other old compilers. Since such
00428   things are no longer supported we do nothing. We keep then since
00429   some of our code may still be needed to upgrade old customers.
00430 */
00431 #define _VARARGS(X) X
00432 #define _STATIC_VARARGS(X) X
00433 #define _PC(X)  X
00434 
00435 #if defined(DBUG_ON) && defined(DBUG_OFF)
00436 #undef DBUG_OFF
00437 #endif
00438 
00439 #if defined(_lint) && !defined(DBUG_OFF)
00440 #define DBUG_OFF
00441 #endif
00442 
00443 #include <my_dbug.h>
00444 
00445 #define MIN_ARRAY_SIZE  0       /* Zero or One. Gcc allows zero*/
00446 #define ASCII_BITS_USED 8       /* Bit char used */
00447 #define NEAR_F                  /* No near function handling */
00448 
00449 /* Some types that is different between systems */
00450 
00451 typedef int     File;           /* File descriptor */
00452 #ifndef Socket_defined
00453 typedef int     my_socket;      /* File descriptor for sockets */
00454 #define INVALID_SOCKET -1
00455 #endif
00456 /* Type for fuctions that handles signals */
00457 #define sig_handler RETSIGTYPE
00458 C_MODE_START
00459 typedef void    (*sig_return)();/* Returns type from signal */
00460 C_MODE_END
00461 #if defined(__GNUC__) && !defined(_lint)
00462 typedef char    pchar;          /* Mixed prototypes can take char */
00463 typedef char    puchar;         /* Mixed prototypes can take char */
00464 typedef char    pbool;          /* Mixed prototypes can take char */
00465 typedef short   pshort;         /* Mixed prototypes can take short int */
00466 typedef float   pfloat;         /* Mixed prototypes can take float */
00467 #else
00468 typedef int     pchar;          /* Mixed prototypes can't take char */
00469 typedef uint    puchar;         /* Mixed prototypes can't take char */
00470 typedef int     pbool;          /* Mixed prototypes can't take char */
00471 typedef int     pshort;         /* Mixed prototypes can't take short int */
00472 typedef double  pfloat;         /* Mixed prototypes can't take float */
00473 #endif
00474 C_MODE_START
00475 typedef int     (*qsort_cmp)(const void *,const void *);
00476 typedef int     (*qsort_cmp2)(void*, const void *,const void *);
00477 C_MODE_END
00478 #ifdef HAVE_mit_thread
00479 #define qsort_t void
00480 #undef QSORT_TYPE_IS_VOID
00481 #define QSORT_TYPE_IS_VOID
00482 #else
00483 #define qsort_t RETQSORTTYPE    /* Broken GCC cant handle typedef !!!! */
00484 #endif
00485 #ifdef HAVE_mit_thread
00486 #define size_socket socklen_t   /* Type of last arg to accept */
00487 #else
00488 #ifdef HAVE_SYS_SOCKET_H
00489 #include <sys/socket.h>
00490 #endif
00491 typedef SOCKET_SIZE_TYPE size_socket;
00492 #endif
00493 
00494 #ifndef SOCKOPT_OPTLEN_TYPE
00495 #define SOCKOPT_OPTLEN_TYPE size_socket
00496 #endif
00497 
00498 /* file create flags */
00499 
00500 #ifndef O_SHARE                 /* Probably not windows */
00501 #define O_SHARE         0       /* Flag to my_open for shared files */
00502 #ifndef O_BINARY
00503 #define O_BINARY        0       /* Flag to my_open for binary files */
00504 #endif
00505 #ifndef FILE_BINARY
00506 #define FILE_BINARY     O_BINARY /* Flag to my_fopen for binary streams */
00507 #endif
00508 #ifdef HAVE_FCNTL
00509 #define HAVE_FCNTL_LOCK
00510 #define F_TO_EOF        0L      /* Param to lockf() to lock rest of file */
00511 #endif
00512 #endif /* O_SHARE */
00513 
00514 #ifndef O_TEMPORARY
00515 #define O_TEMPORARY     0
00516 #endif
00517 #ifndef O_SHORT_LIVED
00518 #define O_SHORT_LIVED   0
00519 #endif
00520 
00521 /* #define USE_RECORD_LOCK      */
00522 
00523         /* Unsigned types supported by the compiler */
00524 #define UNSINT8                 /* unsigned int8 (char) */
00525 #define UNSINT16                /* unsigned int16 */
00526 #define UNSINT32                /* unsigned int32 */
00527 
00528         /* General constants */
00529 #define SC_MAXWIDTH     256     /* Max width of screen (for error messages) */
00530 #define FN_LEN          256     /* Max file name len */
00531 #define FN_HEADLEN      253     /* Max length of filepart of file name */
00532 #define FN_EXTLEN       20      /* Max length of extension (part of FN_LEN) */
00533 #define FN_REFLEN       512     /* Max length of full path-name */
00534 #define FN_EXTCHAR      '.'
00535 #define FN_HOMELIB      '~'     /* ~/ is used as abbrev for home dir */
00536 #define FN_CURLIB       '.'     /* ./ is used as abbrev for current dir */
00537 #define FN_PARENTDIR    ".."    /* Parent directory; Must be a string */
00538 #define FN_DEVCHAR      ':'
00539 
00540 #ifndef FN_LIBCHAR
00541 #ifdef __EMX__
00542 #define FN_LIBCHAR      '\\'
00543 #define FN_ROOTDIR      "\\"
00544 #else
00545 #define FN_LIBCHAR      '/'
00546 #define FN_ROOTDIR      "/"
00547 #endif
00548 #endif
00549 #define MY_NFILE        64      /* This is only used to save filenames */
00550 #ifndef OS_FILE_LIMIT
00551 #define OS_FILE_LIMIT   65535
00552 #endif
00553 
00554 /* #define EXT_IN_LIBNAME     */
00555 /* #define FN_NO_CASE_SENCE   */
00556 /* #define FN_UPPER_CASE TRUE */
00557 
00558 /*
00559   Io buffer size; Must be a power of 2 and a multiple of 512. May be
00560   smaller what the disk page size. This influences the speed of the
00561   isam btree library. eg to big to slow.
00562 */
00563 #define IO_SIZE                 4096
00564 /*
00565   How much overhead does malloc have. The code often allocates
00566   something like 1024-MALLOC_OVERHEAD bytes
00567 */
00568 #ifdef SAFEMALLOC
00569 #define MALLOC_OVERHEAD (8+24+4)
00570 #else
00571 #define MALLOC_OVERHEAD 8
00572 #endif
00573         /* get memory in huncs */
00574 #define ONCE_ALLOC_INIT         (uint) (4096-MALLOC_OVERHEAD)
00575         /* Typical record cash */
00576 #define RECORD_CACHE_SIZE       (uint) (64*1024-MALLOC_OVERHEAD)
00577         /* Typical key cash */
00578 #define KEY_CACHE_SIZE          (uint) (8*1024*1024-MALLOC_OVERHEAD)
00579         /* Default size of a key cache block  */
00580 #define KEY_CACHE_BLOCK_SIZE    (uint) 1024
00581 
00582 
00583         /* Some things that this system doesn't have */
00584 
00585 #define NO_HASH                 /* Not needed anymore */
00586 #ifdef __WIN__
00587 #define NO_DIR_LIBRARY          /* Not standar dir-library */
00588 #define USE_MY_STAT_STRUCT      /* For my_lib */
00589 #endif
00590 
00591 /* Some defines of functions for portability */
00592 
00593 #undef remove           /* Crashes MySQL on SCO 5.0.0 */
00594 #ifndef __WIN__
00595 #ifdef OS2
00596 #define closesocket(A)  soclose(A)
00597 #else
00598 #define closesocket(A)  close(A)
00599 #endif
00600 #ifndef ulonglong2double
00601 #define ulonglong2double(A) ((double) (ulonglong) (A))
00602 #define my_off_t2double(A)  ((double) (my_off_t) (A))
00603 #endif
00604 #endif
00605 
00606 #ifndef offsetof
00607 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
00608 #endif
00609 #define ulong_to_double(X) ((double) (ulong) (X))
00610 #define SET_STACK_SIZE(X)       /* Not needed on real machines */
00611 
00612 #if !defined(HAVE_mit_thread) && !defined(HAVE_STRTOK_R)
00613 #define strtok_r(A,B,C) strtok((A),(B))
00614 #endif
00615 
00616 /* Remove some things that mit_thread break or doesn't support */
00617 #if defined(HAVE_mit_thread) && defined(THREAD)
00618 #undef HAVE_PREAD
00619 #undef HAVE_REALPATH
00620 #undef HAVE_MLOCK
00621 #undef HAVE_TEMPNAM                             /* Use ours */
00622 #undef HAVE_PTHREAD_SETPRIO
00623 #undef HAVE_FTRUNCATE
00624 #undef HAVE_READLINK
00625 #endif
00626 
00627 /* This is from the old m-machine.h file */
00628 
00629 #if SIZEOF_LONG_LONG > 4
00630 #define HAVE_LONG_LONG 1
00631 #endif
00632 
00633 /*
00634   Some pre-ANSI-C99 systems like AIX 5.1 and Linux/GCC 2.95 define
00635   ULONGLONG_MAX, LONGLONG_MIN, LONGLONG_MAX; we use them if they're defined.
00636   Also on Windows we define these constants by hand in config-win.h.
00637 */
00638 
00639 #if defined(HAVE_LONG_LONG) && !defined(LONGLONG_MIN)
00640 #define LONGLONG_MIN    ((long long) 0x8000000000000000LL)
00641 #define LONGLONG_MAX    ((long long) 0x7FFFFFFFFFFFFFFFLL)
00642 #endif
00643 
00644 #if defined(HAVE_LONG_LONG) && !defined(ULONGLONG_MAX)
00645 /* First check for ANSI C99 definition: */
00646 #ifdef ULLONG_MAX
00647 #define ULONGLONG_MAX  ULLONG_MAX
00648 #else
00649 #define ULONGLONG_MAX ((unsigned long long)(~0ULL))
00650 #endif
00651 #endif /* defined (HAVE_LONG_LONG) && !defined(ULONGLONG_MAX)*/
00652 
00653 #define INT_MIN32       (~0x7FFFFFFFL)
00654 #define INT_MAX32       0x7FFFFFFFL
00655 #define UINT_MAX32      0xFFFFFFFFL
00656 #define INT_MIN24       (~0x007FFFFF)
00657 #define INT_MAX24       0x007FFFFF
00658 #define UINT_MAX24      0x00FFFFFF
00659 #define INT_MIN16       (~0x7FFF)
00660 #define INT_MAX16       0x7FFF
00661 #define UINT_MAX16      0xFFFF
00662 #define INT_MIN8        (~0x7F)
00663 #define INT_MAX8        0x7F
00664 
00665 /* From limits.h instead */
00666 #ifndef DBL_MIN
00667 #define DBL_MIN         4.94065645841246544e-324
00668 #define FLT_MIN         ((float)1.40129846432481707e-45)
00669 #endif
00670 #ifndef DBL_MAX
00671 #define DBL_MAX         1.79769313486231470e+308
00672 #define FLT_MAX         ((float)3.40282346638528860e+38)
00673 #endif
00674 
00675 #if !defined(HAVE_ISINF) && !defined(isinf)
00676 #define isinf(X)    0
00677 #endif
00678 
00679 /* Define missing math constants. */
00680 #ifndef M_PI
00681 #define M_PI 3.14159265358979323846
00682 #endif
00683 #ifndef M_E
00684 #define M_E 2.7182818284590452354
00685 #endif
00686 #ifndef M_LN2
00687 #define M_LN2 0.69314718055994530942
00688 #endif
00689 
00690 /*
00691   Max size that must be added to a so that we know Size to make
00692   adressable obj.
00693 */
00694 #if SIZEOF_CHARP == 4
00695 typedef long            my_ptrdiff_t;
00696 #else
00697 typedef long long       my_ptrdiff_t;
00698 #endif
00699 
00700 #define MY_ALIGN(A,L)   (((A) + (L) - 1) & ~((L) - 1))
00701 #define ALIGN_SIZE(A)   MY_ALIGN((A),sizeof(double))
00702 /* Size to make adressable obj. */
00703 #define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t)))
00704                          /* Offset of field f in structure t */
00705 #define OFFSET(t, f)    ((size_t)(char *)&((t *)0)->f)
00706 #define ADD_TO_PTR(ptr,size,type) (type) ((byte*) (ptr)+size)
00707 #define PTR_BYTE_DIFF(A,B) (my_ptrdiff_t) ((byte*) (A) - (byte*) (B))
00708 
00709 #define NullS           (char *) 0
00710 /* Nowdays we do not support MessyDos */
00711 #ifndef NEAR
00712 #define NEAR                            /* Who needs segments ? */
00713 #define FAR                             /* On a good machine */
00714 #ifndef HUGE_PTR
00715 #define HUGE_PTR
00716 #endif
00717 #endif
00718 #if defined(__IBMC__) || defined(__IBMCPP__)
00719 /* This was  _System _Export but caused a lot of warnings on _AIX43 */
00720 #define STDCALL
00721 #elif !defined( STDCALL)
00722 #define STDCALL
00723 #endif
00724 
00725 /* Typdefs for easyier portability */
00726 
00727 #if defined(VOIDTYPE)
00728 typedef void    *gptr;          /* Generic pointer */
00729 #else
00730 typedef char    *gptr;          /* Generic pointer */
00731 #endif
00732 #ifndef HAVE_INT_8_16_32
00733 typedef signed char int8;       /* Signed integer >= 8  bits */
00734 typedef short   int16;          /* Signed integer >= 16 bits */
00735 #endif
00736 #ifndef HAVE_UCHAR
00737 typedef unsigned char   uchar;  /* Short for unsigned char */
00738 #endif
00739 typedef unsigned char   uint8;  /* Short for unsigned integer >= 8  bits */
00740 typedef unsigned short  uint16; /* Short for unsigned integer >= 16 bits */
00741 
00742 #if SIZEOF_INT == 4
00743 #ifndef HAVE_INT_8_16_32
00744 typedef int             int32;
00745 #endif
00746 typedef unsigned int    uint32; /* Short for unsigned integer >= 32 bits */
00747 #elif SIZEOF_LONG == 4
00748 #ifndef HAVE_INT_8_16_32
00749 typedef long            int32;
00750 #endif
00751 typedef unsigned long   uint32; /* Short for unsigned integer >= 32 bits */
00752 #else
00753 error "Neither int or long is of 4 bytes width"
00754 #endif
00755 
00756 #if !defined(HAVE_ULONG) && !defined(HAVE_LINUXTHREADS) && !defined(__USE_MISC)
00757 typedef unsigned long   ulong;            /* Short for unsigned long */
00758 #endif
00759 #ifndef longlong_defined
00760 #if defined(HAVE_LONG_LONG) && SIZEOF_LONG != 8
00761 typedef unsigned long long int ulonglong; /* ulong or unsigned long long */
00762 typedef long long int   longlong;
00763 #else
00764 typedef unsigned long   ulonglong;        /* ulong or unsigned long long */
00765 typedef long            longlong;
00766 #endif
00767 #endif
00768 
00769 #if defined(NO_CLIENT_LONG_LONG)
00770 typedef unsigned long my_ulonglong;
00771 #elif defined (__WIN__)
00772 typedef unsigned __int64 my_ulonglong;
00773 #else
00774 typedef unsigned long long my_ulonglong;
00775 #endif
00776 
00777 #ifdef USE_RAID
00778 /*
00779   The following is done with a if to not get problems with pre-processors
00780   with late define evaluation
00781 */
00782 #if SIZEOF_OFF_T == 4
00783 #define SYSTEM_SIZEOF_OFF_T 4
00784 #else
00785 #define SYSTEM_SIZEOF_OFF_T 8
00786 #endif
00787 #undef  SIZEOF_OFF_T
00788 #define SIZEOF_OFF_T        8
00789 #else
00790 #define SYSTEM_SIZEOF_OFF_T SIZEOF_OFF_T
00791 #endif /* USE_RAID */
00792 
00793 #if SIZEOF_OFF_T > 4
00794 typedef ulonglong my_off_t;
00795 #else
00796 typedef unsigned long my_off_t;
00797 #endif
00798 #define MY_FILEPOS_ERROR        (~(my_off_t) 0)
00799 #if !defined(__WIN__) && !defined(OS2)
00800 typedef off_t os_off_t;
00801 #endif
00802 
00803 #if defined(__WIN__)
00804 #define socket_errno    WSAGetLastError()
00805 #define SOCKET_EINTR    WSAEINTR
00806 #define SOCKET_EAGAIN   WSAEINPROGRESS
00807 #define SOCKET_EWOULDBLOCK WSAEINPROGRESS
00808 #define SOCKET_ENFILE   ENFILE
00809 #define SOCKET_EMFILE   EMFILE
00810 #elif defined(OS2)
00811 #define socket_errno    sock_errno()
00812 #define SOCKET_EINTR    SOCEINTR
00813 #define SOCKET_EAGAIN   SOCEINPROGRESS
00814 #define SOCKET_EWOULDBLOCK SOCEWOULDBLOCK
00815 #define SOCKET_ENFILE   SOCENFILE
00816 #define SOCKET_EMFILE   SOCEMFILE
00817 #define closesocket(A)  soclose(A)
00818 #else /* Unix */
00819 #define socket_errno    errno
00820 #define closesocket(A)  close(A)
00821 #define SOCKET_EINTR    EINTR
00822 #define SOCKET_EAGAIN   EAGAIN
00823 #define SOCKET_EWOULDBLOCK EWOULDBLOCK
00824 #define SOCKET_ENFILE   ENFILE
00825 #define SOCKET_EMFILE   EMFILE
00826 #endif
00827 
00828 typedef uint8           int7;   /* Most effective integer 0 <= x <= 127 */
00829 typedef short           int15;  /* Most effective integer 0 <= x <= 32767 */
00830 typedef char            *my_string; /* String of characters */
00831 typedef unsigned long   size_s; /* Size of strings (In string-funcs) */
00832 typedef int             myf;    /* Type of MyFlags in my_funcs */
00833 #ifndef byte_defined
00834 typedef char            byte;   /* Smallest addressable unit */
00835 #endif
00836 typedef char            my_bool; /* Small bool */
00837 #if !defined(bool) && !defined(bool_defined) && (!defined(HAVE_BOOL) || !defined(__cplusplus))
00838 typedef char            bool;   /* Ordinary boolean values 0 1 */
00839 #endif
00840         /* Macros for converting *constants* to the right type */
00841 #define INT8(v)         (int8) (v)
00842 #define INT16(v)        (int16) (v)
00843 #define INT32(v)        (int32) (v)
00844 #define MYF(v)          (myf) (v)
00845 
00846 #ifndef LL
00847 #ifdef HAVE_LONG_LONG
00848 #define LL(A) A ## LL
00849 #else
00850 #define LL(A) A ## L
00851 #endif
00852 #endif
00853 
00854 #ifndef ULL
00855 #ifdef HAVE_LONG_LONG
00856 #define ULL(A) A ## ULL
00857 #else
00858 #define ULL(A) A ## UL
00859 #endif
00860 #endif
00861 
00862 /*
00863   Defines to make it possible to prioritize register assignments. No
00864   longer that important with modern compilers.
00865 */
00866 #ifndef USING_X
00867 #define reg1 register
00868 #define reg2 register
00869 #define reg3 register
00870 #define reg4 register
00871 #define reg5 register
00872 #define reg6 register
00873 #define reg7 register
00874 #define reg8 register
00875 #define reg9 register
00876 #define reg10 register
00877 #define reg11 register
00878 #define reg12 register
00879 #define reg13 register
00880 #define reg14 register
00881 #define reg15 register
00882 #define reg16 register
00883 #endif
00884 
00885 /*
00886   Sometimes we want to make sure that the variable is not put into
00887   a register in debugging mode so we can see its value in the core
00888 */
00889 
00890 #ifndef DBUG_OFF
00891 #define dbug_volatile volatile
00892 #else
00893 #define dbug_volatile
00894 #endif
00895 
00896 /* Defines for time function */
00897 #define SCALE_SEC       100
00898 #define SCALE_USEC      10000
00899 #define MY_HOW_OFTEN_TO_ALARM   2       /* How often we want info on screen */
00900 #define MY_HOW_OFTEN_TO_WRITE   1000    /* How often we want info on screen */
00901 
00902 #ifndef set_timespec
00903 #ifdef HAVE_TIMESPEC_TS_SEC
00904 #define set_timespec(ABSTIME,SEC) { (ABSTIME).ts_sec=time(0) + (time_t) (SEC); (ABSTIME).ts_nsec=0; }
00905 #else
00906 #define set_timespec(ABSTIME,SEC) \
00907 {\
00908   struct timeval tv;\
00909   gettimeofday(&tv,0);\
00910   (ABSTIME).tv_sec=tv.tv_sec+(time_t) (SEC);\
00911   (ABSTIME).tv_nsec=tv.tv_usec*1000;\
00912 }
00913 #endif /* HAVE_TIMESPEC_TS_SEC */
00914 #endif /* set_timespec */
00915 
00916 /*
00917   Define-funktions for reading and storing in machine independent format
00918   (low byte first)
00919 */
00920 
00921 /* Optimized store functions for Intel x86 */
00922 #if defined(__i386__) && !defined(_WIN64)
00923 #define sint2korr(A)    (*((int16 *) (A)))
00924 #define sint3korr(A)    ((int32) ((((uchar) (A)[2]) & 128) ? \
00925                                   (((uint32) 255L << 24) | \
00926                                    (((uint32) (uchar) (A)[2]) << 16) |\
00927                                    (((uint32) (uchar) (A)[1]) << 8) | \
00928                                    ((uint32) (uchar) (A)[0])) : \
00929                                   (((uint32) (uchar) (A)[2]) << 16) |\
00930                                   (((uint32) (uchar) (A)[1]) << 8) | \
00931                                   ((uint32) (uchar) (A)[0])))
00932 #define sint4korr(A)    (*((long *) (A)))
00933 #define uint2korr(A)    (*((uint16 *) (A)))
00934 #ifdef HAVE_purify
00935 #define uint3korr(A)    (uint32) (((uint32) ((uchar) (A)[0])) +\
00936                                   (((uint32) ((uchar) (A)[1])) << 8) +\
00937                                   (((uint32) ((uchar) (A)[2])) << 16))
00938 #else
00939 /*
00940    ATTENTION !
00941    
00942     Please, note, uint3korr reads 4 bytes (not 3) !
00943     It means, that you have to provide enough allocated space !
00944 */
00945 #define uint3korr(A)    (long) (*((unsigned int *) (A)) & 0xFFFFFF)
00946 #endif
00947 #define uint4korr(A)    (*((unsigned long *) (A)))
00948 #define uint5korr(A)    ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
00949                                     (((uint32) ((uchar) (A)[1])) << 8) +\
00950                                     (((uint32) ((uchar) (A)[2])) << 16) +\
00951                                     (((uint32) ((uchar) (A)[3])) << 24)) +\
00952                                     (((ulonglong) ((uchar) (A)[4])) << 32))
00953 #define uint8korr(A)    (*((ulonglong *) (A)))
00954 #define sint8korr(A)    (*((longlong *) (A)))
00955 #define int2store(T,A)  *((uint16*) (T))= (uint16) (A)
00956 #define int3store(T,A)  do { *(T)=  (uchar) ((A));\
00957                             *(T+1)=(uchar) (((uint) (A) >> 8));\
00958                             *(T+2)=(uchar) (((A) >> 16)); } while (0)
00959 #define int4store(T,A)  *((long *) (T))= (long) (A)
00960 #define int5store(T,A)  do { *(T)= (uchar)((A));\
00961                              *((T)+1)=(uchar) (((A) >> 8));\
00962                              *((T)+2)=(uchar) (((A) >> 16));\
00963                              *((T)+3)=(uchar) (((A) >> 24)); \
00964                              *((T)+4)=(uchar) (((A) >> 32)); } while(0)
00965 #define int8store(T,A)  *((ulonglong *) (T))= (ulonglong) (A)
00966 
00967 typedef union {
00968   double v;
00969   long m[2];
00970 } doubleget_union;
00971 #define doubleget(V,M)  \
00972 do { doubleget_union _tmp; \
00973      _tmp.m[0] = *((long*)(M)); \
00974      _tmp.m[1] = *(((long*) (M))+1); \
00975      (V) = _tmp.v; } while(0)
00976 #define doublestore(T,V) do { *((long *) T) = ((doubleget_union *)&V)->m[0]; \
00977                              *(((long *) T)+1) = ((doubleget_union *)&V)->m[1]; \
00978                          } while (0)
00979 #define float4get(V,M) do { *((long *) &(V)) = *((long*) (M)); } while(0)
00980 #define float8get(V,M) doubleget((V),(M))
00981 #define float4store(V,M) memcpy((byte*) V,(byte*) (&M),sizeof(float))
00982 #define floatstore(T,V) memcpy((byte*)(T), (byte*)(&V), sizeof(float))
00983 #define float8store(V,M) doublestore((V),(M))
00984 #endif /* __i386__ */
00985 
00986 #ifndef sint2korr
00987 /*
00988   We're here if it's not a IA-32 architecture (Win32 and UNIX IA-32 defines
00989   were done before)
00990 */
00991 #define sint2korr(A)    (int16) (((int16) ((uchar) (A)[0])) +\
00992                                  ((int16) ((int16) (A)[1]) << 8))
00993 #define sint3korr(A)    ((int32) ((((uchar) (A)[2]) & 128) ? \
00994                                   (((uint32) 255L << 24) | \
00995                                    (((uint32) (uchar) (A)[2]) << 16) |\
00996                                    (((uint32) (uchar) (A)[1]) << 8) | \
00997                                    ((uint32) (uchar) (A)[0])) : \
00998                                   (((uint32) (uchar) (A)[2]) << 16) |\
00999                                   (((uint32) (uchar) (A)[1]) << 8) | \
01000                                   ((uint32) (uchar) (A)[0])))
01001 #define sint4korr(A)    (int32) (((int32) ((uchar) (A)[0])) +\
01002                                 (((int32) ((uchar) (A)[1]) << 8)) +\
01003                                 (((int32) ((uchar) (A)[2]) << 16)) +\
01004                                 (((int32) ((int16) (A)[3]) << 24)))
01005 #define sint8korr(A)    (longlong) uint8korr(A)
01006 #define uint2korr(A)    (uint16) (((uint16) ((uchar) (A)[0])) +\
01007                                   ((uint16) ((uchar) (A)[1]) << 8))
01008 #define uint3korr(A)    (uint32) (((uint32) ((uchar) (A)[0])) +\
01009                                   (((uint32) ((uchar) (A)[1])) << 8) +\
01010                                   (((uint32) ((uchar) (A)[2])) << 16))
01011 #define uint4korr(A)    (uint32) (((uint32) ((uchar) (A)[0])) +\
01012                                   (((uint32) ((uchar) (A)[1])) << 8) +\
01013                                   (((uint32) ((uchar) (A)[2])) << 16) +\
01014                                   (((uint32) ((uchar) (A)[3])) << 24))
01015 #define uint5korr(A)    ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
01016                                     (((uint32) ((uchar) (A)[1])) << 8) +\
01017                                     (((uint32) ((uchar) (A)[2])) << 16) +\
01018                                     (((uint32) ((uchar) (A)[3])) << 24)) +\
01019                                     (((ulonglong) ((uchar) (A)[4])) << 32))
01020 #define uint8korr(A)    ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
01021                                     (((uint32) ((uchar) (A)[1])) << 8) +\
01022                                     (((uint32) ((uchar) (A)[2])) << 16) +\
01023                                     (((uint32) ((uchar) (A)[3])) << 24)) +\
01024                         (((ulonglong) (((uint32) ((uchar) (A)[4])) +\
01025                                     (((uint32) ((uchar) (A)[5])) << 8) +\
01026                                     (((uint32) ((uchar) (A)[6])) << 16) +\
01027                                     (((uint32) ((uchar) (A)[7])) << 24))) <<\
01028                                     32))
01029 #define int2store(T,A)       do { uint def_temp= (uint) (A) ;\
01030                                   *((uchar*) (T))=  (uchar)(def_temp); \
01031                                    *((uchar*) (T)+1)=(uchar)((def_temp >> 8)); \
01032                              } while(0)
01033 #define int3store(T,A)       do { /*lint -save -e734 */\
01034                                   *((uchar*)(T))=(uchar) ((A));\
01035                                   *((uchar*) (T)+1)=(uchar) (((A) >> 8));\
01036                                   *((uchar*)(T)+2)=(uchar) (((A) >> 16)); \
01037                                   /*lint -restore */} while(0)
01038 #define int4store(T,A)       do { *((char *)(T))=(char) ((A));\
01039                                   *(((char *)(T))+1)=(char) (((A) >> 8));\
01040                                   *(((char *)(T))+2)=(char) (((A) >> 16));\
01041                                   *(((char *)(T))+3)=(char) (((A) >> 24)); } while(0)
01042 #define int5store(T,A)       do { *((char *)(T))=((A));\
01043                                   *(((char *)(T))+1)=(((A) >> 8));\
01044                                   *(((char *)(T))+2)=(((A) >> 16));\
01045                                   *(((char *)(T))+3)=(((A) >> 24)); \
01046                                   *(((char *)(T))+4)=(((A) >> 32)); } while(0)
01047 #define int8store(T,A)       do { uint def_temp= (uint) (A), def_temp2= (uint) ((A) >> 32); \
01048                                   int4store((T),def_temp); \
01049                                   int4store((T+4),def_temp2); } while(0)
01050 #ifdef WORDS_BIGENDIAN
01051 #define float4store(T,A) do { *(T)= ((byte *) &A)[3];\
01052                               *((T)+1)=(char) ((byte *) &A)[2];\
01053                               *((T)+2)=(char) ((byte *) &A)[1];\
01054                               *((T)+3)=(char) ((byte *) &A)[0]; } while(0)
01055 
01056 #define float4get(V,M)   do { float def_temp;\
01057                               ((byte*) &def_temp)[0]=(M)[3];\
01058                               ((byte*) &def_temp)[1]=(M)[2];\
01059                               ((byte*) &def_temp)[2]=(M)[1];\
01060                               ((byte*) &def_temp)[3]=(M)[0];\
01061                               (V)=def_temp; } while(0)
01062 #define float8store(T,V) do { *(T)= ((byte *) &V)[7];\
01063                               *((T)+1)=(char) ((byte *) &V)[6];\
01064                               *((T)+2)=(char) ((byte *) &V)[5];\
01065                               *((T)+3)=(char) ((byte *) &V)[4];\
01066                               *((T)+4)=(char) ((byte *) &V)[3];\
01067                               *((T)+5)=(char) ((byte *) &V)[2];\
01068                               *((T)+6)=(char) ((byte *) &V)[1];\
01069                               *((T)+7)=(char) ((byte *) &V)[0]; } while(0)
01070 
01071 #define float8get(V,M)   do { double def_temp;\
01072                               ((byte*) &def_temp)[0]=(M)[7];\
01073                               ((byte*) &def_temp)[1]=(M)[6];\
01074                               ((byte*) &def_temp)[2]=(M)[5];\
01075                               ((byte*) &def_temp)[3]=(M)[4];\
01076                               ((byte*) &def_temp)[4]=(M)[3];\
01077                               ((byte*) &def_temp)[5]=(M)[2];\
01078                               ((byte*) &def_temp)[6]=(M)[1];\
01079                               ((byte*) &def_temp)[7]=(M)[0];\
01080                               (V) = def_temp; } while(0)
01081 #else
01082 #define float4get(V,M)   memcpy_fixed((byte*) &V,(byte*) (M),sizeof(float))
01083 #define float4store(V,M) memcpy_fixed((byte*) V,(byte*) (&M),sizeof(float))
01084 
01085 #if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
01086 #define doublestore(T,V) do { *(T)= ((byte *) &V)[4];\
01087                               *(((char*)T)+1)=(char) ((byte *) &V)[5];\
01088                               *(((char*)T)+2)=(char) ((byte *) &V)[6];\
01089                               *(((char*)T)+3)=(char) ((byte *) &V)[7];\
01090                               *(((char*)T)+4)=(char) ((byte *) &V)[0];\
01091                               *(((char*)T)+5)=(char) ((byte *) &V)[1];\
01092                               *(((char*)T)+6)=(char) ((byte *) &V)[2];\
01093                               *(((char*)T)+7)=(char) ((byte *) &V)[3]; }\
01094                          while(0)
01095 #define doubleget(V,M)   do { double def_temp;\
01096                               ((byte*) &def_temp)[0]=(M)[4];\
01097                               ((byte*) &def_temp)[1]=(M)[5];\
01098                               ((byte*) &def_temp)[2]=(M)[6];\
01099                               ((byte*) &def_temp)[3]=(M)[7];\
01100                               ((byte*) &def_temp)[4]=(M)[0];\
01101                               ((byte*) &def_temp)[5]=(M)[1];\
01102                               ((byte*) &def_temp)[6]=(M)[2];\
01103                               ((byte*) &def_temp)[7]=(M)[3];\
01104                               (V) = def_temp; } while(0)
01105 #endif /* __FLOAT_WORD_ORDER */
01106 
01107 #define float8get(V,M)   doubleget((V),(M))
01108 #define float8store(V,M) doublestore((V),(M))
01109 #endif /* WORDS_BIGENDIAN */
01110 
01111 #endif /* sint2korr */
01112 
01113 /*
01114   Macro for reading 32-bit integer from network byte order (big-endian)
01115   from unaligned memory location.
01116 */
01117 #define int4net(A)        (int32) (((uint32) ((uchar) (A)[3]))        |\
01118                                   (((uint32) ((uchar) (A)[2])) << 8)  |\
01119                                   (((uint32) ((uchar) (A)[1])) << 16) |\
01120                                   (((uint32) ((uchar) (A)[0])) << 24))
01121 /*
01122   Define-funktions for reading and storing in machine format from/to
01123   short/long to/from some place in memory V should be a (not
01124   register) variable, M is a pointer to byte
01125 */
01126 
01127 #ifdef WORDS_BIGENDIAN
01128 
01129 #define ushortget(V,M)  do { V = (uint16) (((uint16) ((uchar) (M)[1]))+\
01130                                  ((uint16) ((uint16) (M)[0]) << 8)); } while(0)
01131 #define shortget(V,M)   do { V = (short) (((short) ((uchar) (M)[1]))+\
01132                                  ((short) ((short) (M)[0]) << 8)); } while(0)
01133 #define longget(V,M)    do { int32 def_temp;\
01134                              ((byte*) &def_temp)[0]=(M)[0];\
01135                              ((byte*) &def_temp)[1]=(M)[1];\
01136                              ((byte*) &def_temp)[2]=(M)[2];\
01137                              ((byte*) &def_temp)[3]=(M)[3];\
01138                              (V)=def_temp; } while(0)
01139 #define ulongget(V,M)   do { uint32 def_temp;\
01140                             ((byte*) &def_temp)[0]=(M)[0];\
01141                             ((byte*) &def_temp)[1]=(M)[1];\
01142                             ((byte*) &def_temp)[2]=(M)[2];\
01143                             ((byte*) &def_temp)[3]=(M)[3];\
01144                             (V)=def_temp; } while(0)
01145 #define shortstore(T,A) do { uint def_temp=(uint) (A) ;\
01146                              *(((char*)T)+1)=(char)(def_temp); \
01147                              *(((char*)T)+0)=(char)(def_temp >> 8); } while(0)
01148 #define longstore(T,A)  do { *(((char*)T)+3)=((A));\
01149                              *(((char*)T)+2)=(((A) >> 8));\
01150                              *(((char*)T)+1)=(((A) >> 16));\
01151                              *(((char*)T)+0)=(((A) >> 24)); } while(0)
01152 
01153 #define floatstore(T,V) memcpy_fixed((byte*)(T), (byte*)(&V), sizeof(float))
01154 #define doubleget(V,M)   memcpy_fixed((byte*) &V,(byte*) (M),sizeof(double))
01155 #define doublestore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(double))
01156 #define longlongget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(ulonglong))
01157 #define longlongstore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(ulonglong))
01158 
01159 #else
01160 
01161 #define ushortget(V,M)  do { V = uint2korr(M); } while(0)
01162 #define shortget(V,M)   do { V = sint2korr(M); } while(0)
01163 #define longget(V,M)    do { V = sint4korr(M); } while(0)
01164 #define ulongget(V,M)   do { V = uint4korr(M); } while(0)
01165 #define shortstore(T,V) int2store(T,V)
01166 #define longstore(T,V)  int4store(T,V)
01167 #ifndef floatstore
01168 #define floatstore(T,V) memcpy_fixed((byte*)(T), (byte*)(&V), sizeof(float))
01169 #endif
01170 #ifndef doubleget
01171 #define doubleget(V,M)   memcpy_fixed((byte*) &V,(byte*) (M),sizeof(double))
01172 #define doublestore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(double))
01173 #endif /* doubleget */
01174 #define longlongget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(ulonglong))
01175 #define longlongstore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(ulonglong))
01176 
0