Eneboo - Documentación para desarrolladores
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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 /* to make command line shorter we'll define USE_PRAGMA_INTERFACE here */ 00047 #ifdef USE_PRAGMA_IMPLEMENTATION 00048 #define USE_PRAGMA_INTERFACE 00049 #endif 00050 00051 #if defined(i386) && !defined(__i386__) 00052 #define __i386__ 00053 #endif 00054 00055 /* Macros to make switching between C and C++ mode easier */ 00056 #ifdef __cplusplus 00057 #define C_MODE_START extern "C" { 00058 #define C_MODE_END } 00059 #else 00060 #define C_MODE_START 00061 #define C_MODE_END 00062 #endif 00063 00064 #if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32) 00065 #include <config-win.h> 00066 #elif defined(OS2) 00067 #include <config-os2.h> 00068 #elif defined(__NETWARE__) 00069 #include <my_config.h> 00070 #include <config-netware.h> 00071 #if defined(__cplusplus) && defined(inline) 00072 #undef inline /* fix configure problem */ 00073 #endif 00074 #else 00075 #include <my_config.h> 00076 #if defined(__cplusplus) && defined(inline) 00077 #undef inline /* fix configure problem */ 00078 #endif 00079 #endif /* _WIN32... */ 00080 00081 /* Some defines to avoid ifdefs in the code */ 00082 #ifndef NETWARE_YIELD 00083 #define NETWARE_YIELD 00084 #define NETWARE_SET_SCREEN_MODE(A) 00085 #endif 00086 00087 /* 00088 The macros below are borrowed from include/linux/compiler.h in the 00089 Linux kernel. Use them to indicate the likelyhood of the truthfulness 00090 of a condition. This serves two purposes - newer versions of gcc will be 00091 able to optimize for branch predication, which could yield siginficant 00092 performance gains in frequently executed sections of the code, and the 00093 other reason to use them is for documentation 00094 */ 00095 00096 #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) 00097 #define __builtin_expect(x, expected_value) (x) 00098 #endif 00099 00100 #define likely(x) __builtin_expect((x),1) 00101 #define unlikely(x) __builtin_expect((x),0) 00102 00103 00104 /* Fix problem with S_ISLNK() on Linux */ 00105 #if defined(TARGET_OS_LINUX) 00106 #undef _GNU_SOURCE 00107 #define _GNU_SOURCE 1 00108 #endif 00109 00110 /* The client defines this to avoid all thread code */ 00111 #if defined(UNDEF_THREADS_HACK) 00112 #undef THREAD 00113 #undef HAVE_mit_thread 00114 #undef HAVE_LINUXTHREADS 00115 #undef HAVE_NPTL 00116 #undef HAVE_UNIXWARE7_THREADS 00117 #endif 00118 00119 #ifdef HAVE_THREADS_WITHOUT_SOCKETS 00120 /* MIT pthreads does not work with unix sockets */ 00121 #undef HAVE_SYS_UN_H 00122 #endif 00123 00124 #define __EXTENSIONS__ 1 /* We want some extension */ 00125 #ifndef __STDC_EXT__ 00126 #define __STDC_EXT__ 1 /* To get large file support on hpux */ 00127 #endif 00128 00129 #if defined(THREAD) && !defined(__WIN__) && !defined(OS2) 00130 #ifndef _POSIX_PTHREAD_SEMANTICS 00131 #define _POSIX_PTHREAD_SEMANTICS /* We want posix threads */ 00132 #endif 00133 00134 #if !defined(SCO) 00135 #define _REENTRANT 1 /* Some thread libraries require this */ 00136 #endif 00137 #if !defined(_THREAD_SAFE) && !defined(_AIX) 00138 #define _THREAD_SAFE /* Required for OSF1 */ 00139 #endif 00140 #ifndef HAVE_mit_thread 00141 #ifdef HAVE_UNIXWARE7_THREADS 00142 #include <thread.h> 00143 #else 00144 #if defined(HPUX10) || defined(HPUX11) 00145 C_MODE_START /* HPUX needs this, signal.h bug */ 00146 #include <pthread.h> 00147 C_MODE_END 00148 #else 00149 #include <pthread.h> /* AIX must have this included first */ 00150 #endif 00151 #endif /* HAVE_UNIXWARE7_THREADS */ 00152 #endif /* HAVE_mit_thread */ 00153 #if !defined(SCO) && !defined(_REENTRANT) 00154 #define _REENTRANT 1 /* Threads requires reentrant code */ 00155 #endif 00156 #endif /* THREAD */ 00157 00158 /* Go around some bugs in different OS and compilers */ 00159 #ifdef _AIX /* By soren@t.dk */ 00160 #define _H_STRINGS 00161 #define _SYS_STREAM_H 00162 /* #define _AIX32_CURSES */ /* XXX: this breaks AIX 4.3.3 (others?). */ 00163 #define ulonglong2double(A) my_ulonglong2double(A) 00164 #define my_off_t2double(A) my_ulonglong2double(A) 00165 C_MODE_START 00166 double my_ulonglong2double(unsigned long long A); 00167 C_MODE_END 00168 #endif /* _AIX */ 00169 00170 #ifdef HAVE_BROKEN_SNPRINTF /* HPUX 10.20 don't have this defined */ 00171 #undef HAVE_SNPRINTF 00172 #endif 00173 #ifdef HAVE_BROKEN_PREAD 00174 /* 00175 pread()/pwrite() are not 64 bit safe on HP-UX 11.0 without 00176 installing the kernel patch PHKL_20349 or greater 00177 */ 00178 #undef HAVE_PREAD 00179 #undef HAVE_PWRITE 00180 #endif 00181 #if defined(HAVE_BROKEN_INLINE) && !defined(__cplusplus) 00182 #undef inline 00183 #define inline 00184 #endif 00185 00186 #ifdef UNDEF_HAVE_GETHOSTBYNAME_R /* For OSF4.x */ 00187 #undef HAVE_GETHOSTBYNAME_R 00188 #endif 00189 #ifdef UNDEF_HAVE_INITGROUPS /* For AIX 4.3 */ 00190 #undef HAVE_INITGROUPS 00191 #endif 00192 00193 /* gcc/egcs issues */ 00194 00195 #if defined(__GNUC) && defined(__EXCEPTIONS) 00196 #error "Please add -fno-exceptions to CXXFLAGS and reconfigure/recompile" 00197 #endif 00198 00199 00200 /* Fix a bug in gcc 2.8.0 on IRIX 6.2 */ 00201 #if SIZEOF_LONG == 4 && defined(__LONG_MAX__) 00202 #undef __LONG_MAX__ /* Is a longlong value in gcc 2.8.0 ??? */ 00203 #define __LONG_MAX__ 2147483647 00204 #endif 00205 00206 /* Fix problem when linking c++ programs with gcc 3.x */ 00207 #ifdef DEFINE_CXA_PURE_VIRTUAL 00208 #define FIX_GCC_LINKING_PROBLEM \ 00209 C_MODE_START int __cxa_pure_virtual() {\ 00210 DBUG_ASSERT("Pure virtual method called." == "Aborted");\ 00211 return 0;\ 00212 } C_MODE_END 00213 #else 00214 #define FIX_GCC_LINKING_PROBLEM 00215 #endif 00216 00217 /* egcs 1.1.2 has a problem with memcpy on Alpha */ 00218 #if defined(__GNUC__) && defined(__alpha__) && ! (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)) 00219 #define BAD_MEMCPY 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 #include <unistd.h> 00268 #endif 00269 #if defined(__cplusplus) && defined(NO_CPLUSPLUS_ALLOCA) 00270 #undef HAVE_ALLOCA 00271 #undef HAVE_ALLOCA_H 00272 #endif 00273 #ifdef HAVE_ALLOCA_H 00274 #include <alloca.h> 00275 #endif 00276 #ifdef HAVE_ATOMIC_ADD 00277 #define new my_arg_new 00278 #define need_to_restore_new 1 00279 C_MODE_START 00280 #include <asm/atomic.h> 00281 C_MODE_END 00282 #ifdef need_to_restore_new /* probably safer than #ifdef new */ 00283 #undef new 00284 #undef need_to_restore_new 00285 #endif 00286 #endif 00287 #include <errno.h> /* Recommended by debian */ 00288 /* We need the following to go around a problem with openssl on solaris */ 00289 #if defined(HAVE_CRYPT_H) 00290 #include <crypt.h> 00291 #endif 00292 00293 /* 00294 A lot of our programs uses asserts, so better to always include it 00295 This also fixes a problem when people uses DBUG_ASSERT without including 00296 assert.h 00297 */ 00298 #include <assert.h> 00299 00300 /* Go around some bugs in different OS and compilers */ 00301 #if defined(_HPUX_SOURCE) && defined(HAVE_SYS_STREAM_H) 00302 #include <sys/stream.h> /* HPUX 10.20 defines ulong here. UGLY !!! */ 00303 #define HAVE_ULONG 00304 #endif 00305 #ifdef DONT_USE_FINITE /* HPUX 11.x has is_finite() */ 00306 #undef HAVE_FINITE 00307 #endif 00308 #if defined(HPUX10) && defined(_LARGEFILE64_SOURCE) && defined(THREAD) 00309 /* Fix bug in setrlimit */ 00310 #undef setrlimit 00311 #define setrlimit cma_setrlimit64 00312 #endif 00313 /* Declare madvise where it is not declared for C++, like Solaris */ 00314 #if HAVE_MADVISE && !HAVE_DECL_MADVISE && defined(__cplusplus) 00315 extern "C" int madvise(void *addr, size_t len, int behav); 00316 #endif 00317 00318 #ifdef __QNXNTO__ 00319 /* This has to be after include limits.h */ 00320 #define HAVE_ERRNO_AS_DEFINE 00321 #define HAVE_FCNTL_LOCK 00322 #undef HAVE_FINITE 00323 #undef LONGLONG_MIN /* These get wrongly defined in QNX 6.2 */ 00324 #undef LONGLONG_MAX /* standard system library 'limits.h' */ 00325 #ifdef __cplusplus 00326 #define HAVE_RINT /* rint() and isnan() functions are not */ 00327 #define rint(a) std::rint(a) /* visible in C++ scope due to an error */ 00328 #define isnan(a) std::isnan(a) /* in the usr/include/math.h on QNX */ 00329 #endif 00330 #endif 00331 00332 /* We can not live without the following defines */ 00333 00334 #define USE_MYFUNC 1 /* Must use syscall indirection */ 00335 #define MASTER 1 /* Compile without unireg */ 00336 #define ENGLISH 1 /* Messages in English */ 00337 #define POSIX_MISTAKE 1 /* regexp: Fix stupid spec error */ 00338 #define USE_REGEX 1 /* We want the use the regex library */ 00339 /* Do not define for ultra sparcs */ 00340 #ifndef OS2 00341 #define USE_BMOVE512 1 /* Use this unless system bmove is faster */ 00342 #endif 00343 00344 #define QUOTE_ARG(x) #x /* Quote argument (before cpp) */ 00345 #define STRINGIFY_ARG(x) QUOTE_ARG(x) /* Quote argument, after cpp */ 00346 00347 /* Paranoid settings. Define I_AM_PARANOID if you are paranoid */ 00348 #ifdef I_AM_PARANOID 00349 #define DONT_ALLOW_USER_CHANGE 1 00350 #define DONT_USE_MYSQL_PWD 1 00351 #endif 00352 00353 /* Does the system remember a signal handler after a signal ? */ 00354 #ifndef HAVE_BSD_SIGNALS 00355 #define DONT_REMEMBER_SIGNAL 00356 #endif 00357 00358 /* Define void to stop lint from generating "null effekt" comments */ 00359 #ifndef DONT_DEFINE_VOID 00360 #ifdef _lint 00361 int __void__; 00362 #define VOID(X) (__void__ = (int) (X)) 00363 #else 00364 #undef VOID 00365 #define VOID(X) (X) 00366 #endif 00367 #endif /* DONT_DEFINE_VOID */ 00368 00369 #if defined(_lint) || defined(FORCE_INIT_OF_VARS) 00370 #define LINT_INIT(var) var=0 /* No uninitialize-warning */ 00371 #else 00372 #define LINT_INIT(var) 00373 #endif 00374 00375 #if defined(_lint) || defined(FORCE_INIT_OF_VARS) || defined(HAVE_purify) 00376 #define PURIFY_OR_LINT_INIT(var) var=0 00377 #else 00378 #define PURIFY_OR_LINT_INIT(var) 00379 #endif 00380 00381 /* Define some useful general macros */ 00382 #if !defined(max) 00383 #define max(a, b) ((a) > (b) ? (a) : (b)) 00384 #define min(a, b) ((a) < (b) ? (a) : (b)) 00385 #endif 00386 00387 #if defined(__EMX__) || !defined(HAVE_UINT) 00388 #undef HAVE_UINT 00389 #define HAVE_UINT 00390 typedef unsigned int uint; 00391 typedef unsigned short ushort; 00392 #endif 00393 00394 #define CMP_NUM(a,b) (((a) < (b)) ? -1 : ((a) == (b)) ? 0 : 1) 00395 #define sgn(a) (((a) < 0) ? -1 : ((a) > 0) ? 1 : 0) 00396 #define swap_variables(t, a, b) { register t dummy; dummy= a; a= b; b= dummy; } 00397 #define test(a) ((a) ? 1 : 0) 00398 #define set_if_bigger(a,b) do { if ((a) < (b)) (a)=(b); } while(0) 00399 #define set_if_smaller(a,b) do { if ((a) > (b)) (a)=(b); } while(0) 00400 #define test_all_bits(a,b) (((a) & (b)) == (b)) 00401 #define set_bits(type, bit_count) (sizeof(type)*8 <= (bit_count) ? ~(type) 0 : ((((type) 1) << (bit_count)) - (type) 1)) 00402 #define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0]))) 00403 #ifndef HAVE_RINT 00404 #define rint(A) floor((A)+(((A) < 0)? -0.5 : 0.5)) 00405 #endif 00406 00407 /* Define some general constants */ 00408 #ifndef TRUE 00409 #define TRUE (1) /* Logical true */ 00410 #define FALSE (0) /* Logical false */ 00411 #endif 00412 00413 #if defined(__GNUC__) 00414 #define function_volatile volatile 00415 #define my_reinterpret_cast(A) reinterpret_cast<A> 00416 #define my_const_cast(A) const_cast<A> 00417 #elif !defined(my_reinterpret_cast) 00418 #define my_reinterpret_cast(A) (A) 00419 #define my_const_cast(A) (A) 00420 #endif 00421 #if !defined(__attribute__) && (defined(__cplusplus) || !defined(__GNUC__) || __GNUC__ == 2 && __GNUC_MINOR__ < 8) 00422 #define __attribute__(A) 00423 #endif 00424 00425 /* From old s-system.h */ 00426 00427 /* 00428 Support macros for non ansi & other old compilers. Since such 00429 things are no longer supported we do nothing. We keep then since 00430 some of our code may still be needed to upgrade old customers. 00431 */ 00432 #define _VARARGS(X) X 00433 #define _STATIC_VARARGS(X) X 00434 #define _PC(X) X 00435 00436 #if defined(DBUG_ON) && defined(DBUG_OFF) 00437 #undef DBUG_OFF 00438 #endif 00439 00440 #if defined(_lint) && !defined(DBUG_OFF) 00441 #define DBUG_OFF 00442 #endif 00443 00444 #include <my_dbug.h> 00445 00446 #define MIN_ARRAY_SIZE 0 /* Zero or One. Gcc allows zero*/ 00447 #define ASCII_BITS_USED 8 /* Bit char used */ 00448 #define NEAR_F /* No near function handling */ 00449 00450 /* Some types that is different between systems */ 00451 00452 typedef int File; /* File descriptor */ 00453 #ifndef Socket_defined 00454 typedef int my_socket; /* File descriptor for sockets */ 00455 #define INVALID_SOCKET -1 00456 #endif 00457 /* Type for fuctions that handles signals */ 00458 #define sig_handler RETSIGTYPE 00459 C_MODE_START 00460 typedef void (*sig_return)();/* Returns type from signal */ 00461 C_MODE_END 00462 #if defined(__GNUC__) && !defined(_lint) 00463 typedef char pchar; /* Mixed prototypes can take char */ 00464 typedef char puchar; /* Mixed prototypes can take char */ 00465 typedef char pbool; /* Mixed prototypes can take char */ 00466 typedef short pshort; /* Mixed prototypes can take short int */ 00467 typedef float pfloat; /* Mixed prototypes can take float */ 00468 #else 00469 typedef int pchar; /* Mixed prototypes can't take char */ 00470 typedef uint puchar; /* Mixed prototypes can't take char */ 00471 typedef int pbool; /* Mixed prototypes can't take char */ 00472 typedef int pshort; /* Mixed prototypes can't take short int */ 00473 typedef double pfloat; /* Mixed prototypes can't take float */ 00474 #endif 00475 C_MODE_START 00476 typedef int (*qsort_cmp)(const void *,const void *); 00477 typedef int (*qsort_cmp2)(void*, const void *,const void *); 00478 C_MODE_END 00479 #ifdef HAVE_mit_thread 00480 #define qsort_t void 00481 #undef QSORT_TYPE_IS_VOID 00482 #define QSORT_TYPE_IS_VOID 00483 #else 00484 #define qsort_t RETQSORTTYPE /* Broken GCC cant handle typedef !!!! */ 00485 #endif 00486 #ifdef HAVE_mit_thread 00487 #define size_socket socklen_t /* Type of last arg to accept */ 00488 #else 00489 #ifdef HAVE_SYS_SOCKET_H 00490 #include <sys/socket.h> 00491 #endif 00492 typedef SOCKET_SIZE_TYPE size_socket; 00493 #endif 00494 00495 #ifndef SOCKOPT_OPTLEN_TYPE 00496 #define SOCKOPT_OPTLEN_TYPE size_socket 00497 #endif 00498 00499 /* file create flags */ 00500 00501 #ifndef O_SHARE /* Probably not windows */ 00502 #define O_SHARE 0 /* Flag to my_open for shared files */ 00503 #ifndef O_BINARY 00504 #define O_BINARY 0 /* Flag to my_open for binary files */ 00505 #endif 00506 #ifndef FILE_BINARY 00507 #define FILE_BINARY O_BINARY /* Flag to my_fopen for binary streams */ 00508 #endif 00509 #ifdef HAVE_FCNTL 00510 #define HAVE_FCNTL_LOCK 00511 #define F_TO_EOF 0L /* Param to lockf() to lock rest of file */ 00512 #endif 00513 #endif /* O_SHARE */ 00514 00515 #ifndef O_TEMPORARY 00516 #define O_TEMPORARY 0 00517 #endif 00518 #ifndef O_SHORT_LIVED 00519 #define O_SHORT_LIVED 0 00520 #endif 00521 #ifndef O_NOFOLLOW 00522 #define O_NOFOLLOW 0 00523 #endif 00524 00525 /* #define USE_RECORD_LOCK */ 00526 00527 /* Unsigned types supported by the compiler */ 00528 #define UNSINT8 /* unsigned int8 (char) */ 00529 #define UNSINT16 /* unsigned int16 */ 00530 #define UNSINT32 /* unsigned int32 */ 00531 00532 /* General constants */ 00533 #define SC_MAXWIDTH 256 /* Max width of screen (for error messages) */ 00534 #define FN_LEN 256 /* Max file name len */ 00535 #define FN_HEADLEN 253 /* Max length of filepart of file name */ 00536 #define FN_EXTLEN 20 /* Max length of extension (part of FN_LEN) */ 00537 #ifdef PATH_MAX 00538 #define FN_REFLEN PATH_MAX/* Max length of full path-name */ 00539 #else 00540 #define FN_REFLEN 512 /* Max length of full path-name */ 00541 #endif 00542 #define FN_EXTCHAR '.' 00543 #define FN_HOMELIB '~' /* ~/ is used as abbrev for home dir */ 00544 #define FN_CURLIB '.' /* ./ is used as abbrev for current dir */ 00545 #define FN_PARENTDIR ".." /* Parent directory; Must be a string */ 00546 #define FN_DEVCHAR ':' 00547 00548 #ifndef FN_LIBCHAR 00549 #ifdef __EMX__ 00550 #define FN_LIBCHAR '\\' 00551 #define FN_ROOTDIR "\\" 00552 #else 00553 #define FN_LIBCHAR '/' 00554 #define FN_ROOTDIR "/" 00555 #endif 00556 #endif 00557 #define MY_NFILE 64 /* This is only used to save filenames */ 00558 #ifndef OS_FILE_LIMIT 00559 #define OS_FILE_LIMIT 65535 00560 #endif 00561 00562 /* #define EXT_IN_LIBNAME */ 00563 /* #define FN_NO_CASE_SENCE */ 00564 /* #define FN_UPPER_CASE TRUE */ 00565 00566 /* 00567 Io buffer size; Must be a power of 2 and a multiple of 512. May be 00568 smaller what the disk page size. This influences the speed of the 00569 isam btree library. eg to big to slow. 00570 */ 00571 #define IO_SIZE 4096 00572 /* 00573 How much overhead does malloc have. The code often allocates 00574 something like 1024-MALLOC_OVERHEAD bytes 00575 */ 00576 #ifdef SAFEMALLOC 00577 #define MALLOC_OVERHEAD (8+24+4) 00578 #else 00579 #define MALLOC_OVERHEAD 8 00580 #endif 00581 /* get memory in huncs */ 00582 #define ONCE_ALLOC_INIT (uint) (4096-MALLOC_OVERHEAD) 00583 /* Typical record cash */ 00584 #define RECORD_CACHE_SIZE (uint) (64*1024-MALLOC_OVERHEAD) 00585 /* Typical key cash */ 00586 #define KEY_CACHE_SIZE (uint) (8*1024*1024-MALLOC_OVERHEAD) 00587 /* Default size of a key cache block */ 00588 #define KEY_CACHE_BLOCK_SIZE (uint) 1024 00589 00590 00591 /* Some things that this system doesn't have */ 00592 00593 #define NO_HASH /* Not needed anymore */ 00594 #ifdef __WIN__ 00595 #define NO_DIR_LIBRARY /* Not standar dir-library */ 00596 #define USE_MY_STAT_STRUCT /* For my_lib */ 00597 #endif 00598 00599 /* Some defines of functions for portability */ 00600 00601 #undef remove /* Crashes MySQL on SCO 5.0.0 */ 00602 #ifndef __WIN__ 00603 #ifdef OS2 00604 #define closesocket(A) soclose(A) 00605 #else 00606 #define closesocket(A) close(A) 00607 #endif 00608 #ifndef ulonglong2double 00609 #define ulonglong2double(A) ((double) (ulonglong) (A)) 00610 #define my_off_t2double(A) ((double) (my_off_t) (A)) 00611 #endif 00612 #endif 00613 00614 #ifndef offsetof 00615 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) 00616 #endif 00617 #define ulong_to_double(X) ((double) (ulong) (X)) 00618 #define SET_STACK_SIZE(X) /* Not needed on real machines */ 00619 00620 #if !defined(HAVE_mit_thread) && !defined(HAVE_STRTOK_R) 00621 #define strtok_r(A,B,C) strtok((A),(B)) 00622 #endif 00623 00624 /* Remove some things that mit_thread break or doesn't support */ 00625 #if defined(HAVE_mit_thread) && defined(THREAD) 00626 #undef HAVE_PREAD 00627 #undef HAVE_REALPATH 00628 #undef HAVE_MLOCK 00629 #undef HAVE_TEMPNAM /* Use ours */ 00630 #undef HAVE_PTHREAD_SETPRIO 00631 #undef HAVE_FTRUNCATE 00632 #undef HAVE_READLINK 00633 #endif 00634 00635 /* This is from the old m-machine.h file */ 00636 00637 #if SIZEOF_LONG_LONG > 4 00638 #define HAVE_LONG_LONG 1 00639 #endif 00640 00641 /* 00642 Some pre-ANSI-C99 systems like AIX 5.1 and Linux/GCC 2.95 define 00643 ULONGLONG_MAX, LONGLONG_MIN, LONGLONG_MAX; we use them if they're defined. 00644 Also on Windows we define these constants by hand in config-win.h. 00645 */ 00646 00647 #if defined(HAVE_LONG_LONG) && !defined(LONGLONG_MIN) 00648 #define LONGLONG_MIN ((long long) 0x8000000000000000LL) 00649 #define LONGLONG_MAX ((long long) 0x7FFFFFFFFFFFFFFFLL) 00650 #endif 00651 00652 #if defined(HAVE_LONG_LONG) && !defined(ULONGLONG_MAX) 00653 /* First check for ANSI C99 definition: */ 00654 #ifdef ULLONG_MAX 00655 #define ULONGLONG_MAX ULLONG_MAX 00656 #else 00657 #define ULONGLONG_MAX ((unsigned long long)(~0ULL)) 00658 #endif 00659 #endif /* defined (HAVE_LONG_LONG) && !defined(ULONGLONG_MAX)*/ 00660 00661 #define INT_MIN32 (~0x7FFFFFFFL) 00662 #define INT_MAX32 0x7FFFFFFFL 00663 #define UINT_MAX32 0xFFFFFFFFL 00664 #define INT_MIN24 (~0x007FFFFF) 00665 #define INT_MAX24 0x007FFFFF 00666 #define UINT_MAX24 0x00FFFFFF 00667 #define INT_MIN16 (~0x7FFF) 00668 #define INT_MAX16 0x7FFF 00669 #define UINT_MAX16 0xFFFF 00670 #define INT_MIN8 (~0x7F) 00671 #define INT_MAX8 0x7F 00672 00673 /* From limits.h instead */ 00674 #ifndef DBL_MIN 00675 #define DBL_MIN 4.94065645841246544e-324 00676 #define FLT_MIN ((float)1.40129846432481707e-45) 00677 #endif 00678 #ifndef DBL_MAX 00679 #define DBL_MAX 1.79769313486231470e+308 00680 #define FLT_MAX ((float)3.40282346638528860e+38) 00681 #endif 00682 00683 #if !defined(HAVE_ISINF) && !defined(isinf) 00684 #define isinf(X) 0 00685 #endif 00686 00687 /* 00688 Max size that must be added to a so that we know Size to make 00689 adressable obj. 00690 */ 00691 #if SIZEOF_CHARP == 4 00692 typedef long my_ptrdiff_t; 00693 #else 00694 typedef long long my_ptrdiff_t; 00695 #endif 00696 00697 #define MY_ALIGN(A,L) (((A) + (L) - 1) & ~((L) - 1)) 00698 #define ALIGN_SIZE(A) MY_ALIGN((A),sizeof(double)) 00699 /* Size to make adressable obj. */ 00700 #define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t))) 00701 /* Offset of field f in structure t */ 00702 #define OFFSET(t, f) ((size_t)(char *)&((t *)0)->f) 00703 #define ADD_TO_PTR(ptr,size,type) (type) ((byte*) (ptr)+size) 00704 #define PTR_BYTE_DIFF(A,B) (my_ptrdiff_t) ((byte*) (A) - (byte*) (B)) 00705 00706 #define NullS (char *) 0 00707 /* Nowdays we do not support MessyDos */ 00708 #ifndef NEAR 00709 #define NEAR /* Who needs segments ? */ 00710 #define FAR /* On a good machine */ 00711 #ifndef HUGE_PTR 00712 #define HUGE_PTR 00713 #endif 00714 #endif 00715 #if defined(__IBMC__) || defined(__IBMCPP__) 00716 /* This was _System _Export but caused a lot of warnings on _AIX43 */ 00717 #define STDCALL 00718 #elif !defined( STDCALL) 00719 #define STDCALL 00720 #endif 00721 00722 /* Typdefs for easyier portability */ 00723 00724 #if defined(VOIDTYPE) 00725 typedef void *gptr; /* Generic pointer */ 00726 #else 00727 typedef char *gptr; /* Generic pointer */ 00728 #endif 00729 #ifndef HAVE_INT_8_16_32 00730 typedef signed char int8; /* Signed integer >= 8 bits */ 00731 typedef short int16; /* Signed integer >= 16 bits */ 00732 #endif 00733 #ifndef HAVE_UCHAR 00734 typedef unsigned char uchar; /* Short for unsigned char */ 00735 #endif 00736 typedef unsigned char uint8; /* Short for unsigned integer >= 8 bits */ 00737 typedef unsigned short uint16; /* Short for unsigned integer >= 16 bits */ 00738 00739 #if SIZEOF_INT == 4 00740 #ifndef HAVE_INT_8_16_32 00741 typedef int int32; 00742 #endif 00743 typedef unsigned int uint32; /* Short for unsigned integer >= 32 bits */ 00744 #elif SIZEOF_LONG == 4 00745 #ifndef HAVE_INT_8_16_32 00746 typedef long int32; 00747 #endif 00748 typedef unsigned long uint32; /* Short for unsigned integer >= 32 bits */ 00749 #else 00750 error "Neither int or long is of 4 bytes width" 00751 #endif 00752 00753 #if !defined(HAVE_ULONG) && !defined(TARGET_OS_LINUX) && !defined(__USE_MISC) 00754 typedef unsigned long ulong; /* Short for unsigned long */ 00755 #endif 00756 #ifndef longlong_defined 00757 #if defined(HAVE_LONG_LONG) && SIZEOF_LONG != 8 00758 typedef unsigned long long int ulonglong; /* ulong or unsigned long long */ 00759 typedef long long int longlong; 00760 #else 00761 typedef unsigned long ulonglong; /* ulong or unsigned long long */ 00762 typedef long longlong; 00763 #endif 00764 #endif 00765 00766 #if defined(NO_CLIENT_LONG_LONG) 00767 typedef unsigned long my_ulonglong; 00768 #elif defined (__WIN__) 00769 typedef unsigned __int64 my_ulonglong; 00770 #else 00771 typedef unsigned long long my_ulonglong; 00772 #endif 00773 00774 #ifdef USE_RAID 00775 /* 00776 The following is done with a if to not get problems with pre-processors 00777 with late define evaluation 00778 */ 00779 #if SIZEOF_OFF_T == 4 00780 #define SYSTEM_SIZEOF_OFF_T 4 00781 #else 00782 #define SYSTEM_SIZEOF_OFF_T 8 00783 #endif 00784 #undef SIZEOF_OFF_T 00785 #define SIZEOF_OFF_T 8 00786 #else 00787 #define SYSTEM_SIZEOF_OFF_T SIZEOF_OFF_T 00788 #endif /* USE_RAID */ 00789 00790 #if SIZEOF_OFF_T > 4 00791 typedef ulonglong my_off_t; 00792 #else 00793 typedef unsigned long my_off_t; 00794 #endif 00795 #define MY_FILEPOS_ERROR (~(my_off_t) 0) 00796 #if !defined(__WIN__) && !defined(OS2) 00797 typedef off_t os_off_t; 00798 #endif 00799 00800 #if defined(__WIN__) 00801 #define socket_errno WSAGetLastError() 00802 #define SOCKET_EINTR WSAEINTR 00803 #define SOCKET_EAGAIN WSAEINPROGRESS 00804 #define SOCKET_ETIMEDOUT WSAETIMEDOUT 00805 #define SOCKET_EWOULDBLOCK WSAEWOULDBLOCK 00806 #define SOCKET_ENFILE ENFILE 00807 #define SOCKET_EMFILE EMFILE 00808 #elif defined(OS2) 00809 #define socket_errno sock_errno() 00810 #define SOCKET_EINTR SOCEINTR 00811 #define SOCKET_EAGAIN SOCEINPROGRESS 00812 #define SOCKET_ETIMEDOUT SOCKET_EINTR 00813 #define SOCKET_EWOULDBLOCK SOCEWOULDBLOCK 00814 #define SOCKET_ENFILE SOCENFILE 00815 #define SOCKET_EMFILE SOCEMFILE 00816 #define closesocket(A) soclose(A) 00817 #else /* Unix */ 00818 #define socket_errno errno 00819 #define closesocket(A) close(A) 00820 #define SOCKET_EINTR EINTR 00821 #define SOCKET_EAGAIN EAGAIN 00822 #define SOCKET_ETIMEDOUT SOCKET_EINTR 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 floatget(V,M) memcpy((byte*) &V,(byte*) (M),sizeof(float)) 00984 #define float8store(V,M) doublestore((V),(M)) 00985 #endif /* __i386__ */ 00986 00987 #ifndef sint2korr 00988 /* 00989 We're here if it's not a IA-32 architecture (Win32 and UNIX IA-32 defines 00990 were done before) 00991 */ 00992 #define sint2korr(A) (int16) (((int16) ((uchar) (A)[0])) +\ 00993 ((int16) ((int16) (A)[1]) << 8)) 00994 #define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \ 00995 (((uint32) 255L << 24) | \ 00996 (((uint32) (uchar) (A)[2]) << 16) |\ 00997 (((uint32) (uchar) (A)[1]) << 8) | \ 00998 ((uint32) (uchar) (A)[0])) : \ 00999 (((uint32) (uchar) (A)[2]) << 16) |\ 01000 (((uint32) (uchar) (A)[1]) << 8) | \ 01001 ((uint32) (uchar) (A)[0]))) 01002 #define sint4korr(A) (int32) (((int32) ((uchar) (A)[0])) +\ 01003 (((int32) ((uchar) (A)[1]) << 8)) +\ 01004 (((int32) ((uchar) (A)[2]) << 16)) +\ 01005 (((int32) ((int16) (A)[3]) << 24))) 01006 #define sint8korr(A) (longlong) uint8korr(A) 01007 #define uint2korr(A) (uint16) (((uint16) ((uchar) (A)[0])) +\ 01008 ((uint16) ((uchar) (A)[1]) << 8)) 01009 #define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\ 01010 (((uint32) ((uchar) (A)[1])) << 8) +\ 01011 (((uint32) ((uchar) (A)[2])) << 16)) 01012 #define uint4korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\ 01013 (((uint32) ((uchar) (A)[1])) << 8) +\ 01014 (((uint32) ((uchar) (A)[2])) << 16) +\ 01015 (((uint32) ((uchar) (A)[3])) << 24)) 01016 #define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\ 01017 (((uint32) ((uchar) (A)[1])) << 8) +\ 01018 (((uint32) ((uchar) (A)[2])) << 16) +\ 01019 (((uint32) ((uchar) (A)[3])) << 24)) +\ 01020 (((ulonglong) ((uchar) (A)[4])) << 32)) 01021 #define uint8korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\ 01022 (((uint32) ((uchar) (A)[1])) << 8) +\ 01023 (((uint32) ((uchar) (A)[2])) << 16) +\ 01024 (((uint32) ((uchar) (A)[3])) << 24)) +\ 01025 (((ulonglong) (((uint32) ((uchar) (A)[4])) +\ 01026 (((uint32) ((uchar) (A)[5])) << 8) +\ 01027 (((uint32) ((uchar) (A)[6])) << 16) +\ 01028 (((uint32) ((uchar) (A)[7])) << 24))) <<\ 01029 32)) 01030 #define int2store(T,A) do { uint def_temp= (uint) (A) ;\ 01031 *((uchar*) (T))= (uchar)(def_temp); \ 01032 *((uchar*) (T)+1)=(uchar)((def_temp >> 8)); \ 01033 } while(0) 01034 #define int3store(T,A) do { /*lint -save -e734 */\ 01035 *((uchar*)(T))=(uchar) ((A));\ 01036 *((uchar*) (T)+1)=(uchar) (((A) >> 8));\ 01037 *((uchar*)(T)+2)=(uchar) (((A) >> 16)); \ 01038 /*lint -restore */} while(0) 01039 #define int4store(T,A) do { *((char *)(T))=(char) ((A));\ 01040 *(((char *)(T))+1)=(char) (((A) >> 8));\ 01041 *(((char *)(T))+2)=(char) (((A) >> 16));\ 01042 *(((char *)(T))+3)=(char) (((A) >> 24)); } while(0) 01043 #define int5store(T,A) do { *((char *)(T))=((A));\ 01044 *(((char *)(T))+1)=(((A) >> 8));\ 01045 *(((char *)(T))+2)=(((A) >> 16));\ 01046 *(((char *)(T))+3)=(((A) >> 24)); \ 01047 *(((char *)(T))+4)=(((A) >> 32)); } while(0) 01048 #define int8store(T,A) do { uint def_temp= (uint) (A), def_temp2= (uint) ((A) >> 32); \ 01049 int4store((T),def_temp); \ 01050 int4store((T+4),def_temp2); } while(0) 01051 #ifdef WORDS_BIGENDIAN 01052 #define float4store(T,A) do { *(T)= ((byte *) &A)[3];\ 01053 *((T)+1)=(char) ((byte *) &A)[2];\ 01054 *((T)+2)=(char) ((byte *) &A)[1];\ 01055 *((T)+3)=(char) ((byte *) &A)[0]; } while(0) 01056 01057 #define float4get(V,M) do { float def_temp;\ 01058 ((byte*) &def_temp)[0]=(M)[3];\ 01059 ((byte*) &def_temp)[1]=(M)[2];\ 01060 ((byte*) &def_temp)[2]=(M)[1];\ 01061 ((byte*) &def_temp)[3]=(M)[0];\ 01062 (V)=def_temp; } while(0) 01063 #define float8store(T,V) do { *(T)= ((byte *) &V)[7];\ 01064 *((T)+1)=(char) ((byte *) &V)[6];\ 01065 *((T)+2)=(char) ((byte *) &V)[5];\ 01066 *((T)+3)=(char) ((byte *) &V)[4];\ 01067 *((T)+4)=(char) ((byte *) &V)[3];\ 01068 *((T)+5)=(char) ((byte *) &V)[2];\ 01069 *((T)+6)=(char) ((byte *) &V)[1];\ 01070 *((T)+7)=(char) ((byte *) &V)[0]; } while(0) 01071 01072 #define float8get(V,M) do { double def_temp;\ 01073 ((byte*) &def_temp)[0]=(M)[7];\ 01074 ((byte*) &def_temp)[1]=(M)[6];\ 01075 ((byte*) &def_temp)[2]=(M)[5];\ 01076 ((byte*) &def_temp)[3]=(M)[4];\ 01077 ((byte*) &def_temp)[4]=(M)[3];\ 01078 ((byte*) &def_temp)[5]=(M)[2];\ 01079 ((byte*) &def_temp)[6]=(M)[1];\ 01080 ((byte*) &def_temp)[7]=(M)[0];\ 01081 (V) = def_temp; } while(0) 01082 #else 01083 #define float4get(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(float)) 01084 #define float4store(V,M) memcpy_fixed((byte*) V,(byte*) (&M),sizeof(float)) 01085 01086 #if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN) 01087 #define doublestore(T,V) do { *(((char*)T)+0)=(char) ((byte *) &V)[4];\ 01088 *(((char*)T)+1)=(char) ((byte *) &V)[5];\ 01089 *(((char*)T)+2)=(char) ((byte *) &V)[6];\ 01090 *(((char*)T)+3)=(char) ((byte *) &V)[7];\ 01091 *(((char*)T)+4)=(char) ((byte *) &V)[0];\ 01092 *(((char*)T)+5)=(char) ((byte *) &V)[1];\ 01093 *(((char*)T)+6)=(char) ((byte *) &V)[2];\ 01094 *(((char*)T)+7)=(char) ((byte *) &V)[3]; }\ 01095 while(0) 01096 #define doubleget(V,M) do { double def_temp;\ 01097 ((byte*) &def_temp)[0]=(M)[4];\ 01098 ((byte*) &def_temp)[1]=(M)[5];\ 01099 ((byte*) &def_temp)[2]=(M)[6];\ 01100 ((byte*) &def_temp)[3]=(M)[7];\ 01101 ((byte*) &def_temp)[4]=(M)[0];\ 01102 ((byte*) &def_temp)[5]=(M)[1];\ 01103 ((byte*) &def_temp)[6]=(M)[2];\ 01104 ((byte*) &def_temp)[7]=(M)[3];\ 01105 (V) = def_temp; } while(0) 01106 #endif /* __FLOAT_WORD_ORDER */ 01107 01108 #define float8get(V,M) doubleget((V),(M)) 01109 #define float8store(V,M) doublestore((V),(M)) 01110 #endif /* WORDS_BIGENDIAN */ 01111 01112 #endif /* sint2korr */ 01113 01114 /* 01115 Macro for reading 32-bit integer from network byte order (big-endian) 01116 from unaligned memory location. 01117 */ 01118 #define int4net(A) (int32) (((uint32) ((uchar) (A)[3])) |\ 01119 (((uint32) ((uchar) (A)[2])) << 8) |\ 01120 (((uint32) ((uchar) (A)[1])) << 16) |\ 01121 (((uint32) ((uchar) (A)[0])) << 24)) 01122 /* 01123 Define-funktions for reading and storing in machine format from/to 01124 short/long to/from some place in memory V should be a (not 01125 register) variable, M is a pointer to byte 01126 */ 01127 01128 #ifdef WORDS_BIGENDIAN 01129 01130 #define ushortget(V,M) do { V = (uint16) (((uint16) ((uchar) (M)[1]))+\ 01131 ((uint16) ((uint16) (M)[0]) << 8)); } while(0) 01132 #define shortget(V,M) do { V = (short) (((short) ((uchar) (M)[1]))+\ 01133 ((short) ((short) (M)[0]) << 8)); } while(0) 01134 #define longget(V,M) do { int32 def_temp;\ 01135 ((byte*) &def_temp)[0]=(M)[0];\ 01136 ((byte*) &def_temp)[1]=(M)[1];\ 01137 ((byte*) &def_temp)[2]=(M)[2];\ 01138 ((byte*) &def_temp)[3]=(M)[3];\ 01139 (V)=def_temp; } while(0) 01140 #define ulongget(V,M) do { uint32 def_temp;\ 01141 ((byte*) &def_temp)[0]=(M)[0];\ 01142 ((byte*) &def_temp)[1]=(M)[1];\ 01143 ((byte*) &def_temp)[2]=(M)[2];\ 01144 ((byte*) &def_temp)[3]=(M)[3];\ 01145 (V)=def_temp; } while(0) 01146 #define shortstore(T,A) do { uint def_temp=(uint) (A) ;\ 01147 *(((char*)T)+1)=(char)(def_temp); \ 01148 *(((char*)T)+0)=(char)(def_temp >> 8); } while(0) 01149 #define longstore(T,A) do { *(((char*)T)+3)=((A));\ 01150 *(((char*)T)+2)=(((A) >> 8));\ 01151 *(((char*)T)+1)=(((A) >> 16));\ 01152 *(((char*)T)+0)=(((A) >> 24)); } while(0) 01153 01154 #define floatget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(float)) 01155 #define floatstore(T,V) memcpy_fixed((byte*) (T),(byte*)(&V),sizeof(float)) 01156 #define doubleget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(double)) 01157 #define doublestore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(double)) 01158 #define longlongget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(ulonglong)) 01159 #define longlongstore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(ulonglong)) 01160 01161 #else 01162 01163 #define ushortget(V,M) do { V = uint2korr(M); } while(0) 01164 #define shortget(V,M) do { V = sint2korr(M); } while(0) 01165 #define longget(V,M) do { V = sint4korr(M); } while(0) 01166 #define ulongget(V,M) do { V = uint4korr(M); } while(0) 01167 #define shortstore(T,V) int2store(T,V) 01168 #define longstore(T,V) int4store(T,V) 01169 #ifndef floatstore 01170 #define floatstore(T,V) memcpy_fixed((byte*) (T),(byte*) (&V),sizeof(float)) 01171 #define floatget(V,M) memcpy_fixed((byte*) &V, (byte*) (M), sizeof(float)) 01172 #endif 01173 #ifndef doubleget 01174 #define doubleget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(double)) 01175 #define doublestore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(double)) 01176 #endif /* doubleget */ 01177 #define longlongget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(ulonglong)) 01178 #define longlongstore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(ulonglong)) 01179 01180 #endif /* WORDS_BIGENDIAN */ 01181 01182 /* sprintf does not always return the number of bytes :- */ 01183 #ifdef SPRINTF_RETURNS_INT 01184 #define my_sprintf(buff,args) sprintf args 01185 #else 01186 #ifdef SPRINTF_RETURNS_PTR 01187 #define my_sprintf(buff,args) ((int)(sprintf args - buff)) 01188 #else 01189 #define my_sprintf(buff,args) ((ulong) sprintf args, (ulong) strlen(buff)) 01190 #endif 01191 #endif 01192 01193 #ifndef THREAD 01194 #define thread_safe_increment(V,L) (V)++ 01195 #define thread_safe_add(V,C,L) (V)+=(C) 01196 #define thread_safe_sub(V,C,L) (V)-=(C) 01197 #define statistic_increment(V,L) (V)++ 01198 #define statistic_add(V,C,L) (V)+=(C) 01199 #endif 01200 01201 #ifdef HAVE_CHARSET_utf8 01202 #define MYSQL_UNIVERSAL_CLIENT_CHARSET "utf8" 01203 #else 01204 #define MYSQL_UNIVERSAL_CLIENT_CHARSET MYSQL_DEFAULT_CHARSET_NAME 01205 #endif 01206 01207 #if defined(EMBEDDED_LIBRARY) && !defined(HAVE_EMBEDDED_PRIVILEGE_CONTROL) 01208 #define NO_EMBEDDED_ACCESS_CHECKS 01209 #endif 01210 01211 #endif /* my_global_h */