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Diffstat (limited to 'externals/mysql/my_global.h')
-rw-r--r-- | externals/mysql/my_global.h | 1616 |
1 files changed, 1616 insertions, 0 deletions
diff --git a/externals/mysql/my_global.h b/externals/mysql/my_global.h new file mode 100644 index 00000000000..131507c0bc5 --- /dev/null +++ b/externals/mysql/my_global.h @@ -0,0 +1,1616 @@ +/* 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; version 2 of the License. + + 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 + +/* + InnoDB depends on some MySQL internals which other plugins should not + need. This is because of InnoDB's foreign key support, "safe" binlog + truncation, and other similar legacy features. + + We define accessors for these internals unconditionally, but do not + expose them in mysql/plugin.h. They are declared in ha_innodb.h for + InnoDB's use. +*/ +#define INNODB_COMPATIBILITY_HOOKS + +#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__ */ + +#if defined(__QNXNTO__) && !defined(FD_SETSIZE) +#define FD_SETSIZE 1024 /* Max number of file descriptor bits in + fd_set, used when calling 'select' + Must be defined before including + "sys/select.h" and "sys/time.h" + */ +#endif + + +/* 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 } +#define STATIC_CAST(TYPE) static_cast<TYPE> +#else +#define C_MODE_START +#define C_MODE_END +#define STATIC_CAST(TYPE) (TYPE) +#endif + +#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32) +#include <config-win.h> +#else +#include <my_config.h> +#if defined(__cplusplus) && defined(inline) +#undef inline /* fix configure problem */ +#endif +#endif /* _WIN32... */ + +#include <my_charsets.h> + +/* Make it easier to add conditional code for windows */ +#ifdef __WIN__ +#define IF_WIN(A,B) (A) +#else +#define IF_WIN(A,B) (B) +#endif + +#ifndef EMBEDDED_LIBRARY +#ifdef WITH_NDB_BINLOG +#define HAVE_NDB_BINLOG 1 +#endif +#endif /* !EMBEDDED_LIBRARY */ + +#ifndef EMBEDDED_LIBRARY +#define HAVE_REPLICATION +#define HAVE_EXTERNAL_CLIENT +#endif + +/* Some defines to avoid ifdefs in the code */ +#ifndef NETWARE_YIELD +#define NETWARE_YIELD +#define NETWARE_SET_SCREEN_MODE(A) +#endif + +/* Workaround for _LARGE_FILES and _LARGE_FILE_API incompatibility on AIX */ +#if defined(_AIX) && defined(_LARGE_FILE_API) +#undef _LARGE_FILE_API +#endif + +/* + The macros below are used to allow build of Universal/fat binaries of + MySQL and MySQL applications under darwin. +*/ +#if defined(__APPLE__) && defined(__MACH__) +# undef SIZEOF_CHARP +# undef SIZEOF_SHORT +# undef SIZEOF_INT +# undef SIZEOF_LONG +# undef SIZEOF_LONG_LONG +# undef SIZEOF_OFF_T +# undef WORDS_BIGENDIAN +# define SIZEOF_SHORT 2 +# define SIZEOF_INT 4 +# define SIZEOF_LONG_LONG 8 +# define SIZEOF_OFF_T 8 +# if defined(__i386__) || defined(__ppc__) +# define SIZEOF_CHARP 4 +# define SIZEOF_LONG 4 +# elif defined(__x86_64__) || defined(__ppc64__) +# define SIZEOF_CHARP 8 +# define SIZEOF_LONG 8 +# else +# error Building FAT binary for an unknown architecture. +# endif +# if defined(__ppc__) || defined(__ppc64__) +# define WORDS_BIGENDIAN +# endif +#endif /* defined(__APPLE__) && defined(__MACH__) */ + + +/* + 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 + +/** + The semantics of builtin_expect() are that + 1) its two arguments are long + 2) it's likely that they are == + Those of our likely(x) are that x can be bool/int/longlong/pointer. +*/ +#define likely(x) __builtin_expect(((x) != 0),1) +#define unlikely(x) __builtin_expect(((x) != 0),0) + +/* + The macros below are useful in optimising places where it has been + discovered that cache misses stall the process and where a prefetch + of the cache line can improve matters. This is available in GCC 3.1.1 + and later versions. + PREFETCH_READ says that addr is going to be used for reading and that + it is to be kept in caches if possible for a while + PREFETCH_WRITE also says that the item to be cached is likely to be + updated. + The *LOCALITY scripts are also available for experimentation purposes + mostly and should only be used if they are verified to improve matters. + For more input see GCC manual (available in GCC 3.1.1 and later) +*/ + +#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR > 10) +#define PREFETCH_READ(addr) __builtin_prefetch(addr, 0, 3) +#define PREFETCH_WRITE(addr) \ + __builtin_prefetch(addr, 1, 3) +#define PREFETCH_READ_LOCALITY(addr, locality) \ + __builtin_prefetch(addr, 0, locality) +#define PREFETCH_WRITE_LOCALITY(addr, locality) \ + __builtin_prefetch(addr, 1, locality) +#else +#define PREFETCH_READ(addr) +#define PREFETCH_READ_LOCALITY(addr, locality) +#define PREFETCH_WRITE(addr) +#define PREFETCH_WRITE_LOCALITY(addr, locality) +#endif + +/* + The following macro is used to ensure that code often used in most + SQL statements and definitely for parts of the SQL processing are + kept in a code segment by itself. This has the advantage that the + risk of common code being overlapping in caches of the CPU is less. + This can be a cause of big performance problems. + Routines should be put in this category with care and when they are + put there one should also strive to make as much of the error handling + as possible (or uncommon code of the routine) to execute in a + separate method to avoid moving to much code to this code segment. + + It is very easy to use, simply add HOT_METHOD at the end of the + function declaration. + For more input see GCC manual (available in GCC 2.95 and later) +*/ + +#if (__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR > 94) +#define HOT_METHOD \ + __attribute__ ((section ("hot_code_section"))) +#else +#define HOT_METHOD +#endif + +/* + The following macro is used to ensure that popular global variables + are located next to each other to avoid that they contend for the + same cache lines. + + It is very easy to use, simply add HOT_DATA at the end of the declaration + of the variable, the variable must be initialised because of the way + that linker works so a declaration using HOT_DATA should look like: + uint global_hot_data HOT_DATA = 0; + For more input see GCC manual (available in GCC 2.95 and later) +*/ + +#if (__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR > 94) +#define HOT_DATA \ + __attribute__ ((section ("hot_data_section"))) +#else +#define HOT_DATA +#endif + +/* + now let's figure out if inline functions are supported + autoconf defines 'inline' to be empty, if not +*/ +#define inline_test_1(X) X ## 1 +#define inline_test_2(X) inline_test_1(X) +#if inline_test_2(inline) != 1 +#define HAVE_INLINE +#endif +#undef inline_test_2 +#undef inline_test_1 +/* helper macro for "instantiating" inline functions */ +#define STATIC_INLINE static inline + +/* + The following macros are used to control inlining a bit more than + usual. These macros are used to ensure that inlining always or + never occurs (independent of compilation mode). + For more input see GCC manual (available in GCC 3.1.1 and later) +*/ + +#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR > 10) +#define ALWAYS_INLINE __attribute__ ((always_inline)) +#define NEVER_INLINE __attribute__ ((noinline)) +#else +#define ALWAYS_INLINE +#define NEVER_INLINE +#endif + + +/* Fix problem with S_ISLNK() on Linux */ +#if defined(TARGET_OS_LINUX) || defined(__GLIBC__) +#undef _GNU_SOURCE +#define _GNU_SOURCE 1 +#endif + +/* + Temporary solution to solve bug#7156. Include "sys/types.h" before + the thread headers, else the function madvise() will not be defined +*/ +#if defined(HAVE_SYS_TYPES_H) && ( defined(sun) || defined(__sun) ) +#include <sys/types.h> +#endif + +/* The client defines this to avoid all thread code */ +#if defined(UNDEF_THREADS_HACK) +#undef THREAD +#undef HAVE_LINUXTHREADS +#undef HAVE_NPTL +#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 + +/* + Solaris 9 include file <sys/feature_tests.h> refers to X/Open document + + System Interfaces and Headers, Issue 5 + + saying we should define _XOPEN_SOURCE=500 to get POSIX.1c prototypes, + but apparently other systems (namely FreeBSD) don't agree. + + On a newer Solaris 10, the above file recognizes also _XOPEN_SOURCE=600. + Furthermore, it tests that if a program requires older standard + (_XOPEN_SOURCE<600 or _POSIX_C_SOURCE<200112L) it cannot be + run on a new compiler (that defines _STDC_C99) and issues an #error. + It's also an #error if a program requires new standard (_XOPEN_SOURCE=600 + or _POSIX_C_SOURCE=200112L) and a compiler does not define _STDC_C99. + + To add more to this mess, Sun Studio C compiler defines _STDC_C99 while + C++ compiler does not! + + So, in a desperate attempt to get correct prototypes for both + C and C++ code, we define either _XOPEN_SOURCE=600 or _XOPEN_SOURCE=500 + depending on the compiler's announced C standard support. + + Cleaner solutions are welcome. +*/ +#ifdef __sun +#if __STDC_VERSION__ - 0 >= 199901L +#define _XOPEN_SOURCE 600 +#else +#define _XOPEN_SOURCE 500 +#endif +#endif + +#if defined(THREAD) && !defined(__WIN__) +#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 +#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 +#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__) && (__GNUC__ == 2 && __GNUC_MINOR__ == 8) +#undef __LONG_MAX__ /* Is a longlong value in gcc 2.8.0 ??? */ +#define __LONG_MAX__ 2147483647 +#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 +#include <stdarg.h> +#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_FENV_H +#include <fenv.h> /* For fesetround() */ +#endif + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.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 + +#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> + +/* an assert that works at compile-time. only for constant expression */ +#ifdef _some_old_compiler_that_does_not_understand_the_construct_below_ +#define compile_time_assert(X) do { } while(0) +#else +#define compile_time_assert(X) \ + do \ + { \ + typedef char compile_time_assert[(X) ? 1 : -1]; \ + } while(0) +#endif + +/* Go around some bugs in different OS and compilers */ +#if defined (HPUX11) && defined(_LARGEFILE_SOURCE) +#define _LARGEFILE64_SOURCE +#endif +#if defined(_HPUX_SOURCE) && defined(HAVE_SYS_STREAM_H) +#include <sys/stream.h> /* HPUX 10.20 defines ulong here. UGLY !!! */ +#define HAVE_ULONG +#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' */ +#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 */ +#define USE_BMOVE512 1 /* Use this unless system bmove is faster */ + +#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 + +#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 + +#if !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) { t swap_dummy; swap_dummy= a; a= b; b= swap_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]))) + +/* 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> +# ifndef GCC_VERSION +# define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__) +# endif +#elif !defined(my_reinterpret_cast) +#define my_reinterpret_cast(A) (A) +#define my_const_cast(A) (A) +#endif + +#include <my_attribute.h> + +/* + Wen using the embedded library, users might run into link problems, + duplicate declaration of __cxa_pure_virtual, solved by declaring it a + weak symbol. +*/ +#if defined(USE_MYSYS_NEW) && ! defined(DONT_DECLARE_CXA_PURE_VIRTUAL) +C_MODE_START +int __cxa_pure_virtual () __attribute__ ((weak)); +C_MODE_END +#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 + +/* The DBUG_ON flag always takes precedence over default DBUG_OFF */ +#if defined(DBUG_ON) && defined(DBUG_OFF) +#undef DBUG_OFF +#endif + +/* We might be forced to turn debug off, if not turned off already */ +#if (defined(FORCE_DBUG_OFF) || defined(_lint)) && !defined(DBUG_OFF) +# define DBUG_OFF +# ifdef DBUG_ON +# undef DBUG_ON +# endif +#endif + +typedef char my_bool; /* Small bool */ +#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 void +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 +#define qsort_t RETQSORTTYPE /* Broken GCC cant handle typedef !!!! */ +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#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 + +/* additional file share flags for win32 */ +#ifdef __WIN__ +#define _SH_DENYRWD 0x110 /* deny read/write mode & delete */ +#define _SH_DENYWRD 0x120 /* deny write mode & delete */ +#define _SH_DENYRDD 0x130 /* deny read mode & delete */ +#define _SH_DENYDEL 0x140 /* deny delete only */ +#endif /* __WIN__ */ + + +/* #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 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) */ +#define FN_REFLEN 512 /* Max length of full path-name */ +#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 */ + +#ifndef FN_LIBCHAR +#define FN_LIBCHAR '/' +#define FN_ROOTDIR "/" +#endif + +/* + MY_FILE_MIN is Windows speciality and is used to quickly detect + the mismatch of CRT and mysys file IO usage on Windows at runtime. + CRT file descriptors can be in the range 0-2047, whereas descriptors returned + by my_open() will start with 2048. If a file descriptor with value less then + MY_FILE_MIN is passed to mysys IO function, chances are it stemms from + open()/fileno() and not my_open()/my_fileno. + + For Posix, mysys functions are light wrappers around libc, and MY_FILE_MIN + is logically 0. +*/ + +#ifdef _WIN32 +#define MY_FILE_MIN 2048 +#else +#define MY_FILE_MIN 0 +#endif + +/* + MY_NFILE is the default size of my_file_info array. + + It is larger on Windows, because it all file handles are stored in my_file_info + Default size is 16384 and this should be enough for most cases.If it is not + enough, --max-open-files with larger value can be used. + + For Posix , my_file_info array is only used to store filenames for + error reporting and its size is not a limitation for number of open files. +*/ +#ifdef _WIN32 +#define MY_NFILE (16384 + MY_FILE_MIN) +#else +#define MY_NFILE 64 +#endif + +#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 _WIN32 +#define NO_DIR_LIBRARY /* Not standard dir-library */ +#endif + +/* Some defines of functions for portability */ + +#undef remove /* Crashes MySQL on SCO 5.0.0 */ +#ifndef __WIN__ +#define closesocket(A) close(A) +#ifndef ulonglong2double +#define ulonglong2double(A) ((double) (ulonglong) (A)) +#define my_off_t2double(A) ((double) (my_off_t) (A)) +#endif +#ifndef double2ulonglong +#define double2ulonglong(A) ((ulonglong) (double) (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 */ + +#ifndef STACK_DIRECTION +#error "please add -DSTACK_DIRECTION=1 or -1 to your CPPFLAGS" +#endif + +#if !defined(HAVE_STRTOK_R) +inline char *strtok_r(char *str, const char *delim, char **saveptr) +{ + return strtok(str,delim); +} +#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 +#define UINT_MAX8 0xFF + +/* 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 +#ifndef SIZE_T_MAX +#define SIZE_T_MAX ~((size_t) 0) +#endif + +#ifndef isfinite +#ifdef HAVE_FINITE +#define isfinite(x) finite(x) +#else +#define finite(x) (1.0 / fabs(x) > 0.0) +#endif /* HAVE_FINITE */ +#endif /* isfinite */ + +#ifndef HAVE_ISNAN +#define isnan(x) ((x) != (x)) +#endif + +#ifdef HAVE_ISINF +/* Check if C compiler is affected by GCC bug #39228 */ +#if !defined(__cplusplus) && defined(HAVE_BROKEN_ISINF) +/* Force store/reload of the argument to/from a 64-bit double */ +static inline double my_isinf(double x) +{ + volatile double t= x; + return isinf(t); +} +#else +/* System-provided isinf() is available and safe to use */ +#define my_isinf(X) isinf(X) +#endif +#else /* !HAVE_ISINF */ +#define my_isinf(X) (!finite(X) && !isnan(X)) +#endif + +/* Define missing math constants. */ +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif +#ifndef M_E +#define M_E 2.7182818284590452354 +#endif +#ifndef M_LN2 +#define M_LN2 0.69314718055994530942 +#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) ((uchar*) (ptr)+size) +#define PTR_BYTE_DIFF(A,B) (my_ptrdiff_t) ((uchar*) (A) - (uchar*) (B)) + +#define MY_DIV_UP(A, B) (((A) + (B) - 1) / (B)) +#define MY_ALIGNED_BYTE_ARRAY(N, S, T) T N[MY_DIV_UP(S, sizeof(T))] + +/* + Custom version of standard offsetof() macro which can be used to get + offsets of members in class for non-POD types (according to the current + version of C++ standard offsetof() macro can't be used in such cases and + attempt to do so causes warnings to be emitted, OTOH in many cases it is + still OK to assume that all instances of the class has the same offsets + for the same members). + + This is temporary solution which should be removed once File_parser class + and related routines are refactored. +*/ + +#define my_offsetof(TYPE, MEMBER) \ + ((size_t)((char *)&(((TYPE *)0x10)->MEMBER) - (char*)0x10)) + +#define NullS STATIC_CAST(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 */ + +#ifndef HAVE_UCHAR +typedef unsigned char uchar; /* Short for unsigned char */ +#endif + +#ifndef HAVE_INT8 +typedef signed char int8; /* Signed integer >= 8 bits */ +#endif +#ifndef HAVE_UINT8 +typedef unsigned char uint8; /* Unsigned integer >= 8 bits */ +#endif +#ifndef HAVE_INT16 +typedef short int16; +#endif +#ifndef HAVE_UINT16 +typedef unsigned short uint16; +#endif +#if SIZEOF_INT == 4 +#ifndef HAVE_INT32 +typedef int int32; +#endif +#ifndef HAVE_UINT32 +typedef unsigned int uint32; +#endif +#elif SIZEOF_LONG == 4 +#ifndef HAVE_INT32 +typedef long int32; +#endif +#ifndef HAVE_UINT32 +typedef unsigned long uint32; +#endif +#else +#error Neither int or long is of 4 bytes width +#endif + +#if !defined(HAVE_ULONG) && !defined(__USE_MISC) +typedef unsigned long ulong; /* Short for unsigned long */ +#endif +#ifndef longlong_defined +/* + Using [unsigned] long long is preferable as [u]longlong because we use + [unsigned] long long unconditionally in many places, + for example in constants with [U]LL suffix. +*/ +#if defined(HAVE_LONG_LONG) && SIZEOF_LONG_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 +#ifndef HAVE_INT64 +typedef longlong int64; +#endif +#ifndef HAVE_UINT64 +typedef ulonglong uint64; +#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 + +#if SIZEOF_CHARP == SIZEOF_INT +typedef int intptr; +#elif SIZEOF_CHARP == SIZEOF_LONG +typedef long intptr; +#elif SIZEOF_CHARP == SIZEOF_LONG_LONG +typedef long long intptr; +#else +#error sizeof(void *) is neither sizeof(int) nor sizeof(long) nor sizeof(long long) +#endif + +#define MY_ERRPTR ((void*)(intptr)1) + +#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 (~STATIC_CAST(my_off_t)(0)) +#if !defined(__WIN__) +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_EADDRINUSE WSAEADDRINUSE +#define SOCKET_ENFILE ENFILE +#define SOCKET_EMFILE EMFILE +#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_EADDRINUSE EADDRINUSE +#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 int myf; /* Type of MyFlags in my_funcs */ + /* 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) STATIC_CAST(myf)(v) + +/* + 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 + +/* Some helper macros */ +#define YESNO(X) ((X) ? "yes" : "no") + +/* 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 10000 /* How often we want info on screen */ + +/* + Define-funktions for reading and storing in machine independent format + (low byte first) +*/ + +/* Optimized store functions for Intel x86 */ +#if defined(__i386__) || defined(_WIN32) +#define sint2korr(A) (*((const 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) (*((const long *) (A))) +#define uint2korr(A) (*((const uint16 *) (A))) +#if defined(HAVE_purify) && !defined(_WIN32) +#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) (*((const unsigned int *) (A)) & 0xFFFFFF) +#endif /* HAVE_purify && !_WIN32 */ +#define uint4korr(A) (*((const uint32 *) (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 uint6korr(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) + \ + (((ulonglong) ((uchar) (A)[5])) << 40)) +#define uint8korr(A) (*((const ulonglong *) (A))) +#define sint8korr(A) (*((const 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 int6store(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)); \ + *((T)+5)=(uchar) (((A) >> 40)); } 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] = *((const long*)(M)); \ + _tmp.m[1] = *(((const long*) (M))+1); \ + (V) = _tmp.v; } while(0) +#define doublestore(T,V) do { *((long *) T) = ((const doubleget_union *)&V)->m[0]; \ + *(((long *) T)+1) = ((const doubleget_union *)&V)->m[1]; \ + } while (0) +#define float4get(V,M) do { *((float *) &(V)) = *((const float*) (M)); } while(0) +#define float8get(V,M) doubleget((V),(M)) +#define float4store(V,M) memcpy((uchar*) V,(const uchar*) (&M),sizeof(float)) +#define floatstore(T,V) memcpy((uchar*)(T), (const uchar*)(&V),sizeof(float)) +#define floatget(V,M) memcpy((uchar*) &V,(const uchar*) (M),sizeof(float)) +#define float8store(V,M) doublestore((V),(M)) +#else + +/* + 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) | \ + ((uint32) (uchar) (A)[0]))) +#define sint4korr(A) (int32) (((int32) ((uchar) (A)[0])) +\ + (((int32) ((uchar) (A)[1]) << 8)) +\ + (((int32) ((uchar) (A)[2]) << 16)) +\ + (((int32) ((int16) (A)[3]) << 24))) +#define sint8korr(A) (longlong) uint8korr(A) +#define uint2korr(A) (uint16) (((uint16) ((uchar) (A)[0])) +\ + ((uint16) ((uchar) (A)[1]) << 8)) +#define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\ + (((uint32) ((uchar) (A)[1])) << 8) +\ + (((uint32) ((uchar) (A)[2])) << 16)) +#define uint4korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\ + (((uint32) ((uchar) (A)[1])) << 8) +\ + (((uint32) ((uchar) (A)[2])) << 16) +\ + (((uint32) ((uchar) (A)[3])) << 24)) +#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 uint6korr(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) + \ + (((ulonglong) ((uchar) (A)[5])) << 40)) +#define uint8korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\ + (((uint32) ((uchar) (A)[1])) << 8) +\ + (((uint32) ((uchar) (A)[2])) << 16) +\ + (((uint32) ((uchar) (A)[3])) << 24)) +\ + (((ulonglong) (((uint32) ((uchar) (A)[4])) +\ + (((uint32) ((uchar) (A)[5])) << 8) +\ + (((uint32) ((uchar) (A)[6])) << 16) +\ + (((uint32) ((uchar) (A)[7])) << 24))) <<\ + 32)) +#define int2store(T,A) do { uint def_temp= (uint) (A) ;\ + *((uchar*) (T))= (uchar)(def_temp); \ + *((uchar*) (T)+1)=(uchar)((def_temp >> 8)); \ + } while(0) +#define int3store(T,A) do { /*lint -save -e734 */\ + *((uchar*)(T))=(uchar) ((A));\ + *((uchar*) (T)+1)=(uchar) (((A) >> 8));\ + *((uchar*)(T)+2)=(uchar) (((A) >> 16)); \ + /*lint -restore */} while(0) +#define int4store(T,A) do { *((char *)(T))=(char) ((A));\ + *(((char *)(T))+1)=(char) (((A) >> 8));\ + *(((char *)(T))+2)=(char) (((A) >> 16));\ + *(((char *)(T))+3)=(char) (((A) >> 24)); } while(0) +#define int5store(T,A) do { *((char *)(T))= (char)((A)); \ + *(((char *)(T))+1)= (char)(((A) >> 8)); \ + *(((char *)(T))+2)= (char)(((A) >> 16)); \ + *(((char *)(T))+3)= (char)(((A) >> 24)); \ + *(((char *)(T))+4)= (char)(((A) >> 32)); \ + } while(0) +#define int6store(T,A) do { *((char *)(T))= (char)((A)); \ + *(((char *)(T))+1)= (char)(((A) >> 8)); \ + *(((char *)(T))+2)= (char)(((A) >> 16)); \ + *(((char *)(T))+3)= (char)(((A) >> 24)); \ + *(((char *)(T))+4)= (char)(((A) >> 32)); \ + *(((char *)(T))+5)= (char)(((A) >> 40)); \ + } while(0) +#define int8store(T,A) do { uint def_temp= (uint) (A), def_temp2= (uint) ((A) >> 32); \ + int4store((T),def_temp); \ + int4store((T+4),def_temp2); } while(0) +#ifdef WORDS_BIGENDIAN +#define float4store(T,A) do { *(T)= ((uchar *) &A)[3];\ + *((T)+1)=(char) ((uchar *) &A)[2];\ + *((T)+2)=(char) ((uchar *) &A)[1];\ + *((T)+3)=(char) ((uchar *) &A)[0]; } while(0) + +#define float4get(V,M) do { float def_temp;\ + ((uchar*) &def_temp)[0]=(M)[3];\ + ((uchar*) &def_temp)[1]=(M)[2];\ + ((uchar*) &def_temp)[2]=(M)[1];\ + ((uchar*) &def_temp)[3]=(M)[0];\ + (V)=def_temp; } while(0) +#define float8store(T,V) do { *(T)= ((uchar *) &V)[7];\ + *((T)+1)=(char) ((uchar *) &V)[6];\ + *((T)+2)=(char) ((uchar *) &V)[5];\ + *((T)+3)=(char) ((uchar *) &V)[4];\ + *((T)+4)=(char) ((uchar *) &V)[3];\ + *((T)+5)=(char) ((uchar *) &V)[2];\ + *((T)+6)=(char) ((uchar *) &V)[1];\ + *((T)+7)=(char) ((uchar *) &V)[0]; } while(0) + +#define float8get(V,M) do { double def_temp;\ + ((uchar*) &def_temp)[0]=(M)[7];\ + ((uchar*) &def_temp)[1]=(M)[6];\ + ((uchar*) &def_temp)[2]=(M)[5];\ + ((uchar*) &def_temp)[3]=(M)[4];\ + ((uchar*) &def_temp)[4]=(M)[3];\ + ((uchar*) &def_temp)[5]=(M)[2];\ + ((uchar*) &def_temp)[6]=(M)[1];\ + ((uchar*) &def_temp)[7]=(M)[0];\ + (V) = def_temp; } while(0) +#else +#define float4get(V,M) memcpy_fixed((uchar*) &V,(uchar*) (M),sizeof(float)) +#define float4store(V,M) memcpy_fixed((uchar*) V,(uchar*) (&M),sizeof(float)) + +#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN) +#define doublestore(T,V) do { *(((char*)T)+0)=(char) ((uchar *) &V)[4];\ + *(((char*)T)+1)=(char) ((uchar *) &V)[5];\ + *(((char*)T)+2)=(char) ((uchar *) &V)[6];\ + *(((char*)T)+3)=(char) ((uchar *) &V)[7];\ + *(((char*)T)+4)=(char) ((uchar *) &V)[0];\ + *(((char*)T)+5)=(char) ((uchar *) &V)[1];\ + *(((char*)T)+6)=(char) ((uchar *) &V)[2];\ + *(((char*)T)+7)=(char) ((uchar *) &V)[3]; }\ + while(0) +#define doubleget(V,M) do { double def_temp;\ + ((uchar*) &def_temp)[0]=(M)[4];\ + ((uchar*) &def_temp)[1]=(M)[5];\ + ((uchar*) &def_temp)[2]=(M)[6];\ + ((uchar*) &def_temp)[3]=(M)[7];\ + ((uchar*) &def_temp)[4]=(M)[0];\ + ((uchar*) &def_temp)[5]=(M)[1];\ + ((uchar*) &def_temp)[6]=(M)[2];\ + ((uchar*) &def_temp)[7]=(M)[3];\ + (V) = def_temp; } while(0) +#endif /* __FLOAT_WORD_ORDER */ + +#define float8get(V,M) doubleget((V),(M)) +#define float8store(V,M) doublestore((V),(M)) +#endif /* WORDS_BIGENDIAN */ + +#endif /* __i386__ OR _WIN32 */ + +/* + Macro for reading 32-bit integer from network byte order (big-endian) + from unaligned memory location. +*/ +#define int4net(A) (int32) (((uint32) ((uchar) (A)[3])) |\ + (((uint32) ((uchar) (A)[2])) << 8) |\ + (((uint32) ((uchar) (A)[1])) << 16) |\ + (((uint32) ((uchar) (A)[0])) << 24)) +/* + Define-funktions for reading and storing in machine format from/to + short/long to/from some place in memory V should be a (not + register) variable, M is a pointer to byte +*/ + +#ifdef WORDS_BIGENDIAN + +#define ushortget(V,M) do { V = (uint16) (((uint16) ((uchar) (M)[1]))+\ + ((uint16) ((uint16) (M)[0]) << 8)); } while(0) +#define shortget(V,M) do { V = (short) (((short) ((uchar) (M)[1]))+\ + ((short) ((short) (M)[0]) << 8)); } while(0) +#define longget(V,M) do { int32 def_temp;\ + ((uchar*) &def_temp)[0]=(M)[0];\ + ((uchar*) &def_temp)[1]=(M)[1];\ + ((uchar*) &def_temp)[2]=(M)[2];\ + ((uchar*) &def_temp)[3]=(M)[3];\ + (V)=def_temp; } while(0) +#define ulongget(V,M) do { uint32 def_temp;\ + ((uchar*) &def_temp)[0]=(M)[0];\ + ((uchar*) &def_temp)[1]=(M)[1];\ + ((uchar*) &def_temp)[2]=(M)[2];\ + ((uchar*) &def_temp)[3]=(M)[3];\ + (V)=def_temp; } while(0) +#define shortstore(T,A) do { uint def_temp=(uint) (A) ;\ + *(((char*)T)+1)=(char)(def_temp); \ + *(((char*)T)+0)=(char)(def_temp >> 8); } while(0) +#define longstore(T,A) do { *(((char*)T)+3)=((A));\ + *(((char*)T)+2)=(((A) >> 8));\ + *(((char*)T)+1)=(((A) >> 16));\ + *(((char*)T)+0)=(((A) >> 24)); } while(0) + +#define floatget(V,M) memcpy_fixed((uchar*) &V,(uchar*) (M),sizeof(float)) +#define floatstore(T,V) memcpy_fixed((uchar*) (T),(uchar*)(&V),sizeof(float)) +#define doubleget(V,M) memcpy_fixed((uchar*) &V,(uchar*) (M),sizeof(double)) +#define doublestore(T,V) memcpy_fixed((uchar*) (T),(uchar*) &V,sizeof(double)) +#define longlongget(V,M) memcpy_fixed((uchar*) &V,(uchar*) (M),sizeof(ulonglong)) +#define longlongstore(T,V) memcpy_fixed((uchar*) (T),(uchar*) &V,sizeof(ulonglong)) + +#else + +#define ushortget(V,M) do { V = uint2korr(M); } while(0) +#define shortget(V,M) do { V = sint2korr(M); } while(0) +#define longget(V,M) do { V = sint4korr(M); } while(0) +#define ulongget(V,M) do { V = uint4korr(M); } while(0) +#define shortstore(T,V) int2store(T,V) +#define longstore(T,V) int4store(T,V) +#ifndef floatstore +#define floatstore(T,V) memcpy_fixed((uchar*) (T),(uchar*) (&V),sizeof(float)) +#define floatget(V,M) memcpy_fixed((uchar*) &V, (uchar*) (M), sizeof(float)) +#endif +#ifndef doubleget +#define doubleget(V,M) memcpy_fixed((uchar*) &V,(uchar*) (M),sizeof(double)) +#define doublestore(T,V) memcpy_fixed((uchar*) (T),(uchar*) &V,sizeof(double)) +#endif /* doubleget */ +#define longlongget(V,M) memcpy_fixed((uchar*) &V,(uchar*) (M),sizeof(ulonglong)) +#define longlongstore(T,V) memcpy_fixed((uchar*) (T),(uchar*) &V,sizeof(ulonglong)) + +#endif /* WORDS_BIGENDIAN */ + +/* sprintf does not always return the number of bytes :- */ +#ifdef SPRINTF_RETURNS_INT +#define my_sprintf(buff,args) sprintf args +#else +#ifdef SPRINTF_RETURNS_PTR +#define my_sprintf(buff,args) ((int)(sprintf args - buff)) +#else +#define my_sprintf(buff,args) ((ulong) sprintf args, (ulong) strlen(buff)) +#endif +#endif + +#ifndef THREAD +#define thread_safe_increment(V,L) (V)++ +#define thread_safe_decrement(V,L) (V)-- +#define thread_safe_add(V,C,L) (V)+=(C) +#define thread_safe_sub(V,C,L) (V)-=(C) +#define statistic_increment(V,L) (V)++ +#define statistic_decrement(V,L) (V)-- +#define statistic_add(V,C,L) (V)+=(C) +#define statistic_sub(V,C,L) (V)-=(C) +#endif + +#if defined(HAVE_CHARSET_utf8mb3) || defined(HAVE_CHARSET_utf8mb4) +#define MYSQL_UNIVERSAL_CLIENT_CHARSET "utf8" +#else +#define MYSQL_UNIVERSAL_CLIENT_CHARSET MYSQL_DEFAULT_CHARSET_NAME +#endif + +#if defined(EMBEDDED_LIBRARY) && !defined(HAVE_EMBEDDED_PRIVILEGE_CONTROL) +#define NO_EMBEDDED_ACCESS_CHECKS +#endif + +#ifdef HAVE_DLOPEN +#if defined(__WIN__) +#define dlsym(lib, name) GetProcAddress((HMODULE)lib, name) +#define dlopen(libname, unused) LoadLibraryEx(libname, NULL, 0) +#define dlclose(lib) FreeLibrary((HMODULE)lib) +#elif defined(HAVE_DLFCN_H) +#include <dlfcn.h> +#endif +#endif + +/* FreeBSD 2.2.2 does not define RTLD_NOW) */ +#ifndef RTLD_NOW +#define RTLD_NOW 1 +#endif + +#ifndef HAVE_DLERROR +#define dlerror() "" +#endif + + +#ifndef __NETWARE__ +/* + * Include standard definitions of operator new and delete. + */ +#ifdef __cplusplus +#include <new> +#endif +#else +/* + * Define placement versions of operator new and operator delete since + * we don't have <new> when building for Netware. + */ +#ifdef __cplusplus +inline void *operator new(size_t, void *ptr) { return ptr; } +inline void *operator new[](size_t, void *ptr) { return ptr; } +inline void operator delete(void*, void*) { /* Do nothing */ } +inline void operator delete[](void*, void*) { /* Do nothing */ } +#endif +#endif + +/* Length of decimal number represented by INT32. */ +#define MY_INT32_NUM_DECIMAL_DIGITS 11 + +/* Length of decimal number represented by INT64. */ +#define MY_INT64_NUM_DECIMAL_DIGITS 21 + +/* Define some useful general macros (should be done after all headers). */ +#if !defined(max) +#define max(a, b) ((a) > (b) ? (a) : (b)) +#define min(a, b) ((a) < (b) ? (a) : (b)) +#endif +/* + Only Linux is known to need an explicit sync of the directory to make sure a + file creation/deletion/renaming in(from,to) this directory durable. +*/ +#ifdef TARGET_OS_LINUX +#define NEED_EXPLICIT_SYNC_DIR 1 +#else +/* + On linux default rwlock scheduling policy is good enough for + waiting_threads.c, on other systems use our special implementation + (which is slower). + + QQ perhaps this should be tested in configure ? how ? +*/ +#define WT_RWLOCKS_USE_MUTEXES 1 +#endif + +#if !defined(__cplusplus) && !defined(bool) +#define bool In_C_you_should_use_my_bool_instead() +#endif + +/* Provide __func__ macro definition for platforms that miss it. */ +#if __STDC_VERSION__ < 199901L +# if __GNUC__ >= 2 +# define __func__ __FUNCTION__ +# else +# define __func__ "<unknown>" +# endif +#elif defined(_MSC_VER) +# if _MSC_VER < 1300 +# define __func__ "<unknown>" +# else +# define __func__ __FUNCTION__ +# endif +#elif defined(__BORLANDC__) +# define __func__ __FUNC__ +#else +# define __func__ "<unknown>" +#endif + +#ifndef HAVE_RINT +/** + All integers up to this number can be represented exactly as double precision + values (DBL_MANT_DIG == 53 for IEEE 754 hardware). +*/ +#define MAX_EXACT_INTEGER ((1LL << DBL_MANT_DIG) - 1) + +/** + rint(3) implementation for platforms that do not have it. + Always rounds to the nearest integer with ties being rounded to the nearest + even integer to mimic glibc's rint() behavior in the "round-to-nearest" + FPU mode. Hardware-specific optimizations are possible (frndint on x86). + Unlike this implementation, hardware will also honor the FPU rounding mode. +*/ + +static inline double rint(double x) +{ + double f, i; + f = modf(x, &i); + + /* + All doubles with absolute values > MAX_EXACT_INTEGER are even anyway, + no need to check it. + */ + if (x > 0.0) + i += (double) ((f > 0.5) || (f == 0.5 && + i <= (double) MAX_EXACT_INTEGER && + (longlong) i % 2)); + else + i -= (double) ((f < -0.5) || (f == -0.5 && + i >= (double) -MAX_EXACT_INTEGER && + (longlong) i % 2)); + return i; +} +#endif /* HAVE_RINT */ + +/* + MYSQL_PLUGIN_IMPORT macro is used to export mysqld data + (i.e variables) for usage in storage engine loadable plugins. + Outside of Windows, it is dummy. +*/ +#ifndef MYSQL_PLUGIN_IMPORT +#if (defined(_WIN32) && defined(MYSQL_DYNAMIC_PLUGIN)) +#define MYSQL_PLUGIN_IMPORT __declspec(dllimport) +#else +#define MYSQL_PLUGIN_IMPORT +#endif +#endif + +#endif /* my_global_h */ |