source: trunk/tools/database/mysql/my_global.h

Last change on this file was 7882, checked in by bird, 24 years ago

Updated to 3.23.42-rel.
File size: 29.4 KB
Line 
1/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
2
3 This library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Library General Public
5 License as published by the Free Software Foundation; either
6 version 2 of the License, or (at your option) any later version.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public
14 License along with this library; if not, write to the Free
15 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
16 MA 02111-1307, USA */
17
18/* This is the main include file that should included 'first' in every
19 C file. */
20
21#ifndef _global_h
22#define _global_h
23
24#if defined( __EMX__) && !defined( MYSQL_SERVER)
25/* moved here to use below VOID macro redefinition */
26#define INCL_BASE
27#define INCL_NOPMAPI
28#include <os2.h>
29#endif /* __EMX__ */
30
31#ifdef __CYGWIN__
32/* We use a Unix API, so pretend it's not Windows */
33#undef WIN
34#undef WIN32
35#undef _WIN
36#undef _WIN32
37#undef _WIN64
38#undef __WIN__
39#undef __WIN32__
40#define HAVE_ERRNO_AS_DEFINE
41#endif /* __CYGWIN__ */
42
43
44#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(WIN32)
45#include <config-win.h>
46#else
47#include <my_config.h>
48#endif
49#if defined(__cplusplus)
50#if defined(inline)
51#undef inline /* fix configure problem */
52#endif
53#endif /* _cplusplus */
54
55/* Fix problem with S_ISLNK() on Linux */
56#if defined(HAVE_LINUXTHREADS)
57#undef _GNU_SOURCE
58#define _GNU_SOURCE 1
59#endif
60
61/* The client defines this to avoid all thread code */
62#if defined(UNDEF_THREADS_HACK)
63#undef THREAD
64#undef HAVE_mit_thread
65#undef HAVE_LINUXTHREADS
66#undef HAVE_UNIXWARE7_THREADS
67#endif
68
69#ifdef HAVE_THREADS_WITHOUT_SOCKETS
70/* MIT pthreads does not work with unix sockets */
71#undef HAVE_SYS_UN_H
72#endif
73
74#define __EXTENSIONS__ 1 /* We want some extension */
75#ifndef __STDC_EXT__
76#define __STDC_EXT__ 1 /* To get large file support on hpux */
77#endif
78
79#if defined(THREAD) && !defined(__WIN__)
80#ifndef _POSIX_PTHREAD_SEMANTICS
81#define _POSIX_PTHREAD_SEMANTICS /* We want posix threads */
82#endif
83/* was #if defined(HAVE_LINUXTHREADS) || defined(HAVE_DEC_THREADS) || defined(HPUX) */
84#if !defined(SCO)
85#define _REENTRANT 1 /* Some thread libraries require this */
86#endif
87#if !defined(_THREAD_SAFE) && !defined(_AIX)
88#define _THREAD_SAFE /* Required for OSF1 */
89#endif
90#ifndef HAVE_mit_thread
91#ifdef HAVE_UNIXWARE7_THREADS
92#include <thread.h>
93#else
94#include <pthread.h> /* AIX must have this included first */
95#endif /* HAVE_UNIXWARE7_THREADS */
96#endif /* HAVE_mit_thread */
97#if !defined(SCO) && !defined(_REENTRANT)
98#define _REENTRANT 1 /* Threads requires reentrant code */
99#endif
100#endif /* THREAD */
101
102/* Go around some bugs in different OS and compilers */
103#ifdef _AIX /* By soren@t.dk */
104#define _H_STRINGS
105#define _SYS_STREAM_H
106#define _AIX32_CURSES
107#endif
108
109#ifdef HAVE_BROKEN_SNPRINTF /* HPUX 10.20 don't have this defined */
110#undef HAVE_SNPRINTF
111#endif
112#ifdef HAVE_BROKEN_PREAD /* These doesn't work on HPUX 11.x */
113#undef HAVE_PREAD
114#undef HAVE_PWRITE
115#endif
116
117#ifdef UNDEF_HAVE_GETHOSTBYNAME_R /* For OSF4.x */
118#undef HAVE_GETHOSTBYNAME_R
119#endif
120#ifdef UNDEF_HAVE_INITGROUPS /* For AIX 4.3 */
121#undef HAVE_INITGROUPS
122#endif
123
124/* Fix a bug in gcc 2.8.0 on IRIX 6.2 */
125#if SIZEOF_LONG == 4 && defined(__LONG_MAX__)
126#undef __LONG_MAX__ /* Is a longlong value in gcc 2.8.0 ??? */
127#define __LONG_MAX__ 2147483647
128#endif
129
130/* egcs 1.1.2 has a problem with memcpy on Alpha */
131#if defined(__GNUC__) && defined(__alpha__) && ! (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
132#define BAD_MEMCPY
133#endif
134
135/* In Linux-alpha we have atomic.h if we are using gcc */
136#if defined(HAVE_LINUXTHREADS) && defined(__GNUC__) && defined(__alpha__) && (__GNUC__ > 2 || ( __GNUC__ == 2 && __GNUC_MINOR__ >= 95)) && !defined(HAVE_ATOMIC_ADD)
137#define HAVE_ATOMIC_ADD
138#define HAVE_ATOMIC_SUB
139#endif
140
141/* In Linux-ia64 including atomic.h will give us an error */
142#if (defined(HAVE_LINUXTHREADS) && defined(__GNUC__) && defined(__ia64__)) || !defined(THREAD)
143#undef HAVE_ATOMIC_ADD
144#undef HAVE_ATOMIC_SUB
145#endif
146
147#if defined(_lint) && !defined(lint)
148#define lint
149#endif
150#if SIZEOF_LONG_LONG > 4 && !defined(_LONG_LONG)
151#define _LONG_LONG 1 /* For AIX string library */
152#endif
153
154#ifndef stdin
155#include <stdio.h>
156#endif
157#ifdef HAVE_STDLIB_H
158#include <stdlib.h>
159#endif
160#ifdef HAVE_STDDEF_H
161#include <stddef.h>
162#endif
163
164#include <math.h>
165#ifdef HAVE_LIMITS_H
166#include <limits.h>
167#endif
168#ifdef HAVE_FLOAT_H
169#include <float.h>
170#endif
171
172#ifdef HAVE_SYS_TYPES_H
173#include <sys/types.h>
174#endif
175#ifdef HAVE_FCNTL_H
176#include <fcntl.h>
177#endif
178#ifdef HAVE_SYS_TIMEB_H
179#include <sys/timeb.h> /* Avoid warnings on SCO */
180#endif
181#if TIME_WITH_SYS_TIME
182# include <sys/time.h>
183# include <time.h>
184#else
185# if HAVE_SYS_TIME_H
186# include <sys/time.h>
187# else
188# include <time.h>
189# endif
190#endif /* TIME_WITH_SYS_TIME */
191#ifdef HAVE_UNISTD_H
192#include <unistd.h>
193#endif
194#if defined(__cplusplus) && defined(NO_CPLUSPLUS_ALLOCA)
195#undef HAVE_ALLOCA
196#undef HAVE_ALLOCA_H
197#endif
198#ifdef HAVE_ALLOCA_H
199#include <alloca.h>
200#endif
201#ifdef HAVE_ATOMIC_ADD
202#define __SMP__
203#include <asm/atomic.h>
204#endif
205
206/* Go around some bugs in different OS and compilers */
207#if defined(_HPUX_SOURCE) && defined(HAVE_SYS_STREAM_H)
208#include <sys/stream.h> /* HPUX 10.20 defines ulong here. UGLY !!! */
209#define HAVE_ULONG
210#endif
211#ifdef DONT_USE_FINITE /* HPUX 11.x has is_finite() */
212#undef HAVE_FINITE
213#endif
214
215/* We can not live without these */
216
217#define USE_MYFUNC 1 /* Must use syscall indirection */
218#define MASTER 1 /* Compile without unireg */
219#define ENGLISH 1 /* Messages in English */
220#define POSIX_MISTAKE 1 /* regexp: Fix stupid spec error */
221#define USE_REGEX 1 /* We want the use the regex library */
222/* Do not define for ultra sparcs */
223#define USE_BMOVE512 1 /* Use this unless the system bmove is faster */
224
225/* Paranoid settings. Define I_AM_PARANOID if you are paranoid */
226#ifdef I_AM_PARANOID
227#define DONT_ALLOW_USER_CHANGE 1
228#define DONT_USE_MYSQL_PWD 1
229#endif
230
231/* #define USE_some_charset 1 was deprecated by changes to configure */
232/* my_ctype my_to_upper, my_to_lower, my_sort_order gain theit right value */
233/* automagically during configuration */
234
235/* Does the system remember a signal handler after a signal ? */
236#ifndef HAVE_BSD_SIGNALS
237#define DONT_REMEMBER_SIGNAL
238#endif
239
240/* Define void to stop lint from generating "null effekt" comments */
241#ifndef DONT_DEFINE_VOID
242#ifdef _lint
243int __void__;
244#define VOID(X) (__void__ = (int) (X))
245#else
246#undef VOID
247#define VOID(X) (X)
248#endif
249#endif /* DONT_DEFINE_VOID */
250
251#if defined(_lint) || defined(FORCE_INIT_OF_VARS)
252#define LINT_INIT(var) var=0 /* No uninitialize-warning */
253#else
254#define LINT_INIT(var)
255#endif
256
257/* Define som useful general macros */
258#if defined(__cplusplus) && defined(__GNUC__)
259#define max(a, b) ((a) >? (b))
260#define min(a, b) ((a) <? (b))
261#elif !defined(max)
262#define max(a, b) ((a) > (b) ? (a) : (b))
263#define min(a, b) ((a) < (b) ? (a) : (b))
264#endif
265
266#if defined(__EMX__) || !defined(HAVE_UINT)
267typedef unsigned int uint;
268typedef unsigned short ushort;
269#endif
270
271#define sgn(a) (((a) < 0) ? -1 : ((a) > 0) ? 1 : 0)
272#define swap(t,a,b) { register t dummy; dummy = a; a = b; b = dummy; }
273#define test(a) ((a) ? 1 : 0)
274#define set_if_bigger(a,b) { if ((a) < (b)) (a)=(b); }
275#define set_if_smaller(a,b) { if ((a) > (b)) (a)=(b); }
276#define test_all_bits(a,b) (((a) & (b)) == (b))
277#define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0])))
278#ifndef HAVE_RINT
279#define rint(A) floor((A)+0.5)
280#endif
281
282/* Define som general constants */
283#ifndef TRUE
284#define TRUE (1) /* Logical true */
285#define FALSE (0) /* Logical false */
286#endif
287
288#if defined(__GNUC__)
289#define function_volatile volatile
290#define my_reinterpret_cast(A) reinterpret_cast<A>
291#define my_const_cast(A) const_cast<A>
292#elif !defined(my_reinterpret_cast)
293#define my_reinterpret_cast(A) (A)
294#define my_const_cast(A) (A)
295#endif
296#if !defined(__attribute__) && (defined(__cplusplus) || !defined(__GNUC__) || __GNUC__ == 2 && __GNUC_MINOR__ < 8)
297#define __attribute__(A)
298#endif
299
300/* From old s-system.h */
301
302/* Support macros for non ansi & other old compilers. Since such
303 things are no longer supported we do nothing. We keep then since
304 some of our code may still be needed to upgrade old customers. */
305#define _VARARGS(X) X
306#define _STATIC_VARARGS(X) X
307#define _PC(X) X
308
309#if defined(DBUG_ON) && defined(DBUG_OFF)
310#undef DBUG_OFF
311#endif
312
313#if defined(_lint) && !defined(DBUG_OFF)
314#define DBUG_OFF
315#endif
316
317#include <dbug.h>
318#ifndef DBUG_OFF
319#define dbug_assert(A) assert(A)
320#else
321#define dbug_assert(A)
322#endif
323
324#define MIN_ARRAY_SIZE 0 /* Zero or One. Gcc allows zero*/
325#define ASCII_BITS_USED 8 /* Bit char used */
326#define NEAR_F /* No near function handling */
327
328/* Some types that is different between systems */
329
330typedef int File; /* File descriptor */
331#ifndef Socket_defined
332typedef int my_socket; /* File descriptor for sockets */
333#define INVALID_SOCKET -1
334#endif
335/* Type for fuctions that handles signals */
336#define sig_handler RETSIGTYPE
337typedef void (*sig_return)();/* Returns type from signal */
338#if defined(__GNUC__) && !defined(_lint)
339typedef char pchar; /* Mixed prototypes can take char */
340typedef char puchar; /* Mixed prototypes can take char */
341typedef char pbool; /* Mixed prototypes can take char */
342typedef short pshort; /* Mixed prototypes can take short int */
343typedef float pfloat; /* Mixed prototypes can take float */
344#else
345typedef int pchar; /* Mixed prototypes can't take char */
346typedef uint puchar; /* Mixed prototypes can't take char */
347typedef int pbool; /* Mixed prototypes can't take char */
348typedef int pshort; /* Mixed prototypes can't take short int */
349typedef double pfloat; /* Mixed prototypes can't take float */
350#endif
351typedef int (*qsort_cmp)(const void *,const void *);
352#ifdef HAVE_mit_thread
353#define qsort_t void
354#undef QSORT_TYPE_IS_VOID
355#define QSORT_TYPE_IS_VOID
356#else
357#define qsort_t RETQSORTTYPE /* Broken GCC cant handle typedef !!!! */
358#endif
359#ifdef HAVE_mit_thread
360#define size_socket socklen_t /* Type of last arg to accept */
361#else
362#ifdef HAVE_SYS_SOCKET_H
363#include <sys/socket.h>
364#endif
365typedef SOCKET_SIZE_TYPE size_socket;
366#endif
367
368#ifndef SOCKOPT_OPTLEN_TYPE
369#define SOCKOPT_OPTLEN_TYPE size_socket
370#endif
371
372/* file create flags */
373
374#ifndef O_SHARE
375#define O_SHARE 0 /* Flag to my_open for shared files */
376#ifndef O_BINARY
377#define O_BINARY 0 /* Flag to my_open for binary files */
378#endif
379#define FILE_BINARY 0 /* Flag to my_fopen for binary streams */
380#ifdef HAVE_FCNTL
381#define HAVE_FCNTL_LOCK
382#define F_TO_EOF 0L /* Param to lockf() to lock rest of file */
383#endif
384#endif /* O_SHARE */
385#ifndef O_TEMPORARY
386#define O_TEMPORARY 0
387#endif
388#ifndef O_SHORT_LIVED
389#define O_SHORT_LIVED 0
390#endif
391
392/* #define USE_RECORD_LOCK */
393
394 /* Unsigned types supported by the compiler */
395#define UNSINT8 /* unsigned int8 (char) */
396#define UNSINT16 /* unsigned int16 */
397#define UNSINT32 /* unsigned int32 */
398
399 /* General constants */
400#define SC_MAXWIDTH 256 /* Max width of screen (for error messages) */
401#define FN_LEN 256 /* Max file name len */
402#define FN_HEADLEN 253 /* Max length of filepart of file name */
403#define FN_EXTLEN 20 /* Max length of extension (part of FN_LEN) */
404#define FN_REFLEN 512 /* Max length of full path-name */
405#define FN_EXTCHAR '.'
406#define FN_HOMELIB '~' /* ~/ is used as abbrev for home dir */
407#define FN_CURLIB '.' /* ./ is used as abbrev for current dir */
408#define FN_PARENTDIR ".." /* Parentdirectory; Must be a string */
409#define FN_DEVCHAR ':'
410
411#ifndef FN_LIBCHAR
412#ifdef __EMX__
413#define FN_LIBCHAR '\\'
414#define FN_ROOTDIR "\\"
415#else
416#define FN_LIBCHAR '/'
417#define FN_ROOTDIR "/"
418#endif
419#define MY_NFILE 1024 /* This is only used to save filenames */
420#endif
421
422/* #define EXT_IN_LIBNAME */
423/* #define FN_NO_CASE_SENCE */
424/* #define FN_UPPER_CASE TRUE */
425
426/* Io buffer size; Must be a power of 2 and a multiple of 512. May be
427 smaller what the disk page size. This influences the speed of the
428 isam btree library. eg to big to slow. */
429#define IO_SIZE 4096
430/* How much overhead does malloc have. The code often allocates
431 something like 1024-MALLOC_OVERHEAD bytes */
432#ifdef SAFEMALLOC
433#define MALLOC_OVERHEAD (8+24+4)
434#else
435#define MALLOC_OVERHEAD 8
436#endif
437 /* get memory in huncs */
438#define ONCE_ALLOC_INIT (uint) (4096-MALLOC_OVERHEAD)
439 /* Typical record cash */
440#define RECORD_CACHE_SIZE (uint) (64*1024-MALLOC_OVERHEAD)
441 /* Typical key cash */
442#define KEY_CACHE_SIZE (uint) (8*1024*1024-MALLOC_OVERHEAD)
443
444 /* Some things that this system doesn't have */
445
446#define ONLY_OWN_DATABASES /* We are using only databases by monty */
447#define NO_PISAM /* Not needed anymore */
448#define NO_MISAM /* Not needed anymore */
449#define NO_HASH /* Not needed anymore */
450#ifdef __WIN__
451#define NO_DIR_LIBRARY /* Not standar dir-library */
452#define USE_MY_STAT_STRUCT /* For my_lib */
453#endif
454
455/* Some things that this system does have */
456
457#ifndef HAVE_ITOA
458#define USE_MY_ITOA /* There is no itoa */
459#endif
460
461/* Some defines of functions for portability */
462
463#ifndef HAVE_ATOD
464#define atod atof
465#endif
466#ifdef USE_MY_ATOF
467#define atof my_atof
468extern void init_my_atof(void);
469extern double my_atof(const char*);
470#endif
471#undef remove /* Crashes MySQL on SCO 5.0.0 */
472#ifndef __WIN__
473#define closesocket(A) close(A)
474#ifndef ulonglong2double
475#define ulonglong2double(A) ((double) (A))
476#define my_off_t2double(A) ((double) (A))
477#endif
478#endif
479
480#ifndef offsetof
481#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
482#endif
483#define ulong_to_double(X) ((double) (ulong) (X))
484#define SET_STACK_SIZE(X) /* Not needed on real machines */
485
486#if !defined(HAVE_mit_thread) && !defined(HAVE_STRTOK_R)
487#define strtok_r(A,B,C) strtok((A),(B))
488#endif
489
490#ifdef HAVE_LINUXTHREADS
491/* #define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C)) */
492/* #define sigset(A,B) signal((A),(B)) */
493#endif
494
495/* Remove some things that mit_thread break or doesn't support */
496#if defined(HAVE_mit_thread) && defined(THREAD)
497#undef HAVE_PREAD
498#undef HAVE_REALPATH
499#undef HAVE_MLOCK
500#undef HAVE_TEMPNAM /* Use ours */
501#undef HAVE_PTHREAD_SETPRIO
502#undef HAVE_FTRUNCATE
503#undef HAVE_READLINK
504#endif
505
506/* This is from the old m-machine.h file */
507
508#if SIZEOF_LONG_LONG > 4
509#define HAVE_LONG_LONG 1
510#endif
511
512#if defined(HAVE_LONG_LONG) && !defined(LONGLONG_MIN)
513#define LONGLONG_MIN ((long long) 0x8000000000000000LL)
514#define LONGLONG_MAX ((long long) 0x7FFFFFFFFFFFFFFFLL)
515#endif
516
517#if SIZEOF_LONG == 4
518#define INT_MIN32 (long) 0x80000000L
519#define INT_MAX32 (long) 0x7FFFFFFFL
520#define INT_MIN24 ((long) 0xff800000L)
521#define INT_MAX24 0x007fffffL
522#define INT_MIN16 ((short int) 0x8000)
523#define INT_MAX16 0x7FFF
524#define INT_MIN8 ((char) 0x80)
525#define INT_MAX8 ((char) 0x7F)
526#else /* Probably Alpha */
527#define INT_MIN32 ((long) (int) 0x80000000)
528#define INT_MAX32 ((long) (int) 0x7FFFFFFF)
529#define INT_MIN24 ((long) (int) 0xff800000)
530#define INT_MAX24 ((long) (int) 0x007fffff)
531#define INT_MIN16 ((short int) 0xffff8000)
532#define INT_MAX16 ((short int) 0x00007FFF)
533#endif
534
535/* From limits.h instead */
536#ifndef DBL_MIN
537#define DBL_MIN 4.94065645841246544e-324
538#define FLT_MIN ((float)1.40129846432481707e-45)
539#endif
540#ifndef DBL_MAX
541#define DBL_MAX 1.79769313486231470e+308
542#define FLT_MAX ((float)3.40282346638528860e+38)
543#endif
544
545/* Max size that must be added to a so that we know Size to make
546 adressable obj. */
547typedef long my_ptrdiff_t;
548#define MY_ALIGN(A,L) (((A) + (L) - 1) & ~((L) - 1))
549#define ALIGN_SIZE(A) MY_ALIGN((A),sizeof(double))
550/* Size to make adressable obj. */
551#define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t)))
552 /* Offset of filed f in structure t */
553#define OFFSET(t, f) ((size_t)(char *)&((t *)0)->f)
554#define ADD_TO_PTR(ptr,size,type) (type) ((byte*) (ptr)+size)
555#define PTR_BYTE_DIFF(A,B) (my_ptrdiff_t) ((byte*) (A) - (byte*) (B))
556
557#define NullS (char *) 0
558/* Nowdays we do not support MessyDos */
559#ifndef NEAR
560#define NEAR /* Who needs segments ? */
561#define FAR /* On a good machine */
562#define HUGE_PTR
563#endif
564#ifndef STDCALL
565#define STDCALL
566#endif
567
568/* Typdefs for easyier portability */
569
570#if defined(VOIDTYPE)
571typedef void *gptr; /* Generic pointer */
572#else
573typedef char *gptr; /* Generic pointer */
574#endif
575#ifndef HAVE_INT_8_16_32
576typedef char int8; /* Signed integer >= 8 bits */
577typedef short int16; /* Signed integer >= 16 bits */
578#endif
579#ifndef HAVE_UCHAR
580typedef unsigned char uchar; /* Short for unsigned char */
581#endif
582typedef unsigned char uint8; /* Short for unsigned integer >= 8 bits */
583typedef unsigned short uint16; /* Short for unsigned integer >= 16 bits */
584
585#if SIZEOF_INT == 4
586#ifndef HAVE_INT_8_16_32
587typedef int int32;
588#endif
589typedef unsigned int uint32; /* Short for unsigned integer >= 32 bits */
590#elif SIZEOF_LONG == 4
591#ifndef HAVE_INT_8_16_32
592typedef long int32;
593#endif
594typedef unsigned long uint32; /* Short for unsigned integer >= 32 bits */
595#else
596error "Neither int or long is of 4 bytes width"
597#endif
598
599#if !defined(HAVE_ULONG) && !defined(HAVE_LINUXTHREADS) && !defined(__USE_MISC)
600typedef unsigned long ulong; /* Short for unsigned long */
601#endif
602#ifndef longlong_defined
603#if defined(HAVE_LONG_LONG) && SIZEOF_LONG != 8
604typedef unsigned long long ulonglong; /* ulong or unsigned long long */
605typedef long long longlong;
606#else
607typedef unsigned long ulonglong; /* ulong or unsigned long long */
608typedef long longlong;
609#endif
610#endif
611
612#ifdef USE_RAID
613/* The following is done with a if to not get problems with pre-processors
614 with late define evaluation */
615#if SIZEOF_OFF_T == 4
616#define SYSTEM_SIZEOF_OFF_T 4
617#else
618#define SYSTEM_SIZEOF_OFF_T 8
619#endif
620#undef SIZEOF_OFF_T
621#define SIZEOF_OFF_T 8
622#else
623#define SYSTEM_SIZEOF_OFF_T SIZEOF_OFF_T
624#endif /* USE_RAID */
625
626#if SIZEOF_OFF_T > 4
627typedef ulonglong my_off_t;
628#else
629typedef unsigned long my_off_t;
630#endif
631#define MY_FILEPOS_ERROR (~(my_off_t) 0)
632#ifndef __WIN__
633typedef off_t os_off_t;
634#endif
635
636typedef uint8 int7; /* Most effective integer 0 <= x <= 127 */
637typedef short int15; /* Most effective integer 0 <= x <= 32767 */
638typedef char *my_string; /* String of characters */
639typedef unsigned long size_s; /* Size of strings (In string-funcs) */
640typedef int myf; /* Type of MyFlags in my_funcs */
641#ifndef byte_defined
642typedef char byte; /* Smallest addressable unit */
643#endif
644typedef char my_bool; /* Small bool */
645#if !defined(bool) && !defined(bool_defined) && (!defined(HAVE_BOOL) || !defined(__cplusplus))
646typedef char bool; /* Ordinary boolean values 0 1 */
647#endif
648 /* Macros for converting *constants* to the right type */
649#define INT8(v) (int8) (v)
650#define INT16(v) (int16) (v)
651#define INT32(v) (int32) (v)
652#define MYF(v) (myf) (v)
653
654/* Defines to make it possible to prioritize register assignments. No
655 longer needed with moder compilers */
656#ifndef USING_X
657#define reg1 register
658#define reg2 register
659#define reg3 register
660#define reg4 register
661#define reg5 register
662#define reg6 register
663#define reg7 register
664#define reg8 register
665#define reg9 register
666#define reg10 register
667#define reg11 register
668#define reg12 register
669#define reg13 register
670#define reg14 register
671#define reg15 register
672#define reg16 register
673#endif
674
675/* Defines for time function */
676#define SCALE_SEC 100
677#define SCALE_USEC 10000
678#define MY_HOW_OFTEN_TO_ALARM 2 /* How often we want info on screen */
679#define MY_HOW_OFTEN_TO_WRITE 1000 /* How often we want info on screen */
680
681/*
682** Define-funktions for reading and storing in machine independent format
683** (low byte first)
684*/
685
686/* Optimized store functions for Intel x86 */
687#ifdef __i386__
688#define sint2korr(A) (*((int16 *) (A)))
689#define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \
690 (((uint32) 255L << 24) | \
691 (((uint32) (uchar) (A)[2]) << 16) |\
692 (((uint32) (uchar) (A)[1]) << 8) | \
693 ((uint32) (uchar) (A)[0])) : \
694 (((uint32) (uchar) (A)[2]) << 16) |\
695 (((uint32) (uchar) (A)[1]) << 8) | \
696 ((uint32) (uchar) (A)[0])))
697#define sint4korr(A) (*((long *) (A)))
698#define uint2korr(A) (*((uint16 *) (A)))
699#define uint3korr(A) (long) (*((unsigned long *) (A)) & 0xFFFFFF)
700#define uint4korr(A) (*((unsigned long *) (A)))
701#define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
702 (((uint32) ((uchar) (A)[1])) << 8) +\
703 (((uint32) ((uchar) (A)[2])) << 16) +\
704 (((uint32) ((uchar) (A)[3])) << 24)) +\
705 (((ulonglong) ((uchar) (A)[4])) << 32))
706#define uint8korr(A) (*((ulonglong *) (A)))
707#define sint8korr(A) (*((longlong *) (A)))
708#define int2store(T,A) *((uint16*) (T))= (uint16) (A)
709#define int3store(T,A) { *(T)= (uchar) ((A));\
710 *(T+1)=(uchar) (((uint) (A) >> 8));\
711 *(T+2)=(uchar) (((A) >> 16)); }
712#define int4store(T,A) *((long *) (T))= (long) (A)
713#define int5store(T,A) { *(T)= (uchar)((A));\
714 *((T)+1)=(uchar) (((A) >> 8));\
715 *((T)+2)=(uchar) (((A) >> 16));\
716 *((T)+3)=(uchar) (((A) >> 24)); \
717 *((T)+4)=(uchar) (((A) >> 32)); }
718#define int8store(T,A) *((ulonglong *) (T))= (ulonglong) (A)
719
720typedef union {
721 double v;
722 long m[2];
723} doubleget_union;
724#define doubleget(V,M) { ((doubleget_union *)&V)->m[0] = *((long*) M); \
725 ((doubleget_union *)&V)->m[1] = *(((long*) M)+1); }
726#define doublestore(T,V) { *((long *) T) = ((doubleget_union *)&V)->m[0]; \
727 *(((long *) T)+1) = ((doubleget_union *)&V)->m[1]; }
728#define float4get(V,M) { *((long *) &(V)) = *((long*) (M)); }
729#define float8get(V,M) doubleget((V),(M))
730#define float4store(V,M) memcpy((byte*) V,(byte*) (&M),sizeof(float))
731#define float8store(V,M) doublestore((V),(M))
732#endif /* __i386__ */
733
734#ifndef sint2korr
735#define sint2korr(A) (int16) (((int16) ((uchar) (A)[0])) +\
736 ((int16) ((int16) (A)[1]) << 8))
737#define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \
738 (((uint32) 255L << 24) | \
739 (((uint32) (uchar) (A)[2]) << 16) |\
740 (((uint32) (uchar) (A)[1]) << 8) | \
741 ((uint32) (uchar) (A)[0])) : \
742 (((uint32) (uchar) (A)[2]) << 16) |\
743 (((uint32) (uchar) (A)[1]) << 8) | \
744 ((uint32) (uchar) (A)[0])))
745#define sint4korr(A) (int32) (((int32) ((uchar) (A)[0])) +\
746 (((int32) ((uchar) (A)[1]) << 8)) +\
747 (((int32) ((uchar) (A)[2]) << 16)) +\
748 (((int32) ((int16) (A)[3]) << 24)))
749#define sint8korr(A) (longlong) uint8korr(A)
750#define uint2korr(A) (uint16) (((uint16) ((uchar) (A)[0])) +\
751 ((uint16) ((uchar) (A)[1]) << 8))
752#define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\
753 (((uint32) ((uchar) (A)[1])) << 8) +\
754 (((uint32) ((uchar) (A)[2])) << 16))
755#define uint4korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\
756 (((uint32) ((uchar) (A)[1])) << 8) +\
757 (((uint32) ((uchar) (A)[2])) << 16) +\
758 (((uint32) ((uchar) (A)[3])) << 24))
759#define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
760 (((uint32) ((uchar) (A)[1])) << 8) +\
761 (((uint32) ((uchar) (A)[2])) << 16) +\
762 (((uint32) ((uchar) (A)[3])) << 24)) +\
763 (((ulonglong) ((uchar) (A)[4])) << 32))
764#define uint8korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\
765 (((uint32) ((uchar) (A)[1])) << 8) +\
766 (((uint32) ((uchar) (A)[2])) << 16) +\
767 (((uint32) ((uchar) (A)[3])) << 24)) +\
768 (((ulonglong) (((uint32) ((uchar) (A)[4])) +\
769 (((uint32) ((uchar) (A)[5])) << 8) +\
770 (((uint32) ((uchar) (A)[6])) << 16) +\
771 (((uint32) ((uchar) (A)[7])) << 24))) <<\
772 32))
773#define int2store(T,A) { uint def_temp= (uint) (A) ;\
774 *((uchar*) (T))= (uchar)(def_temp); \
775 *((uchar*) (T+1))=(uchar)((def_temp >> 8)); }
776#define int3store(T,A) { /*lint -save -e734 */\
777 *((T))=(char) ((A));\
778 *((T)+1)=(char) (((A) >> 8));\
779 *((T)+2)=(char) (((A) >> 16)); \
780 /*lint -restore */}
781#define int4store(T,A) { *(T)=(char) ((A));\
782 *((T)+1)=(char) (((A) >> 8));\
783 *((T)+2)=(char) (((A) >> 16));\
784 *((T)+3)=(char) (((A) >> 24)); }
785#define int5store(T,A) { *(T)=((A));\
786 *((T)+1)=(((A) >> 8));\
787 *((T)+2)=(((A) >> 16));\
788 *((T)+3)=(((A) >> 24)); \
789 *((T)+4)=(((A) >> 32)); }
790#define int8store(T,A) { uint def_temp= (uint) (A), def_temp2= (uint) ((A) >> 32); \
791 int4store((T),def_temp); \
792 int4store((T+4),def_temp2); \
793 }
794#ifdef WORDS_BIGENDIAN
795#define float4store(T,A) { *(T)= ((byte *) &A)[3];\
796 *((T)+1)=(char) ((byte *) &A)[2];\
797 *((T)+2)=(char) ((byte *) &A)[1];\
798 *((T)+3)=(char) ((byte *) &A)[0]; }
799
800#define float4get(V,M) { float def_temp;\
801 ((byte*) &def_temp)[0]=(M)[3];\
802 ((byte*) &def_temp)[1]=(M)[2];\
803 ((byte*) &def_temp)[2]=(M)[1];\
804 ((byte*) &def_temp)[3]=(M)[0];\
805 (V)=def_temp; }
806#define float8store(T,V) { *(T)= ((byte *) &V)[7];\
807 *((T)+1)=(char) ((byte *) &V)[6];\
808 *((T)+2)=(char) ((byte *) &V)[5];\
809 *((T)+3)=(char) ((byte *) &V)[4];\
810 *((T)+4)=(char) ((byte *) &V)[3];\
811 *((T)+5)=(char) ((byte *) &V)[2];\
812 *((T)+6)=(char) ((byte *) &V)[1];\
813 *((T)+7)=(char) ((byte *) &V)[0]; }
814
815#define float8get(V,M) { double def_temp;\
816 ((byte*) &def_temp)[0]=(M)[7];\
817 ((byte*) &def_temp)[1]=(M)[6];\
818 ((byte*) &def_temp)[2]=(M)[5];\
819 ((byte*) &def_temp)[3]=(M)[4];\
820 ((byte*) &def_temp)[4]=(M)[3];\
821 ((byte*) &def_temp)[5]=(M)[2];\
822 ((byte*) &def_temp)[6]=(M)[1];\
823 ((byte*) &def_temp)[7]=(M)[0];\
824 (V) = def_temp; }
825#else
826#define float4get(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(float))
827#define float4store(V,M) memcpy_fixed((byte*) V,(byte*) (&M),sizeof(float))
828
829#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
830#define doublestore(T,V) { *(T)= ((byte *) &V)[4];\
831 *((T)+1)=(char) ((byte *) &V)[5];\
832 *((T)+2)=(char) ((byte *) &V)[6];\
833 *((T)+3)=(char) ((byte *) &V)[7];\
834 *((T)+4)=(char) ((byte *) &V)[0];\
835 *((T)+5)=(char) ((byte *) &V)[1];\
836 *((T)+6)=(char) ((byte *) &V)[2];\
837 *((T)+7)=(char) ((byte *) &V)[3]; }
838#define doubleget(V,M) { double def_temp;\
839 ((byte*) &def_temp)[0]=(M)[4];\
840 ((byte*) &def_temp)[1]=(M)[5];\
841 ((byte*) &def_temp)[2]=(M)[6];\
842 ((byte*) &def_temp)[3]=(M)[7];\
843 ((byte*) &def_temp)[4]=(M)[0];\
844 ((byte*) &def_temp)[5]=(M)[1];\
845 ((byte*) &def_temp)[6]=(M)[2];\
846 ((byte*) &def_temp)[7]=(M)[3];\
847 (V) = def_temp; }
848#endif /* __FLOAT_WORD_ORDER */
849
850#define float8get(V,M) doubleget((V),(M))
851#define float8store(V,M) doublestore((V),(M))
852#endif /* WORDS_BIGENDIAN */
853
854#endif /* sint2korr */
855
856/* Define-funktions for reading and storing in machine format from/to
857 short/long to/from some place in memory V should be a (not
858 register) variable, M is a pointer to byte */
859
860#ifdef WORDS_BIGENDIAN
861
862#define ushortget(V,M) { V = (uint16) (((uint16) ((uchar) (M)[1]))+\
863 ((uint16) ((uint16) (M)[0]) << 8)); }
864#define shortget(V,M) { V = (short) (((short) ((uchar) (M)[1]))+\
865 ((short) ((short) (M)[0]) << 8)); }
866#define longget(V,M) { int32 def_temp;\
867 ((byte*) &def_temp)[0]=(M)[0];\
868 ((byte*) &def_temp)[1]=(M)[1];\
869 ((byte*) &def_temp)[2]=(M)[2];\
870 ((byte*) &def_temp)[3]=(M)[3];\
871 (V)=def_temp; }
872#define ulongget(V,M) { uint32 def_temp;\
873 ((byte*) &def_temp)[0]=(M)[0];\
874 ((byte*) &def_temp)[1]=(M)[1];\
875 ((byte*) &def_temp)[2]=(M)[2];\
876 ((byte*) &def_temp)[3]=(M)[3];\
877 (V)=def_temp; }
878#define shortstore(T,A) { uint def_temp=(uint) (A) ;\
879 *(T+1)=(char)(def_temp); \
880 *(T+0)=(char)(def_temp >> 8); }
881#define longstore(T,A) { *((T)+3)=((A));\
882 *((T)+2)=(((A) >> 8));\
883 *((T)+1)=(((A) >> 16));\
884 *((T)+0)=(((A) >> 24)); }
885
886#define doubleget(V,M) memcpy((byte*) &V,(byte*) (M),sizeof(double))
887#define doublestore(T,V) memcpy((byte*) (T),(byte*) &V,sizeof(double))
888#define longlongget(V,M) memcpy((byte*) &V,(byte*) (M),sizeof(ulonglong))
889#define longlongstore(T,V) memcpy((byte*) (T),(byte*) &V,sizeof(ulonglong))
890
891#else
892
893#define ushortget(V,M) { V = uint2korr(M); }
894#define shortget(V,M) { V = sint2korr(M); }
895#define longget(V,M) { V = sint4korr(M); }
896#define ulongget(V,M) { V = uint4korr(M); }
897#define shortstore(T,V) int2store(T,V)
898#define longstore(T,V) int4store(T,V)
899#ifndef doubleget
900#define doubleget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(double))
901#define doublestore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(double))
902#endif /* doubleget */
903#define longlongget(V,M) memcpy_fixed((byte*) &V,(byte*) (M),sizeof(ulonglong))
904#define longlongstore(T,V) memcpy_fixed((byte*) (T),(byte*) &V,sizeof(ulonglong))
905
906#endif /* WORDS_BIGENDIAN */
907
908/* sprintf does not always return the number of bytes :- */
909#ifdef SPRINTF_RETURNS_INT
910#define my_sprintf(buff,args) sprintf args
911#else
912#ifdef SPRINTF_RETURNS_PTR
913#define my_sprintf(buff,args) ((int)(sprintf args - buff))
914#else
915#define my_sprintf(buff,args) sprintf args,strlen(buff)
916#endif
917#endif
918
919#ifndef THREAD
920#define thread_safe_increment(V,L) (V)++
921#define thread_safe_add(V,C,L) (V)+=(C)
922#define thread_safe_sub(V,C,L) (V)-=(C)
923#define statistic_increment(V,L) (V)++
924#define statistic_add(V,C,L) (V)+=(C)
925#endif
926
927#endif /* _global_h */
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