s-msdos.h

MySQL的ODBC接口程序源代码

/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
   This file is public domain and comes with NO WARRANTY of any kind */

#ifndef MSDOS
#define MSDOS 1
#endif
#ifdef WIN32
#define SYSTEM_TYPE	"WIN32"
#else
#define SYSTEM_TYPE	"MSDOS"
#endif

	/* Set up defines for MSC */
#ifdef _MSC_VER
#if _MSC_VER <= 601
#define __fastcall _fastcall
#endif
#define inline
#endif

#define VOIDTYPE				/* Compiler has void */
#define _A(X)		X			/* Have prototypes */
#define _D(X)		X
#define _VARARGS(X)		X
#define _STATIC_VARARGS(X)	X
#define ASCII_BITS_USED	8			/* Bit char used */

#ifdef M_IC80386
#define NEAR_F		__fastcall
#else
#ifdef DBUG_OFF
#define NEAR_F		__fastcall NEAR		/* static function */
#else
#define NEAR_F		_pascal NEAR		/* static function */
#endif	/* DBUG_OFF */
#endif

#include <stdlib.h>				/* Commonly used functions */
#include <time.h>
#undef min					/* Defined in global.h	*/
#undef max					/*	-""-		*/
#include <fcntl.h>				/* my_open flags */
#include <string.h>				/* Used very often */
#include <io.h>
#ifndef __ZTC__
#include <malloc.h>				/* Used very often */
#endif /* __ZTC__ */
#ifndef RC_INVOKED
#include <math.h>
#endif

	/* Typdefs for easyier portability */
typedef int	File;		/* File descriptor */
typedef void	sig_handler;	/* Function to handle signals */
typedef void	(*sig_return)(int);/* Returns type from signal */
#define Socket_defined
typedef int	Socket;
typedef unsigned long my_off_t;	/* for read/write */
#define MY_FILEPOS_ERROR (ulong) ~0L
#ifdef __ZTC__
typedef int	pchar;		/* Mixed prototypes can't take char */
typedef int	pbool;		/* Mixed prototypes can't take char */
typedef double	pfloat;		/* Mixed prototypes can't take float */
typedef int	dev_t;		/* For compatible stat */
typedef int	ino_t;
typedef ulong	off_t;
typedef ulong	st_size;
#else
typedef char	pchar;		/* Mixed prototypes can't take char */
typedef char	pbool;		/* Mixed prototypes can't take char */
typedef float	pfloat;		/* Mixed prototypes can take float */
#endif

typedef int	(*qsort_cmp)(const void *, const void *);
#define qsort_t void
#define QSORT_TYPE_IS_VOID

	/* my_lock() flags */

#define O_SHARE		0x1000	/* Open file in sharing mode */
#define F_UNLCK		0	/* Unlock locked region */
#define F_WRLCK		1	/* Lock a region for exclusive use */
#define F_RDLCK		3	/* Lock region from writing */
#define F_EXCLUSIVE	1	/* We have only exclusive locking */
#define F_TO_EOF	(INT_MAX32/2)	/* size for lock of all file */

	/* open flags */
#ifdef __ZTC__
#define FILE_BINARY 128		/* Fopen in binary mode, 128 is free */
#else
#define FILE_BINARY O_BINARY
#endif

	/*  Unsigned types supported by the compiler */
#define UNSINT8			/* unsigned int8 (char) */
#define UNSINT16		/* unsigned int16 */
#define UNSINT32		/* unsigned int32 */

	/* General constants */
#ifdef WIN32
#define SC_MAXWIDTH	132	/* Max width of screen */
#define FN_LEN		256	/* Max file name len (+ null ) */
#define FN_HEADLEN	253
#define FN_EXTLEN	5	/* Max length of extension (part of FN_LEN) */
#define FN_REFLEN	256	/* Max length of full path-name */
#else
#define SC_MAXWIDTH	81	/* Max width of screen */
#define FN_LEN		13	/* Max file name len (+ null ) */
#define FN_HEADLEN	9
#define FN_EXTLEN	5	/* Max length of extension (part of FN_LEN) */
#define FN_REFLEN	65	/* Max length of full path-name */
#endif
#define FN_LIBCHAR	'\\'
#define FN_EXTCHAR	'.'
#define FN_DEVCHAR	':'
#define FN_HOMELIB	'~'	/* ~/ is used as abbrev for home dir */
#define FN_CURLIB	'.'	/* ./ is used as abbrev for current dir */
#define FN_PARENTDIR	".."	/* Parentdirectory; Must be a string */
#define FN_ROOTDIR	"\\"
#define MY_BASEDIR	"\\"
#define DEFAULT_BASEDIR	"\\"	/* Program directorys is in root */

#ifdef _NFILE
#define MY_NFILE	_NFILE
#else
#define MY_NFILE	20
#endif

#define FN_NO_CASE_SENCE	/* Files are not case-sencety */
#define FN_UPPER_CASE	TRUE	/* Files are represented in upper case */

	/* Must be a power of 2 and a multiple of 512 */
#define IO_SIZE			512
	/* How much overhead does malloc have */
#ifdef SAFEMALLOC
#define MALLOC_OVERHEAD (24+20+4)
#else
#define MALLOC_OVERHEAD 24
#endif

#ifdef M_IC80386
#define ONCE_ALLOC_INIT		(2048-MALLOC_OVERHEAD)
#define RECORD_CACHE_SIZE	((uint) (128*1024L-MALLOC_OVERHEAD))
#define KEY_CACHE_SIZE		((uint) (256*1024L-MALLOC_OVERHEAD))
#else
#define ONCE_ALLOC_INIT		(1024-MALLOC_OVERHEAD)
#define RECORD_CACHE_SIZE	((uint) (64L*1024L-MALLOC_OVERHEAD))
#define KEY_CACHE_SIZE		((uint) 32768-MALLOC_OVERHEAD)
#endif

	/* Some things that this system doesn't have */
#define NO_HASH
#define NO_HEAP
#define NO_PISAM
#define NO_MISAM
#define NO_BACKGROUND		/* No background jobbs */
#define ONLY_OWN_DATABASES	/* We are using only databases by monty */
#define NO_LISP			/* We don't have room for lisp */
#define NO_DIR_LIBRARY		/* Not standar dir-library */
#define USE_MY_STAT_STRUCT	/* For my_lib */

	/* Some things that this system does have */

#define HAVE_PERROR
#define HAVE_VFPRINT
#define HAVE_CHSIZE		/* System has chsize() function */
#define HAVE_RENAME		/* Have rename() as function */
#define HAVE_BINARY_STREAMS	/* Have "b" flag in streams */
#define HAVE_LONG_JMP		/* Have long jump function */
#define HAVE_LOCKING		/* have locking() call */
#define HAVE_ERRNO_AS_DEFINE	/* errno is a define */
#define HAVE_STDLIB		/* everything is include in this file */
#define HAVE_MEMCPY
#define HAVE_GETCWD
#define HAVE_TELL
#ifdef _MSC_VER
#define HAVE_LDIV		/* The optimizer breaks in zortech for ldiv */
#define HAVE_ANSI_INCLUDE
#define HAVE_SYS_UTIME_H
#endif

	/* Some defines of functions for portability */

#define atod		atof
#if defined(__ZTC__)
#define inline
#define __fastcall	_pascal
#define _dos_setdrive dos_setdrive		/* Fix name-convetion */
#define _dos_getdrive dos_getdrive
#define tell(fd) lseek(fd, 0l, MY_SEEK_CUR)	/* No tell function */
#define strmov(a,b) stpcpy((a),(b))
#define EAGAIN 11
#define ulong_to_double(a) (((long) (a) >= 0L) ? (double) (a) : (double) (a-LONG_MIN) + 2147483648.0)
#define offsetof(t,i)	((size_t)((char *)&((t *)0)->i - (char *)0))
#ifdef M_IC80386
#define SET_STACK_SIZE(X) unsigned stack=X
#define X32VM					/* Virtual manager */
#else
#define SET_STACK_SIZE(X)
#define int86_real int86
#endif
#elif defined(_MSC_VER)
#define SET_STACK_SIZE(X)			/* Must be given to LINK */
#define ulong_to_double(a) ((double) (ulong) (a))
#define int86_real int86
#define offsetof(s,m)	(size_t)( (char *)&(((s *)0)->m) - (char *)0 )
#define atoll(A) _atoi64(A)
#elif defined(__WATCOMC__)
#define __fastcall
#define SET_STACK_SIZE(X)			/* Must be given to LINK */
#define EAGAIN 30				/* This should be free.. */
#define int86_real int386
#define ulong_to_double(a) ((double) (ulong) (a))
#define offsetof(s,m)	(size_t)( (char *)&(((s *)0)->m) - (char *)0 )
#endif
#define __attribute__(A)			/* Not gcc */