global.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 */

/*
  This is the main include file that should included 'first' in every program.
  It contains includes for two system dependent files. One for a the operating
  system (s-) and one for the processor (m-).
  For a list of what a machine and a operatings system must have se the
  standard s- and m- files.
 */
#ifndef _global_h
#define _global_h

#if defined(_lint) && !defined(lint)
#define lint
#endif
#ifndef stdin
#include <stdio.h>	/* Include so that m- and s- files can fix things */
#endif
#include <m-pc.h>
#include <s-msdos.h>
#ifdef USES_TYPES
#include <sys/types.h>
#endif

#if defined(DBUG_ON) && defined(DBUG_OFF)
#undef DBUG_OFF
#endif
#if defined(lint) && !defined(DBUG_OFF)
#define DBUG_OFF
#endif
#include <dbug.h>

/* Define void to stop lint from generating "null effekt" comments */

#if defined(lint) || defined(FORCE_INIT_OF_VARS)
#define LINT_INIT(var)	var=0			/* No uninitialize-warning */
#else
#define LINT_INIT(var)
#endif

/* Define som useful general macros */
#if defined(__cplusplus) && defined(__GNUG__)
#define max(a, b)	((a) >? (b))
#define min(a, b)	((a) <? (b))
#else
#define max(a, b)	((a) > (b) ? (a) : (b))
#define min(a, b)	((a) < (b) ? (a) : (b))
#endif

#define sgn(a)		(((a) < 0) ? -1 : ((a) > 0) ? 1 : 0)
#define swap(t,a,b)	{ register t dummy; dummy = a; a = b; b = dummy; }
#define test(a)		((a) ? 1 : 0)
#define set_if_bigger(a,b)  { if ((a) < (b)) (a)=(b); }
#define set_if_smaller(a,b) { if ((a) > (b)) (a)=(b); }
#define test_all_bits(a,b) (((a) & (b)) == (b))
#define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0])))

/* Define som general constants */
#ifndef TRUE
#define TRUE		(1)	/* Logical true */
#define FALSE		(0)	/* Logical false */
#endif

#ifdef __GNUC__
#define function_volatile	volatile
#ifndef alloca
#define alloca			__builtin_alloca
#endif
#ifdef __cplusplus
#define __attribute__(A)
#endif
#else
#define __attribute__(A)
#endif

#endif /* _global_h */