cplport.h

国际海图标准S-57格式数据读取源码VC

#ifndef CPL_BASE_H_INCLUDED
#define CPL_BASE_H_INCLUDED

/**
 * \file cpl_port.h
 *
 * Core portability definitions for CPL.
 *
 */

/* ==================================================================== */
/*      We will use macos_pre10 to indicate compilation with MacOS      */
/*      versions before MacOS X.                                        */
/* ==================================================================== */
#ifdef macintosh
#  define macos_pre10
#endif

/* ==================================================================== */
/*      We will use WIN32 as a standard windows define.                 */
/* ==================================================================== */
#if defined(_WIN32) && !defined(WIN32)
#  define WIN32
#endif

#if defined(_WINDOWS) && !defined(WIN32)
#  define WIN32
#endif

#include "CplConfig.h"

/* ==================================================================== */
/*      This will disable most WIN32 stuff in a Cygnus build which      */
/*      defines unix to 1.                                              */
/* ==================================================================== */

#ifdef unix
#  undef WIN32
#endif

#if defined(VSI_NEED_LARGEFILE64_SOURCE) && !defined(_LARGEFILE64_SOURCE)
#  define _LARGEFILE64_SOURCE 1
#endif

/* ==================================================================== */
/*      Standard include files.                                         */
/* ==================================================================== */

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <time.h>

#ifdef HAVE_LOCALE_H
#  include <locale.h>
#endif

#ifdef _AIX
#  include <strings.h>
#endif

#if defined(HAVE_LIBDBMALLOC) && defined(HAVE_DBMALLOC_H) && defined(DEBUG)
#  define DBMALLOC
#  include <dbmalloc.h>
#endif

#if !defined(DBMALLOC) && defined(HAVE_DMALLOC_H)
#  define USE_DMALLOC
#  include <dmalloc.h>
#endif

/* ==================================================================== */
/*      Base portability stuff ... this stuff may need to be            */
/*      modified for new platforms.                                     */
/* ==================================================================== */

/*---------------------------------------------------------------------
 *        types for 16 and 32 bits integers, etc...
 *--------------------------------------------------------------------*/
#if UINT_MAX == 65535
typedef long            GInt32;
typedef unsigned long   GUInt32;
#else
typedef int             GInt32;
typedef unsigned int    GUInt32;
#endif

typedef short           GInt16;
typedef unsigned short  GUInt16;
typedef unsigned char   GByte;
typedef int             GBool;

/* -------------------------------------------------------------------- */
/*      64bit support                                                   */
/* -------------------------------------------------------------------- */

#if defined(WIN32) && defined(_MSC_VER)

#define VSI_LARGE_API_SUPPORTED
typedef __int64          GIntBig;
typedef unsigned __int64 GUIntBig;

#elif HAVE_LONG_LONG

typedef long long        GIntBig;
typedef unsigned long long GUIntBig;

#else

typedef long             GIntBig;
typedef unsigned long    GUIntBig;

#endif

/* ==================================================================== */
/*      Other standard services.                                        */
/* ==================================================================== */
#ifdef __cplusplus
#  define CPL_C_START           extern "C" {
#  define CPL_C_END             }
#else
#  define CPL_C_START
#  define CPL_C_END
#endif

#ifndef CPL_DLL
#if defined(_MSC_VER) && !defined(CPL_DISABLE_DLL)
#  define CPL_DLL     __declspec(dllexport)
#else
#  define CPL_DLL
#endif
#endif


#ifndef NULL
#  define NULL  0
#endif

#ifndef FALSE
#  define FALSE 0
#endif

#ifndef TRUE
#  define TRUE  1
#endif

#ifndef MAX
#  define MIN(a,b)      ((a<b) ? a : b)
#  define MAX(a,b)      ((a>b) ? a : b)
#endif

#ifndef ABS
#  define ABS(x)        ((x<0) ? (-1*(x)) : x)
#endif

#ifndef EQUAL
#ifdef WIN32
#  define EQUALN(a,b,n)           (strnicmp(a,b,n)==0)
#  define EQUAL(a,b)              (stricmp(a,b)==0)
#else
#  define EQUALN(a,b,n)           (strncasecmp(a,b,n)==0)
#  define EQUAL(a,b)              (strcasecmp(a,b)==0)
#endif
#endif

#ifdef macos_pre10
int strcasecmp(char * str1, char * str2);
int strncasecmp(char * str1, char * str2, int len);
char * strdup (char *instr);
#endif

/*---------------------------------------------------------------------
 *                         CPL_LSB and CPL_MSB
 * Only one of these 2 macros should be defined and specifies the byte 
 * ordering for the current platform.  
 * This should be defined in the Makefile, but if it is not then
 * the default is CPL_LSB (Intel ordering, LSB first).
 *--------------------------------------------------------------------*/
#if defined(WORDS_BIGENDIAN) && !defined(CPL_MSB) && !defined(CPL_LSB)
#  define CPL_MSB
#endif

#if ! ( defined(CPL_LSB) || defined(CPL_MSB) )
#define CPL_LSB
#endif

#if defined(CPL_LSB)
#  define CPL_IS_LSB 1
#else
#  define CPL_IS_LSB 0
#endif

/*---------------------------------------------------------------------
 *        Little endian <==> big endian byte swap macros.
 *--------------------------------------------------------------------*/

#define CPL_SWAP16(x) \
        ((GUInt16)( \
            (((GUInt16)(x) & 0x00ffU) << 8) | \
            (((GUInt16)(x) & 0xff00U) >> 8) ))

#define CPL_SWAP16PTR(x) \
{                                                                 \
    GByte       byTemp, *_pabyDataT = (GByte *) (x);              \
                                                                  \
    byTemp = _pabyDataT[0];                                       \
    _pabyDataT[0] = _pabyDataT[1];                                \
    _pabyDataT[1] = byTemp;                                       \
}                                                                    
                                                            
#define CPL_SWAP32(x) \
        ((GUInt32)( \
            (((GUInt32)(x) & (GUInt32)0x000000ffUL) << 24) | \
            (((GUInt32)(x) & (GUInt32)0x0000ff00UL) <<  8) | \
            (((GUInt32)(x) & (GUInt32)0x00ff0000UL) >>  8) | \
            (((GUInt32)(x) & (GUInt32)0xff000000UL) >> 24) ))

#define CPL_SWAP32PTR(x) \
{                                                                 \
    GByte       byTemp, *_pabyDataT = (GByte *) (x);              \
                                                                  \
    byTemp = _pabyDataT[0];                                       \
    _pabyDataT[0] = _pabyDataT[3];                                \
    _pabyDataT[3] = byTemp;                                       \
    byTemp = _pabyDataT[1];                                       \
    _pabyDataT[1] = _pabyDataT[2];                                \
    _pabyDataT[2] = byTemp;                                       \
}                                                                    
                                                            
#define CPL_SWAP64PTR(x) \
{                                                                 \
    GByte       byTemp, *_pabyDataT = (GByte *) (x);              \
                                                                  \
    byTemp = _pabyDataT[0];                                       \
    _pabyDataT[0] = _pabyDataT[7];                                \
    _pabyDataT[7] = byTemp;                                       \
    byTemp = _pabyDataT[1];                                       \
    _pabyDataT[1] = _pabyDataT[6];                                \
    _pabyDataT[6] = byTemp;                                       \
    byTemp = _pabyDataT[2];                                       \
    _pabyDataT[2] = _pabyDataT[5];                                \
    _pabyDataT[5] = byTemp;                                       \
    byTemp = _pabyDataT[3];                                       \
    _pabyDataT[3] = _pabyDataT[4];                                \
    _pabyDataT[4] = byTemp;                                       \
}                                                                    
                                                            

/* Until we have a safe 64 bits integer data type defined, we'll replace
m * this version of the CPL_SWAP64() macro with a less efficient one.
 */
/*
#define CPL_SWAP64(x) \
        ((uint64)( \
            (uint64)(((uint64)(x) & (uint64)0x00000000000000ffULL) << 56) | \
            (uint64)(((uint64)(x) & (uint64)0x000000000000ff00ULL) << 40) | \
            (uint64)(((uint64)(x) & (uint64)0x0000000000ff0000ULL) << 24) | \
            (uint64)(((uint64)(x) & (uint64)0x00000000ff000000ULL) << 8) | \
            (uint64)(((uint64)(x) & (uint64)0x000000ff00000000ULL) >> 8) | \
            (uint64)(((uint64)(x) & (uint64)0x0000ff0000000000ULL) >> 24) | \
            (uint64)(((uint64)(x) & (uint64)0x00ff000000000000ULL) >> 40) | \
            (uint64)(((uint64)(x) & (uint64)0xff00000000000000ULL) >> 56) ))
*/

#define CPL_SWAPDOUBLE(p) CPL_SWAP64PTR(p)

#ifdef CPL_MSB
#  define CPL_MSBWORD16(x)      (x)
#  define CPL_LSBWORD16(x)      CPL_SWAP16(x)
#  define CPL_MSBWORD32(x)      (x)
#  define CPL_LSBWORD32(x)      CPL_SWAP32(x)
#  define CPL_MSBPTR16(x)       
#  define CPL_LSBPTR16(x)       CPL_SWAP16PTR(x)
#  define CPL_MSBPTR32(x)       
#  define CPL_LSBPTR32(x)       CPL_SWAP32PTR(x)
#  define CPL_MSBPTR64(x)       
#  define CPL_LSBPTR64(x)       CPL_SWAP64PTR(x)
#else
#  define CPL_LSBWORD16(x)      (x)
#  define CPL_MSBWORD16(x)      CPL_SWAP16(x)
#  define CPL_LSBWORD32(x)      (x)
#  define CPL_MSBWORD32(x)      CPL_SWAP32(x)
#  define CPL_LSBPTR16(x)       
#  define CPL_MSBPTR16(x)       CPL_SWAP16PTR(x)
#  define CPL_LSBPTR32(x)       
#  define CPL_MSBPTR32(x)       CPL_SWAP32PTR(x)
#  define CPL_LSBPTR64(x)       
#  define CPL_MSBPTR64(x)       CPL_SWAP64PTR(x)
#endif

/***********************************************************************
 * Define CPL_CVSID() macro.  It can be disabled during a build by
 * defining DISABLE_CPLID in the compiler options.
 *
 * The cvsid_aw() function is just there to prevent reports of cpl_cvsid()
 * being unused.
 */

#ifndef DISABLE_CVSID
#  define CPL_CVSID(string)     static char cpl_cvsid[] = string; \
static char *cvsid_aw() { return( cvsid_aw() ? ((char *) NULL) : cpl_cvsid ); }
#else
#  define CPL_CVSID(string)
#endif

#endif /* ndef CPL_BASE_H_INCLUDED */