mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-22 19:29:04 -05:00
Alexander Bock
512e35bea6
* Updated GDAL version to 2.4.1 * Add vtune performance commands * Add Nvtools performance commands * Add warning if GDAL dataset could not be loaded
450 lines
19 KiB
C++
450 lines
19 KiB
C++
/******************************************************************************
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* $Id: cpl_vsi.h fe66521fc5854bf38bc2eb42326d9a17d2f0f275 2018-12-22 13:46:01 +0100 Juergen E. Fischer $
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*
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* Project: CPL - Common Portability Library
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* Author: Frank Warmerdam, warmerdam@pobox.com
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* Purpose: Include file defining Virtual File System (VSI) functions, a
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* layer over POSIX file and other system services.
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*
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******************************************************************************
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* Copyright (c) 1998, Frank Warmerdam
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* Copyright (c) 2008-2014, Even Rouault <even dot rouault at mines-paris dot org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#ifndef CPL_VSI_H_INCLUDED
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#define CPL_VSI_H_INCLUDED
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#include "cpl_port.h"
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#include "cpl_progress.h"
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/**
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* \file cpl_vsi.h
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*
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* Standard C Covers
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*
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* The VSI functions are intended to be hookable aliases for Standard C
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* I/O, memory allocation and other system functions. They are intended
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* to allow virtualization of disk I/O so that non file data sources
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* can be made to appear as files, and so that additional error trapping
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* and reporting can be interested. The memory access API is aliased
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* so that special application memory management services can be used.
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*
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* It is intended that each of these functions retains exactly the same
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* calling pattern as the original Standard C functions they relate to.
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* This means we don't have to provide custom documentation, and also means
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* that the default implementation is very simple.
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*/
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/* -------------------------------------------------------------------- */
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/* We need access to ``struct stat''. */
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/* -------------------------------------------------------------------- */
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/* Unix */
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#if !defined(_WIN32)
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# include <unistd.h>
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#endif
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/* Windows */
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#include <sys/stat.h>
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CPL_C_START
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/*! @cond Doxygen_Suppress */
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#ifdef ENABLE_EXPERIMENTAL_CPL_WARN_UNUSED_RESULT
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#define EXPERIMENTAL_CPL_WARN_UNUSED_RESULT CPL_WARN_UNUSED_RESULT
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#else
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#define EXPERIMENTAL_CPL_WARN_UNUSED_RESULT
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#endif
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/*! @endcond */
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/* ==================================================================== */
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/* stdio file access functions. These do not support large */
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/* files, and do not go through the virtualization API. */
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/* ==================================================================== */
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/*! @cond Doxygen_Suppress */
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FILE CPL_DLL * VSIFOpen( const char *, const char * ) CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFClose( FILE * );
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int CPL_DLL VSIFSeek( FILE *, long, int ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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long CPL_DLL VSIFTell( FILE * ) CPL_WARN_UNUSED_RESULT;
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void CPL_DLL VSIRewind( FILE * );
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void CPL_DLL VSIFFlush( FILE * );
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size_t CPL_DLL VSIFRead( void *, size_t, size_t, FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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size_t CPL_DLL VSIFWrite( const void *, size_t, size_t, FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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char CPL_DLL *VSIFGets( char *, int, FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFPuts( const char *, FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFPrintf( FILE *, CPL_FORMAT_STRING(const char *), ... ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT CPL_PRINT_FUNC_FORMAT(2, 3);
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int CPL_DLL VSIFGetc( FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFPutc( int, FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIUngetc( int, FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFEof( FILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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/*! @endcond */
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/* ==================================================================== */
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/* VSIStat() related. */
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/* ==================================================================== */
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/*! @cond Doxygen_Suppress */
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typedef struct stat VSIStatBuf;
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int CPL_DLL VSIStat( const char *, VSIStatBuf * ) CPL_WARN_UNUSED_RESULT;
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/*! @endcond */
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#ifdef _WIN32
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# define VSI_ISLNK(x) ( 0 ) /* N/A on Windows */
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# define VSI_ISREG(x) ((x) & S_IFREG)
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# define VSI_ISDIR(x) ((x) & S_IFDIR)
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# define VSI_ISCHR(x) ((x) & S_IFCHR)
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# define VSI_ISBLK(x) ( 0 ) /* N/A on Windows */
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#else
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/** Test if the file is a symbolic link */
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# define VSI_ISLNK(x) S_ISLNK(x)
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/** Test if the file is a regular file */
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# define VSI_ISREG(x) S_ISREG(x)
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/** Test if the file is a directory */
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# define VSI_ISDIR(x) S_ISDIR(x)
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/*! @cond Doxygen_Suppress */
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# define VSI_ISCHR(x) S_ISCHR(x)
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# define VSI_ISBLK(x) S_ISBLK(x)
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/*! @endcond */
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#endif
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/* ==================================================================== */
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/* 64bit stdio file access functions. If we have a big size */
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/* defined, then provide prototypes for the large file API, */
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/* otherwise redefine to use the regular api. */
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/* ==================================================================== */
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/** Type for a file offset */
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typedef GUIntBig vsi_l_offset;
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/** Maximum value for a file offset */
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#define VSI_L_OFFSET_MAX GUINTBIG_MAX
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/*! @cond Doxygen_Suppress */
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/* Make VSIL_STRICT_ENFORCE active in DEBUG builds */
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#ifdef DEBUG
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#define VSIL_STRICT_ENFORCE
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#endif
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/*! @endcond */
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#ifdef VSIL_STRICT_ENFORCE
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/** Opaque type for a FILE that implements the VSIVirtualHandle API */
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typedef struct _VSILFILE VSILFILE;
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#else
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/** Opaque type for a FILE that implements the VSIVirtualHandle API */
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typedef FILE VSILFILE;
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#endif
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VSILFILE CPL_DLL * VSIFOpenL( const char *, const char * ) CPL_WARN_UNUSED_RESULT;
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VSILFILE CPL_DLL * VSIFOpenExL( const char *, const char *, int ) CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFCloseL( VSILFILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFSeekL( VSILFILE *, vsi_l_offset, int ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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vsi_l_offset CPL_DLL VSIFTellL( VSILFILE * ) CPL_WARN_UNUSED_RESULT;
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void CPL_DLL VSIRewindL( VSILFILE * );
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size_t CPL_DLL VSIFReadL( void *, size_t, size_t, VSILFILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFReadMultiRangeL( int nRanges, void ** ppData, const vsi_l_offset* panOffsets, const size_t* panSizes, VSILFILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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size_t CPL_DLL VSIFWriteL( const void *, size_t, size_t, VSILFILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFEofL( VSILFILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFTruncateL( VSILFILE *, vsi_l_offset ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFFlushL( VSILFILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIFPrintfL( VSILFILE *, CPL_FORMAT_STRING(const char *), ... ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT CPL_PRINT_FUNC_FORMAT(2, 3);
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int CPL_DLL VSIFPutcL( int, VSILFILE * ) EXPERIMENTAL_CPL_WARN_UNUSED_RESULT;
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/** Range status */
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typedef enum
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{
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VSI_RANGE_STATUS_UNKNOWN, /**< Unknown */
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VSI_RANGE_STATUS_DATA, /**< Data present */
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VSI_RANGE_STATUS_HOLE /**< Hole */
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} VSIRangeStatus;
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VSIRangeStatus CPL_DLL VSIFGetRangeStatusL( VSILFILE * fp, vsi_l_offset nStart, vsi_l_offset nLength );
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int CPL_DLL VSIIngestFile( VSILFILE* fp,
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const char* pszFilename,
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GByte** ppabyRet,
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vsi_l_offset* pnSize,
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GIntBig nMaxSize ) CPL_WARN_UNUSED_RESULT;
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#if defined(VSI_STAT64_T)
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/** Type for VSIStatL() */
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typedef struct VSI_STAT64_T VSIStatBufL;
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#else
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/** Type for VSIStatL() */
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#define VSIStatBufL VSIStatBuf
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#endif
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int CPL_DLL VSIStatL( const char *, VSIStatBufL * ) CPL_WARN_UNUSED_RESULT;
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/** Flag provided to VSIStatExL() to test if the file exists */
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#define VSI_STAT_EXISTS_FLAG 0x1
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/** Flag provided to VSIStatExL() to query the nature (file/dir) of the file */
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#define VSI_STAT_NATURE_FLAG 0x2
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/** Flag provided to VSIStatExL() to query the file size */
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#define VSI_STAT_SIZE_FLAG 0x4
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/** Flag provided to VSIStatExL() to issue a VSIError in case of failure */
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#define VSI_STAT_SET_ERROR_FLAG 0x8
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int CPL_DLL VSIStatExL( const char * pszFilename, VSIStatBufL * psStatBuf, int nFlags ) CPL_WARN_UNUSED_RESULT;
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int CPL_DLL VSIIsCaseSensitiveFS( const char * pszFilename );
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int CPL_DLL VSISupportsSparseFiles( const char* pszPath );
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int CPL_DLL VSIHasOptimizedReadMultiRange( const char* pszPath );
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const char CPL_DLL *VSIGetActualURL( const char* pszFilename );
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char CPL_DLL *VSIGetSignedURL( const char* pszFilename, CSLConstList papszOptions );
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const char CPL_DLL *VSIGetFileSystemOptions( const char* pszFilename );
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char CPL_DLL **VSIGetFileSystemsPrefixes( void );
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void CPL_DLL *VSIFGetNativeFileDescriptorL( VSILFILE* );
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/* ==================================================================== */
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/* Memory allocation */
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/* ==================================================================== */
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void CPL_DLL *VSICalloc( size_t, size_t ) CPL_WARN_UNUSED_RESULT;
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void CPL_DLL *VSIMalloc( size_t ) CPL_WARN_UNUSED_RESULT;
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void CPL_DLL VSIFree( void * );
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void CPL_DLL *VSIRealloc( void *, size_t ) CPL_WARN_UNUSED_RESULT;
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char CPL_DLL *VSIStrdup( const char * ) CPL_WARN_UNUSED_RESULT;
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void CPL_DLL *VSIMallocAligned( size_t nAlignment, size_t nSize ) CPL_WARN_UNUSED_RESULT;
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void CPL_DLL *VSIMallocAlignedAuto( size_t nSize ) CPL_WARN_UNUSED_RESULT;
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void CPL_DLL VSIFreeAligned( void* ptr );
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void CPL_DLL *VSIMallocAlignedAutoVerbose( size_t nSize, const char* pszFile, int nLine ) CPL_WARN_UNUSED_RESULT;
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/** VSIMallocAlignedAutoVerbose() with FILE and LINE reporting */
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#define VSI_MALLOC_ALIGNED_AUTO_VERBOSE( size ) VSIMallocAlignedAutoVerbose(size,__FILE__,__LINE__)
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/**
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VSIMalloc2 allocates (nSize1 * nSize2) bytes.
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In case of overflow of the multiplication, or if memory allocation fails, a
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NULL pointer is returned and a CE_Failure error is raised with CPLError().
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If nSize1 == 0 || nSize2 == 0, a NULL pointer will also be returned.
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CPLFree() or VSIFree() can be used to free memory allocated by this function.
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*/
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void CPL_DLL *VSIMalloc2( size_t nSize1, size_t nSize2 ) CPL_WARN_UNUSED_RESULT;
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/**
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VSIMalloc3 allocates (nSize1 * nSize2 * nSize3) bytes.
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In case of overflow of the multiplication, or if memory allocation fails, a
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NULL pointer is returned and a CE_Failure error is raised with CPLError().
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If nSize1 == 0 || nSize2 == 0 || nSize3 == 0, a NULL pointer will also be returned.
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CPLFree() or VSIFree() can be used to free memory allocated by this function.
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*/
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void CPL_DLL *VSIMalloc3( size_t nSize1, size_t nSize2, size_t nSize3 ) CPL_WARN_UNUSED_RESULT;
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/** VSIMallocVerbose */
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void CPL_DLL *VSIMallocVerbose( size_t nSize, const char* pszFile, int nLine ) CPL_WARN_UNUSED_RESULT;
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/** VSI_MALLOC_VERBOSE */
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#define VSI_MALLOC_VERBOSE( size ) VSIMallocVerbose(size,__FILE__,__LINE__)
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/** VSIMalloc2Verbose */
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void CPL_DLL *VSIMalloc2Verbose( size_t nSize1, size_t nSize2, const char* pszFile, int nLine ) CPL_WARN_UNUSED_RESULT;
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/** VSI_MALLOC2_VERBOSE */
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#define VSI_MALLOC2_VERBOSE( nSize1, nSize2 ) VSIMalloc2Verbose(nSize1,nSize2,__FILE__,__LINE__)
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/** VSIMalloc3Verbose */
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void CPL_DLL *VSIMalloc3Verbose( size_t nSize1, size_t nSize2, size_t nSize3, const char* pszFile, int nLine ) CPL_WARN_UNUSED_RESULT;
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/** VSI_MALLOC3_VERBOSE */
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#define VSI_MALLOC3_VERBOSE( nSize1, nSize2, nSize3 ) VSIMalloc3Verbose(nSize1,nSize2,nSize3,__FILE__,__LINE__)
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/** VSICallocVerbose */
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void CPL_DLL *VSICallocVerbose( size_t nCount, size_t nSize, const char* pszFile, int nLine ) CPL_WARN_UNUSED_RESULT;
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/** VSI_CALLOC_VERBOSE */
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#define VSI_CALLOC_VERBOSE( nCount, nSize ) VSICallocVerbose(nCount,nSize,__FILE__,__LINE__)
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/** VSIReallocVerbose */
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void CPL_DLL *VSIReallocVerbose( void* pOldPtr, size_t nNewSize, const char* pszFile, int nLine ) CPL_WARN_UNUSED_RESULT;
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/** VSI_REALLOC_VERBOSE */
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#define VSI_REALLOC_VERBOSE( pOldPtr, nNewSize ) VSIReallocVerbose(pOldPtr,nNewSize,__FILE__,__LINE__)
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/** VSIStrdupVerbose */
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char CPL_DLL *VSIStrdupVerbose( const char* pszStr, const char* pszFile, int nLine ) CPL_WARN_UNUSED_RESULT;
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/** VSI_STRDUP_VERBOSE */
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#define VSI_STRDUP_VERBOSE( pszStr ) VSIStrdupVerbose(pszStr,__FILE__,__LINE__)
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GIntBig CPL_DLL CPLGetPhysicalRAM(void);
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GIntBig CPL_DLL CPLGetUsablePhysicalRAM(void);
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/* ==================================================================== */
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/* Other... */
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/* ==================================================================== */
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/** Alias of VSIReadDir() */
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#define CPLReadDir VSIReadDir
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char CPL_DLL **VSIReadDir( const char * );
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char CPL_DLL **VSIReadDirRecursive( const char *pszPath );
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char CPL_DLL **VSIReadDirEx( const char *pszPath, int nMaxFiles );
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/** Opaque type for a directory iterator */
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typedef struct VSIDIR VSIDIR;
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VSIDIR CPL_DLL *VSIOpenDir( const char *pszPath,
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int nRecurseDepth,
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const char* const *papszOptions);
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/** Directory entry. */
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typedef struct VSIDIREntry
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{
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/** Filename */
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char* pszName;
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/** File mode. See VSI_ISREG() / VSI_ISDIR() */
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int nMode;
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/** File size */
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vsi_l_offset nSize;
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/** Last modification time (seconds since 1970/01/01) */
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GIntBig nMTime;
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/** Whether nMode is known: 0 = unknown, 1 = known. */
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char bModeKnown;
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/** Whether nSize is known: 0 = unknown, 1 = known. */
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char bSizeKnown;
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/** Whether nMTime is known: 0 = unknown, 1 = known. */
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char bMTimeKnown;
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/** NULL-terminated list of extra properties. */
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char** papszExtra;
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#if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
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/*! @cond Doxygen_Suppress */
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VSIDIREntry();
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~VSIDIREntry();
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VSIDIREntry(const VSIDIREntry&) = delete;
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VSIDIREntry& operator=(VSIDIREntry&) = delete;
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/*! @endcond */
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#endif
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} VSIDIREntry;
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const VSIDIREntry CPL_DLL *VSIGetNextDirEntry(VSIDIR* dir);
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void CPL_DLL VSICloseDir(VSIDIR* dir);
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int CPL_DLL VSIMkdir( const char * pszPathname, long mode );
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int CPL_DLL VSIMkdirRecursive( const char * pszPathname, long mode );
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int CPL_DLL VSIRmdir( const char * pszDirname );
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int CPL_DLL VSIRmdirRecursive( const char * pszDirname );
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int CPL_DLL VSIUnlink( const char * pszFilename );
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int CPL_DLL VSIRename( const char * oldpath, const char * newpath );
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int CPL_DLL VSISync( const char* pszSource, const char* pszTarget,
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const char* const * papszOptions,
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GDALProgressFunc pProgressFunc,
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void *pProgressData,
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char*** ppapszOutputs );
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char CPL_DLL *VSIStrerror( int );
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GIntBig CPL_DLL VSIGetDiskFreeSpace(const char *pszDirname);
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/* ==================================================================== */
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/* Install special file access handlers. */
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/* ==================================================================== */
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void CPL_DLL VSIInstallMemFileHandler(void);
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/*! @cond Doxygen_Suppress */
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void CPL_DLL VSIInstallLargeFileHandler(void);
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/*! @endcond */
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void CPL_DLL VSIInstallSubFileHandler(void);
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void VSIInstallCurlFileHandler(void);
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void CPL_DLL VSICurlClearCache(void);
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void CPL_DLL VSICurlPartialClearCache(const char* pszFilenamePrefix);
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void VSIInstallCurlStreamingFileHandler(void);
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void VSIInstallS3FileHandler(void);
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void VSIInstallS3StreamingFileHandler(void);
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void VSIInstallGSFileHandler(void);
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void VSIInstallGSStreamingFileHandler(void);
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void VSIInstallAzureFileHandler(void);
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void VSIInstallAzureStreamingFileHandler(void);
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void VSIInstallOSSFileHandler(void);
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void VSIInstallOSSStreamingFileHandler(void);
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void VSIInstallSwiftFileHandler(void);
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void VSIInstallSwiftStreamingFileHandler(void);
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void VSIInstallGZipFileHandler(void); /* No reason to export that */
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void VSIInstallZipFileHandler(void); /* No reason to export that */
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void VSIInstallStdinHandler(void); /* No reason to export that */
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void VSIInstallHdfsHandler(void); /* No reason to export that */
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void VSIInstallWebHdfsHandler(void); /* No reason to export that */
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void VSIInstallStdoutHandler(void); /* No reason to export that */
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void CPL_DLL VSIInstallSparseFileHandler(void);
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void VSIInstallTarFileHandler(void); /* No reason to export that */
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void CPL_DLL VSIInstallCryptFileHandler(void);
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void CPL_DLL VSISetCryptKey(const GByte* pabyKey, int nKeySize);
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/*! @cond Doxygen_Suppress */
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void CPL_DLL VSICleanupFileManager(void);
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/*! @endcond */
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VSILFILE CPL_DLL *VSIFileFromMemBuffer( const char *pszFilename,
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GByte *pabyData,
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vsi_l_offset nDataLength,
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int bTakeOwnership ) CPL_WARN_UNUSED_RESULT;
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GByte CPL_DLL *VSIGetMemFileBuffer( const char *pszFilename,
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vsi_l_offset *pnDataLength,
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int bUnlinkAndSeize );
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/** Callback used by VSIStdoutSetRedirection() */
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typedef size_t (*VSIWriteFunction)(const void* ptr, size_t size, size_t nmemb, FILE* stream);
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void CPL_DLL VSIStdoutSetRedirection( VSIWriteFunction pFct, FILE* stream );
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/* ==================================================================== */
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/* Time querying. */
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/* ==================================================================== */
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/*! @cond Doxygen_Suppress */
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unsigned long CPL_DLL VSITime( unsigned long * );
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const char CPL_DLL *VSICTime( unsigned long );
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struct tm CPL_DLL *VSIGMTime( const time_t *pnTime,
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struct tm *poBrokenTime );
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struct tm CPL_DLL *VSILocalTime( const time_t *pnTime,
|
|
struct tm *poBrokenTime );
|
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/*! @endcond */
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|
|
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/*! @cond Doxygen_Suppress */
|
|
/* -------------------------------------------------------------------- */
|
|
/* the following can be turned on for detailed logging of */
|
|
/* almost all IO calls. */
|
|
/* -------------------------------------------------------------------- */
|
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#ifdef VSI_DEBUG
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|
|
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#ifndef DEBUG
|
|
# define DEBUG
|
|
#endif
|
|
|
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#include "cpl_error.h"
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#define VSIDebug4(f,a1,a2,a3,a4) CPLDebug( "VSI", f, a1, a2, a3, a4 );
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#define VSIDebug3( f, a1, a2, a3 ) CPLDebug( "VSI", f, a1, a2, a3 );
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#define VSIDebug2( f, a1, a2 ) CPLDebug( "VSI", f, a1, a2 );
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#define VSIDebug1( f, a1 ) CPLDebug( "VSI", f, a1 );
|
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#else
|
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#define VSIDebug4( f, a1, a2, a3, a4 ) {}
|
|
#define VSIDebug3( f, a1, a2, a3 ) {}
|
|
#define VSIDebug2( f, a1, a2 ) {}
|
|
#define VSIDebug1( f, a1 ) {}
|
|
#endif
|
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/*! @endcond */
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|
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CPL_C_END
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|
|
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#endif /* ndef CPL_VSI_H_INCLUDED */
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