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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>GDAL: cpl_vsi.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.1 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>cpl_vsi.h</h1><a href="cpl__vsi_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/******************************************************************************</span><a name="l00002"></a>00002 <span class="comment"> * $Id: cpl_vsi.h 10646 2007-01-18 02:38:10Z warmerdam $</span><a name="l00003"></a>00003 <span class="comment"> *</span><a name="l00004"></a>00004 <span class="comment"> * Project: CPL - Common Portability Library</span><a name="l00005"></a>00005 <span class="comment"> * Author: Frank Warmerdam, warmerdam@pobox.com</span><a name="l00006"></a>00006 <span class="comment"> * Purpose: Include file defining Virtual File System (VSI) functions, a</span><a name="l00007"></a>00007 <span class="comment"> * layer over POSIX file and other system services. </span><a name="l00008"></a>00008 <span class="comment"> *</span><a name="l00009"></a>00009 <span class="comment"> ******************************************************************************</span><a name="l00010"></a>00010 <span class="comment"> * Copyright (c) 1998, Frank Warmerdam</span><a name="l00011"></a>00011 <span class="comment"> *</span><a name="l00012"></a>00012 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span><a name="l00013"></a>00013 <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span><a name="l00014"></a>00014 <span class="comment"> * to deal in the Software without restriction, including without limitation</span><a name="l00015"></a>00015 <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span><a name="l00016"></a>00016 <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span><a name="l00017"></a>00017 <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span><a name="l00018"></a>00018 <span class="comment"> *</span><a name="l00019"></a>00019 <span class="comment"> * The above copyright notice and this permission notice shall be included</span><a name="l00020"></a>00020 <span class="comment"> * in all copies or substantial portions of the Software.</span><a name="l00021"></a>00021 <span class="comment"> *</span><a name="l00022"></a>00022 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span><a name="l00023"></a>00023 <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span><a name="l00024"></a>00024 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span><a name="l00025"></a>00025 <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span><a name="l00026"></a>00026 <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span><a name="l00027"></a>00027 <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span><a name="l00028"></a>00028 <span class="comment"> * DEALINGS IN THE SOFTWARE.</span><a name="l00029"></a>00029 <span class="comment"> ****************************************************************************/</span><a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="preprocessor">#ifndef CPL_VSI_H_INCLUDED</span><a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define CPL_VSI_H_INCLUDED</span><a name="l00033"></a>00033 <span class="preprocessor"></span><a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="cpl__port_8h.html">cpl_port.h</a>"</span><a name="l00054"></a>00054 <span class="comment">/* -------------------------------------------------------------------- */</span><a name="l00055"></a>00055 <span class="comment">/* We need access to ``struct stat''. */</span><a name="l00056"></a>00056 <span class="comment">/* -------------------------------------------------------------------- */</span><a name="l00057"></a>00057 <a name="l00058"></a>00058 <span class="comment">/* Unix */</span><a name="l00059"></a>00059 <span class="preprocessor">#if !defined(_WIN32) && !defined(_WIN32_WCE)</span><a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor"># include <unistd.h></span><a name="l00061"></a>00061 <span class="preprocessor">#endif</span><a name="l00062"></a>00062 <span class="preprocessor"></span><a name="l00063"></a>00063 <span class="comment">/* Windows */</span><a name="l00064"></a>00064 <span class="preprocessor">#if !defined(macos_pre10) && !defined(_WIN32_WCE)</span><a name="l00065"></a>00065 <span class="preprocessor"></span><span class="preprocessor"># include <sys/stat.h></span><a name="l00066"></a>00066 <span class="preprocessor">#endif</span><a name="l00067"></a>00067 <span class="preprocessor"></span><a name="l00068"></a>00068 <span class="comment">/* Windows CE */</span><a name="l00069"></a>00069 <span class="preprocessor">#if defined(_WIN32_WCE)</span><a name="l00070"></a>00070 <span class="preprocessor"></span><span class="preprocessor"># include <wce_stat.h></span><a name="l00071"></a>00071 <span class="preprocessor">#endif</span><a name="l00072"></a>00072 <span class="preprocessor"></span><a name="l00073"></a>00073 CPL_C_START<a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="comment">/* ==================================================================== */</span><a name="l00076"></a>00076 <span class="comment">/* stdio file access functions. These may not support large */</span><a name="l00077"></a>00077 <span class="comment">/* files, and don't necessarily go through the virtualization */</span><a name="l00078"></a>00078 <span class="comment">/* API. */</span><a name="l00079"></a>00079 <span class="comment">/* ==================================================================== */</span><a name="l00080"></a>00080 <a name="l00081"></a>00081 FILE CPL_DLL * VSIFOpen( <span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keyword">const</span> <span class="keywordtype">char</span> * );<a name="l00082"></a>00082 <span class="keywordtype">int</span> CPL_DLL VSIFClose( FILE * );<a name="l00083"></a>00083 <span class="keywordtype">int</span> CPL_DLL VSIFSeek( FILE *, <span class="keywordtype">long</span>, <span class="keywordtype">int</span> );<a name="l00084"></a>00084 <span class="keywordtype">long</span> CPL_DLL VSIFTell( FILE * );<a name="l00085"></a>00085 <span class="keywordtype">void</span> CPL_DLL VSIRewind( FILE * );<a name="l00086"></a>00086 <span class="keywordtype">void</span> CPL_DLL VSIFFlush( FILE * );<a name="l00087"></a>00087 <a name="l00088"></a>00088 size_t CPL_DLL VSIFRead( <span class="keywordtype">void</span> *, size_t, size_t, FILE * );<a name="l00089"></a>00089 size_t CPL_DLL VSIFWrite( <span class="keyword">const</span> <span class="keywordtype">void</span> *, size_t, size_t, FILE * );<a name="l00090"></a>00090 <span class="keywordtype">char</span> CPL_DLL *VSIFGets( <span class="keywordtype">char</span> *, <span class="keywordtype">int</span>, FILE * );<a name="l00091"></a>00091 <span class="keywordtype">int</span> CPL_DLL VSIFPuts( <span class="keyword">const</span> <span class="keywordtype">char</span> *, FILE * );<a name="l00092"></a>00092 <span class="keywordtype">int</span> CPL_DLL VSIFPrintf( FILE *, <span class="keyword">const</span> <span class="keywordtype">char</span> *, ... );<a name="l00093"></a>00093 <a name="l00094"></a>00094 <span class="keywordtype">int</span> CPL_DLL VSIFGetc( FILE * );<a name="l00095"></a>00095 <span class="keywordtype">int</span> CPL_DLL VSIFPutc( <span class="keywordtype">int</span>, FILE * );<a name="l00096"></a>00096 <span class="keywordtype">int</span> CPL_DLL VSIUngetc( <span class="keywordtype">int</span>, FILE * );<a name="l00097"></a>00097 <span class="keywordtype">int</span> CPL_DLL VSIFEof( FILE * );<a name="l00098"></a>00098 <a name="l00099"></a>00099 <span class="comment">/* ==================================================================== */</span><a name="l00100"></a>00100 <span class="comment">/* VSIStat() related. */</span><a name="l00101"></a>00101 <span class="comment">/* ==================================================================== */</span><a name="l00102"></a>00102 <a name="l00103"></a>00103 <span class="keyword">typedef</span> <span class="keyword">struct </span>stat VSIStatBuf;<a name="l00104"></a>00104 <span class="keywordtype">int</span> CPL_DLL VSIStat( <span class="keyword">const</span> <span class="keywordtype">char</span> *, VSIStatBuf * );<a name="l00105"></a>00105 <a name="l00106"></a>00106 <span class="preprocessor">#ifdef _WIN32</span><a name="l00107"></a>00107 <span class="preprocessor"></span><span class="preprocessor"># define VSI_ISLNK(x) ( 0 ) </span><span class="comment">/* N/A on Windows */</span><a name="l00108"></a>00108 <span class="preprocessor"># define VSI_ISREG(x) ((x) & S_IFREG)</span><a name="l00109"></a>00109 <span class="preprocessor"></span><span class="preprocessor"># define VSI_ISDIR(x) ((x) & S_IFDIR)</span><a name="l00110"></a>00110 <span class="preprocessor"></span><span class="preprocessor"># define VSI_ISCHR(x) ((x) & S_IFCHR)</span><a name="l00111"></a>00111 <span class="preprocessor"></span><span class="preprocessor"># define VSI_ISBLK(x) ( 0 ) </span><span class="comment">/* N/A on Windows */</span><a name="l00112"></a>00112 <span class="preprocessor">#else</span>⌨️ 快捷键说明
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