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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <!-- | |
| 4 Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 5 Use of this source code is governed by a BSD-style license that can be | |
| 6 found in the LICENSE file. | |
| 7 --> | |
| 8 <head> | |
| 9 <meta http-equiv="Pragma" content="no-cache"> | |
| 10 <meta http-equiv="Expires" content="-1"> | |
| 11 <title><TITLE></title> | |
| 12 <script type="text/javascript" src="common.js"></script> | |
| 13 <script type="text/javascript" src="example.js"></script> | |
| 14 </head> | |
| 15 <body data-name="<NAME>" data-tc="<tc>" data-path="<path>" | |
| 16 data-custom-load="true"> | |
| 17 <h1><TITLE></h1> | |
| 18 <h2>Status: <code id="statusField">NO-STATUS</code></h2> | |
| 19 <p> | |
| 20 This example shows how you can use standard C library file operation | |
| 21 functions in Native Client using a library called nacl_mounts. | |
| 22 </p> | |
| 23 <p> | |
| 24 nacl_mounts provides a virtual filesystem. The filesystem can be "mounted" | |
| 25 in a given directory tree. When you perform operations on files in those | |
| 26 directories, the mount determines how those operations should be performed. | |
| 27 </p> | |
| 28 <p> | |
| 29 This example has three mounts by default. | |
| 30 <ol> | |
| 31 <li><i>/</i> the root of the filesystem. This is a memory mount, and | |
| 32 is non-persistent.</li> | |
| 33 <li><i>/persistent</i> a persistent storage area. Any data written | |
| 34 here can be read back after Chrome is restarted.</li> | |
| 35 <li><i>/http</i> a mount that can read from a URL. Try reading from | |
| 36 /http/index.html.</li> | |
| 37 <li><i>/dev</i> a mount containing some utility files. /dev/null, | |
| 38 /dev/zero, etc.</li> | |
| 39 </ol> | |
| 40 </p> | |
| 41 <div> | |
| 42 <span> | |
| 43 <input type="radio" id="radiofopen" name="group" checked="checked">fopen | |
| 44 <input type="radio" id="radiofclose" name="group">fclose | |
| 45 <input type="radio" id="radiofread" name="group">fread | |
| 46 <input type="radio" id="radiofwrite" name="group">fwrite | |
| 47 <input type="radio" id="radiofseek" name="group">fseek | |
| 48 </span> | |
| 49 </div> | |
| 50 <div class="function" id="fopen"> | |
| 51 <span> | |
| 52 Filename: | |
| 53 <input type="text" id="fopenFilename"> | |
| 54 <select id="fopenMode"> | |
| 55 <option value="r">Read Existing (r)</option> | |
| 56 <option value="r+">Read/Write Existing (r+)</option> | |
| 57 <option value="w">Write New File (w)</option> | |
| 58 <option value="w+">Read/Write New File (w+)</option> | |
| 59 <option value="a">Append Write (a)</option> | |
| 60 <option value="w+">Append Read/Write (a+)</option> | |
| 61 </select> | |
| 62 <button id="fopenExecute">fopen</button> | |
| 63 </span> | |
| 64 </div> | |
| 65 <div class="function" id="fclose" hidden> | |
| 66 <span> | |
| 67 <select class="file-handle" id="fcloseHandle"></select> | |
| 68 <button id="fcloseExecute">fclose</button> | |
| 69 </span> | |
| 70 </div> | |
| 71 <div class="function" id="fread" hidden> | |
| 72 <span> | |
| 73 <select class="file-handle" id="freadHandle"></select> | |
| 74 Count: | |
| 75 <input type="text" id="freadBytes"> | |
| 76 <button id="freadExecute">fread</button> | |
| 77 </span> | |
| 78 </div> | |
| 79 <div class="function" id="fwrite" hidden> | |
| 80 <span> | |
| 81 <select class="file-handle" id="fwriteHandle"></select> | |
| 82 Data: | |
| 83 <input type="text" id="fwriteData"> | |
| 84 <button id="fwriteExecute">fwrite</button> | |
| 85 </span> | |
| 86 </div> | |
| 87 <div class="function" id="fseek" hidden> | |
| 88 <span> | |
| 89 <select class="file-handle" id="fseekHandle"></select> | |
| 90 Offset: | |
| 91 <input type="text" id="fseekOffset"> | |
| 92 Whence: | |
| 93 <select id="fseekWhence"> | |
| 94 <option value="0">SEEK_SET</option> | |
| 95 <option value="1">SEEK_CUR</option> | |
| 96 <option value="2">SEEK_END</option> | |
| 97 </select> | |
| 98 <button id="fseekExecute">fseek</button> | |
| 99 </span> | |
| 100 </div> | |
| 101 <!-- The NaCl plugin will be embedded inside the element with id "listener". | |
| 102 See common.js.--> | |
| 103 <div id="listener"></div> | |
| 104 <div id="log"></div> | |
| 105 </body> | |
| 106 </html> | |
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