114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Archive code.
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*
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* The Initial Developer of the Original Code is Google Inc.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@meer.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "mar.h"
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#include "mar_private.h"
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#ifdef XP_WIN
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#include <io.h>
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#include <direct.h>
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#endif
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/* Ensure that the directory containing this file exists */
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static int mar_ensure_parent_dir(const char *path)
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{
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char *slash = strrchr(path, '/');
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if (slash)
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{
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*slash = '\0';
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mar_ensure_parent_dir(path);
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#ifdef XP_WIN
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_mkdir(path);
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#else
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mkdir(path, 0755);
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#endif
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*slash = '/';
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}
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return 0;
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}
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static int mar_test_callback(MarFile *mar, const MarItem *item, void *unused) {
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FILE *fp;
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char buf[BLOCKSIZE];
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int fd, len, offset = 0;
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if (mar_ensure_parent_dir(item->name))
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return -1;
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#ifdef XP_WIN
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fd = _open(item->name, _O_BINARY|_O_CREAT|_O_TRUNC|_O_WRONLY, item->flags);
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#else
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fd = creat(item->name, item->flags);
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#endif
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if (fd == -1)
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return -1;
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fp = fdopen(fd, "wb");
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if (!fp)
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return -1;
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while ((len = mar_read(mar, item, offset, buf, sizeof(buf))) > 0) {
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if (fwrite(buf, len, 1, fp) != 1)
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break;
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offset += len;
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}
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fclose(fp);
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return len == 0 ? 0 : -1;
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}
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int mar_extract(const char *path) {
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MarFile *mar;
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int rv;
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mar = mar_open(path);
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if (!mar)
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return -1;
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rv = mar_enum_items(mar, mar_test_callback, NULL);
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mar_close(mar);
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return rv;
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}
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