prdir.c

Netscape NSPR库源码

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape Portable Runtime (NSPR).
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#include "primpl.h"

PR_IMPLEMENT(PRDir*) PR_OpenDir(const char *name)
{
    PRDir *dir;
    PRStatus sts;

    dir = PR_NEW(PRDir);
    if (dir) {
        sts = _PR_MD_OPEN_DIR(&dir->md,name);
        if (sts != PR_SUCCESS) {
            PR_DELETE(dir);
            return NULL;
        }
    } else {
		PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
	}
    return dir;
}

PR_IMPLEMENT(PRDirEntry*) PR_ReadDir(PRDir *dir, PRDirFlags flags)
{
    /* _MD_READ_DIR return a char* to the name; allocation in machine-dependent code */
    char* name = _PR_MD_READ_DIR(&dir->md, flags);
    dir->d.name = name;
    return name ? &dir->d : NULL;
}

PR_IMPLEMENT(PRStatus) PR_CloseDir(PRDir *dir)
{
PRInt32 rv;

    if (dir) {
        rv = _PR_MD_CLOSE_DIR(&dir->md);
		PR_DELETE(dir);
		if (rv < 0) {
			return PR_FAILURE;
		} else
			return PR_SUCCESS;
    }
	return PR_SUCCESS;
}

PR_IMPLEMENT(PRStatus) PR_MkDir(const char *name, PRIntn mode)
{
PRInt32 rv;

	rv = _PR_MD_MKDIR(name, mode);
	if (rv < 0) {
		return PR_FAILURE;
	} else
		return PR_SUCCESS;
}

PR_IMPLEMENT(PRStatus) PR_MakeDir(const char *name, PRIntn mode)
{
PRInt32 rv;

	if (!_pr_initialized) _PR_ImplicitInitialization();
	rv = _PR_MD_MAKE_DIR(name, mode);
	if (rv < 0) {
		return PR_FAILURE;
	} else
		return PR_SUCCESS;
}

PR_IMPLEMENT(PRStatus) PR_RmDir(const char *name)
{
PRInt32 rv;

	rv = _PR_MD_RMDIR(name);
	if (rv < 0) {
		return PR_FAILURE;
	} else
		return PR_SUCCESS;
}