Back to index

lightning-sunbird  0.9+nobinonly
prdir.c
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is the Netscape Portable Runtime (NSPR).
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998-2000
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Roy Yokoyama <yokoyama@netscape.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "primpl.h"
00040 
00041 PR_IMPLEMENT(PRDir*) PR_OpenDir(const char *name)
00042 {
00043     PRDir *dir;
00044     PRStatus sts;
00045 
00046     dir = PR_NEW(PRDir);
00047     if (dir) {
00048         sts = _PR_MD_OPEN_DIR(&dir->md,name);
00049         if (sts != PR_SUCCESS) {
00050             PR_DELETE(dir);
00051             return NULL;
00052         }
00053     } else {
00054               PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
00055        }
00056     return dir;
00057 }
00058 
00059 PR_IMPLEMENT(PRDirEntry*) PR_ReadDir(PRDir *dir, PRDirFlags flags)
00060 {
00061     /* _MD_READ_DIR return a char* to the name; allocation in machine-dependent code */
00062     char* name = _PR_MD_READ_DIR(&dir->md, flags);
00063     dir->d.name = name;
00064     return name ? &dir->d : NULL;
00065 }
00066 
00067 PR_IMPLEMENT(PRStatus) PR_CloseDir(PRDir *dir)
00068 {
00069 PRInt32 rv;
00070 
00071     if (dir) {
00072         rv = _PR_MD_CLOSE_DIR(&dir->md);
00073               PR_DELETE(dir);
00074               if (rv < 0) {
00075                      return PR_FAILURE;
00076               } else
00077                      return PR_SUCCESS;
00078     }
00079        return PR_SUCCESS;
00080 }
00081 
00082 PR_IMPLEMENT(PRStatus) PR_MkDir(const char *name, PRIntn mode)
00083 {
00084 PRInt32 rv;
00085 
00086        rv = _PR_MD_MKDIR(name, mode);
00087        if (rv < 0) {
00088               return PR_FAILURE;
00089        } else
00090               return PR_SUCCESS;
00091 }
00092 
00093 PR_IMPLEMENT(PRStatus) PR_MakeDir(const char *name, PRIntn mode)
00094 {
00095 PRInt32 rv;
00096 
00097        if (!_pr_initialized) _PR_ImplicitInitialization();
00098        rv = _PR_MD_MAKE_DIR(name, mode);
00099        if (rv < 0) {
00100               return PR_FAILURE;
00101        } else
00102               return PR_SUCCESS;
00103 }
00104 
00105 PR_IMPLEMENT(PRStatus) PR_RmDir(const char *name)
00106 {
00107 PRInt32 rv;
00108 
00109        rv = _PR_MD_RMDIR(name);
00110        if (rv < 0) {
00111               return PR_FAILURE;
00112        } else
00113               return PR_SUCCESS;
00114 }
00115 
00116 #ifdef MOZ_UNICODE
00117 /*
00118  *  UTF16 Interface
00119  */
00120 PR_IMPLEMENT(PRDirUTF16*) PR_OpenDirUTF16(const PRUnichar *name)
00121 { 
00122     PRDirUTF16 *dir;
00123     PRStatus sts;
00124 
00125     dir = PR_NEW(PRDirUTF16);
00126     if (dir) {
00127         sts = _PR_MD_OPEN_DIR_UTF16(&dir->md,name);
00128         if (sts != PR_SUCCESS) {
00129             PR_DELETE(dir);
00130             return NULL;
00131         }
00132     } else {
00133         PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
00134     }
00135     return dir;
00136 }  
00137  
00138 PR_IMPLEMENT(PRDirEntryUTF16*) PR_ReadDirUTF16(PRDirUTF16 *dir, PRDirFlags flags)
00139 { 
00140     /*
00141      * _MD_READ_DIR_UTF16 return a PRUnichar* to the name; allocation in
00142      * machine-dependent code
00143      */
00144     PRUnichar* name = _PR_MD_READ_DIR_UTF16(&dir->md, flags);
00145     dir->d.name = name;
00146     return name ? &dir->d : NULL;
00147 } 
00148  
00149 PR_IMPLEMENT(PRStatus) PR_CloseDirUTF16(PRDirUTF16 *dir)
00150 { 
00151     PRInt32 rv; 
00152 
00153     if (dir) {
00154         rv = _PR_MD_CLOSE_DIR_UTF16(&dir->md);
00155         PR_DELETE(dir);
00156         if (rv < 0)
00157            return PR_FAILURE;
00158         else
00159            return PR_SUCCESS;
00160     } 
00161     return PR_SUCCESS;
00162 }
00163 
00164 #endif /* MOZ_UNICODE */