1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/opendir.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,161 @@
     1.4 +// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// 
    1.18 +//
    1.19 +
    1.20 +#include <unistd.h>
    1.21 +#include <errno.h>
    1.22 +#include "sysreent.h"
    1.23 +#include <dirent.h>
    1.24 +#include <utf.h>
    1.25 +#include <stddef.h>
    1.26 +#include <string.h>
    1.27 +#include <stdlib.h>
    1.28 +#include <wchar.h>
    1.29 +#include <sys/errno.h>
    1.30 +#include "sysif.h"
    1.31 +
    1.32 +#define	MAXPATHLEN	260	/* E32STD.H: KMaxFullName + 4 to avoid data loss */
    1.33 +
    1.34 +extern "C" {
    1.35 +/*
    1.36 +Opens a directory.
    1.37 +*/
    1.38 +EXPORT_C DIR* opendir(const char* _path)
    1.39 +	{
    1.40 +	wchar_t _wpath[MAXPATHLEN+1];
    1.41 +	
    1.42 +	if (mbstowcs(_wpath, _path, MAXPATHLEN) == (size_t)-1)
    1.43 +		{
    1.44 +		errno = EILSEQ;
    1.45 +		return 0;
    1.46 +		}
    1.47 +	return _opendir_r(&errno, _wpath);
    1.48 +	}
    1.49 +
    1.50 +/* 
    1.51 +A wide-character version of opendir()
    1.52 +*/
    1.53 +EXPORT_C WDIR* wopendir(const wchar_t* _wpath)
    1.54 +	{
    1.55 +	if (!_wpath)
    1.56 +		{
    1.57 +		errno = ENOENT;
    1.58 +		return NULL;
    1.59 +		}
    1.60 +	return (WDIR*)_opendir_r(&errno, _wpath);
    1.61 +	}
    1.62 +
    1.63 +EXPORT_C struct dirent* readdir(DIR* dp)
    1.64 +	{
    1.65 +	return _readdir_r(&errno, dp);
    1.66 +	}
    1.67 +
    1.68 +EXPORT_C struct wdirent* wreaddir(WDIR* wdp)
    1.69 +	{
    1.70 +	if (!wdp)
    1.71 +		{
    1.72 +		errno = EBADF;
    1.73 +		return NULL;
    1.74 +		}
    1.75 +	return _wreaddir_r(wdp);
    1.76 +	}
    1.77 +
    1.78 +/*
    1.79 +Sets the position (associated with the directory stream that dirp points to) 
    1.80 +to the beginning of the directory. 
    1.81 +Additionally, it causes the directory stream to refer to the current state of 
    1.82 +the corresponding directory.
    1.83 +*/
    1.84 +EXPORT_C void wrewinddir(WDIR* wdp)
    1.85 +	{
    1.86 +	_wrewinddir_r(wdp);
    1.87 +	}
    1.88 +
    1.89 +EXPORT_C void rewinddir(DIR* dp)
    1.90 +	{
    1.91 +	WDIR* wdp = (__EPOC32_DIR*)dp;
    1.92 +	wrewinddir(wdp);
    1.93 +	}
    1.94 +
    1.95 +/*
    1.96 +closes the directory stream that dirp refers to. 
    1.97 +The memory associated with the directory stream is released. 
    1.98 +When this function returns, the value of dirp no longer point to 
    1.99 +an accessible object of type DIR
   1.100 +*/
   1.101 +
   1.102 +EXPORT_C int wclosedir(WDIR* wdp)
   1.103 +	{
   1.104 +	return _wclosedir_r(&errno,wdp);
   1.105 +	}
   1.106 +
   1.107 +EXPORT_C int closedir(DIR* dp)
   1.108 +	{
   1.109 +	if (!dp)
   1.110 +		{
   1.111 +		errno = EBADF;
   1.112 +		return -1;
   1.113 +		}
   1.114 +		
   1.115 +	WDIR* wdp =  (__EPOC32_DIR*)dp;
   1.116 +	return wclosedir(wdp);
   1.117 +	}
   1.118 +
   1.119 +/*
   1.120 +sets the position of the next readdir() operation on the directory 
   1.121 +stream specified by dp to the position specified by index.
   1.122 +*/
   1.123 +
   1.124 +EXPORT_C void wseekdir(WDIR* wdp, off_t index)
   1.125 +	{
   1.126 +	if(!wdp)
   1.127 +		{
   1.128 +	 	errno = EFAULT ;
   1.129 +		return ;	
   1.130 +		}
   1.131 +	wdp->iIndex = index;
   1.132 +	}
   1.133 +
   1.134 +EXPORT_C void seekdir(DIR* dp, long index)
   1.135 +	{
   1.136 +    WDIR* wdp = (__EPOC32_DIR*)dp;
   1.137 +	wseekdir(wdp, index);
   1.138 +	}
   1.139 +
   1.140 +
   1.141 +EXPORT_C off_t wtelldir(const WDIR* wdp)
   1.142 +	{
   1.143 +	if(!wdp)
   1.144 +		{
   1.145 +	 	errno = EFAULT ;
   1.146 +		return -1 ;	
   1.147 +		}
   1.148 +	if(wdp->iCount < 0 )
   1.149 +		{
   1.150 +		return -1;
   1.151 +		}
   1.152 +	return wdp->iIndex;
   1.153 +	}
   1.154 +
   1.155 +/*
   1.156 +Returns the current location associated with the directory stream dir.
   1.157 +*/
   1.158 +EXPORT_C long telldir(DIR* dp)
   1.159 +	{
   1.160 +	WDIR* wdp =  (__EPOC32_DIR*)dp;
   1.161 +	return (long)wtelldir(wdp);
   1.162 +	}
   1.163 +
   1.164 +}// extern "C"