| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
| sl@0 | 1 |
/* |
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* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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*/ |
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/* |
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* ============================================================================== |
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* Name : getcwd.cpp |
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* Part of : libc library |
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* Description : gets current working directory. |
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* |
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* ============================================================================ |
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*/ |
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|
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#include "sysif.h" |
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#include <sys/errno.h> //error codes (ENOMEM, EINVAL) |
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#include "sysreent.h" |
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#include <string.h> //strlen |
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#include <stdlib.h> |
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|
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extern "C" {
|
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|
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/* |
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Gets the path name of the current working directory. |
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If a buffer is specified, the path name is placed in that buffer, |
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and the address of the buffer is returned. |
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*/ |
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EXPORT_C char* getcwd (char *_buf, size_t _size) |
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{
|
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|
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if (_buf != 0 && _size == 0) |
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{
|
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errno = EINVAL; |
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return NULL; |
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} |
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|
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char * _ourbuf = _buf; |
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if (_buf==0) |
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{
|
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if (_size >= (KMaxTInt/2)) |
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{
|
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errno=ENOMEM; |
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return _buf; |
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} |
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//coverity[alloc_fn] |
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//coverity[assign] |
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_ourbuf = (char *) malloc(_size); |
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if (_ourbuf == 0) |
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{
|
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errno=ENOMEM; |
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return _buf; |
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} |
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} |
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|
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//we are dealing with wide characters from here so we need a temporary buffer |
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wchar_t tmpbuf[KMaxFullName]; |
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//coverity[leave_without_push] |
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wchar_t *cret = _getcwd_r(&errno, tmpbuf, _size); |
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|
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if (cret) //we have a path |
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{
|
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//convert it to UTF8 |
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size_t x = wcstombs(_ourbuf, tmpbuf, _size); //convert the buffer |
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|
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//remove the trailing backslash |
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int cwd_len = strlen(_ourbuf); |
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if(_ourbuf[cwd_len - 1] == '\\') |
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_ourbuf[cwd_len - 1] = '\0'; |
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|
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return _ourbuf; |
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} |
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|
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//deal with the fact we may have allocated our own buffer |
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if (_buf != _ourbuf) //we allocated it. |
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{
|
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free(_ourbuf); |
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} |
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|
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return NULL; |
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} |
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|
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} // extern "C" |