os/ossrv/genericopenlibs/openenvcore/libc/src/system.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/system.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,65 @@
     1.4 +// Copyright (c) 2005-2009 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 +// Name        : system.cpp
    1.18 +// Part of     : libc library
    1.19 +// executes a given command/executable.
    1.20 +//
    1.21 +
    1.22 +
    1.23 +
    1.24 +#include <stdlib_r.h> //mbstowcs
    1.25 +#include "sysreent.h" //_wsystem_r
    1.26 +#include <errno.h>
    1.27 +#include <string.h>
    1.28 +
    1.29 +extern "C" {
    1.30 +
    1.31 +#define	MAXPATHLEN	260	/* E32STD.H: KMaxFullName + 4 to avoid data loss */
    1.32 +
    1.33 +int _system_r (struct _reent *r, const char* cmd);
    1.34 +
    1.35 +/*
    1.36 +Execute command.
    1.37 +*/
    1.38 +
    1.39 +EXPORT_C int system (const char* cmd)
    1.40 +	{
    1.41 +	return _system_r (_REENT,cmd);
    1.42 +	}
    1.43 +
    1.44 +/*
    1.45 +A reentrant version of system().
    1.46 +*/
    1.47 +int _system_r (struct _reent *r, const char* cmd)
    1.48 +	{
    1.49 +	wchar_t wcmd[MAXPATHLEN+1];
    1.50 +	
    1.51 +	if (cmd==0)
    1.52 +		{
    1.53 +		return 1;	// special case, says that we do support system().	
    1.54 +		}
    1.55 +
    1.56 +	if(strlen(cmd) > MAXPATHLEN)
    1.57 +		{
    1.58 +		errno = ENAMETOOLONG;
    1.59 +		return -1;	
    1.60 +		}
    1.61 +		
    1.62 +	if (((size_t)-1 != mbstowcs(wcmd, cmd, MAXPATHLEN)))
    1.63 +		return _wsystem_r(&r->_errno, wcmd);
    1.64 +		r->_errno = EILSEQ;
    1.65 +	return -1;
    1.66 +	}
    1.67 +
    1.68 +} // extern "C"