sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Name        : system.cpp
sl@0: // Part of     : libc library
sl@0: // executes a given command/executable.
sl@0: //
sl@0: 
sl@0: 
sl@0: 
sl@0: #include <stdlib_r.h> //mbstowcs
sl@0: #include "sysreent.h" //_wsystem_r
sl@0: #include <errno.h>
sl@0: #include <string.h>
sl@0: 
sl@0: extern "C" {
sl@0: 
sl@0: #define	MAXPATHLEN	260	/* E32STD.H: KMaxFullName + 4 to avoid data loss */
sl@0: 
sl@0: int _system_r (struct _reent *r, const char* cmd);
sl@0: 
sl@0: /*
sl@0: Execute command.
sl@0: */
sl@0: 
sl@0: EXPORT_C int system (const char* cmd)
sl@0: 	{
sl@0: 	return _system_r (_REENT,cmd);
sl@0: 	}
sl@0: 
sl@0: /*
sl@0: A reentrant version of system().
sl@0: */
sl@0: int _system_r (struct _reent *r, const char* cmd)
sl@0: 	{
sl@0: 	wchar_t wcmd[MAXPATHLEN+1];
sl@0: 	
sl@0: 	if (cmd==0)
sl@0: 		{
sl@0: 		return 1;	// special case, says that we do support system().	
sl@0: 		}
sl@0: 
sl@0: 	if(strlen(cmd) > MAXPATHLEN)
sl@0: 		{
sl@0: 		errno = ENAMETOOLONG;
sl@0: 		return -1;	
sl@0: 		}
sl@0: 		
sl@0: 	if (((size_t)-1 != mbstowcs(wcmd, cmd, MAXPATHLEN)))
sl@0: 		return _wsystem_r(&r->_errno, wcmd);
sl@0: 		r->_errno = EILSEQ;
sl@0: 	return -1;
sl@0: 	}
sl@0: 
sl@0: } // extern "C"