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/* eurephia_nullsafe.h
*
* standard C string functions, which is made NULL safe by checking
* if input value is NULL before performing the action.
*
* GPLv2 only - Copyright (C) 2008
* David Sommerseth <dazo@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; version 2
* of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef EUREPHIA_NULLSAFE_H_
#define EUREPHIA_NULLSAFE_H_
#define atoi_nullsafe(str) (str != NULL ? atoi(str) : 0)
#define strdup_nullsafe(str) (str != NULL ? strdup(str) : NULL)
#define strlen_nullsafe(str) (str != NULL ? strlen(str) : 0)
#define free_nullsafe(str) if( str != NULL ) { free(str); str = NULL;}
#define defaultValue(str, defstr) (strlen_nullsafe(str) == 0 ? defstr : str)
#define defaultIntValue(ival, defval) (ival == 0 ? defval : ival)
#endif /* !EUREPHIA_NULLSAFE_H_ */
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