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Diffstat (limited to 'common/eurephia_nullsafe.h')
| -rw-r--r-- | common/eurephia_nullsafe.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common/eurephia_nullsafe.h b/common/eurephia_nullsafe.h new file mode 100644 index 0000000..a980cfe --- /dev/null +++ b/common/eurephia_nullsafe.h @@ -0,0 +1,33 @@ +/* eurephia_nullsafe.h + * + * standard C string functions, which is made NULL safe by checking + * if input value is NULL before performing the action. + * + * + * GPLv2 - 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;} + +#endif /* !EUREPHIA_NULLSAFE_H_ */ |