refactored optionsfrom as in an object-oriented way using the options_t class. Eliminated all memory leaks

src/libstrongswan/utils/optionsfrom.h

@@ -6,8 +6,9 @@
  */
 
 /*
- * Copyright (C) 1998, 1999  Henry Spencer.
- * Copyright (C) 2007 Andreas Steffen, Hochschule fuer Technik Rapperswil
+ * Copyright (C) 2007-2008 Andreas Steffen
+ *
+ * Hochschule fuer Technik Rapperswil
  *
  * 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
@@ -18,20 +19,51 @@
  * 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.
+ *
+ * RCSID $Id$
  */
 
 #ifndef OPTIONSFROM_H_
 #define OPTIONSFROM_H_
 
+typedef struct options_t options_t;
+
 /**
- * @brief Pick up more options from a file, in the middle of an option scan
+ * @brief options object.
  * 
- * @param filename				file containing the options
- * @param argcp					pointer to argc
- * @param argvp					pointer to argv[]
- * @param optind				current optind, number of next argument
- * @return						TRUE if optionsfrom parsing successful
+ * @b Constructors:
+ *  - options_create()
+ *
+ * @ingroup utils
  */
-bool optionsfrom(const char *filename, int *argcp, char **argvp[], int optind);
+struct options_t {
+	/**
+	 * @brief Check if the PKCS#7 contentType is data
+	 *
+	 * @param this			calling object
+	 * @param filename			file containing the options
+	 * @param argcp				pointer to argc
+	 * @param argvp				pointer to argv[]
+	 * @param optind				current optind, number of next argument
+	 * @return						TRUE if optionsfrom parsing successful
+	 */
+	bool (*from) (options_t * this, char *filename, int *argcp, char **argvp[], int optind);
+
+	/**
+	 * @brief Destroys the options_t object.
+	 *
+	 * @param this			options_t object to destroy
+	 */
+	void (*destroy) (options_t *this);
+};
+
+/**
+ * @brief Create an options object.
+ *
+ * @return						created options_t object
+ *
+ * @ingroup utils
+ */
+options_t *options_create(void);
 
 #endif /*OPTIONSFROM_H_*/