/*

 * iSCSI variable-sized string buffers

 *

 * Copyright (C) 2002 Cisco Systems, Inc.

 * maintained by linux-iscsi-devel@lists.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; either version 2 of the License, or

 * (at your option) any later version.

 *

 * 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.

 *

 * See the file COPYING included with this distribution for more details.

 */

#ifndef STRINGS_H

#define STRINGS_H

struct str_buffer {

	size_t allocated_length;

	size_t data_length;	/* not including the trailing NUL */

	char *buffer;

};

extern int str_init_buffer(struct str_buffer *s, size_t initial_allocation);

extern struct str_buffer *str_alloc_buffer(size_t initial_allocation);

extern void str_free_buffer(struct str_buffer *s);

extern int str_enlarge_data(struct str_buffer *s, int length);

extern void str_remove_initial(struct str_buffer *s, int length);

extern void str_truncate_buffer(struct str_buffer *s, size_t length);

extern char *str_buffer_data(struct str_buffer *s);

extern size_t str_data_length(struct str_buffer *s);

extern size_t str_unused_length(struct str_buffer *s);

#endif /* STRINGS_H */