/*      $NetBSD: lvm-string.h,v 1.1.1.1 2008/12/22 00:18:43 haad Exp $  */

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _LVM_STRING_H
#define _LVM_STRING_H

#include <stdio.h>
#include <stdarg.h>

#define NAME_LEN 128

struct pool;

int emit_to_buffer(char **buffer, size_t *size, const char *fmt, ...)
 __attribute__ ((format(printf, 3, 4)));

char *build_dm_name(struct dm_pool *mem, const char *vg,
                   const char *lv, const char *layer);

int validate_name(const char *n);

/*
* Returns number of occurrences of c in first len characters of str.
*/
unsigned count_chars(const char *str, size_t len, const int c);

/*
* Returns what length of escaped string would be including terminating NUL.
*/
size_t escaped_len(const char *str);

/*
* Copies a string from src to out.
* Double quotation marks and backslashes are quoted with a backslash.
* Caller must ensure *out has enough space - see escaped_len().
* Returns *out.
*/
char *escape_double_quotes(char *out, const char *src);

/*
* Removes quoting of double quotation marks and backslashes in situ.
*/
void unescape_double_quotes(char *src);

#endif