1/*	$NetBSD: lvm-string.h,v 1.1.1.1 2008/12/22 00:18:43 haad Exp $	*/
2
3/*
4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5 * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
6 *
7 * This file is part of LVM2.
8 *
9 * This copyrighted material is made available to anyone wishing to use,
10 * modify, copy, or redistribute it subject to the terms and conditions
11 * of the GNU Lesser General Public License v.2.1.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16 */
17
18#ifndef _LVM_STRING_H
19#define _LVM_STRING_H
20
21#include <stdio.h>
22#include <stdarg.h>
23
24#define NAME_LEN 128
25
26struct pool;
27
28int emit_to_buffer(char **buffer, size_t *size, const char *fmt, ...)
29  __attribute__ ((format(printf, 3, 4)));
30
31char *build_dm_name(struct dm_pool *mem, const char *vg,
32                    const char *lv, const char *layer);
33
34int validate_name(const char *n);
35
36/*
37 * Returns number of occurrences of c in first len characters of str.
38 */
39unsigned count_chars(const char *str, size_t len, const int c);
40
41/*
42 * Returns what length of escaped string would be including terminating NUL.
43 */
44size_t escaped_len(const char *str);
45
46/*
47 * Copies a string from src to out.
48 * Double quotation marks and backslashes are quoted with a backslash.
49 * Caller must ensure *out has enough space - see escaped_len().
50 * Returns *out.
51 */
52char *escape_double_quotes(char *out, const char *src);
53
54/*
55 * Removes quoting of double quotation marks and backslashes in situ.
56 */
57void unescape_double_quotes(char *src);
58
59#endif
60