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 
26 struct pool;
27 
28 int emit_to_buffer(char **buffer, size_t *size, const char *fmt, ...)
29   __attribute__ ((format(printf, 3, 4)));
30 
31 char *build_dm_name(struct dm_pool *mem, const char *vg,
32                     const char *lv, const char *layer);
33 
34 int validate_name(const char *n);
35 
36 /*
37  * Returns number of occurrences of c in first len characters of str.
38  */
39 unsigned 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  */
44 size_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  */
52 char *escape_double_quotes(char *out, const char *src);
53 
54 /*
55  * Removes quoting of double quotation marks and backslashes in situ.
56  */
57 void unescape_double_quotes(char *src);
58 
59 #endif
60