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/*
* 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
#define UUID_PREFIX "LVM-"
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);
char *build_dm_uuid(struct dm_pool *mem, const char *lvid,
const char *layer);
int validate_name(const char *n);
int validate_tag(const char *n);
int apply_lvname_restrictions(const char *name);
int is_reserved_lvname(const char *name);
/*
* 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);
/*
* Unescape colons and at signs in situ and save the substring starting
* at the position of the first unescaped colon and the first unescaped
* "at" sign.
*/
void unescape_colons_and_at_signs(char *src,
char **substr_first_unquoted_colon,
char **substr_first_unquoted_at_sign);
#endif
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