1 /* $NetBSD: lvm-string.h,v 1.1.1.1 2008/12/22 00:18:13 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