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lvm-string.h revision 1.1 
      1 /*	$NetBSD: lvm-string.h,v 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