external/gpl2/lvm2/dist/include/lvm-string.h

   1 /*      $NetBSD$        */
   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