lib/librefuse/fuse_opt.h

   1 /*      $NetBSD: fuse_opt.h,v 1.5 2009/04/19 22:25:29 christos Exp $    */
   2
   3 /*
   4  * Copyright (c) 2007 Alistair Crooks.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote
  15  *    products derived from this software without specific prior written
  16  *    permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  19  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  24  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef _FUSE_OPT_H_
  32 #define _FUSE_OPT_H_
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 enum {
  39         FUSE_OPT_KEY_OPT = -1,
  40         FUSE_OPT_KEY_NONOPT = -2,
  41         FUSE_OPT_KEY_KEEP = -3,
  42         FUSE_OPT_KEY_DISCARD = -4
  43 };
  44
  45 struct fuse_opt {
  46         const char      *templ;
  47         int32_t         offset;
  48         int32_t         value;
  49 };
  50
  51 #define FUSE_OPT_KEY(templ, key) { templ, -1U, key }
  52 #define FUSE_OPT_END { .templ = NULL }
  53
  54 typedef int (*fuse_opt_proc_t)(void *, const char *, int, struct fuse_args *);
  55
  56
  57 int fuse_opt_add_arg(struct fuse_args *, const char *);
  58 struct fuse_args *fuse_opt_deep_copy_args(int, char **);
  59 void fuse_opt_free_args(struct fuse_args *);
  60 int fuse_opt_insert_arg(struct fuse_args *, int, const char *);
  61 int fuse_opt_add_opt(char **, const char *);
  62 int fuse_opt_parse(struct fuse_args *, void *,
  63                    const struct fuse_opt *, fuse_opt_proc_t);
  64 int fuse_opt_match(const struct fuse_opt *, const char *);
  65
  66 #ifdef __cplusplus
  67 }
  68 #endif
  69
  70 #endif /* _FUSE_OPT_H_ */