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      1 /*	$NetBSD: fuse_opt.h,v 1.10 2022/01/22 08:01:50 pho 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 #include <stdint.h>
     35 
     36 #ifdef __cplusplus
     37 extern "C" {
     38 #endif
     39 
     40 enum {
     41 	FUSE_OPT_KEY_OPT = -1,
     42 	FUSE_OPT_KEY_NONOPT = -2,
     43 	FUSE_OPT_KEY_KEEP = -3,
     44 	FUSE_OPT_KEY_DISCARD = -4
     45 };
     46 
     47 struct fuse_args;
     48 
     49 struct fuse_opt {
     50 	const char	*templ;
     51 	int32_t		offset;
     52 	int32_t		value;
     53 };
     54 
     55 #define FUSE_OPT_KEY(templ, key) { templ, -1, key }
     56 #define FUSE_OPT_END { .templ = NULL }
     57 
     58 typedef int (*fuse_opt_proc_t)(void *, const char *, int, struct fuse_args *);
     59 
     60 
     61 int fuse_opt_add_arg(struct fuse_args *, const char *);
     62 struct fuse_args *fuse_opt_deep_copy_args(int, char **);
     63 void fuse_opt_free_args(struct fuse_args *);
     64 int fuse_opt_insert_arg(struct fuse_args *, int, const char *);
     65 int fuse_opt_add_opt(char **, const char *);
     66 int fuse_opt_add_opt_escaped(char **, const char *);
     67 int fuse_opt_parse(struct fuse_args *, void *,
     68 		   const struct fuse_opt *, fuse_opt_proc_t);
     69 int fuse_opt_match(const struct fuse_opt *, const char *);
     70 
     71 #ifdef __cplusplus
     72 }
     73 #endif
     74 
     75 #endif /* _FUSE_OPT_H_ */
     76