fuse_lowlevel.h: new file, currently only contains fuse_parse_cmdline(3) and struct fuse_cmdline_opts
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pho
parent
ac36483cc7
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0e4f248f77
@ -1,4 +1,4 @@
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# $NetBSD: mi,v 1.2068 2016/10/29 17:12:20 kamil Exp $
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# $NetBSD: mi,v 1.2069 2016/11/20 13:26:28 pho Exp $
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#
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# Note: don't delete entries from here - mark them as "obsolete" instead.
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./etc/mtree/set.comp comp-sys-root
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@ -839,6 +839,7 @@
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./usr/include/fts.h comp-c-include
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./usr/include/ftw.h comp-c-include
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./usr/include/fuse.h comp-refuse-include
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./usr/include/fuse_lowlevel.h comp-refuse-include
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./usr/include/fuse_opt.h comp-refuse-include
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./usr/include/g++/ACG.h comp-obsolete obsolete
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./usr/include/g++/AllocRing.h comp-obsolete obsolete
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.10 2016/01/23 21:22:46 christos Exp $
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# $NetBSD: Makefile,v 1.11 2016/11/20 13:26:28 pho Exp $
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USE_FORT?= yes # data driven bugs?
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@ -11,11 +11,11 @@ FUSE_OPT_DEBUG_FLAGS= -g -DFUSE_OPT_DEBUG
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.endif
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CFLAGS+= ${FUSE_OPT_DEBUG_FLAGS}
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CPPFLAGS+= -D_KERNTYPES
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SRCS= refuse.c refuse_opt.c
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CPPFLAGS+= -I${.CURDIR} -D_KERNTYPES
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SRCS= refuse.c refuse_opt.c refuse_lowlevel.c
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MAN= refuse.3
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WARNS?= 5
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INCS= fuse.h fuse_opt.h
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INCS= fuse.h fuse_opt.h fuse_lowlevel.h
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INCSDIR= /usr/include
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.include <bsd.lib.mk>
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59
lib/librefuse/fuse_lowlevel.h
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59
lib/librefuse/fuse_lowlevel.h
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@ -0,0 +1,59 @@
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/* $NetBSD: fuse_lowlevel.h,v 1.1 2016/11/20 13:26:28 pho Exp $ */
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/*
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FUSE_LOWLEVEL_H_
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#define _FUSE_LOWLEVEL_H_
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#include <fuse.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct fuse_cmdline_opts {
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int singlethread;
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int foreground;
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int debug;
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int nodefault_fsname;
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char *mountpoint;
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int show_version;
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int show_help;
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};
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int fuse_parse_cmdline(struct fuse_args *args, struct fuse_cmdline_opts *opts);
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void fuse_lowlevel_version(void);
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void fuse_cmdline_help(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FUSE_LOWLEVEL_H_ */
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147
lib/librefuse/refuse_lowlevel.c
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147
lib/librefuse/refuse_lowlevel.c
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@ -0,0 +1,147 @@
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/* $NetBSD: refuse_lowlevel.c,v 1.1 2016/11/20 13:26:28 pho Exp $ */
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/*
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if !defined(lint)
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__RCSID("$NetBSD: refuse_lowlevel.c,v 1.1 2016/11/20 13:26:28 pho Exp $");
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#endif /* !lint */
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#include <fuse_lowlevel.h>
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#include <fuse_opt.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define REFUSE_LOWLEVEL_OPT(t, p, v) \
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{ t, offsetof(struct fuse_cmdline_opts, p), v }
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static struct fuse_opt fuse_lowlevel_opts[] = {
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REFUSE_LOWLEVEL_OPT("-h" , show_help , 1),
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REFUSE_LOWLEVEL_OPT("--help" , show_help , 1),
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REFUSE_LOWLEVEL_OPT("-V" , show_version , 1),
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REFUSE_LOWLEVEL_OPT("--version", show_version , 1),
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REFUSE_LOWLEVEL_OPT("-d" , debug , 1),
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REFUSE_LOWLEVEL_OPT("debug" , debug , 1),
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REFUSE_LOWLEVEL_OPT("-d" , foreground , 1),
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REFUSE_LOWLEVEL_OPT("debug" , foreground , 1),
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REFUSE_LOWLEVEL_OPT("-f" , foreground , 1),
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REFUSE_LOWLEVEL_OPT("-s" , singlethread , 1),
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REFUSE_LOWLEVEL_OPT("fsname=" , nodefault_fsname, 1),
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FUSE_OPT_KEY ("fsname=" , FUSE_OPT_KEY_KEEP ),
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FUSE_OPT_END
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};
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void fuse_lowlevel_version(void)
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{
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/* XXX: Print something */
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}
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void fuse_cmdline_help(void)
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{
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printf("refuse options:\n"
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" -d, -o debug enable debug output, implies -f\n"
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" -f foreground mode\n"
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" -s single threaded mode (always enabled for now)\n"
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" -o fsname=NAME explicitly set the name of the file system\n");
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}
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static int refuse_lowlevel_opt_proc(void* data, const char *arg, int key,
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struct fuse_args *outargs)
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{
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struct fuse_cmdline_opts *opts = data;
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switch (key) {
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case FUSE_OPT_KEY_NONOPT:
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if (opts->mountpoint == NULL) {
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return fuse_opt_add_opt(&opts->mountpoint, arg);
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}
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else {
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(void)fprintf(stderr, "fuse: invalid argument: %s\n", arg);
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return -1;
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}
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default:
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return 1; /* keep the argument */
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}
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}
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static int add_default_fsname(struct fuse_args *args)
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{
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const char *arg0 = args->argv[0];
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const char *slash;
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if (arg0 == NULL || arg0[0] == '\0') {
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return fuse_opt_add_arg(args, "-ofsname=refuse");
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} else {
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char *arg;
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int rv;
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if ((slash = strrchr(arg0, '/')) == NULL) {
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slash = arg0;
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} else {
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slash += 1;
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}
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if (asprintf(&arg, "-ofsname=refuse:%s", slash) == -1)
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return -1;
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rv = fuse_opt_add_arg(args, arg);
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free(arg);
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return rv;
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}
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}
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int fuse_parse_cmdline(struct fuse_args *args, struct fuse_cmdline_opts *opts)
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{
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memset(opts, 0, sizeof(*opts));
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/*
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* XXX: The single threaded mode is always enabled and cannot be
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* disabled. This is because puffs currently does not support
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* multithreaded operation.
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*/
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opts->singlethread = 1;
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if (fuse_opt_parse(args, opts, fuse_lowlevel_opts,
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refuse_lowlevel_opt_proc) == -1)
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return -1;
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if (!opts->nodefault_fsname) {
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/* -o fsname=%s is not specified so add a default fsname
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* generated from the program basename.
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*/
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if (add_default_fsname(args) == -1)
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return -1;
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}
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return 0;
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}
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