1 /* $NetBSD: mount_procfs.c,v 1.12 2001/01/17 00:09:54 fvdl Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1992, 1993 Jan-Simon Pendry 5 * Copyright (c) 1992, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40 #include <sys/cdefs.h> 41 #ifndef lint 42 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\ 43 The Regents of the University of California. All rights reserved.\n"); 44 #endif /* not lint */ 45 46 #ifndef lint 47 #if 0 48 static char sccsid[] = "@(#)mount_procfs.c 8.4 (Berkeley) 4/26/95"; 49 #else 50 __RCSID("$NetBSD: mount_procfs.c,v 1.12 2001/01/17 00:09:54 fvdl Exp $"); 51 #endif 52 #endif /* not lint */ 53 54 #include <sys/param.h> 55 #include <sys/mount.h> 56 57 #include <err.h> 58 #include <unistd.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 63 #include <miscfs/procfs/procfs.h> 64 65 #include "mntopts.h" 66 67 static const struct mntopt mopts[] = { 68 MOPT_STDOPTS, 69 { "linux", 0, PROCFSMNT_LINUXCOMPAT, 1}, 70 { NULL } 71 }; 72 73 int main __P((int, char *[])); 74 int mount_procfs __P((int argc, char **argv)); 75 static void usage __P((void)); 76 77 #ifndef MOUNT_NOMAIN 78 int 79 main(argc, argv) 80 int argc; 81 char **argv; 82 { 83 return mount_procfs(argc, argv); 84 } 85 #endif 86 87 int 88 mount_procfs(argc, argv) 89 int argc; 90 char *argv[]; 91 { 92 int ch, mntflags, altflags; 93 struct procfs_args args; 94 95 mntflags = altflags = 0; 96 while ((ch = getopt(argc, argv, "o:")) != -1) 97 switch (ch) { 98 case 'o': 99 getmntopts(optarg, mopts, &mntflags, &altflags); 100 break; 101 case '?': 102 default: 103 usage(); 104 } 105 argc -= optind; 106 argv += optind; 107 108 if (argc != 2) 109 usage(); 110 111 args.version = PROCFS_ARGSVERSION; 112 args.flags = altflags; 113 114 if (mount(MOUNT_PROCFS, argv[1], mntflags, &args)) 115 err(1, "procfs on %s", argv[1]); 116 exit(0); 117 } 118 119 static void 120 usage() 121 { 122 (void)fprintf(stderr, 123 "usage: mount_procfs [-o options] /proc mount_point\n"); 124 exit(1); 125 } 126