1 /*- 2 * Copyright (c) 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char copyright[] = 10 "@(#) Copyright (c) 1993, 1994\n\ 11 The Regents of the University of California. All rights reserved.\n"; 12 #endif /* not lint */ 13 14 #ifndef lint 15 static char sccsid[] = "@(#)mount_ufs.c 8.2 (Berkeley) 03/27/94"; 16 #endif /* not lint */ 17 18 #include <sys/param.h> 19 #include <sys/mount.h> 20 21 #include <err.h> 22 #include <errno.h> 23 #include <stdio.h> 24 #include <stdlib.h> 25 #include <string.h> 26 #include <unistd.h> 27 28 #include "mntopts.h" 29 30 void ufs_usage __P((void)); 31 32 static struct mntopt mopts[] = { 33 MOPT_STDOPTS, 34 MOPT_ASYNC, 35 MOPT_SYNC, 36 MOPT_UPDATE, 37 { NULL } 38 }; 39 40 int 41 mount_ufs(argc, argv) 42 int argc; 43 char * const argv[]; 44 { 45 extern int optreset; 46 struct ufs_args args; 47 int ch, mntflags; 48 char *fs_name; 49 50 mntflags = 0; 51 optind = optreset = 1; /* Reset for parse of new argv. */ 52 while ((ch = getopt(argc, argv, "o:")) != EOF) 53 switch (ch) { 54 case 'o': 55 getmntopts(optarg, mopts, &mntflags); 56 break; 57 case '?': 58 default: 59 ufs_usage(); 60 } 61 argc -= optind; 62 argv += optind; 63 64 if (argc != 2) 65 ufs_usage(); 66 67 args.fspec = argv[0]; /* The name of the device file. */ 68 fs_name = argv[1]; /* The mount point. */ 69 70 #define DEFAULT_ROOTUID -2 71 args.export.ex_root = DEFAULT_ROOTUID; 72 if (mntflags & MNT_RDONLY) 73 args.export.ex_flags = MNT_EXRDONLY; 74 else 75 args.export.ex_flags = 0; 76 77 if (mount(MOUNT_UFS, fs_name, mntflags, &args) < 0) { 78 (void)fprintf(stderr, "%s on %s: ", args.fspec, fs_name); 79 switch (errno) { 80 case EMFILE: 81 (void)fprintf(stderr, "mount table full.\n"); 82 break; 83 case EINVAL: 84 if (mntflags & MNT_UPDATE) 85 (void)fprintf(stderr, 86 "Specified device does not match mounted device.\n"); 87 else 88 (void)fprintf(stderr, 89 "Incorrect super block.\n"); 90 break; 91 default: 92 (void)fprintf(stderr, "%s\n", strerror(errno)); 93 break; 94 } 95 return (1); 96 } 97 return (0); 98 } 99 100 void 101 ufs_usage() 102 { 103 (void)fprintf(stderr, "usage: mount_ufs [-o options] special node\n"); 104 exit(1); 105 } 106