2 * Copyright (c) 2016 The DragonFly Project
3 * Copyright (c) 2014 The FreeBSD Foundation
6 * This software was developed by Edward Tomasz Napierala under sponsorship
7 * from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/diskslice.h>
33 #include <sys/ioctl.h>
49 typedef int (*fstyp_function)(FILE *, char *, size_t);
50 typedef int (*fsvtyp_function)(const char *, char *, size_t);
54 fstyp_function function;
57 { "cd9660", &fstyp_cd9660, false },
58 { "exfat", &fstyp_exfat, false },
59 { "ext2fs", &fstyp_ext2fs, false },
60 { "msdosfs", &fstyp_msdosfs, false },
61 { "ntfs", &fstyp_ntfs, false },
62 { "ufs", &fstyp_ufs, false },
63 { "hammer", &fstyp_hammer, false },
64 { "hammer2", &fstyp_hammer2, false },
70 fsvtyp_function function;
73 { "hammer", &fsvtyp_hammer, false }, /* Must be before partial */
74 { "hammer(partial)", &fsvtyp_hammer_partial, true },
75 // XXX hammer2 not supported yet
80 read_buf(FILE *fp, off_t off, size_t len)
86 error = fseek(fp, off, SEEK_SET);
88 warn("cannot seek to %jd", (uintmax_t)off);
94 warn("cannot malloc %zd bytes of memory", len);
98 nread = fread(buf, len, 1, fp);
110 checked_strdup(const char *s)
121 rtrim(char *label, size_t size)
125 for (i = size - 1; i >= 0; i--) {
126 if (label[i] == '\0')
128 else if (label[i] == ' ')
139 fprintf(stderr, "usage: fstyp [-l] [-s] [-u] special\n");
144 type_check(const char *path, FILE *fp)
148 struct partinfo pinfo;
152 error = fstat(fd, &sb);
154 err(1, "%s: fstat", path);
156 if (S_ISREG(sb.st_mode))
159 error = ioctl(fd, DIOCGPART, &pinfo);
161 errx(1, "%s: not a disk", path);
165 main(int argc, char **argv)
167 int ch, error, i, nbytes;
168 bool ignore_type = false, show_label = false, show_unmountable = false;
169 char label[LABEL_LEN + 1], strvised[LABEL_LEN * 4 + 1];
171 const char *name = NULL;
173 fstyp_function fstyp_f;
174 fsvtyp_function fsvtyp_f;
176 while ((ch = getopt(argc, argv, "lsu")) != -1) {
185 show_unmountable = true;
199 fp = fopen(path, "r");
201 goto fsvtyp; /* DragonFly */
203 if (ignore_type == false)
204 type_check(path, fp);
206 memset(label, '\0', sizeof(label));
209 if (show_unmountable == false && fstypes[i].unmountable == true)
211 fstyp_f = fstypes[i].function;
215 error = fstyp_f(fp, label, sizeof(label));
217 name = fstypes[i].name;
223 if (show_unmountable == false && fsvtypes[i].unmountable == true)
225 fsvtyp_f = fsvtypes[i].function;
226 if (fsvtyp_f == NULL)
229 error = fsvtyp_f(path, label, sizeof(label));
231 name = fsvtypes[i].name;
236 warnx("%s: filesystem not recognized", path);
239 if (show_label && label[0] != '\0') {
241 * XXX: I'd prefer VIS_HTTPSTYLE, but it unconditionally
244 nbytes = strsnvis(strvised, sizeof(strvised), label,
245 VIS_GLOB | VIS_NL, "\"'$");
249 printf("%s %s\n", name, strvised);
251 printf("%s\n", name);