Correct some casts in printf arguments in various utilities.
[dragonfly.git] / sbin / diskinfo / diskinfo.c
1 /*
2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
3  * 
4  * This code is derived from software contributed to The DragonFly Project
5  * by Matthew Dillon <dillon@backplane.com>
6  * 
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  * 3. Neither the name of The DragonFly Project nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific, prior written permission.
20  * 
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
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29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34
35 #define DKTYPENAMES
36 #include <sys/param.h>
37 #include <sys/fcntl.h>
38 #include <sys/dtype.h>
39 #include <sys/diskslice.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <unistd.h>
43 #include <errno.h>
44 #include <string.h>
45 #include <uuid.h>
46
47 static int quietMode;
48 static int extendedMode;
49
50 static void dumppart(const char *path, struct partinfo *dpart);
51 static void usage(const char *av0);
52
53 int
54 main(int ac, char **av)
55 {
56         struct partinfo dpart;
57         int i;
58         int ch;
59         int fd;
60
61         while ((ch = getopt(ac, av, "qx")) != -1) {
62                 switch(ch) {
63                 case 'q':
64                         quietMode = 1;
65                         break;
66                 case 'x':
67                         extendedMode = 1;
68                         break;
69                 default:
70                         usage(av[0]);
71                 }
72         }
73         for (i = optind; i < ac; ++i) {
74                 if ((fd = open(av[i], O_RDONLY)) < 0) {
75                         if (errno != ENXIO || quietMode == 0)
76                                 printf("%-16s %s\n", av[i], strerror(errno));
77                         continue;
78                 }
79                 bzero(&dpart, sizeof(dpart));
80                 if (ioctl(fd, DIOCGPART, &dpart) < 0) {
81                         printf("%-16s %s\n", av[i], strerror(errno));
82                 } else if (dpart.media_size == 0 && dpart.fstype == 0 &&
83                            uuid_is_nil(&dpart.fstype_uuid, NULL)) {
84                         if (quietMode == 0)
85                                 printf("%-16s unused\n", av[i]);
86                 } else {
87                         dumppart(av[i], &dpart);
88                 }
89                 close(fd);
90         }
91         return(0);
92 }
93
94 static
95 void
96 dumppart(const char *path, struct partinfo *dpart)
97 {
98         printf("%-16s ", path);
99         printf("blksize=%-4d offset=0x%012jx size=0x%012jx ",
100                 dpart->media_blksize,
101                 (uintmax_t)dpart->media_offset,
102                 (uintmax_t)dpart->media_size
103         );
104         if (dpart->media_size >= 100LL*1024*1024*1024) {
105                 printf("%7.2f GB", 
106                         (double)dpart->media_size / 
107                         (1024.0*1024.0*1024.0)
108                 );
109         } else if (dpart->media_size >= 1024*1024) {
110                 printf("%7.2f MB", 
111                         (double)dpart->media_size / 
112                         (1024.0*1024.0)
113                 );
114         } else {
115                 printf("%7.2f KB", 
116                         (double)dpart->media_size / 1024.0
117                 );
118         }
119         if (extendedMode) {
120                 if (!uuid_is_nil(&dpart->fstype_uuid, NULL)) {
121                         char *str;
122                         uuid_addr_lookup(&dpart->fstype_uuid, &str, NULL);
123                         if (str == NULL)
124                                 uuid_to_string(&dpart->fstype_uuid, &str, NULL);
125                         printf(" fstype='%s'", str ? str : "<illegal>");
126                 }
127                 if (dpart->fstype) {
128                         printf(" ofstype=");
129                         if (dpart->fstype < 0 || 
130                             dpart->fstype >= (int)FSMAXTYPES) {
131                                 printf("%d", dpart->fstype);
132                         } else {
133                                 printf("%s", fstypenames[dpart->fstype]);
134                         }
135                 }
136                 if (!uuid_is_nil(&dpart->storage_uuid, NULL)) {
137                         char *str = NULL;
138                         uuid_to_string(&dpart->storage_uuid, &str, NULL);
139                         printf(" storage_uuid='%s'", str ? str : "<illegal>");
140                 }
141                 if (dpart->reserved_blocks) {
142                         /*
143                          * note: rsvdlabel is inclusive of rsvdplat. i.e.
144                          * they are not relative to each other.
145                          */
146                         printf(" reserved=%jd",
147                                 (intmax_t)dpart->reserved_blocks);
148                 }
149         }
150         printf("\n");
151 }
152
153 static
154 void
155 usage(const char *av0)
156 {
157         fprintf(stderr, "%s [-qx] device ...\n", av0);
158         exit(1);
159 }
160