1/*
2 * partinfo.c
3 *
4 * Originally written by Alain Knaff, <alknaff@innet.lu>.
5 *
6 * Cleaned up by Theodore Ts'o, <tytso@mit.edu>.
7 *
8 */
9
10#include <sys/types.h>
11#include <fcntl.h>
12#ifdef HAVE_SYS_IOCTL_H
13#include <sys/ioctl.h>
14#endif
15#include <stdio.h>
16#include <linux/hdreg.h>
17#include <unistd.h>
18#include <stdlib.h>
19#include <errno.h>
20#include "nls-enable.h"
21
22#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
23#define BLKGETSIZE _IO(0x12,96)	/* return device size */
24#endif
25
26void print_error(char *operation, int error, char *device)
27{
28	fprintf(stderr, _("%s failed for %s: %s\n"), operation, device,
29		strerror(error));
30}
31
32int main(int argc, char **argv)
33{
34	struct hd_geometry loc;
35	int fd, i;
36	unsigned long size;
37
38#ifdef ENABLE_NLS
39	setlocale(LC_MESSAGES, "");
40	setlocale(LC_CTYPE, "");
41	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
42	textdomain(NLS_CAT_NAME);
43#endif
44	if (argc == 1) {
45		fprintf(stderr, _("Usage:  %s device...\n\nPrints out the"
46			"partition information for each given device.\n"),
47			"For example: %s /dev/hda\n\n", argv[0], argv[0]);
48		exit(1);
49	}
50
51	for (i=1; i < argc; i++) {
52		fd = open(argv[i], O_RDONLY);
53
54		if (fd < 0) {
55			print_error(_("open"), errno, argv[i]);
56			continue;
57		}
58
59		if (ioctl(fd, HDIO_GETGEO, &loc) < 0) {
60			print_error(_("HDIO_GETGEO ioctl"), errno, argv[i]);
61			close(fd);
62			continue;
63		}
64
65
66		if (ioctl(fd, BLKGETSIZE, &size) < 0) {
67			print_error(_("BLKGETSIZE ioctl"), errno, argv[i]);
68			close(fd);
69			continue;
70		}
71
72		printf("%s: h=%3d s=%3d c=%4d   start=%8d size=%8lu end=%8d\n",
73		       argv[i],
74		       loc.heads, (int)loc.sectors, loc.cylinders,
75		       (int)loc.start, size, (int) loc.start + size -1);
76		close(fd);
77	}
78	exit(0);
79}
80