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      1 /*
      2  * partinfo.c
      3  *
      4  * Originally written by Alain Knaff, <alknaff (at) innet.lu>.
      5  *
      6  * Cleaned up by Theodore Ts'o, <tytso (at) mit.edu>.
      7  *
      8  */
      9 
     10 #include "config.h"
     11 #include <sys/types.h>
     12 #include <fcntl.h>
     13 #ifdef HAVE_SYS_IOCTL_H
     14 #include <sys/ioctl.h>
     15 #endif
     16 #include <stdio.h>
     17 #include <linux/hdreg.h>
     18 #include <unistd.h>
     19 #include <stdlib.h>
     20 #include <errno.h>
     21 #include "support/nls-enable.h"
     22 
     23 #if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
     24 #define BLKGETSIZE _IO(0x12,96)	/* return device size */
     25 #endif
     26 
     27 int main(int argc, char **argv)
     28 {
     29 	struct hd_geometry loc;
     30 	int fd, i;
     31 	unsigned long size;
     32 
     33 #ifdef ENABLE_NLS
     34 	setlocale(LC_MESSAGES, "");
     35 	setlocale(LC_CTYPE, "");
     36 	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
     37 	textdomain(NLS_CAT_NAME);
     38 	set_com_err_gettext(gettext);
     39 #endif
     40 	if (argc == 1) {
     41 		fprintf(stderr, _("Usage:  %s device...\n\nPrints out the "
     42 			"partition information for each given device.\n"
     43 			"For example: %s /dev/hda\n\n"), argv[0], argv[0]);
     44 		exit(1);
     45 	}
     46 
     47 	for (i=1; i < argc; i++) {
     48 		fd = open(argv[i], O_RDONLY);
     49 
     50 		if (fd < 0) {
     51 			fprintf(stderr, _("Cannot open %s: %s"),
     52 				argv[i], strerror(errno));
     53 			continue;
     54 		}
     55 
     56 		if (ioctl(fd, HDIO_GETGEO, &loc) < 0) {
     57 			fprintf(stderr, _("Cannot get geometry of %s: %s"),
     58 				argv[i], strerror(errno));
     59 			close(fd);
     60 			continue;
     61 		}
     62 
     63 
     64 		if (ioctl(fd, BLKGETSIZE, &size) < 0) {
     65 			fprintf(stderr, _("Cannot get size of %s: %s"),
     66 				argv[i], strerror(errno));
     67 			close(fd);
     68 			continue;
     69 		}
     70 
     71 		printf(_("%s: h=%3d s=%3d c=%4d   start=%8d size=%8lu end=%8d\n"),
     72 		       argv[i],
     73 		       loc.heads, (int)loc.sectors, loc.cylinders,
     74 		       (int)loc.start, size, (int) loc.start + size -1);
     75 		close(fd);
     76 	}
     77 	exit(0);
     78 }
     79