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 <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 26 void 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 32 int 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
