| /* |
| * partinfo.c |
| * |
| * Originally written by Alain Knaff, <alknaff@innet.lu>. |
| * |
| * Cleaned up by Theodore Ts'o, <tytso@mit.edu>. |
| * |
| */ |
| |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <linux/fs.h> |
| #include <linux/hdreg.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| |
| void print_error(char *operation, int error, char *device) |
| { |
| fprintf(stderr, "%s failed for %s: %s\n", operation, device, |
| strerror(error)); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| struct hd_geometry loc; |
| int fd, size, i; |
| |
| if (argc == 1) { |
| fprintf(stderr, "Usage: %s <dev1> <dev2> <dev3>\n\n" |
| "This program prints out the partition information " |
| "for a set of devices\n" |
| "A common way to use this progrma is:\n\n\t" |
| "%s /dev/hda?\n\n", argv[0], argv[0]); |
| exit(1); |
| } |
| |
| for (i=1; i < argc; i++) { |
| fd = open(argv[i], O_RDONLY); |
| |
| if (fd < 0) { |
| print_error("open", errno, argv[1]); |
| continue; |
| } |
| |
| if (ioctl(fd, HDIO_GETGEO, &loc) < 0) { |
| print_error("HDIO_GETGEO ioctl", errno, argv[1]); |
| close(fd); |
| continue; |
| } |
| |
| |
| if (ioctl(fd, BLKGETSIZE, &size) < 0) { |
| print_error("BLKGETSIZE ioctl", errno, argv[1]); |
| close(fd); |
| continue; |
| } |
| |
| printf("%s: h=%3d s=%3d c=%4d start=%8d size=%8d end=%8d\n", |
| argv[i], |
| loc.heads, (int)loc.sectors, loc.cylinders, |
| (int)loc.start, size, (int) loc.start + size -1); |
| close(fd); |
| } |
| exit(0); |
| } |