diff options
| -rw-r--r-- | misc/partinfo.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/misc/partinfo.c b/misc/partinfo.c new file mode 100644 index 00000000..1e3e0643 --- /dev/null +++ b/misc/partinfo.c @@ -0,0 +1,66 @@ +/* + * 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); +} |