58 lines
945 B
C
58 lines
945 B
C
/* Ben Gras
|
|
*
|
|
* Based on sizeup() in mkfs.c.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/dir.h>
|
|
#include <sys/stat.h>
|
|
#include <ibm/partition.h>
|
|
#include <minix/partition.h>
|
|
#include <minix/u64.h>
|
|
#include <sys/ioc_disk.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
unsigned long sizeup(char *);
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int sec;
|
|
|
|
if(argc != 2) {
|
|
fprintf(stderr, "Usage: %s <device>\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
printf("%lu\n", sizeup(argv[1]));
|
|
return 0;
|
|
}
|
|
|
|
|
|
unsigned long sizeup(device)
|
|
char *device;
|
|
{
|
|
int fd;
|
|
struct partition entry;
|
|
unsigned long d;
|
|
struct stat st;
|
|
|
|
if ((fd = open(device, O_RDONLY)) == -1) {
|
|
perror("sizeup open");
|
|
exit(1);
|
|
}
|
|
if (ioctl(fd, DIOCGETP, &entry) == -1) {
|
|
perror("sizeup ioctl");
|
|
exit(1);
|
|
}
|
|
close(fd);
|
|
d = div64u(entry.size, 512);
|
|
return d;
|
|
}
|