53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
|
#include <sys/cdefs.h>
|
||
|
|
#include "namespace.h"
|
||
|
|
#include <lib.h>
|
||
|
|
#include <minix/u64.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/stat.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>
|
||
|
|
#include <minix/config.h>
|
||
|
|
#include <minix/const.h>
|
||
|
|
#include <minix/type.h>
|
||
|
|
#include <minix/minlib.h>
|
||
|
|
#include <minix/partition.h>
|
||
|
|
#include <sys/ioc_disk.h>
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
/*================================================================
|
||
|
|
* minix_sizeup - determine device size
|
||
|
|
*===============================================================*/
|
||
|
|
int minix_sizeup(device, bytes)
|
||
|
|
char *device;
|
||
|
|
u64_t *bytes;
|
||
|
|
{
|
||
|
|
int fd;
|
||
|
|
struct part_geom entry;
|
||
|
|
struct stat st;
|
||
|
|
|
||
|
|
if ((fd = open(device, O_RDONLY)) == -1) {
|
||
|
|
if (errno != ENOENT)
|
||
|
|
perror("sizeup open");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if (ioctl(fd, DIOCGETP, &entry) == -1) {
|
||
|
|
perror("sizeup ioctl");
|
||
|
|
if(fstat(fd, &st) < 0) {
|
||
|
|
perror("fstat");
|
||
|
|
entry.size = ((u64_t)(0));
|
||
|
|
} else {
|
||
|
|
entry.size = ((u64_t)(st.st_size));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
close(fd);
|
||
|
|
*bytes = entry.size;
|
||
|
|
return 0;
|
||
|
|
}
|