getharddisk.c

来自「Python的扩展」· C语言 代码 · 共 29 行

#include <sys/ioctl.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <linux/hdreg.h>

static int open_flags = O_RDONLY|O_NONBLOCK;
static int errno=1;
int GetHardDisk(char * HardDisk,int len)
{
  static struct  hd_driveid id;
  int fd;
  char *devname="/dev/hda";
  fd = open (devname, open_flags);
  if (fd < 0)
    {
      perror (devname);
	return -1;
    }

  ioctl (fd, HDIO_GET_IDENTITY, &id);
  sprintf (HardDisk,"\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s\n",
          id.model, id.fw_rev, id.serial_no);
  close(fd);
  return 0;
}