61 static int valid_offset(int fd, blkid_loff_t offset)  in valid_offset()  argument
65 	if (blkid_llseek(fd, offset, 0) < 0)  in valid_offset()
67 	if (read(fd, &ch, 1) < 1)  in valid_offset()
75 blkid_loff_t blkid_get_dev_size(int fd)  in blkid_get_dev_size()  argument
96 	if (ioctl(fd, DKIOCGETBLOCKCOUNT, &size64) >= 0) {  in blkid_get_dev_size()
112 	    ioctl(fd, BLKGETSIZE64, &size64) >= 0) {  in blkid_get_dev_size()
121 	if (ioctl(fd, BLKGETSIZE, &size) >= 0)  in blkid_get_dev_size()
127 	if (ioctl(fd, DIOCGMEDIASIZE, &size64) >= 0)  in blkid_get_dev_size()
132 	if (ioctl(fd, FDGETPRM, &this_floppy) >= 0)  in blkid_get_dev_size()
145 	if ((fstat(fd, &st) >= 0) && (S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode)))  in blkid_get_dev_size()
147 	if (part >= 0 && (ioctl(fd, DIOCGDINFO, (char *)&lab) >= 0)) {  in blkid_get_dev_size()
156 		if (fstat64(fd, &st) == 0)  in blkid_get_dev_size()
159 		if (fstat(fd, &st) == 0)  in blkid_get_dev_size()
172 	for (high = 1024; valid_offset(fd, high); high *= 2)  in blkid_get_dev_size()
178 		if (valid_offset(fd, mid))  in blkid_get_dev_size()
190 	int	fd;  in main()  local
198 	if ((fd = open(argv[1], O_RDONLY)) < 0)  in main()
201 	bytes = blkid_get_dev_size(fd);  in main()