예제 #1
0
파일: sysfs.c 프로젝트: neilbrown/mdadm
int sysfs_get_ll(struct mdinfo *sra, struct mdinfo *dev,
                 char *name, unsigned long long *val)
{
    int n;
    int fd;

    fd = sysfs_get_fd(sra, dev, name);
    if (fd < 0)
        return -1;
    n = sysfs_fd_get_ll(fd, val);
    close(fd);
    return n;
}
예제 #2
0
static int devpath_to_ll(const char *dev_path, const char *entry, unsigned long long *val)
{
	char path[strlen(dev_path) + strlen(entry) + 2];
	int fd;
	int n;

	sprintf(path, "%s/%s", dev_path, entry);

	fd = open(path, O_RDONLY);
	if (fd < 0)
		return -1;
	n = sysfs_fd_get_ll(fd, val);
	close(fd);
	return n;
}