/*===========================================================================*
* fs_stat *
*===========================================================================*/
int fs_stat(ino_t ino_nr, struct stat *statbuf)
{
struct inode *rip;
mode_t mo;
int s;
if ((rip = get_inode(fs_dev, ino_nr)) == NULL)
return(EINVAL);
/* Update the atime, ctime, and mtime fields in the inode, if need be. */
if (rip->i_update) update_times(rip);
/* Fill in the statbuf struct. */
mo = rip->i_mode & I_TYPE;
/* true iff special */
s = (mo == I_CHAR_SPECIAL || mo == I_BLOCK_SPECIAL);
statbuf->st_mode = (mode_t) rip->i_mode;
statbuf->st_nlink = (nlink_t) rip->i_nlinks;
statbuf->st_uid = rip->i_uid;
statbuf->st_gid = rip->i_gid;
statbuf->st_rdev = (s ? (dev_t)rip->i_zone[0] : NO_DEV);
statbuf->st_size = rip->i_size;
statbuf->st_atime = rip->i_atime;
statbuf->st_mtime = rip->i_mtime;
statbuf->st_ctime = rip->i_ctime;
statbuf->st_blksize = lmfs_fs_block_size();
statbuf->st_blocks = estimate_blocks(rip);
put_inode(rip); /* release the inode */
return(OK);
}
/*===========================================================================*
* stat_inode *
*===========================================================================*/
static int stat_inode(
register struct inode *rip, /* pointer to inode to stat */
endpoint_t who_e, /* Caller endpoint */
cp_grant_id_t gid /* grant for the stat buf */
)
{
/* Common code for stat and fstat system calls. */
struct stat statbuf;
mode_t mo;
int r, s;
/* Update the atime, ctime, and mtime fields in the inode, if need be. */
if (rip->i_update) update_times(rip);
/* Fill in the statbuf struct. */
mo = rip->i_mode & I_TYPE;
/* true iff special */
s = (mo == I_CHAR_SPECIAL || mo == I_BLOCK_SPECIAL);
memset(&statbuf, 0, sizeof(struct stat));
statbuf.st_dev = rip->i_dev;
statbuf.st_ino = rip->i_num;
statbuf.st_mode = rip->i_mode;
statbuf.st_nlink = rip->i_nlinks;
statbuf.st_uid = rip->i_uid;
statbuf.st_gid = rip->i_gid;
statbuf.st_rdev = (s ? (dev_t) rip->i_zone[0] : NO_DEV);
statbuf.st_size = rip->i_size;
statbuf.st_atime = rip->i_atime;
statbuf.st_mtime = rip->i_mtime;
statbuf.st_ctime = rip->i_ctime;
statbuf.st_blksize = fs_block_size;
statbuf.st_blocks = estimate_blocks(rip);
/* Copy the struct to user space. */
r = sys_safecopyto(who_e, gid, (vir_bytes) 0, (vir_bytes) &statbuf,
(size_t) sizeof(statbuf));
return(r);
}
