60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
#include "fs.h"
|
|
#include "inode.h"
|
|
#include <sys/stat.h>
|
|
|
|
FORWARD _PROTOTYPE( int stat_inode, (struct inode *rip, int who_e,
|
|
cp_grant_id_t gid) );
|
|
|
|
|
|
/*===========================================================================*
|
|
* stat_inode *
|
|
*===========================================================================*/
|
|
PRIVATE int stat_inode(rip, who_e, gid)
|
|
register struct inode *rip; /* pointer to inode to stat */
|
|
int 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;
|
|
int r, s;
|
|
|
|
/* Update the atime, ctime, and mtime fields in the inode, if need be. */
|
|
if (rip->i_update) update_times(rip);
|
|
|
|
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 = (dev_t) 0;
|
|
statbuf.st_size = rip->i_size;
|
|
statbuf.st_mode &= ~I_REGULAR; /* wipe out I_REGULAR bit for pipes */
|
|
statbuf.st_atime = rip->i_atime;
|
|
statbuf.st_mtime = rip->i_mtime;
|
|
statbuf.st_ctime = rip->i_ctime;
|
|
|
|
/* Copy the struct to user space. */
|
|
r = sys_safecopyto(who_e, gid, 0, (vir_bytes) &statbuf,
|
|
(phys_bytes) sizeof(statbuf), D);
|
|
|
|
return(r);
|
|
}
|
|
|
|
|
|
/*===========================================================================*
|
|
* fs_stat *
|
|
*===========================================================================*/
|
|
PUBLIC int fs_stat()
|
|
{
|
|
register int r; /* return value */
|
|
register struct inode *rip; /* target inode */
|
|
|
|
if( (rip = find_inode(fs_m_in.REQ_INODE_NR)) == NIL_INODE) return(EINVAL);
|
|
get_inode(rip->i_dev, rip->i_num); /* mark inode in use */
|
|
r = stat_inode(rip, fs_m_in.m_source, fs_m_in.REQ_GRANT);
|
|
put_inode(rip); /* release the inode */
|
|
return(r);
|
|
}
|
|
|