projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 94368568 | 1 | /* vfs_xxx.c 6.3 84/08/29 */ |
| 2a9ead0d | 2 | |
| 94368568 JB |
3 | #include "param.h" |
| 4 | #include "systm.h" | |
| 5 | #include "inode.h" | |
| 6 | #include "fs.h" | |
| 7 | #include "mount.h" | |
| 8 | #include "dir.h" | |
| 9 | #include "user.h" | |
| 10 | #include "buf.h" | |
| 11 | #include "conf.h" | |
| 2a9ead0d | 12 | |
| 75a02b8d | 13 | #ifdef COMPAT |
| 94368568 JB |
14 | #include "file.h" |
| 15 | #include "kernel.h" | |
| 1139f919 SL |
16 | |
| 17 | /* | |
| 18 | * Oh, how backwards compatibility is ugly!!! | |
| 19 | */ | |
| 20 | struct ostat { | |
| 21 | dev_t ost_dev; | |
| 6a056086 | 22 | u_short ost_ino; |
| 1139f919 SL |
23 | u_short ost_mode; |
| 24 | short ost_nlink; | |
| 25 | short ost_uid; | |
| 26 | short ost_gid; | |
| 27 | dev_t ost_rdev; | |
| 28 | int ost_size; | |
| 29 | int ost_atime; | |
| 30 | int ost_mtime; | |
| 31 | int ost_ctime; | |
| 32 | }; | |
| 33 | ||
| 34 | /* | |
| 35 | * The old fstat system call. | |
| 36 | */ | |
| 37 | ofstat() | |
| 38 | { | |
| 39 | register struct file *fp; | |
| 40 | register struct a { | |
| 41 | int fd; | |
| 42 | struct ostat *sb; | |
| 88a7a62a SL |
43 | } *uap = (struct a *)u.u_ap; |
| 44 | extern struct file *getinode(); | |
| 1139f919 | 45 | |
| 88a7a62a | 46 | fp = getinode(uap->fd); |
| 1139f919 SL |
47 | if (fp == NULL) |
| 48 | return; | |
| 88a7a62a | 49 | ostat1((struct inode *)fp->f_data, uap->sb); |
| 1139f919 SL |
50 | } |
| 51 | ||
| 52 | /* | |
| 53 | * Old stat system call. This version follows links. | |
| 54 | */ | |
| 55 | ostat() | |
| 56 | { | |
| 57 | register struct inode *ip; | |
| 58 | register struct a { | |
| 59 | char *fname; | |
| 60 | struct ostat *sb; | |
| 715baff1 KM |
61 | } *uap = (struct a *)u.u_ap; |
| 62 | register struct nameidata *ndp = &u.u_nd; | |
| 1139f919 | 63 | |
| 715baff1 KM |
64 | ndp->ni_nameiop = LOOKUP | FOLLOW; |
| 65 | ndp->ni_segflg = UIO_USERSPACE; | |
| 66 | ndp->ni_dirp = uap->fname; | |
| 67 | ip = namei(ndp); | |
| 1139f919 SL |
68 | if (ip == NULL) |
| 69 | return; | |
| 70 | ostat1(ip, uap->sb); | |
| 71 | iput(ip); | |
| 72 | } | |
| 73 | ||
| 74 | ostat1(ip, ub) | |
| 75 | register struct inode *ip; | |
| 76 | struct ostat *ub; | |
| 77 | { | |
| 78 | struct ostat ds; | |
| 79 | ||
| 80 | IUPDAT(ip, &time, &time, 0); | |
| 81 | /* | |
| 82 | * Copy from inode table | |
| 83 | */ | |
| 84 | ds.ost_dev = ip->i_dev; | |
| 85 | ds.ost_ino = (short)ip->i_number; | |
| 86 | ds.ost_mode = (u_short)ip->i_mode; | |
| 87 | ds.ost_nlink = ip->i_nlink; | |
| 88 | ds.ost_uid = (short)ip->i_uid; | |
| 89 | ds.ost_gid = (short)ip->i_gid; | |
| 90 | ds.ost_rdev = (dev_t)ip->i_rdev; | |
| 91 | ds.ost_size = (int)ip->i_size; | |
| 92 | ds.ost_atime = (int)ip->i_atime; | |
| 93 | ds.ost_mtime = (int)ip->i_mtime; | |
| 94 | ds.ost_ctime = (int)ip->i_ctime; | |
| 127f7d76 | 95 | u.u_error = copyout((caddr_t)&ds, (caddr_t)ub, sizeof(ds)); |
| 1139f919 | 96 | } |
| 02c45551 SL |
97 | |
| 98 | /* | |
| 99 | * Set IUPD and IACC times on file. | |
| 100 | * Can't set ICHG. | |
| 101 | */ | |
| 102 | outime() | |
| 103 | { | |
| 104 | register struct a { | |
| 105 | char *fname; | |
| 106 | time_t *tptr; | |
| 107 | } *uap = (struct a *)u.u_ap; | |
| 108 | register struct inode *ip; | |
| 109 | time_t tv[2]; | |
| 110 | struct timeval tv0, tv1; | |
| 111 | ||
| 715baff1 | 112 | if ((ip = owner(uap->fname, FOLLOW)) == NULL) |
| 02c45551 SL |
113 | return; |
| 114 | u.u_error = copyin((caddr_t)uap->tptr, (caddr_t)tv, sizeof (tv)); | |
| 115 | if (u.u_error == 0) { | |
| 116 | ip->i_flag |= IACC|IUPD|ICHG; | |
| 117 | tv0.tv_sec = tv[0]; tv0.tv_usec = 0; | |
| 118 | tv1.tv_sec = tv[1]; tv1.tv_usec = 0; | |
| 119 | iupdat(ip, &tv0, &tv1, 0); | |
| 120 | } | |
| 121 | iput(ip); | |
| 122 | } | |
| 1139f919 | 123 | #endif |