Rev 1063 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | |
| 1063 | tullio | 2 | /* |
| 3 | * This program is free software; you can redistribute it and/or modify |
||
| 4 | * it under the terms of the GNU General Public License as published by |
||
| 5 | * the Free Software Foundation; either version 2 of the License, or |
||
| 6 | * (at your option) any later version. |
||
| 7 | * |
||
| 8 | * This program is distributed in the hope that it will be useful, |
||
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
| 11 | * GNU General Public License for more details. |
||
| 12 | * |
||
| 13 | * You should have received a copy of the GNU General Public License |
||
| 14 | * along with this program; if not, write to the Free Software |
||
| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
||
| 16 | * |
||
| 17 | */ |
||
| 18 | |||
| 2 | pj | 19 | #include <bits/utime.h> |
| 20 | #include <fs/types.h> |
||
| 21 | #include <fs/errno.h> |
||
| 22 | #include <fs/task.h> |
||
| 23 | #include <fs/util.h> |
||
| 24 | #include <fs/maccess.h> |
||
| 25 | |||
| 26 | |||
| 27 | #include "file.h" |
||
| 28 | #include "dentry.h" |
||
| 29 | #include "inode.h" |
||
| 30 | #include "rwlock.h" |
||
| 31 | #include "fs.h" |
||
| 32 | |||
| 33 | /* |
||
| 34 | struct utimbuf { |
||
| 35 | __time_t acctime; |
||
| 36 | __time_t modtime; |
||
| 37 | }; |
||
| 38 | */ |
||
| 39 | |||
| 40 | int k_utime(char *path, struct utimbuf *times) |
||
| 41 | { |
||
| 42 | declare_buffer(char,pathname,MAXPATHNAME); |
||
| 43 | declare_buffer(struct utimbuf,t,1); |
||
| 44 | int createflag=DENTRY_NOCREATE; |
||
| 45 | struct dentry *d; |
||
| 46 | __pid_t pid; |
||
| 47 | int len; |
||
| 48 | |||
| 49 | call_to_fs(); |
||
| 50 | |||
| 51 | len=__verify_read_nolen((char*)path); |
||
| 52 | if ((!len)||(len>MAXPATHNAMELEN)) return_from_fs(-EVERIFY); |
||
| 53 | __copy_from_user(pathname,path,len+1); |
||
| 54 | init_buffer(t); |
||
| 55 | if (times!=NULL) { |
||
| 56 | len=__verify_read((char*)times,sizeof(struct utimbuf)); |
||
| 57 | if (!len) return_from_fs(-EPERM); |
||
| 58 | __copy_from_user(t,times,len); |
||
| 59 | } |
||
| 60 | |||
| 61 | pid=__get_pid(); |
||
| 62 | lock_desctable(pid); |
||
| 63 | |||
| 64 | d=find_dentry_from_ext(cwden_ptr(pid),(char *)pathname,&createflag); |
||
| 65 | if (d==NULL) { |
||
| 66 | unlock_desctable(pid); |
||
| 67 | return_from_fs(-ENOENT); |
||
| 68 | } |
||
| 69 | |||
| 70 | __rwlock_wrlock(&d->d_inode->i_lock); |
||
| 71 | if (times==NULL) { |
||
| 72 | d->d_inode->i_st.st_atime=d->d_inode->i_st.st_mtime=gettimek(); |
||
| 73 | } else { |
||
| 74 | d->d_inode->i_st.st_atime=t->actime; |
||
| 75 | d->d_inode->i_st.st_mtime=t->modtime; |
||
| 76 | } |
||
| 77 | d->d_inode->i_dirty=1; |
||
| 78 | __rwlock_wrunlock(&d->d_inode->i_lock); |
||
| 79 | |||
| 80 | unlock_dentry(d); |
||
| 81 | unlock_desctable(pid); |
||
| 82 | return_from_fs(EOK); |
||
| 83 | } |