Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | |
| 2 | #include <fs/types.h> |
||
| 3 | #include <fs/errno.h> |
||
| 4 | #include <fs/task.h> |
||
| 5 | #include <fs/maccess.h> |
||
| 6 | |||
| 7 | #include "fsconst.h" |
||
| 8 | #include "file.h" |
||
| 9 | #include "inode.h" |
||
| 10 | #include "fileop.h" |
||
| 11 | #include "dentry.h" |
||
| 12 | #include "fs.h" |
||
| 13 | |||
| 14 | #include "debug.h" |
||
| 15 | |||
| 16 | int k_stat(char *upathname, struct stat *buf) |
||
| 17 | { |
||
| 18 | declare_buffer(char,pathname,MAXPATHNAME); |
||
| 19 | struct dentry *d; |
||
| 20 | const __pid_t pid=__get_pid(); |
||
| 21 | int len; |
||
| 22 | |||
| 23 | call_to_fs(); |
||
| 24 | |||
| 25 | printk6("k_stat: START"); |
||
| 26 | |||
| 27 | len=__verify_read_nolen((char*)upathname); |
||
| 28 | if ((!len)||(len>MAXPATHNAMELEN)) { |
||
| 29 | printk6("k_stat: verify user memory failed"); |
||
| 30 | printk6("k_stat: END"); |
||
| 31 | return_from_fs(-EVERIFY); |
||
| 32 | } |
||
| 33 | __copy_from_user(pathname,upathname,len+1); |
||
| 34 | |||
| 35 | printk6("k_stat: for '%s'",pathname); |
||
| 36 | |||
| 37 | d=find_dentry_from(cwden_ptr(pid),(char *)pathname); |
||
| 38 | if (d==NULL) { |
||
| 39 | printk6("k_stat: not found!"); |
||
| 40 | printk6("k_stat: END"); |
||
| 41 | return_from_fs(-ENOENT); |
||
| 42 | } |
||
| 43 | printk6("k_stat: found... copying to user"); |
||
| 44 | |||
| 45 | if (!__verify_write(buf,sizeof(struct stat))) return_from_fs(-EVERIFY); |
||
| 46 | __copy_to_user(buf,&(d->d_inode->i_st),sizeof(struct stat)); |
||
| 47 | |||
| 48 | unlock_dentry(d); |
||
| 49 | |||
| 50 | printk6("k_stat: END"); |
||
| 51 | return_from_fs(EOK); |
||
| 52 | } |