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 <fs/types.h> |
| 20 | #include <fs/errno.h> |
||
| 21 | #include <fs/task.h> |
||
| 22 | #include <fs/util.h> |
||
| 23 | #include <fs/maccess.h> |
||
| 24 | |||
| 25 | #include "file.h" |
||
| 26 | #include "fs.h" |
||
| 27 | |||
| 28 | int k_getcwd(char *buf, size_t sz) |
||
| 29 | { |
||
| 30 | char *cwd; |
||
| 31 | int len; |
||
| 32 | __pid_t pid; |
||
| 33 | |||
| 34 | call_to_fs(); |
||
| 35 | |||
| 36 | pid=__get_pid(); |
||
| 37 | lock_desctable(pid); |
||
| 38 | cwd=cwd_ptr(pid); |
||
| 39 | if (buf==NULL||strlen(cwd)>=sz) { |
||
| 40 | unlock_desctable(pid); |
||
| 41 | return_from_fs(-ERANGE); |
||
| 42 | } |
||
| 43 | len=strlen(cwd)+1; |
||
| 44 | if (!__verify_write(buf,len)) { |
||
| 45 | unlock_desctable(pid); |
||
| 46 | return_from_fs(-EVERIFY); |
||
| 47 | } |
||
| 48 | __copy_to_user(buf,cwd,len); |
||
| 49 | unlock_desctable(pid); |
||
| 50 | return_from_fs(EOK); |
||
| 51 | } |