| /* |
| (C) Copyright IBM Corp. 2005, 2006 |
| |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| * Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| * Neither the name of IBM nor the names of its contributors may be |
| used to endorse or promote products derived from this software without |
| specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| POSSIBILITY OF SUCH DAMAGE. |
| |
| Author: Andreas Neukoetter (ti95neuk@de.ibm.com) |
| */ |
| |
| #include <unistd.h> |
| #include "jsre.h" |
| |
| #define JSRE_SEEK_SET 0 |
| #define JSRE_SEEK_CUR 1 |
| #define JSRE_SEEK_END 2 |
| |
| typedef struct |
| { |
| unsigned int file; |
| unsigned int pad0[3]; |
| unsigned int offset; |
| unsigned int pad1[3]; |
| unsigned int whence; |
| unsigned int pad2[3]; |
| } syscall_lseek_t; |
| |
| off_t |
| lseek (int file, off_t offset, int whence) |
| { |
| syscall_lseek_t sys; |
| |
| sys.file = file; |
| sys.offset = offset; |
| |
| switch( whence ){ |
| case SEEK_SET: |
| sys.whence = JSRE_SEEK_SET; |
| break; |
| case SEEK_CUR: |
| sys.whence = JSRE_SEEK_CUR; |
| break; |
| case SEEK_END: |
| sys.whence = JSRE_SEEK_END; |
| break; |
| } |
| |
| return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_LSEEK, &sys); |
| } |