| Dan Albert | c05554e | 2015-05-19 18:17:31 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <errno.h> |
| 18 | #include <sys/cdefs.h> |
| 19 | #include <unistd.h> |
| 20 | |
| 21 | #if !defined(__USE_FILE_OFFSET64) && !defined(__LP64__) |
| 22 | // The kernel's implementation of ftruncate uses an unsigned long for the length |
| 23 | // parameter, so it will not catch negative values. On the other hand |
| 24 | // ftruncate64 does check for this, so just forward the call. |
| 25 | int ftruncate(int filedes, off_t length) { |
| 26 | return ftruncate64(filedes, length); |
| 27 | } |
| 28 | #endif |