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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <sys/cdefs.h>
#include <unistd.h>
#if !defined(__LP64__)
static_assert(sizeof(off_t) == 4,
"libc can't be built with _FILE_OFFSET_BITS=64.");
// The kernel's implementation of ftruncate uses an unsigned long for the length
// parameter, so it will not catch negative values. On the other hand
// ftruncate64 does check for this, so just forward the call.
int ftruncate(int filedes, off_t length) {
return ftruncate64(filedes, length);
}
#endif // !defined(__LP64__)
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