9d476a02e9
Addresses post-submit comments from I54692ab8105dd09db6af7a2c0894a17bdd118aa0. Bug: http://b/21309901 Change-Id: Ie19ee8cdcc4055a65fe7dfc103156e54eafe8977
31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errno.h>
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#include <sys/cdefs.h>
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#include <unistd.h>
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#if !defined(__LP64__)
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static_assert(sizeof(off_t) == 4,
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"libc can't be built with _FILE_OFFSET_BITS=64.");
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// The kernel's implementation of ftruncate uses an unsigned long for the length
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// parameter, so it will not catch negative values. On the other hand
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// ftruncate64 does check for this, so just forward the call.
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int ftruncate(int filedes, off_t length) {
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return ftruncate64(filedes, length);
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}
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#endif // !defined(__LP64__)
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