48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
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// Copyright 2014 The Crashpad Authors. All rights reserved.
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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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#include "util/stdlib/strnlen.h"
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#if defined(OS_MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7
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#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_7
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// Redeclare a method only available on Mac OS X 10.7 and later to suppress a
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// -Wpartial-availability warning.
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extern "C" {
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size_t strnlen(const char* string, size_t max_length);
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} // extern "C"
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#endif
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namespace crashpad {
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size_t strnlen(const char* string, size_t max_length) {
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#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_7
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if (::strnlen) {
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return ::strnlen(string, max_length);
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}
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#endif
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for (size_t index = 0; index < max_length; ++index) {
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if (string[index] == '\0') {
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return index;
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}
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}
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return max_length;
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}
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} // namespace crashpad
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#endif
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