crashpad/util/stdlib/strnlen.h
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

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// Copyright 2014 The Crashpad Authors
//
// 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.
#ifndef CRASHPAD_UTIL_STDLIB_STRNLEN_H_
#define CRASHPAD_UTIL_STDLIB_STRNLEN_H_
#include <string.h>
#include <sys/types.h>
#include "build/build_config.h"
#if BUILDFLAG(IS_MAC)
#include <Availability.h>
#endif
namespace crashpad {
//! \brief Returns the length of a string, not to exceed a maximum.
//!
//! \param[in] string The string whose length is to be calculated.
//! \param[in] max_length The maximum length to return.
//!
//! \return The length of \a string, determined as the index of the first `NUL`
//! byte found, not exceeding \a max_length.
//!
//! \note This function is provided because it was introduced in POSIX.1-2008,
//! and not all systems standard libraries provide an implementation.
size_t strnlen(const char* string, size_t max_length);
#if !BUILDFLAG(IS_MAC) || __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_7
inline size_t strnlen(const char* string, size_t max_length) {
return ::strnlen(string, max_length);
}
#endif
} // namespace crashpad
#endif // CRASHPAD_UTIL_STDLIB_STRNLEN_H_