kc3-lang/angle/src/common/unsafe_buffers.h

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• Author : Tom Sepez
  Date : 2025-08-26 18:18:54
  Hash : f8ce4a01
  Message : Add src/common/unsafe_buffers.h Allow for line-by-line control of unsafe buffers warnings. Bug: b/436880895 Change-Id: I609d60c83611037f39d541d5b8c9aba98a6656a7 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6886308 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Auto-Submit: Tom Sepez <tsepez@chromium.org>

• src/common/unsafe_buffers.h

• //
  // Copyright 2025 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // unsafe_buffers.h: exempts code from unsafe buffers warnings. Based upon
  // https://source.chromium.org/chromium/chromium/src/+/main:base/compiler_specific.h
  
  #ifndef COMMON_UNSAFE_BUFFERS_H_
  #define COMMON_UNSAFE_BUFFERS_H_
  
  #if defined(__clang__) && defined(__has_attribute)
  #    if __has_attribute(unsafe_buffer_usage)
  #        define ANGLE_UNSAFE_BUFFER_USAGE [[clang::unsafe_buffer_usage]]
  #    endif
  #endif
  #if !defined(ANGLE_UNSAFE_BUFFER_USAGE)
  #    define ANGLE_UNSAFE_BUFFER_USAGE
  #endif
  
  // Formatting is off so that we can put each _Pragma on its own line.
  // clang-format off
  #if defined(UNSAFE_BUFFERS_BUILD)
  #    define ANGLE_UNSAFE_BUFFERS(...)                  \
           _Pragma("clang unsafe_buffer_usage begin")    \
           __VA_ARGS__                                   \
           _Pragma("clang unsafe_buffer_usage end")
  #else
  #    define ANGLE_UNSAFE_BUFFERS(...) __VA_ARGS__
  #endif
  // clang-format on
  
  // Like ANGLE_UNSAFE_BUFFERS(), but indicates there is a TODO() task.
  #define ANGLE_UNSAFE_TODO(...) ANGLE_UNSAFE_BUFFERS(__VA_ARGS__)
  
  #endif  // COMMON_UNSAFE_BUFFERS_H_