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b1f54173e8
Also move MOZ_MUST_USE before function declarations' specifiers and return type. While clang and gcc's __attribute__((warn_unused_result)) can appear before, between, or after function specifiers and return types, the [[nodiscard]] attribute must precede the function specifiers. Also remove MOZ_MUST_USE from nsIMemoryReporter's function pointer typedefs. [[nodiscard]] is an attribute of a function's declaration, not the function's type, and thus can't be applied to function pointers or lambdas. Differential Revision: https://phabricator.services.mozilla.com/D68138 --HG-- extra : moz-landing-system : lando
73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_Base64_h__
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#define mozilla_Base64_h__
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#include "nsString.h"
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class nsIInputStream;
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namespace mozilla {
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[[nodiscard]] nsresult Base64EncodeInputStream(nsIInputStream* aInputStream,
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nsACString& aDest,
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uint32_t aCount,
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uint32_t aOffset = 0);
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[[nodiscard]] nsresult Base64EncodeInputStream(nsIInputStream* aInputStream,
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nsAString& aDest,
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uint32_t aCount,
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uint32_t aOffset = 0);
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[[nodiscard]] nsresult Base64Encode(const char* aBinary, uint32_t aBinaryLen,
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char** aBase64);
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[[nodiscard]] nsresult Base64Encode(const nsACString& aBinary,
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nsACString& aBase64);
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// The high bits of any characters in aBinary are dropped.
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[[nodiscard]] nsresult Base64Encode(const nsAString& aBinary,
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nsAString& aBase64);
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[[nodiscard]] nsresult Base64Decode(const char* aBase64, uint32_t aBase64Len,
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char** aBinary, uint32_t* aBinaryLen);
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[[nodiscard]] nsresult Base64Decode(const nsACString& aBase64,
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nsACString& aBinary);
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// The high bits of any characters in aBase64 are dropped.
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[[nodiscard]] nsresult Base64Decode(const nsAString& aBase64,
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nsAString& aBinary);
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enum class Base64URLEncodePaddingPolicy {
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Include,
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Omit,
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};
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/**
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* Converts |aBinary| to an unpadded, Base64 URL-encoded string per RFC 4648.
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* Aims to encode the data in constant time. The caller retains ownership
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* of |aBinary|.
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*/
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[[nodiscard]] nsresult Base64URLEncode(
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uint32_t aBinaryLen, const uint8_t* aBinary,
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Base64URLEncodePaddingPolicy aPaddingPolicy, nsACString& aBase64);
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enum class Base64URLDecodePaddingPolicy {
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Require,
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Ignore,
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Reject,
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};
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/**
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* Decodes a Base64 URL-encoded |aBase64| into |aBinary|.
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*/
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[[nodiscard]] nsresult Base64URLDecode(
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const nsACString& aBase64, Base64URLDecodePaddingPolicy aPaddingPolicy,
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FallibleTArray<uint8_t>& aBinary);
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} // namespace mozilla
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#endif
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