From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- dom/indexedDB/IndexedDBCommon.cpp | 40 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 dom/indexedDB/IndexedDBCommon.cpp (limited to 'dom/indexedDB/IndexedDBCommon.cpp') diff --git a/dom/indexedDB/IndexedDBCommon.cpp b/dom/indexedDB/IndexedDBCommon.cpp new file mode 100644 index 0000000000..63a6fd2fb6 --- /dev/null +++ b/dom/indexedDB/IndexedDBCommon.cpp @@ -0,0 +1,40 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "IndexedDBCommon.h" + +#include "js/StructuredClone.h" +#include "mozilla/SnappyUncompressInputStream.h" + +namespace mozilla::dom::indexedDB { + +// aStructuredCloneData is a parameter rather than a return value because one +// caller preallocates it on the heap not immediately before calling for some +// reason. Maybe this could be changed. +nsresult SnappyUncompressStructuredCloneData( + nsIInputStream& aInputStream, JSStructuredCloneData& aStructuredCloneData) { + const auto snappyInputStream = + MakeRefPtr(&aInputStream); + + char buffer[kFileCopyBufferSize]; + + QM_TRY(CollectEach( + [&snappyInputStream = *snappyInputStream, &buffer] { + QM_TRY_RETURN(MOZ_TO_RESULT_INVOKE_MEMBER(snappyInputStream, Read, + buffer, sizeof(buffer))); + }, + [&aStructuredCloneData, + &buffer](const uint32_t& numRead) -> Result { + QM_TRY(OkIf(aStructuredCloneData.AppendBytes(buffer, numRead)), + Err(NS_ERROR_OUT_OF_MEMORY)); + + return Ok{}; + })); + + return NS_OK; +} + +} // namespace mozilla::dom::indexedDB -- cgit v1.2.3