gfx/skia/trunk/src/images/SkStreamHelpers.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

     1 /*
     2  * Copyright 2013 Google Inc.
     3  *
     4  * Use of this source code is governed by a BSD-style license that can be
     5  * found in the LICENSE file.
     6  */
     8 #include "SkStream.h"
     9 #include "SkStreamHelpers.h"
    10 #include "SkTypes.h"
    12 size_t CopyStreamToStorage(SkAutoMalloc* storage, SkStream* stream) {
    13     SkASSERT(storage != NULL);
    14     SkASSERT(stream != NULL);
    16     if (stream->hasLength()) {
    17         const size_t length = stream->getLength();
    18         void* dst = storage->reset(length);
    19         if (stream->read(dst, length) != length) {
    20             return 0;
    21         }
    22         return length;
    23     }
    25     SkDynamicMemoryWStream tempStream;
    26     // Arbitrary buffer size.
    27     const size_t bufferSize = 256 * 1024; // 256KB
    28     char buffer[bufferSize];
    29     SkDEBUGCODE(size_t debugLength = 0;)
    30     do {
    31         size_t bytesRead = stream->read(buffer, bufferSize);
    32         tempStream.write(buffer, bytesRead);
    33         SkDEBUGCODE(debugLength += bytesRead);
    34         SkASSERT(tempStream.bytesWritten() == debugLength);
    35     } while (!stream->isAtEnd());
    36     const size_t length = tempStream.bytesWritten();
    37     void* dst = storage->reset(length);
    38     tempStream.copyTo(dst);
    39     return length;
    40 }

mercurial