The Tor Browser: netwerk/base/src/nsBase64Encoder.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "nsBase64Encoder.h"

     7 #include "plbase64.h"

     8 #include "prmem.h"

    10 NS_IMPL_ISUPPORTS(nsBase64Encoder, nsIOutputStream)

    12 NS_IMETHODIMP

    13 nsBase64Encoder::Close()

    14 {

    15   return NS_OK;

    16 }

    18 NS_IMETHODIMP

    19 nsBase64Encoder::Flush()

    20 {

    21   return NS_OK;

    22 }

    24 NS_IMETHODIMP

    25 nsBase64Encoder::Write(const char* aBuf, uint32_t aCount, uint32_t* _retval)

    26 {

    27   mData.Append(aBuf, aCount);

    28   *_retval = aCount;

    29   return NS_OK;

    30 }

    32 NS_IMETHODIMP

    33 nsBase64Encoder::WriteFrom(nsIInputStream* aStream, uint32_t aCount,

    34                            uint32_t* _retval)

    35 {

    36   return NS_ERROR_NOT_IMPLEMENTED;

    37 }

    39 NS_IMETHODIMP

    40 nsBase64Encoder::WriteSegments(nsReadSegmentFun aReader,

    41                                void* aClosure,

    42                                uint32_t aCount,

    43                                uint32_t* _retval)

    44 {

    45   return NS_ERROR_NOT_IMPLEMENTED;

    46 }

    48 NS_IMETHODIMP

    49 nsBase64Encoder::IsNonBlocking(bool* aNonBlocking)

    50 {

    51   *aNonBlocking = false;

    52   return NS_OK;

    53 }

    55 nsresult

    56 nsBase64Encoder::Finish(nsCSubstring& result)

    57 {

    58   char* b64 = PL_Base64Encode(mData.get(), mData.Length(), nullptr);

    59   if (!b64)

    60     return NS_ERROR_OUT_OF_MEMORY;

    62   result.Assign(b64);

    63   PR_Free(b64);

    64   // Free unneeded memory and allow reusing the object

    65   mData.Truncate();

    66   return NS_OK;

    67 }

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