The Tor Browser: xpcom/string/src/nsTString.cpp@b8a032363ba2

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

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

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

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

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

     7 nsTAdoptingString_CharT&

     8 nsTAdoptingString_CharT::operator=( const self_type& str )

     9   {

    10     // This'll violate the constness of this argument, that's just

    11     // the nature of this class...

    12     self_type* mutable_str = const_cast<self_type*>(&str);

    14     if (str.mFlags & F_OWNED)

    15       {

    16         // We want to do what Adopt() does, but without actually incrementing

    17         // the Adopt count.  Note that we can be a little more straightforward

    18         // about this than Adopt() is, because we know that str.mData is

    19         // non-null.  Should we be able to assert that str is not void here?

    20         NS_ASSERTION(str.mData, "String with null mData?");

    21         Finalize();

    22         mData = str.mData;

    23         mLength = str.mLength;

    24         SetDataFlags(F_TERMINATED | F_OWNED);

    26         // Make str forget the buffer we just took ownership of.

    27         new (mutable_str) self_type();

    28       }

    29     else

    30       {

    31         Assign(str);

    33         mutable_str->Truncate();

    34       }

    36     return *this;

    37   }

    39 void

    40 nsTString_CharT::Rebind( const char_type* data, size_type length )

    41   {

    42     // If we currently own a buffer, release it.

    43     Finalize();

    45     mData = const_cast<char_type*>(data);

    46     mLength = length;

    47     SetDataFlags(F_TERMINATED);

    48     AssertValidDepedentString();

    49   }

The Tor Browser / file revision