RFR: JDK-8301070: Replace NULL with nullptr in share/memory/

[Stefan Karlsson]

On Wed, 25 Jan 2023 11:45:47 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

> Do the conversion in the share/memory/ sub-directory and all of its files.

Marked as reviewed by stefank (Reviewer).

src/hotspot/share/memory/guardedMemory.hpp line 196:

> 194:    */
> 195:   void* wrap_with_guards(void* base_ptr, size_t user_size, const void* tag = nullptr) {
> 196:     assert(base_ptr != nullptr, "Attempt to wrap nullptr with memory guard");

wrap nullptr => wrap null?

src/hotspot/share/memory/guardedMemory.hpp line 229:

> 227:    * Return the general purpose tag.
> 228:    *
> 229:    * @return the general purpose tag, defaults to nullptr.

nullptr => null?

src/hotspot/share/memory/guardedMemory.hpp line 306:

> 304:    * @param tag optional general purpose tag (see GuardedMemory::get_tag())
> 305:    *
> 306:    * @return guarded wrapped memory pointer to the user area, or nullptr if OOM.

nullptr => null?

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PR: https://git.openjdk.org/jdk/pull/12185