Delete bundled copy of NSS and replace with README.

nspr/pr/src/memory/prseg.c

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* 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 "primpl.h"
-
-#if defined(_PR_PTHREADS)
-
-/*
-** The pthreads version doesn't use these functions.
-*/
-void _PR_InitSegs(void)
-{
-}
-
-#else /* _PR_PTHREADS */
-
-void _PR_InitSegs(void)
-{
-        _PR_MD_INIT_SEGS();
-}
-
-/*
-** Allocate a memory segment. The size value is rounded up to the native
-** system page size and a page aligned portion of memory is returned.
-** This memory is not part of the malloc heap. If "vaddr" is not NULL
-** then PR tries to allocate the segment at the desired virtual address.
-*/
-PRSegment* _PR_NewSegment(PRUint32 size, void *vaddr)
-{
-    PRSegment *seg;
-
-        /* calloc the data structure for the segment */
-    seg = PR_NEWZAP(PRSegment);
-
-    if (seg) {
-            size = ((size + _pr_pageSize - 1) >> _pr_pageShift) << _pr_pageShift;
-                /*
-                **      Now, allocate the actual segment memory (or map under some OS)
-                **      The OS specific code decides from where or how to allocate memory.
-                */
-            if (_PR_MD_ALLOC_SEGMENT(seg, size, vaddr) != PR_SUCCESS) {
-                        PR_DELETE(seg);
-                        return NULL;
-        }
-        }
-
-    return seg;
-}
-
-/*
-** Free a memory segment.
-*/
-void _PR_DestroySegment(PRSegment *seg)
-{
-        _PR_MD_FREE_SEGMENT(seg);
-    PR_DELETE(seg);
-}
-
-#endif /* _PR_PTHREADS */