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diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.41/src/hb-blob.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.41/src/hb-blob.cc
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--- a/Build/source/libs/harfbuzz/harfbuzz-0.9.41/src/hb-blob.cc
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-/*
- * Copyright © 2009 Red Hat, Inc.
- *
- * This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Red Hat Author(s): Behdad Esfahbod
- */
-
-/* http://www.oracle.com/technetwork/articles/servers-storage-dev/standardheaderfiles-453865.html */
-#ifndef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199309L
-#endif
-
-#include "hb-private.hh"
-
-#include "hb-object-private.hh"
-
-#ifdef HAVE_SYS_MMAN_H
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#include <sys/mman.h>
-#endif /* HAVE_SYS_MMAN_H */
-
-#include <stdio.h>
-#include <errno.h>
-
-
-
-#ifndef HB_DEBUG_BLOB
-#define HB_DEBUG_BLOB (HB_DEBUG+0)
-#endif
-
-
-struct hb_blob_t {
- hb_object_header_t header;
- ASSERT_POD ();
-
- bool immutable;
-
- const char *data;
- unsigned int length;
- hb_memory_mode_t mode;
-
- void *user_data;
- hb_destroy_func_t destroy;
-};
-
-
-static bool _try_writable (hb_blob_t *blob);
-
-static void
-_hb_blob_destroy_user_data (hb_blob_t *blob)
-{
- if (blob->destroy) {
- blob->destroy (blob->user_data);
- blob->user_data = NULL;
- blob->destroy = NULL;
- }
-}
-
-/**
- * hb_blob_create: (skip)
- * @data: Pointer to blob data.
- * @length: Length of @data in bytes.
- * @mode: Memory mode for @data.
- * @user_data: Data parameter to pass to @destroy.
- * @destroy: Callback to call when @data is not needed anymore.
- *
- * Creates a new "blob" object wrapping @data. The @mode parameter is used
- * to negotiate ownership and lifecycle of @data.
- *
- * Return value: New blob, or the empty blob if something failed or if @length is
- * zero. Destroy with hb_blob_destroy().
- *
- * Since: 1.0
- **/
-hb_blob_t *
-hb_blob_create (const char *data,
- unsigned int length,
- hb_memory_mode_t mode,
- void *user_data,
- hb_destroy_func_t destroy)
-{
- hb_blob_t *blob;
-
- if (!length ||
- length >= 1u << 31 ||
- data + length < data /* overflows */ ||
- !(blob = hb_object_create<hb_blob_t> ())) {
- if (destroy)
- destroy (user_data);
- return hb_blob_get_empty ();
- }
-
- blob->data = data;
- blob->length = length;
- blob->mode = mode;
-
- blob->user_data = user_data;
- blob->destroy = destroy;
-
- if (blob->mode == HB_MEMORY_MODE_DUPLICATE) {
- blob->mode = HB_MEMORY_MODE_READONLY;
- if (!_try_writable (blob)) {
- hb_blob_destroy (blob);
- return hb_blob_get_empty ();
- }
- }
-
- return blob;
-}
-
-/**
- * hb_blob_create_sub_blob:
- * @parent: Parent blob.
- * @offset: Start offset of sub-blob within @parent, in bytes.
- * @length: Length of sub-blob.
- *
- * Returns a blob that represents a range of bytes in @parent. The new
- * blob is always created with %HB_MEMORY_MODE_READONLY, meaning that it
- * will never modify data in the parent blob. The parent data is not
- * expected to be modified, and will result in undefined behavior if it
- * is.
- *
- * Makes @parent immutable.
- *
- * Return value: New blob, or the empty blob if something failed or if
- * @length is zero or @offset is beyond the end of @parent's data. Destroy
- * with hb_blob_destroy().
- *
- * Since: 1.0
- **/
-hb_blob_t *
-hb_blob_create_sub_blob (hb_blob_t *parent,
- unsigned int offset,
- unsigned int length)
-{
- hb_blob_t *blob;
-
- if (!length || offset >= parent->length)
- return hb_blob_get_empty ();
-
- hb_blob_make_immutable (parent);
-
- blob = hb_blob_create (parent->data + offset,
- MIN (length, parent->length - offset),
- HB_MEMORY_MODE_READONLY,
- hb_blob_reference (parent),
- (hb_destroy_func_t) hb_blob_destroy);
-
- return blob;
-}
-
-/**
- * hb_blob_get_empty:
- *
- * Returns the singleton empty blob.
- *
- * See TODO:link object types for more information.
- *
- * Return value: (transfer full): the empty blob.
- *
- * Since: 1.0
- **/
-hb_blob_t *
-hb_blob_get_empty (void)
-{
- static const hb_blob_t _hb_blob_nil = {
- HB_OBJECT_HEADER_STATIC,
-
- true, /* immutable */
-
- NULL, /* data */
- 0, /* length */
- HB_MEMORY_MODE_READONLY, /* mode */
-
- NULL, /* user_data */
- NULL /* destroy */
- };
-
- return const_cast<hb_blob_t *> (&_hb_blob_nil);
-}
-
-/**
- * hb_blob_reference: (skip)
- * @blob: a blob.
- *
- * Increases the reference count on @blob.
- *
- * See TODO:link object types for more information.
- *
- * Return value: @blob.
- *
- * Since: 1.0
- **/
-hb_blob_t *
-hb_blob_reference (hb_blob_t *blob)
-{
- return hb_object_reference (blob);
-}
-
-/**
- * hb_blob_destroy: (skip)
- * @blob: a blob.
- *
- * Descreases the reference count on @blob, and if it reaches zero, destroys
- * @blob, freeing all memory, possibly calling the destroy-callback the blob
- * was created for if it has not been called already.
- *
- * See TODO:link object types for more information.
- *
- * Since: 1.0
- **/
-void
-hb_blob_destroy (hb_blob_t *blob)
-{
- if (!hb_object_destroy (blob)) return;
-
- _hb_blob_destroy_user_data (blob);
-
- free (blob);
-}
-
-/**
- * hb_blob_set_user_data: (skip)
- * @blob: a blob.
- * @key: key for data to set.
- * @data: data to set.
- * @destroy: callback to call when @data is not needed anymore.
- * @replace: whether to replace an existing data with the same key.
- *
- * Return value:
- *
- * Since: 1.0
- **/
-hb_bool_t
-hb_blob_set_user_data (hb_blob_t *blob,
- hb_user_data_key_t *key,
- void * data,
- hb_destroy_func_t destroy,
- hb_bool_t replace)
-{
- return hb_object_set_user_data (blob, key, data, destroy, replace);
-}
-
-/**
- * hb_blob_get_user_data: (skip)
- * @blob: a blob.
- * @key: key for data to get.
- *
- *
- *
- * Return value: (transfer none):
- *
- * Since: 1.0
- **/
-void *
-hb_blob_get_user_data (hb_blob_t *blob,
- hb_user_data_key_t *key)
-{
- return hb_object_get_user_data (blob, key);
-}
-
-
-/**
- * hb_blob_make_immutable:
- * @blob: a blob.
- *
- *
- *
- * Since: 1.0
- **/
-void
-hb_blob_make_immutable (hb_blob_t *blob)
-{
- if (hb_object_is_inert (blob))
- return;
-
- blob->immutable = true;
-}
-
-/**
- * hb_blob_is_immutable:
- * @blob: a blob.
- *
- *
- *
- * Return value: TODO
- *
- * Since: 1.0
- **/
-hb_bool_t
-hb_blob_is_immutable (hb_blob_t *blob)
-{
- return blob->immutable;
-}
-
-
-/**
- * hb_blob_get_length:
- * @blob: a blob.
- *
- *
- *
- * Return value: the length of blob data in bytes.
- *
- * Since: 1.0
- **/
-unsigned int
-hb_blob_get_length (hb_blob_t *blob)
-{
- return blob->length;
-}
-
-/**
- * hb_blob_get_data:
- * @blob: a blob.
- * @length: (out):
- *
- *
- *
- * Returns: (transfer none) (array length=length):
- *
- * Since: 1.0
- **/
-const char *
-hb_blob_get_data (hb_blob_t *blob, unsigned int *length)
-{
- if (length)
- *length = blob->length;
-
- return blob->data;
-}
-
-/**
- * hb_blob_get_data_writable:
- * @blob: a blob.
- * @length: (out): output length of the writable data.
- *
- * Tries to make blob data writable (possibly copying it) and
- * return pointer to data.
- *
- * Fails if blob has been made immutable, or if memory allocation
- * fails.
- *
- * Returns: (transfer none) (array length=length): Writable blob data,
- * or %NULL if failed.
- *
- * Since: 1.0
- **/
-char *
-hb_blob_get_data_writable (hb_blob_t *blob, unsigned int *length)
-{
- if (!_try_writable (blob)) {
- if (length)
- *length = 0;
-
- return NULL;
- }
-
- if (length)
- *length = blob->length;
-
- return const_cast<char *> (blob->data);
-}
-
-
-static hb_bool_t
-_try_make_writable_inplace_unix (hb_blob_t *blob)
-{
-#if defined(HAVE_SYS_MMAN_H) && defined(HAVE_MPROTECT)
- uintptr_t pagesize = -1, mask, length;
- const char *addr;
-
-#if defined(HAVE_SYSCONF) && defined(_SC_PAGE_SIZE)
- pagesize = (uintptr_t) sysconf (_SC_PAGE_SIZE);
-#elif defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
- pagesize = (uintptr_t) sysconf (_SC_PAGESIZE);
-#elif defined(HAVE_GETPAGESIZE)
- pagesize = (uintptr_t) getpagesize ();
-#endif
-
- if ((uintptr_t) -1L == pagesize) {
- DEBUG_MSG_FUNC (BLOB, blob, "failed to get pagesize: %s", strerror (errno));
- return false;
- }
- DEBUG_MSG_FUNC (BLOB, blob, "pagesize is %lu", (unsigned long) pagesize);
-
- mask = ~(pagesize-1);
- addr = (const char *) (((uintptr_t) blob->data) & mask);
- length = (const char *) (((uintptr_t) blob->data + blob->length + pagesize-1) & mask) - addr;
- DEBUG_MSG_FUNC (BLOB, blob,
- "calling mprotect on [%p..%p] (%lu bytes)",
- addr, addr+length, (unsigned long) length);
- if (-1 == mprotect ((void *) addr, length, PROT_READ | PROT_WRITE)) {
- DEBUG_MSG_FUNC (BLOB, blob, "mprotect failed: %s", strerror (errno));
- return false;
- }
-
- blob->mode = HB_MEMORY_MODE_WRITABLE;
-
- DEBUG_MSG_FUNC (BLOB, blob,
- "successfully made [%p..%p] (%lu bytes) writable\n",
- addr, addr+length, (unsigned long) length);
- return true;
-#else
- return false;
-#endif
-}
-
-static bool
-_try_writable_inplace (hb_blob_t *blob)
-{
- DEBUG_MSG_FUNC (BLOB, blob, "making writable inplace\n");
-
- if (_try_make_writable_inplace_unix (blob))
- return true;
-
- DEBUG_MSG_FUNC (BLOB, blob, "making writable -> FAILED\n");
-
- /* Failed to make writable inplace, mark that */
- blob->mode = HB_MEMORY_MODE_READONLY;
- return false;
-}
-
-static bool
-_try_writable (hb_blob_t *blob)
-{
- if (blob->immutable)
- return false;
-
- if (blob->mode == HB_MEMORY_MODE_WRITABLE)
- return true;
-
- if (blob->mode == HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE && _try_writable_inplace (blob))
- return true;
-
- if (blob->mode == HB_MEMORY_MODE_WRITABLE)
- return true;
-
-
- DEBUG_MSG_FUNC (BLOB, blob, "current data is -> %p\n", blob->data);
-
- char *new_data;
-
- new_data = (char *) malloc (blob->length);
- if (unlikely (!new_data))
- return false;
-
- DEBUG_MSG_FUNC (BLOB, blob, "dupped successfully -> %p\n", blob->data);
-
- memcpy (new_data, blob->data, blob->length);
- _hb_blob_destroy_user_data (blob);
- blob->mode = HB_MEMORY_MODE_WRITABLE;
- blob->data = new_data;
- blob->user_data = new_data;
- blob->destroy = free;
-
- return true;
-}