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Code Releases Wiki Activity

HarfBuzz: Update to version 2.8.0

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This commit is contained in:
bruvzg
2021-03-16 19:56:39 +02:00
parent 4c56fcd6cd
commit b79e8c22f0
121 changed files with 3844 additions and 3151 deletions
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27
thirdparty/harfbuzz/src/hb-blob.cc vendored
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@@ -35,9 +35,6 @@
#include <sys/mman.h>
#endif /* HAVE_SYS_MMAN_H */
#include <stdio.h>
#include <stdlib.h>
/**
* SECTION: hb-blob
@@ -58,7 +55,7 @@
* @length: Length of @data in bytes.
* @mode: Memory mode for @data.
* @user_data: Data parameter to pass to @destroy.
* @destroy: (optional): Callback to call when @data is not needed anymore.
* @destroy: (nullable): 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.
@@ -116,7 +113,7 @@ _hb_blob_destroy (void *data)
* @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
* 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.
@@ -237,7 +234,7 @@ hb_blob_destroy (hb_blob_t *blob)
* @blob: An #hb_blob_t
* @key: The user-data key to set
* @data: A pointer to the user data to set
* @destroy: (optional): A callback to call when @data is not needed anymore
* @destroy: (nullable): A callback to call when @data is not needed anymore
* @replace: Whether to replace an existing data with the same key
*
* Attaches a user-data key/data pair to the specified blob.
@@ -299,7 +296,7 @@ hb_blob_make_immutable (hb_blob_t *blob)
*
* Tests whether a blob is immutable.
*
* Return value: %true if @blob is immutable, false otherwise
* Return value: %true if @blob is immutable, %false otherwise
*
* Since: 0.9.2
**/
@@ -365,16 +362,14 @@ hb_blob_get_data (hb_blob_t *blob, unsigned int *length)
char *
hb_blob_get_data_writable (hb_blob_t *blob, unsigned int *length)
{
if (!blob->try_make_writable ()) {
if (length)
*length = 0;
if (hb_object_is_immutable (blob) ||
!blob->try_make_writable ())
{
if (length) *length = 0;
return nullptr;
}
if (length)
*length = blob->length;
if (length) *length = blob->length;
return const_cast<char *> (blob->data);
}
@@ -440,8 +435,8 @@ hb_blob_t::try_make_writable_inplace ()
bool
hb_blob_t::try_make_writable ()
{
if (hb_object_is_immutable (this))
return false;
if (unlikely (!length))
mode = HB_MEMORY_MODE_WRITABLE;
if (this->mode == HB_MEMORY_MODE_WRITABLE)
return true;