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Ben Wagner 0d4f887c79 [base] Always close user-provided stream. 
The `FT_Open_Face` documentation states

> If `FT_OPEN_STREAM` is set in `args->flags`, the stream in `args->stream`
> is automatically closed before this function returns any error (including
> `FT_Err_Invalid_Argument`).

However, if the user provides a stream in `args.stream` with
`FT_OPEN_STREAM` set and a `close` function, but then for some reason passes
NULL for `aface` and a non-negative `face_index`, the error
`Invalid_Argument` is returned but the `close` callback will not be called
on the user-provided stream.  This may cause resource leaks if the caller is
depending on the `close` callback to free resources.

The difficulty is that a user may fill out a `FT_StreamRec` and pass its
address as `args.stream`, but the stream isn't really 'live' until
`FT_Stream_New` is called on it (and `memory` is set).  In particular, it
cannot really be cleaned up properly in `ft_open_face_internal` until the
stream pointer has been copied into the `stream` local variable.

* src/base/ftobj.c (ft_open_face_internal): Ensure that user-provided
`args.stream.close` is called even with early errors.
2023-01-17 08:54:11 +01:00
builds * builds/unix/configure.raw: Don't check for memcpy and memmove. 2022-12-14 09:19:26 +01:00
devel Add TT_CONFIG_OPTION_NO_BORING_EXPANSION configuration macro. 2022-11-12 17:11:36 +01:00
docs docs/CHANGES: Updated. 2022-11-08 08:27:52 +01:00
include [sfnt] Remove temporary runtime flag for variable 'COLR' v1. 2023-01-16 14:02:36 +01:00
objs * builds/windows/vc2010/freetype.vcxproj: AfterBuild copy. 2017-12-16 22:00:40 -05:00
src [base] Always close user-provided stream. 2023-01-17 08:54:11 +01:00
subprojects * subprojects/zlib.wrap: Micro-update from upstream. 2022-12-07 17:05:17 +01:00
tests * tests/issue-1063/main.c: s/PATH_MAX/FILENAME_MAX/. 2021-10-20 11:27:03 -04:00
.clang-format Add .clang-format file 2020-07-16 15:51:06 +02:00
.gitignore [meson] Add first regression test to FreeType 2021-06-16 10:28:47 +02:00
.gitlab-ci.yml ci: bump windows image and use newer runner and vs2019 2022-08-06 11:52:32 +00:00
.gitmodules Move 'dlg' submodule to subprojects directory. 2021-02-16 14:07:18 +01:00
.mailmap .mailmap: Typo. 2022-01-24 07:57:20 +01:00
autogen.sh autogen.sh: Fix building when freetype is itself a git submodule. 2022-04-26 16:07:42 -07:00
CMakeLists.txt CMakeLists.txt (FT_ENABLE_ERROR_STRINGS): New configuration option. 2022-08-21 19:58:35 +02:00
configure * configure: s/egrep/grep -E/ 2022-07-24 19:49:56 +02:00
LICENSE.TXT [autofit] Don't depend on 'hb-ft'. 2023-01-06 12:54:17 +01:00
Makefile Update all copyright notices. 2022-01-11 10:54:10 +01:00
meson_options.txt Update all copyright notices. 2022-01-11 10:54:10 +01:00
meson.build [meson] Use generated ftmodule.h 2022-11-14 14:43:04 +01:00
modules.cfg Add 'svg' module for OT-SVG rendering. 2022-01-20 16:45:18 +00:00
README REAMDE: Mention that gitlab's 'download' button doesn't work. 2022-05-18 07:06:58 +02:00
README.git Update all copyright notices. 2022-01-11 10:54:10 +01:00
vms_make.com Update all copyright notices. 2022-01-11 10:54:10 +01:00

README 

FreeType 2.12.1
===============

Homepage: https://www.freetype.org

FreeType is a freely available software library to render fonts.

It  is  written  in  C,   designed  to  be  small,  efficient,  highly
customizable,  and portable  while capable  of producing  high-quality
output (glyph images) of most vector and bitmap font formats.

Please   read  the   `docs/CHANGES`   file,   it  contains   IMPORTANT
INFORMATION.

Read the files `docs/INSTALL*`  for installation instructions; see the
file `docs/LICENSE.TXT` for the available licenses.

For using FreeType's git repository  instead of a distribution bundle,
please read file  `README.git`.  Note that you have  to actually clone
the repository; using a snapshot will  not work (in other words, don't
use gitlab's 'Download' button).

The FreeType 2 API reference is located in directory `docs/reference`;
use the file  `index.html` as the top entry point.   [Please note that
currently  the search  function  for  locally installed  documentation
doesn't work due to cross-site scripting issues.]

Additional documentation is  available as a separate  package from our
sites.  Go to

  https://download.savannah.gnu.org/releases/freetype/

and download one of the following files.

  freetype-doc-2.12.1.tar.xz
  freetype-doc-2.12.1.tar.gz
  ftdoc2121.zip

To view the documentation online, go to

  https://www.freetype.org/freetype2/docs/


Mailing Lists
-------------

The preferred  way of  communication with the  FreeType team  is using
e-mail lists.

  general use and discussion:      freetype@nongnu.org
  engine internals, porting, etc.: freetype-devel@nongnu.org
  announcements:                   freetype-announce@nongnu.org
  git repository tracker:          freetype-commit@nongnu.org

The lists are moderated; see

  https://www.freetype.org/contact.html

how to subscribe.


Bugs
----

Please submit bug reports at

  https://gitlab.freedesktop.org/freetype/freetype/-/issues

Alternatively,    you    might    report    bugs    by    e-mail    to
`freetype-devel@nongnu.org`.    Don't  forget   to  send   a  detailed
explanation of the problem -- there  is nothing worse than receiving a
terse message that only says 'it doesn't work'.


Patches
-------

For larger changes please provide merge requests at

  https://gitlab.freedesktop.org/freetype/freetype/-/merge_requests

Alternatively, you can send patches to the `freetype-devel@nongnu.org`
mailing list  -- and thank you  in advance for your  work on improving
FreeType!

Details on the process can be found here:

  https://www.freetype.org/developer.html#patches


Enjoy!

  The FreeType Team

----------------------------------------------------------------------

Copyright (C) 2006-2022 by
David Turner, Robert Wilhelm, and Werner Lemberg.

This  file is  part of  the FreeType  project, and  may only  be used,
modified,  and distributed  under the  terms of  the  FreeType project
license,  LICENSE.TXT.  By  continuing to  use, modify,  or distribute
this file you  indicate that you have read  the license and understand
and accept it fully.


--- end of README ---