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Werner Lemberg 730b6d7468 [sfnt] Improve handling of invalid SFNT table entries (#45987). 
This patch fixes weaknesses in function `tt_face_load_font_dir'.

- It incorrectly assumed that valid tables are always at the
  beginning.  As a consequence, some valid tables after invalid
  entries (which are ignored) were never seen.

- Duplicate table entries (this is, having the same tag) were not
  rejected.

- The number of valid tables was sometimes too large, leading to
  access of invalid tables.

* src/sfnt/ttload.c (check_table_dir): Add argument to return number
of valid tables.
Add another tracing message.
(tt_face_load_font_dir): Only allocate table array for valid
entries as returned by `check_table_dir'.
Reject duplicate tables and adjust number of valid tables
accordingly.
2015-09-19 12:41:12 +02:00
builds Replace `mkinstalldirs' with AC_PROG_MKDIR_P. 2015-09-13 23:53:16 +02:00
devel Another adjustment to header locations. 2015-06-26 06:48:00 +02:00
docs Update `CHANGES' file. 2015-09-09 08:02:47 +02:00
include Better document various TrueType hinting modes. 2015-09-10 07:44:48 +02:00
objs Fix Windows build directories. 2014-02-08 11:34:33 +01:00
src [sfnt] Improve handling of invalid SFNT table entries (#45987). 2015-09-19 12:41:12 +02:00
.gitignore [build] Better optimization settings for vc2010 solution file. 2014-10-14 11:35:16 +02:00
.mailmap Add .mailmap file. 2012-12-08 12:30:37 +01:00
autogen.sh Replace `mkinstalldirs' with AC_PROG_MKDIR_P. 2015-09-13 23:53:16 +02:00
ChangeLog [sfnt] Improve handling of invalid SFNT table entries (#45987). 2015-09-19 12:41:12 +02:00
ChangeLog.20 Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
ChangeLog.21 Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
ChangeLog.22 Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
ChangeLog.23 Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
ChangeLog.24 Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
CMakeLists.txt * CMakeLists.txt: Improve shared library support. 2015-08-02 18:35:49 +02:00
configure Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
Jamfile Another adjustment to header locations. 2015-06-26 06:48:00 +02:00
Jamrules Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
Makefile Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
modules.cfg Another adjustment to header locations. 2015-06-26 06:48:00 +02:00
README Minor. 2015-07-28 06:44:40 +02:00
README.git Minor copyright and e-mail address issues. 2015-03-11 08:48:15 +01:00
version.sed Put version information into the configure script. Reported by Paul 2006-05-08 07:10:29 +00:00
vms_make.com Minor copyright and e-mail address issues. 2015-03-11 08:48:15 +01:00

README 

  FreeType 2.6
  ============

  Homepage: http://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.

  The FreeType 2 API reference is located in `docs/reference'; use the
  file   `ft2-toc.html'   as   the   top  entry   point.    Additional
  documentation is available as a separate package from our sites.  Go
  to

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

  and download one of the following files.

    freetype-doc-2.6.tar.bz2
    freetype-doc-2.6.tar.gz
    ftdoc26.zip

  To view the documentation online, go to

    http://www.freetype.org/freetype2/documentation.html


  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

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

  how to subscribe.


  Bugs
  ====

  Please submit bug reports at

    https://savannah.nongnu.org/bugs/?group=freetype

  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'.


  Enjoy!


    The FreeType Team

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

Copyright 2006-2015 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 ---