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Giuseppe D'Angelo 704c4d0e10 QUtfCodec: don't encode invalid UCS-4 codepoints 
The code didn't check for malformed surrogate pairs. That means that

- high surrogates followed by *anything* were decoded as they formed
  a valid surrogate pair;
- stray low surrogates were returned as-is.

We can't return surrogate values in UCS-4, so properly detect these
cases and return U+FFFD instead.

[ChangeLog][QtCore][QTextCodec] Encoding a QString in UTF-32 will now
replace malformed UTF-16 subsequences in the string with the Unicode
replacement character (U+FFFD).

Change-Id: I5cd771d6aa21ffeff4dd9d9e5a7961cf692dc457
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
2014-02-07 15:00:39 +01:00
bin Merge "Merge remote-tracking branch 'origin/release' into stable" into refs/staging/stable 2013-06-15 22:39:25 +02:00
config.tests Merge "Merge remote-tracking branch 'origin/stable' into dev" into refs/staging/dev 2014-01-21 17:57:54 +01:00
dist Merge remote-tracking branch 'origin/stable' into dev 2013-12-24 00:56:59 +01:00
doc Ask qdoc not to parse Q_DECL_UNUSED 2014-01-14 18:52:14 +01:00
examples Fix MSVC-warnings about double to float truncation. 2014-01-24 20:26:39 +01:00
lib Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
mkspecs Update the macro that MSVC 2013 defines for AVX code generation 2014-02-01 00:58:58 +01:00
qmake Fix configure & qmake compilation with a future MSVC version 2014-02-01 06:56:45 +01:00
src QUtfCodec: don't encode invalid UCS-4 codepoints 2014-02-07 15:00:39 +01:00
tests Fix QString::toUcs4 returning invalid data when encountering stray surrogates 2014-02-07 15:00:36 +01:00
tools Fix configure & qmake compilation with a future MSVC version 2014-02-01 06:56:45 +01:00
util Introduce QChar::JoiningType enum and QChar::joiningType() method 2014-01-29 23:19:47 +01:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
.gitignore GitIgnore updates 2013-12-09 17:28:18 +01:00
.qmake.conf Enable -Werror for all of qtbase 2013-09-04 01:50:10 +02:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
configure Set QMAKE_X11_PREFIX also when Qt configure with -qt-xcb 2014-02-04 20:57:06 +01:00
configure.bat get rid of syncqt wrapper scripts 2013-05-13 21:54:48 +02:00
header.BSD Update copyright year in Digia's license headers 2013-01-18 09:07:35 +01:00
header.FDL Update copyright year in Digia's license headers 2013-01-18 09:07:35 +01:00
header.LGPL Update copyright year in Digia's license headers 2013-01-18 09:07:35 +01:00
header.LGPL-ONLY Update copyright year in Digia's license headers 2013-01-18 09:07:35 +01:00
INSTALL INSTALL: Fix URL of Installing Qt documentation 2013-04-11 16:09:07 +02:00
LGPL_EXCEPTION.txt Change copyrights from Nokia to Digia 2012-09-22 19:20:11 +02:00
LICENSE.FDL Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
LICENSE.GPL Add the LICENSE.GPL file to the module referenced from license headers 2012-05-20 22:41:08 +02:00
LICENSE.LGPL Update copyright year in Digia's license headers 2013-01-18 09:07:35 +01:00
LICENSE.PREVIEW.COMMERCIAL Update LICENSE.PREVIEW.COMMERCIAL license 2013-06-03 20:04:26 +02:00
qtbase.pro Merge remote-tracking branch 'origin/release' into stable 2013-12-05 17:42:33 +01:00
sync.profile generate qfeatures.h at build time 2013-10-29 15:37:58 +01:00