Fix UTF-16 surrogate handling in wctomb and friends.

* libc/stdlib/wctomb_r.c (__utf8_wctomb): Fix check for handling a
	lone high surrogate.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2015-04-01 15:31:18 +02:00
parent 849044a1e9
commit 829c8f6c2d
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3 changed files with 9 additions and 1 deletions

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@ -1,3 +1,8 @@
2015-04-01 Corinna Vinschen <vinschen@redhat.com>
* libc/stdlib/wctomb_r.c (__utf8_wctomb): Fix check for handling a
lone high surrogate.
2015-03-31 Corinna Vinschen <vinschen@redhat.com>
* libc/time/lcltime_r.c (localtime_r): Call _tzset_unlocked inside

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@ -74,7 +74,7 @@ _DEFUN (__utf8_wctomb, (r, s, wchar, charset, state),
return 0; /* UTF-8 encoding is not state-dependent */
if (sizeof (wchar_t) == 2 && state->__count == -4
&& (wchar < 0xdc00 || wchar >= 0xdfff))
&& (wchar < 0xdc00 || wchar > 0xdfff))
{
/* There's a leftover lone high surrogate. Write out the CESU-8 value
of the surrogate and proceed to convert the given character. Note

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@ -35,3 +35,6 @@ Bug Fixes
- Avoid potential crash at startup or in getgroups(2).
Addresses: https://cygwin.com/ml/cygwin/2015-04/msg00010.html
- Fix UTF-16 surrogate handling in wctomb and friends.
Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00452.html