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Jonathan Wakely ef5d671cd8 libstdc++: Fix std::regex_replace for strings with embedded null [PR103664] 
The overload of std::regex_replace that takes a std::basic_string as the
fmt argument (for the replacement string) is implemented in terms of the
one taking a const C*, which uses std::char_traits to find the length.
That means it stops at a null character, even though the basic_string
might have additional characters beyond that.

Rather than duplicate the implementation of the const C* one for the
std::basic_string case, this moves that implementation to a new
__regex_replace function which takes a const C* and a length. Then both
the std::basic_string and const C* overloads can call that (with the
latter using char_traits to find the length to pass to the new
function).

libstdc++-v3/ChangeLog:

	PR libstdc++/103664
	* include/bits/regex.h (__regex_replace): Declare.
	(regex_replace): Use it.
	* include/bits/regex.tcc (__regex_replace): Replace regex_replace
	definition with __regex_replace.
	* testsuite/28_regex/algorithms/regex_replace/char/103664.cc: New test.
2021-12-13 11:11:30 +00:00
..
config libstdc++: Add std::time_get %r support [PR71367] 2021-12-10 17:05:04 +01:00
doc libstdc++: Allow std::condition_variable waits to be cancelled [PR103382] 2021-12-09 22:58:19 +00:00
include libstdc++: Fix std::regex_replace for strings with embedded null [PR103664] 2021-12-13 11:11:30 +00:00
libsupc++ libstdc++: Make std::make_exception_ptr work with -fno-exceptions [PR85813] 2021-12-09 23:12:20 +00:00
po Update copyright years. 2021-01-04 10:26:59 +01:00
python libstdc++: Fix pretty printing of std::unique_ptr [PR103086] 2021-11-04 22:50:02 +00:00
scripts libstdc++: Improve generated man pages for libstdc++ 2021-10-21 22:24:57 +01:00
src libstdc++: Allow std::condition_variable waits to be cancelled [PR103382] 2021-12-09 22:58:19 +00:00
testsuite libstdc++: Fix std::regex_replace for strings with embedded null [PR103664] 2021-12-13 11:11:30 +00:00
acinclude.m4 libstdc++: Fix definition of _GLIBCXX_NO_SLEEP config macro 2021-12-10 14:05:46 +00:00
aclocal.m4
ChangeLog Daily bump. 2021-12-12 00:16:45 +00:00
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ChangeLog-2020 libstdc++: Fix typo in ChangeLog-2020 2021-01-13 11:02:13 +00:00
config.h.in libstdc++: Fix definition of _GLIBCXX_NO_SLEEP config macro 2021-12-10 14:05:46 +00:00
configure libstdc++: Fix definition of _GLIBCXX_NO_SLEEP config macro 2021-12-10 14:05:46 +00:00
configure.ac libstdc++: Support getentropy and arc4random in std::random_device 2021-11-09 14:40:33 +00:00
configure.host Scope libstdc++ configuration for vxworks to all versions 2020-10-22 16:40:57 +00:00
crossconfig.m4 libstdc++: Check for TLS support on mingw cross-compilers 2021-09-15 09:49:33 +01:00
fragment.am libstdc++: Add C++ runtime support for new 128-bit long double format 2020-12-16 23:25:01 +00:00
linkage.m4
Makefile.am Update copyright years. 2021-01-04 10:26:59 +01:00
Makefile.in libstdc++: Add C++ runtime support for new 128-bit long double format 2020-12-16 23:25:01 +00:00
README

README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.