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2e8067041d
gcc/libstdc++-v3
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Jason Merrill 2e8067041d libstdc++: check length in string append [PR103534] 
In the testcase for 103534 we get a warning about append leading to memcpy
of a very large number of bytes overflowing the buffer.  This turns out to
be because we weren't calling _M_check_length for string append.  Rather
than do that directly, let's go through the public pointer append that calls
it.

	PR c++/103534

libstdc++-v3/ChangeLog:

	* include/bits/basic_string.h (append (basic_string)): Call pointer
	append instead of _M_append directly.

gcc/testsuite/ChangeLog:

	* g++.dg/warn/Wstringop-overflow-8.C: New test.
2021-12-10 23:58:13 -05:00
..
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++: check length in string append [PR103534] 2021-12-10 23:58:13 -05:00
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++: Add std::time_get %r support [PR71367] 2021-12-10 17:05:04 +01:00
acinclude.m4 libstdc++: Fix definition of _GLIBCXX_NO_SLEEP config macro 2021-12-10 14:05:46 +00:00
aclocal.m4
ChangeLog Daily bump. 2021-12-11 00:16:30 +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.