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gcc/libstdc++-v3
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Jonathan Wakely 4e39f563c0 libstdc++: Do not set eofbit eagerly in operator>>(istream&, char(&)[N]) 
Similar to the bugs I fixed recently in istream::ignore, we incorrectly
set eofbit too often in operator>>(istream&, string&) and
operator>>(istream&.  char(&)[N]).

We should only set eofbit if we reach EOF but would have kept going
otherwise. If we've already extracted the maximum number of characters
(whether that's because of the buffer size or the istream's width())
then we should not set eofbit.

libstdc++-v3/ChangeLog:

	* include/bits/basic_string.tcc
	(operator>>(basic_istream&, basic_string&)): Do not set eofbit
	if extraction stopped after in.width() characters.
	* src/c++98/istream-string.cc (operator>>(istream&, string&)):
	Likewise.
	* include/bits/istream.tcc (__istream_extract): Do not set
	eofbit if extraction stopped after n-1 characters.
	* src/c++98/istream.cc (__istream_extract): Likewise.
	* testsuite/21_strings/basic_string/inserters_extractors/char/13.cc: New test.
	* testsuite/21_strings/basic_string/inserters_extractors/wchar_t/13.cc: New test.
	* testsuite/27_io/basic_istream/extractors_character/char/5.cc: New test.
	* testsuite/27_io/basic_istream/extractors_character/wchar_t/5.cc: New test.
2020-08-06 19:23:14 +01:00
..
config libstdc++: Replace operator>>(istream&, char*) [LWG 2499] 2020-08-05 22:17:18 +01:00
doc libstdc++: Change URL for PSTL again 2020-08-05 22:46:32 +01:00
include libstdc++: Do not set eofbit eagerly in operator>>(istream&, char(&)[N]) 2020-08-06 19:23:14 +01:00
libsupc++ libstdc++: Regenerate makefiles 2020-06-23 07:59:40 +01:00
po libstdc++: Regenerate makefiles 2020-06-23 07:59:40 +01:00
python libstdc++: Fix and improve std::vector<bool> implementation. 2020-07-31 23:18:51 +02:00
scripts
src libstdc++: Do not set eofbit eagerly in operator>>(istream&, char(&)[N]) 2020-08-06 19:23:14 +01:00
testsuite libstdc++: Do not set eofbit eagerly in operator>>(istream&, char(&)[N]) 2020-08-06 19:23:14 +01:00
acinclude.m4 libstdc++: Add std::from_chars for floating-point types 2020-07-20 23:49:27 +01:00
aclocal.m4
ChangeLog Daily bump. 2020-08-06 00:16:26 +00:00
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config.h.in libstdc++: Add std::from_chars for floating-point types 2020-07-20 23:49:27 +01:00
configure libstdc++: Add std::from_chars for floating-point types 2020-07-20 23:49:27 +01:00
configure.ac libstdc++: Add std::from_chars for floating-point types 2020-07-20 23:49:27 +01:00
configure.host aix: Add GCC64 configuration and FAT target libraries. 2020-06-21 14:14:46 -04:00
crossconfig.m4 libstdc++: Add std::from_chars for floating-point types 2020-07-20 23:49:27 +01:00
fragment.am
linkage.m4
Makefile.am build: Use -include instead of conditional include. 2020-06-22 21:31:48 +00:00
Makefile.in build: Use -include instead of conditional include. 2020-06-22 21:31:48 +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.