[Bug libstdc++/21209] signed integer overflow in num_get<>::_M_extract_int

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-04-26 09:31 -------
Subject: Bug 21209

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	paolo@gcc.gnu.org	2005-04-26 09:31:07

Modified files:
	libstdc++-v3   : ChangeLog 
	libstdc++-v3/include/bits: locale_facets.tcc 
Added files:
	libstdc++-v3/testsuite/22_locale/num_get/get/char: 16.cc 
	libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t: 16.cc 

Log message:
	2005-04-26  Paolo Carlini  <pcarlini@suse.de>
	
	PR libstdc++/21209
	* include/bits/locale_facets.tcc (_M_extract_int): Avoid signed
	integer overflow, always use a suited unsigned type in the main
	parsing loop.
	(struct __to_unsigned_type): New.
	* testsuite/22_locale/num_get/get/char/16.cc: New.
	* testsuite/22_locale/num_get/get/wchar_t/16.cc: Likewise.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/ChangeLog.diff?cvsroot=gcc&r1=1.2978&r2=1.2979
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/include/bits/locale_facets.tcc.diff?cvsroot=gcc&r1=1.213&r2=1.214
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/22_locale/num_get/get/char/16.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/16.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21209