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re PR libstdc++/7961 (compare( char *) implemented incorrectly.)

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2002-11-01  John Carter  <john.carter@tait.co.nz>

	PR libstdc++/7961
	* include/bits/basic_string.tcc
	(compare(const _CharT* __s)): Don't access __s past its length.

From-SVN: r58717
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John Carter 2002-11-01 15:21:17 +00:00 committed by Paolo Carlini
parent d5db54a12c
commit c86c54e6d1
2 changed files with 10 additions and 2 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2002-11-01 John Carter <john.carter@tait.co.nz>
PR libstdc++/7961
* include/bits/basic_string.tcc
(compare(const _CharT* __s)): Don't access __s past its length.
2002-10-31 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/8348

6
libstdc++-v3/include/bits/basic_string.tcc
View File

@ -884,9 +884,11 @@ namespace std
compare(const _CharT* __s) const
{
size_type __size = this->size();
int __r = traits_type::compare(_M_data(), __s, __size);
size_type __osize = traits_type::length(__s);
size_type __len = min(__size, __osize);
int __r = traits_type::compare(_M_data(), __s, __len);
if (!__r)
__r = __size - traits_type::length(__s);
__r = __size - __osize;
return __r;
}