[Bug libstdc++/31401] string find behaves strange when searching from npos

[paolo at gcc dot gnu dot org]

------- Comment #3 from paolo at gcc dot gnu dot org  2007-03-30 18:11 -------
Subject: Bug 31401

Author: paolo
Date: Fri Mar 30 18:11:22 2007
New Revision: 123362

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123362
Log:
2007-03-30  Paolo Carlini  <pcarlini@suse.de>

        PR libstdc++/31401
        * include/bits/basic_string.tcc (find(const _CharT*, size_type,
        size_type)): Avoid unsigned overflow.
        * testsuite/21_strings/basic_string/find/char/4.cc: New.
        * testsuite/21_strings/basic_string/find/wchar_t/4.cc: Likewise.

Added:
   
branches/gcc-4_2-branch/libstdc++-v3/testsuite/21_strings/basic_string/find/char/4.cc
   
branches/gcc-4_2-branch/libstdc++-v3/testsuite/21_strings/basic_string/find/wchar_t/4.cc
Modified:
    branches/gcc-4_2-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_2-branch/libstdc++-v3/include/bits/basic_string.tcc


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31401