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Fix incorrect error handling of call to mbrtowc. This is PR#13759. Leaving the bug open because (1) I'm not sure that we're correct here, only better than before, and (2) no tests 

llvm-svn: 233012
This commit is contained in:
Marshall Clow 2015-03-23 20:07:17 +00:00
parent 6a7ee6f460
commit c5a996f111
1 changed files with 1 additions and 1 deletions
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2
libcxx/src/locale.cpp
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@ -1657,7 +1657,7 @@ codecvt<wchar_t, char, mbstate_t>::do_in(state_type& st,
frm_nxt = frm; frm_nxt = frm;
return frm_nxt == frm_end ? ok : partial; return frm_nxt == frm_end ? ok : partial;
} }
if (n == 0) if (n == (size_t)-1)
return error; return error;
to_nxt += n; to_nxt += n;
if (to_nxt == to_end) if (to_nxt == to_end)