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

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@233012 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-23 20:07:17 +00:00 · 2015-03-23 20:07:17 +00:00 · 70e13a9ca8
commit 70e13a9ca8
parent b58f517af7
1 changed files with 1 additions and 1 deletions
--- a/src/locale.cpp
+++ b/src/locale.cpp
@ -1657,7 +1657,7 @@ codecvt<wchar_t, char, mbstate_t>::do_in(state_type& st,
            frm_nxt = frm;
            return frm_nxt == frm_end ? ok : partial;
        }
-        if (n == 0)
+        if (n == (size_t)-1)
            return error;
        to_nxt += n;
        if (to_nxt == to_end)