diff options
Diffstat (limited to 'libcxx/src/support')
| -rw-r--r-- | libcxx/src/support/win32/support.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libcxx/src/support/win32/support.cpp b/libcxx/src/support/win32/support.cpp index b4f1e22f3c6..4c9a4b3a507 100644 --- a/libcxx/src/support/win32/support.cpp +++ b/libcxx/src/support/win32/support.cpp @@ -61,6 +61,11 @@ size_t mbsnrtowcs( wchar_t *__restrict dst, const char **__restrict src, size_t result = 0; bool have_result = false; + // If dst is null then max_dest_chars should be ignored according to the + // standard. Setting max_dest_chars to a large value has this effect. + if (!dst) + max_dest_chars = static_cast<size_t>(-1); + while ( source_remaining ) { if ( dst && dest_converted >= max_dest_chars ) break; @@ -114,6 +119,11 @@ size_t wcsnrtombs( char *__restrict dst, const wchar_t **__restrict src, bool have_result = false; bool terminator_found = false; + // If dst is null then dst_size_bytes should be ignored according to the + // standard. Setting dest_remaining to a large value has this effect. + if (!dst) + dest_remaining = static_cast<size_t>(-1); + while ( source_converted != max_source_chars ) { if ( ! dest_remaining ) break; |
