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Add comment about 2 extra bytes in wxConvAuto::ToWChar

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This commit is contained in:
Pavel Tyunin
2020-10-05 15:29:11 +03:00
parent 4832565e10
commit 307a0916fd
1 changed files with 2 additions and 0 deletions
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2
src/common/convauto.cpp
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@@ -313,6 +313,8 @@ wxConvAuto::ToWChar(wchar_t *dst, size_t dstLen,
// to the fall-back conversion in this case as it would prevent us from // to the fall-back conversion in this case as it would prevent us from
// decoding UTF-8 input when fed it byte by byte, as done by // decoding UTF-8 input when fed it byte by byte, as done by
// wxTextInputStream, for example // wxTextInputStream, for example
// 2 extra bytes are needed for inputs that start with 1 or 2 null bytes
// that look like the start of UTF-32BE BOM, but can be in UTF-8 too
if ( srcLen < 2 + m_conv->GetMaxCharLen() && wxIsUTF8Prefix(src, srcLen) ) if ( srcLen < 2 + m_conv->GetMaxCharLen() && wxIsUTF8Prefix(src, srcLen) )
return wxCONV_FAILED; return wxCONV_FAILED;