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Escape single quotes while translating dropped Win32 paths #18007

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Nov 23, 2024
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Escape single quotes while translating dropped Win32 paths #18007

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12 changes: 12 additions & 0 deletions src/cascadia/TerminalControl/TermControl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,8 @@ namespace winrt::Microsoft::Terminal::Control::implementation
/* Cygwin */ L"/cygdrive/",
/* MSYS2 */ L"/",
};
static constexpr wil::zwstring_view sSingleQuoteEscape = L"'\\''";
static constexpr auto cchSingleQuoteEscape = sSingleQuoteEscape.size();

if (translationStyle == PathTranslationStyle::None)
{
Expand All @@ -75,6 +77,16 @@ namespace winrt::Microsoft::Terminal::Control::implementation
// All of the other path translation modes current result in /-delimited paths
std::replace(fullPath.begin(), fullPath.end(), L'\\', L'/');

// Escape single quotes, assuming translated paths are always quoted by a pair of single quotes.
size_t pos = 0;
while ((pos = fullPath.find(L'\'', pos)) != std::wstring::npos)
{
// ' -> '\'' (for POSIX shell)
fullPath.replace(pos, 1, sSingleQuoteEscape);
// Arithmetic overflow cannot occur here.
pos += cchSingleQuoteEscape;
}

if (fullPath.size() >= 2 && fullPath.at(1) == L':')
{
// C:/foo/bar -> Cc/foo/bar
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