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LibC: Automatically append null terminator in vswprintf

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safarp 2022-03-20 08:52:56 +01:00 • committed by Tim Flynn
parent 96db8d64f6
commit b0b8d14a2c
1 changed files with 4 additions and 0 deletions
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4
Userland/Libraries/LibC/wstdio.cpp
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@ -207,6 +207,10 @@ int vswprintf(wchar_t* __restrict wcs, size_t max_length, wchar_t const* __restr
++length_so_far; ++length_so_far;
}, },
wcs, fmt, args); wcs, fmt, args);
if (length_so_far < max_length)
wcs[length_so_far] = L'\0';
else
wcs[max_length - 1] = L'\0';
return static_cast<int>(length_so_far); return static_cast<int>(length_so_far);
} }