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c5158963a3
The code was trying to check whether the output string was already NULL terminated by RtlUnicodeToMultiByteN before NULL terminating it by checking DataStr[*count - 1] for a NULL terminator. But since RtlUnicodeToMultiByteSize always returns the size without the NULL terminator, DataStr[*count - 1] would always be the last actual character, never an optional NULL terminator. For 0 sized strings this would actually lead to accessing the output buffer at position -1 (on 32 bit) or 0xFFFFFFFF (on 64 bit). Fix this by removing the check. This fixes a crash in advapi32_winetest:registry on x64. |
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| 3rdparty | ||
| apisets | ||
| appcompat | ||
| cpl | ||
| directx | ||
| keyboard | ||
| nls | ||
| np | ||
| ntdll | ||
| opengl | ||
| shellext | ||
| win32 | ||
| CMakeLists.txt | ||