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Fix off-by-one error.
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@ -63,7 +63,7 @@ static wchar_t * get_env(wchar_t * key)
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static wchar_t buf[256];
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DWORD result = GetEnvironmentVariableW(key, buf, 256);
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if (result > 256) {
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if (result > 255) {
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/* Large environment variable. Accept some leakage */
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wchar_t *buf2 = (wchar_t*)malloc(sizeof(wchar_t) * (result+1));
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GetEnvironmentVariableW(key, buf2, result);
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