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[BASE] Prevent crashing if special characters are in the launch path #2212

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[BASE] Prevent crashing if special characters are in the launch path #2212

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10 changes: 8 additions & 2 deletions src/xenia/base/main_win.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -96,8 +96,14 @@ bool ParseWin32LaunchArguments(
char** argv = reinterpret_cast<char**>(alloca(sizeof(char*) * argc));
for (int n = 0; n < argc; n++) {
size_t len = std::wcstombs(nullptr, wargv[n], 0);
argv[n] = reinterpret_cast<char*>(alloca(sizeof(char) * (len + 1)));
std::wcstombs(argv[n], wargv[n], len + 1);

if (len != -1) {
argv[n] = reinterpret_cast<char*>(alloca(sizeof(char) * (len + 1)));
std::wcstombs(argv[n], wargv[n], len + 1);
} else {
// Prevent cxxopts from indexing out of bounds.
argc--;
}
}

LocalFree(wargv);
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