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Run the Settings process un-elevated when possible

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and if not possible run it elevated and let the Settings
process deal with it.
Add wrappers for GetModuleFileNameW.
This commit is contained in:
Enrico Giordani
2019-12-11 16:32:40 +01:00
committed by Enrico Giordani
parent 5a3c852b32
commit fd8fc679be
3 changed files with 146 additions and 84 deletions
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33
src/common/common.cpp
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@@ -266,3 +266,36 @@ std::wstring get_product_version() {
return version;
}
std::wstring get_module_filename(HMODULE mod)
{
wchar_t buffer[MAX_PATH + 1];
DWORD actual_length = GetModuleFileNameW(mod, buffer, MAX_PATH);
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
const DWORD long_path_length = 0xFFFF; // should be always enough
std::wstring long_filename(long_path_length, L'\0');
actual_length = GetModuleFileNameW(mod, long_filename.data(), long_path_length);
return long_filename.substr(0, actual_length);
}
return { buffer, actual_length };
}
std::wstring get_module_folderpath(HMODULE mod)
{
wchar_t buffer[MAX_PATH + 1];
DWORD actual_length = GetModuleFileNameW(mod, buffer, MAX_PATH);
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
const DWORD long_path_length = 0xFFFF; // should be always enough
std::wstring long_filename(long_path_length, L'\0');
actual_length = GetModuleFileNameW(mod, long_filename.data(), long_path_length);
PathRemoveFileSpecW(long_filename.data());
long_filename.resize(std::wcslen(long_filename.data()));
long_filename.shrink_to_fit();
return long_filename;
}
PathRemoveFileSpecW(buffer);
return { buffer, (UINT)lstrlenW(buffer) };
}