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https://github.com/janbodnar/Windows-API-examples.git
synced 2024-11-13 07:15:31 +00:00
Update cpu_speed.c
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24f2532913
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200f998402
@ -8,23 +8,31 @@ int wmain(void) {
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HKEY key;
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long r = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
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L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", 0, KEY_READ, &key);
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L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", 0, KEY_READ, &key);
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if (r != ERROR_SUCCESS) {
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wprintf(L"RegOpenKeyExW() failed %ld", GetLastError());
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return 1;
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return 1;
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}
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r = RegQueryValueExW(key, L"~MHz", NULL, NULL, (LPBYTE) &mhz, &BufSize);
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if (r != ERROR_SUCCESS) {
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wprintf(L"RegQueryValueExW() failed %ld", GetLastError());
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return 1;
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}
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wprintf(L"CPU speed: %lu MHz\n", mhz);
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r = RegCloseKey(key);
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if (r != ERROR_SUCCESS) {
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wprintf(L"Failed to close registry handle %ld", GetLastError());
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return 1;
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}
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return 0;
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}
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