Win查询注册表获取CPU与内存参数

#include "stdafx.h"
void
dump_machine_info(
HANDLE fh
)
{
CHAR Str[MAX_PATH*3];
CHAR MHzStr[64];
CHAR CpuId[MAX_PATH];
CHAR VendorId[MAX_PATH];
TCHAR RegPath[MAX_PATH];
ULONG i;
HKEY hKey;
ULONG MHz;
DWORD t;
ULONG l;
MEMORYSTATUS ms ; for(i=0; i<128; i++) {
wsprintf(RegPath, _T("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\%u"), i);
if(RegOpenKey(HKEY_LOCAL_MACHINE, RegPath, &hKey) != ERROR_SUCCESS) {
break;
}
// MHz
l = sizeof(ULONG);
if(RegQueryValueEx(hKey, _T("~MHz"), NULL, &t, (PUCHAR)&MHz, &l) != ERROR_SUCCESS) {
sprintf(MHzStr, "?");
} else {
sprintf(MHzStr, "%u", MHz);
}
// CPU Type
l = MAX_PATH-1;
if(RegQueryValueEx(hKey,_T( "Identifier"), NULL, &t, (PUCHAR)CpuId, &l) != ERROR_SUCCESS) {
sprintf(CpuId, "Unknown type");
} else {
CpuId[MAX_PATH-1] = 0;
}
// CPU Vendor
l = MAX_PATH-1;
if(RegQueryValueEx(hKey, _T("VendorIdentifier"), NULL, &t, (PUCHAR)VendorId, &l) != ERROR_SUCCESS) {
sprintf(CpuId, "Unknown vendor");
} else {
VendorId[MAX_PATH-1] = 0;
}
l = sprintf(Str, "CPU-%u: %s, %s, %s MHz\n", i, CpuId, VendorId, MHzStr);
// TeeOutput(fh, Str, l);
printf(Str);
RegCloseKey(hKey);
}
ms.dwLength = sizeof (ms) ;
GlobalMemoryStatus (&ms) ;
l = sprintf(Str, "Memory: %u Mb physical, %u Mb virtual\n", (ms.dwTotalPhys)/(1024*1024)+1, (ms.dwTotalVirtual)/(1024*1024)+1);
//TeeOutput(fh, Str, l);
printf(Str);
} // end dump_machine_info() int wmain()
{
dump_machine_info(NULL);
return 0;
}

CPU-0: x, G, 2527 MHz
CPU-1: x, G, 2527 MHz
CPU-2: x, G, 2527 MHz
CPU-3: x, G, 2527 MHz
Memory: 1909 Mb physical, 2048 Mb virtual

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