systeminfo.c

   1 #include <windows.h>
   2 #include "systeminfo.h"
   3
   4 static TCHAR msysPath[MAX_PATH];
   5
   6 TCHAR * msys_path(void)
   7 {
   8         static int found_path = 0;
   9         HKEY hKey;
  10         LONG lRet;
  11
  12         /* Only bother to get it once. */
  13         if (found_path)
  14                 return msysPath;
  15
  16         lRet = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
  17                             TEXT(GIT_CHEETAH_REG_PATH),
  18                             0, KEY_QUERY_VALUE, &hKey);
  19
  20         if (lRet == ERROR_SUCCESS)
  21         {
  22                 DWORD msysPathLen = MAX_PATH * sizeof(TCHAR);
  23
  24                 lRet = RegQueryValueEx(hKey,
  25                                        TEXT(GIT_CHEETAH_REG_PATHTOMSYS),
  26                                        NULL, NULL,
  27                                        (LPBYTE)msysPath,
  28                                        &msysPathLen);
  29                 RegCloseKey(hKey);
  30
  31                 if (lRet == ERROR_SUCCESS)
  32                 {
  33                         found_path = 1;
  34                         return msysPath;
  35                 }
  36         }
  37
  38         return NULL;
  39 }