systeminfo.c

   1 #include <windows.h>
   2 #include "systeminfo.h"
   3
   4 static TCHAR msysPath[MAX_PATH];
   5
   6 static int get_msys_path_from_registry(HKEY root)
   7 {
   8         HKEY key;
   9         DWORD path_len = sizeof(msysPath);
  10
  11         LONG result = RegOpenKeyEx(root, GIT_CHEETAH_REG_PATH,
  12                 0, KEY_QUERY_VALUE, &key);
  13         if (ERROR_SUCCESS != result)
  14                 return 0;
  15
  16         result = RegQueryValueEx(key,
  17                 GIT_CHEETAH_REG_PATHTOMSYS,
  18                 NULL, NULL, (LPBYTE)msysPath, &path_len);
  19
  20         RegCloseKey(key);
  21
  22         return ERROR_SUCCESS == result;
  23 }
  24
  25 TCHAR *msys_path(void)
  26 {
  27         static int found_path = 0;
  28
  29         /* try to find user-specific settings first */
  30         if (!found_path)
  31                 found_path = get_msys_path_from_registry(HKEY_CURRENT_USER);
  32
  33         /* if not found in user settings, try machine-wide */
  34         if (!found_path)
  35                 found_path = get_msys_path_from_registry(HKEY_LOCAL_MACHINE);
  36
  37         if (found_path)
  38                 return msysPath;
  39
  40         return NULL;
  41 }