src/VisVim/Reg.cpp

   1 #include "stdafx.h"
   2
   3 // Returns key for HKEY_CURRENT_USER\"Software"\Company\AppName
   4 // creating it if it doesn't exist
   5 // responsibility of the caller to call RegCloseKey() on the returned HKEY
   6 //
   7 HKEY GetAppKey (char* AppName)
   8 {
   9         HKEY hAppKey = NULL;
  10         HKEY hSoftKey = NULL;
  11         if (RegOpenKeyEx (HKEY_CURRENT_USER, "Software", 0, KEY_WRITE | KEY_READ,
  12                 &hSoftKey) == ERROR_SUCCESS)
  13         {
  14                 DWORD Dummy;
  15                 RegCreateKeyEx (hSoftKey, AppName, 0, REG_NONE,
  16                         REG_OPTION_NON_VOLATILE, KEY_WRITE | KEY_READ, NULL,
  17                         &hAppKey, &Dummy);
  18         }
  19         if (hSoftKey)
  20                 RegCloseKey (hSoftKey);
  21
  22         return hAppKey;
  23 }
  24
  25 // Returns key for
  26 // HKEY_CURRENT_USER\"Software"\RegistryKey\AppName\Section
  27 // creating it if it doesn't exist.
  28 // responsibility of the caller to call RegCloseKey () on the returned HKEY
  29 //
  30 HKEY GetSectionKey (HKEY hAppKey, LPCTSTR Section)
  31 {
  32         HKEY hSectionKey = NULL;
  33         DWORD Dummy;
  34         RegCreateKeyEx (hAppKey, Section, 0, REG_NONE,
  35                 REG_OPTION_NON_VOLATILE, KEY_WRITE|KEY_READ, NULL,
  36                 &hSectionKey, &Dummy);
  37         return hSectionKey;
  38 }
  39
  40 int GetRegistryInt (HKEY hSectionKey, LPCTSTR Entry, int Default)
  41 {
  42         DWORD Value;
  43         DWORD Type;
  44         DWORD Count = sizeof (DWORD);
  45         if (RegQueryValueEx (hSectionKey, (LPTSTR) Entry, NULL, &Type,
  46                              (LPBYTE) &Value, &Count) == ERROR_SUCCESS)
  47                 return Value;
  48         return Default;
  49 }
  50
  51 bool WriteRegistryInt (HKEY hSectionKey, char* Entry, int nValue)
  52 {
  53         return RegSetValueEx (hSectionKey, Entry, NULL, REG_DWORD,
  54                 (LPBYTE) &nValue, sizeof (nValue)) == ERROR_SUCCESS;
  55 }
  56