From 70c205435a839d0378035071777e8c8384008337 Mon Sep 17 00:00:00 2001
From: Iain Patterson <me@iain.cx>
Date: Fri, 22 Jul 2016 15:47:11 +0100
Subject: [PATCH] Added enumerate_registry_values().

New function to retrieve values under a key.
---
 registry.cpp | 8 ++++++++
 registry.h   | 1 +
 2 files changed, 9 insertions(+)

diff --git a/registry.cpp b/registry.cpp
index 7c93a3d..48783f1 100644
--- a/registry.cpp
+++ b/registry.cpp
@@ -67,6 +67,14 @@ int create_messages() {
   return 0;
 }
 
+long enumerate_registry_values(HKEY key, unsigned long *index, TCHAR *name, unsigned long namelen) {
+  unsigned long type;
+  unsigned long datalen = namelen;
+  long error = RegEnumValue(key, *index, name, &datalen, 0, &type, 0, 0);
+  if (error == ERROR_SUCCESS) ++*index;
+  return error;
+}
+
 int create_parameters(nssm_service_t *service, bool editing) {
   /* Try to open the registry */
   HKEY key = open_registry(service->name, KEY_WRITE);
diff --git a/registry.h b/registry.h
index d8018ac..11c4e69 100644
--- a/registry.h
+++ b/registry.h
@@ -43,6 +43,7 @@ long open_registry(const TCHAR *, const TCHAR *, REGSAM sam, HKEY *, bool);
 HKEY open_registry(const TCHAR *, const TCHAR *, REGSAM sam, bool);
 HKEY open_registry(const TCHAR *, const TCHAR *, REGSAM sam);
 HKEY open_registry(const TCHAR *, REGSAM sam);
+long enumerate_registry_values(HKEY, unsigned long *, TCHAR *, unsigned long);
 int create_messages();
 int create_parameters(nssm_service_t *, bool);
 int create_exit_action(TCHAR *, const TCHAR *, bool);
-- 
2.7.4