Windows registry access utility.

4 files changed, 63 insertions, 0 deletions

diff --git a/core/org.eclipse.cdt.core.win32/library/nmake.mak b/core/org.eclipse.cdt.core.win32/library/nmake.mak
new file mode 100644
index 00000000000..a3ce6c74cc8
--- /dev/null
+++ b/core/org.eclipse.cdt.core.win32/library/nmake.mak
@@ -0,0 +1,8 @@
+TARGET = ..\os\win32\x86\winreg.dll
+
+OBJS = winreg.obj
+
+CPPFLAGS = /nologo /I C:\Java\jdk1.5.0_06\include /I C:\Java\jdk1.5.0_06\include\win32 /DUNICODE
+
+$(TARGET):	$(OBJS)
+	link /nologo /dll /out:$(TARGET) $(OBJS) advapi32.lib user32.lib
diff --git a/core/org.eclipse.cdt.core.win32/library/winreg.cpp b/core/org.eclipse.cdt.core.win32/library/winreg.cpp
new file mode 100644
index 00000000000..3f892b95fa7
--- /dev/null
+++ b/core/org.eclipse.cdt.core.win32/library/winreg.cpp
@@ -0,0 +1,53 @@
+#include <windows.h>
+#include <jni.h>
+#include <string.h>
+
+jstring getErrorMsg(JNIEnv * env, wchar_t * name) {
+    wchar_t msg[256];
+    wchar_t * msgBuff;
+    DWORD err = GetLastError();
+
+    FormatMessage(
+        FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+        NULL,
+        err,
+        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+        (LPTSTR) &msgBuff,
+        0, NULL );
+
+    wsprintf(msg, L"%s failed with error %d: %s", name, err, msgBuff);
+
+    LocalFree(msgBuff);
+
+    return env->NewString((jchar *)msg, wcslen(msg));
+}
+
+extern "C"
+JNIEXPORT jstring Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMachineValue(
+	JNIEnv * env, jobject obj, jstring subkey, jstring name)
+{
+	const jchar * csubkey = env->GetStringChars(subkey, NULL);
+	const jchar * cname = env->GetStringChars(name, NULL);
+	jstring result;
+	
+	HKEY key;
+	LONG rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, (const wchar_t *)csubkey, 0, KEY_READ, &key);
+	if (rc != ERROR_SUCCESS) {
+		result = getErrorMsg(env, L"RegOpenKeyEx");
+	} else {
+		DWORD type;
+		wchar_t buffer[256];
+		DWORD len = sizeof(buffer);
+		rc = RegQueryValueEx(key, (const wchar_t *)cname, NULL, &type, (BYTE *)&buffer, &len);
+		if (rc != ERROR_SUCCESS) {
+			result = getErrorMsg(env, L"RegQueryValueEx");
+		} else {
+			result = env->NewString((jchar *)buffer, wcslen(buffer));
+		}
+	}
+
+	env->ReleaseStringChars(subkey, csubkey);
+	env->ReleaseStringChars(name, cname);
+
+	return result;
+}
diff --git a/core/org.eclipse.cdt.core.win32/os/win32/x86/.cvsignore b/core/org.eclipse.cdt.core.win32/os/win32/x86/.cvsignore
new file mode 100644
index 00000000000..d3879971eec
--- /dev/null
+++ b/core/org.eclipse.cdt.core.win32/os/win32/x86/.cvsignore
@@ -0,0 +1,2 @@
+winreg.lib
+winreg.exp
diff --git a/core/org.eclipse.cdt.core.win32/os/win32/x86/winreg.dll b/core/org.eclipse.cdt.core.win32/os/win32/x86/winreg.dll
new file mode 100644
index 00000000000..2c113d73d3f
--- /dev/null
+++ b/core/org.eclipse.cdt.core.win32/os/win32/x86/winreg.dll