Renamed system/core to system/kernel.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12360 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/device_manager/settings.cpp

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2004-2005, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <KernelExport.h>
+
+#include <safemode.h>
+#include <kernel.h>
+#include <syscalls.h>
+
+#include <string.h>
+
+
+extern "C" status_t
+get_safemode_option(const char *parameter, char *buffer, size_t *_bufferSize)
+{
+	void *handle = load_driver_settings(B_SAFEMODE_DRIVER_SETTINGS);
+	if (handle == NULL)
+		return B_ENTRY_NOT_FOUND;
+
+	status_t status = B_ENTRY_NOT_FOUND;
+
+	const char *value = get_driver_parameter(handle, parameter, NULL, NULL);
+	if (value != NULL) {
+		*_bufferSize = strlcpy(buffer, value, *_bufferSize);
+		status = B_OK;
+	}
+
+	unload_driver_settings(handle);
+	return status;
+}
+
+
+//	#pragma mark -
+
+
+extern "C" status_t
+_user_get_safemode_option(const char *userParameter, char *userBuffer, size_t *_userBufferSize)
+{
+	char parameter[B_FILE_NAME_LENGTH];
+	char buffer[B_PATH_NAME_LENGTH];
+	size_t bufferSize, originalBufferSize;
+
+	if (!IS_USER_ADDRESS(userParameter) || !IS_USER_ADDRESS(userBuffer)
+		|| !IS_USER_ADDRESS(_userBufferSize)
+		|| user_memcpy(&bufferSize, _userBufferSize, sizeof(size_t)) < B_OK
+		|| user_strlcpy(parameter, userParameter, B_FILE_NAME_LENGTH) < B_OK)
+		return B_BAD_ADDRESS;
+
+	if (bufferSize > B_PATH_NAME_LENGTH)
+		bufferSize = B_PATH_NAME_LENGTH;
+
+	originalBufferSize = bufferSize;
+	status_t status = get_safemode_option(parameter, buffer, &bufferSize);
+
+	if (status == B_OK
+		&& (user_strlcpy(userBuffer, buffer, originalBufferSize) < B_OK
+			|| user_memcpy(_userBufferSize, &bufferSize, sizeof(size_t)) < B_OK))
+		return B_BAD_ADDRESS;
+
+	return status;
+}