/* * VideoPort driver * * Copyright (C) 2007 ReactOS Team * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ #include "videoprt.h" typedef struct _VIDEO_PORT_FUNCTION_TABLE { PVOID Address; PUCHAR Name; } *PVIDEO_PORT_FUNCTION_TABLE, VIDEO_PORT_FUNCTION_TABLE; /* GLOBAL VARIABLES ***********************************************************/ #define VP_EXPORTED_FUNCS 6 UCHAR FN_VideoPortClearEvent[] = "VideoPortClearEvent"; UCHAR FN_VideoPortCreateEvent[] = "VideoPortCreateEvent"; UCHAR FN_VideoPortCreateSecondaryDisplay[] = "VideoPortCreateSecondaryDisplay"; UCHAR FN_VideoPortDeleteEvent[] = "VideoPortDeleteEvent"; UCHAR FN_VideoPortQueueDpc[] = "VideoPortQueueDpc"; UCHAR FN_VideoPortSetEvent[] = "VideoPortSetEvent"; VIDEO_PORT_FUNCTION_TABLE VideoPortExports[] = { {VideoPortClearEvent, FN_VideoPortClearEvent}, {VideoPortCreateEvent, FN_VideoPortCreateEvent}, {VideoPortCreateSecondaryDisplay, FN_VideoPortCreateSecondaryDisplay}, {VideoPortDeleteEvent, FN_VideoPortDeleteEvent}, {VideoPortQueueDpc, FN_VideoPortQueueDpc}, {VideoPortSetEvent, FN_VideoPortSetEvent} }; PVOID NTAPI IntVideoPortGetProcAddress( IN PVOID HwDeviceExtension, IN PUCHAR FunctionName) { ULONG i = 0; TRACE_(VIDEOPRT, "VideoPortGetProcAddress(%s)\n", FunctionName); /* Search by name */ for (i = 0; i < VP_EXPORTED_FUNCS; i++) { if (!_strnicmp((PCHAR)FunctionName, (PCHAR)VideoPortExports[i].Name, strlen((PCHAR)FunctionName))) { return (PVOID)VideoPortExports[i].Address; } } WARN_(VIDEOPRT, "VideoPortGetProcAddress: Can't resolve symbol %s\n", FunctionName); return NULL; }