drivers/video/videoprt/funclist.c

   1 /*
   2  * VideoPort driver
   3  *
   4  * Copyright (C) 2007 ReactOS Team
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22
  23 #include "videoprt.h"
  24
  25 typedef struct _VIDEO_PORT_FUNCTION_TABLE {
  26     PVOID Address;
  27     PUCHAR Name;
  28 } *PVIDEO_PORT_FUNCTION_TABLE, VIDEO_PORT_FUNCTION_TABLE;
  29
  30 /* GLOBAL VARIABLES ***********************************************************/
  31
  32 #define VP_EXPORTED_FUNCS 6
  33
  34 UCHAR FN_VideoPortClearEvent[] = "VideoPortClearEvent";
  35 UCHAR FN_VideoPortCreateEvent[] = "VideoPortCreateEvent";
  36 UCHAR FN_VideoPortCreateSecondaryDisplay[] = "VideoPortCreateSecondaryDisplay";
  37 UCHAR FN_VideoPortDeleteEvent[] = "VideoPortDeleteEvent";
  38 UCHAR FN_VideoPortQueueDpc[] = "VideoPortQueueDpc";
  39 UCHAR FN_VideoPortSetEvent[] = "VideoPortSetEvent";
  40
  41 VIDEO_PORT_FUNCTION_TABLE VideoPortExports[] = {
  42     {VideoPortClearEvent, FN_VideoPortClearEvent},
  43     {VideoPortCreateEvent, FN_VideoPortCreateEvent},
  44     {VideoPortCreateSecondaryDisplay, FN_VideoPortCreateSecondaryDisplay},
  45     {VideoPortDeleteEvent, FN_VideoPortDeleteEvent},
  46     {VideoPortQueueDpc, FN_VideoPortQueueDpc},
  47     {VideoPortSetEvent, FN_VideoPortSetEvent}
  48 };
  49
  50 PVOID NTAPI
  51 IntVideoPortGetProcAddress(
  52    IN PVOID HwDeviceExtension,
  53    IN PUCHAR FunctionName)
  54 {
  55    ULONG i = 0;
  56
  57    TRACE_(VIDEOPRT, "VideoPortGetProcAddress(%s)\n", FunctionName);
  58
  59    /* Search by name */
  60    for (i = 0; i < VP_EXPORTED_FUNCS; i++)
  61    {
  62       if (!_strnicmp((PCHAR)FunctionName, (PCHAR)VideoPortExports[i].Name,
  63                      strlen((PCHAR)FunctionName)))
  64       {
  65          return (PVOID)VideoPortExports[i].Address;
  66       }
  67    }
  68
  69    WARN_(VIDEOPRT, "VideoPortGetProcAddress: Can't resolve symbol %s\n", FunctionName);
  70
  71    return NULL;
  72 }