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 Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 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  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; see the file COPYING.LIB.
  18  * If not, write to the Free Software Foundation,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  *
  21  */
  22
  23
  24 #include "videoprt.h"
  25
  26 typedef struct _VIDEO_PORT_FUNCTION_TABLE {
  27     PVOID Address;
  28     PUCHAR Name;
  29 } *PVIDEO_PORT_FUNCTION_TABLE, VIDEO_PORT_FUNCTION_TABLE;
  30
  31 /* GLOBAL VARIABLES ***********************************************************/
  32
  33 #define VP_EXPORTED_FUNCS 6
  34
  35 UCHAR FN_VideoPortClearEvent[] = "VideoPortClearEvent";
  36 UCHAR FN_VideoPortCreateEvent[] = "VideoPortCreateEvent";
  37 UCHAR FN_VideoPortCreateSecondaryDisplay[] = "VideoPortCreateSecondaryDisplay";
  38 UCHAR FN_VideoPortDeleteEvent[] = "VideoPortDeleteEvent";
  39 UCHAR FN_VideoPortQueueDpc[] = "VideoPortQueueDpc";
  40 UCHAR FN_VideoPortSetEvent[] = "VideoPortSetEvent";
  41
  42 VIDEO_PORT_FUNCTION_TABLE VideoPortExports[] = {
  43     {VideoPortClearEvent, FN_VideoPortClearEvent},
  44     {VideoPortCreateEvent, FN_VideoPortCreateEvent},
  45     {VideoPortCreateSecondaryDisplay, FN_VideoPortCreateSecondaryDisplay},
  46     {VideoPortDeleteEvent, FN_VideoPortDeleteEvent},
  47     {VideoPortQueueDpc, FN_VideoPortQueueDpc},
  48     {VideoPortSetEvent, FN_VideoPortSetEvent}
  49 };
  50
  51 PVOID NTAPI
  52 IntVideoPortGetProcAddress(
  53    IN PVOID HwDeviceExtension,
  54    IN PUCHAR FunctionName)
  55 {
  56    ULONG i = 0;
  57
  58    TRACE_(VIDEOPRT, "VideoPortGetProcAddress(%s)\n", FunctionName);
  59
  60    /* Search by name */
  61    for (i = 0; i < VP_EXPORTED_FUNCS; i++)
  62    {
  63       if (!_strnicmp((PCHAR)FunctionName, (PCHAR)VideoPortExports[i].Name,
  64                      strlen((PCHAR)FunctionName)))
  65       {
  66          return (PVOID)VideoPortExports[i].Address;
  67       }
  68    }
  69
  70    WARN_(VIDEOPRT, "VideoPortGetProcAddress: Can't resolve symbol %s\n", FunctionName);
  71
  72    return NULL;
  73 }