| /**************************************************************************** |
| * |
| * SciTech OS Portability Manager Library |
| * |
| * ======================================================================== |
| * |
| * The contents of this file are subject to the SciTech MGL Public |
| * License Version 1.0 (the "License"); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at http://www.scitechsoft.com/mgl-license.txt |
| * |
| * Software distributed under the License is distributed on an |
| * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * rights and limitations under the License. |
| * |
| * The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. |
| * |
| * The Initial Developer of the Original Code is SciTech Software, Inc. |
| * All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * Language: ANSI C |
| * Environment: Linux/QNX |
| * |
| * Description: Program to restore the console state state from a previously |
| * saved state if the program crashed while the console |
| * was in graphics mode. |
| * |
| ****************************************************************************/ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include "pmapi.h" |
| |
| void setVideoMode(int mode) |
| { |
| RMREGS r; |
| |
| r.x.ax = mode; |
| PM_int86(0x10, &r, &r); |
| } |
| |
| int main(void) |
| { |
| PM_HWND hwndConsole; |
| ulong stateSize; |
| void *stateBuf; |
| FILE *f; |
| |
| /* Write the saved console state buffer to disk */ |
| if ((f = fopen("/etc/pmsave.dat","rb")) == NULL) { |
| printf("Unable to open /etc/pmsave.dat for reading!\n"); |
| return -1; |
| } |
| fread(&stateSize,1,sizeof(stateSize),f); |
| if (stateSize != PM_getConsoleStateSize()) { |
| printf("Size mismatch in /etc/pmsave.dat!\n"); |
| return -1; |
| } |
| if ((stateBuf = PM_malloc(stateSize)) == NULL) { |
| printf("Unable to allocate console state buffer!\n"); |
| return -1; |
| } |
| fread(stateBuf,1,stateSize,f); |
| fclose(f); |
| |
| /* Open the console */ |
| hwndConsole = PM_openConsole(0,0,0,0,0,true); |
| |
| /* Forcibly set 80x25 text mode using the BIOS */ |
| setVideoMode(0x3); |
| |
| /* Restore the previous console state */ |
| PM_restoreConsoleState(stateBuf,0); |
| PM_closeConsole(hwndConsole); |
| PM_free(stateBuf); |
| printf("Console state successfully restored from /etc/pmsave.dat\n"); |
| return 0; |
| } |