72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
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/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <process.h>
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#include <errno.h>
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#include <string.h>
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char *dos4g_path()
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{
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static char *paths_to_check[] = {
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"DOS4GPATH",
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"PATH"
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};
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static char fullpath[80];
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char *dos4gpath;
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int i;
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/* If DOS4GPATH points to an executable file name, don't bother
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searching any paths for DOS4GW.EXE.
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*/
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if (dos4gpath = getenv("DOS4GPATH")) {
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strlwr(strcpy(fullpath, dos4gpath));
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if (strstr(fullpath, ".exe")) {
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return(fullpath);
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}
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}
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for( i = 0; i < sizeof(paths_to_check) / sizeof(paths_to_check[0]); i++ ) {
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_searchenv("dos4gw.exe", paths_to_check[i], fullpath);
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if (fullpath[0]) {
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return( &fullpath );
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}
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}
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return("dos4gw.exe");
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}
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main( int argc, char *argv[] )
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{
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char *av[4];
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auto char cmdline[128];
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av[0] = dos4g_path(); /* Locate the DOS/4GW loader */
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av[1] = argv[0]; /* name of executable to run */
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av[2] = getcmd(cmdline); /* command line */
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av[3] = NULL; /* end of list */
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#ifdef VMM
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putenv("DOS4GVM=MINMEM#2000 MAXMEM#16000 SWAPMIN#4096 SWAPINC#1024 VIRTUALSIZE#10000 SWAPFILE#CONQUER.SWP DELETESWAP @CONQUER.VMC");
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#endif
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#ifdef QUIET
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putenv("DOS4G=QUIET"); /* disables DOS/4GW Copyright banner */
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#endif
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execvp(av[0], av);
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perror(av[0]);
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exit(1); /* indicate error */
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}
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