Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.
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213
Generals/Code/Tools/Autorun/EZGIMEX.cpp
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213
Generals/Code/Tools/Autorun/EZGIMEX.cpp
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/*
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** Command & Conquer Generals(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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/* Copyright (C) Electronic Arts Canada Inc. 1994-1998. All rights reserved. */
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/*------------------------------------------------------------------*/
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/* */
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/* ANSI Standard File and Memory Interface v1.04 */
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/* */
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/* by FrANK G. Barchard, EAC */
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/* */
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/* Code Module - May 24, 1995 */
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/* */
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/*------------------------------------------------------------------*/
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/* */
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/* Module Notes: */
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/* ------------- */
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/* This modules makes an easy basis for new Gimex low level */
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/* functions. You will need to make the following changes: */
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/* */
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/* function what to change */
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/* -------- -------------- */
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/* galloc/free put in your memory manager */
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/* LIBHANDLE.handle handle for your file system */
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/* gopen/gwopen fopen, fseek, ftell (find file size) */
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/* gclose fclose */
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/* gread fread and possibly memcpy */
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/* gwrite fwrite */
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/* gseek fseek */
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/* */
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/* The other routines should not need changing. */
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/* */
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/*------------------------------------------------------------------*/
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/* And increase stream buffer */
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/*
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setvbuf(f, NULL, _IOFBF, FILE_BUFFER_SIZE);
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*/
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#define __NOINLINE__ 1
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "gimex.h"
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#include "wnd_file.h"
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/* Memory Functions */
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int galloccount=0;
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void * GCALL galloc(long size)
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{
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++galloccount;
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return(malloc((size_t)size));
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}
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int GCALL gfree(void *memptr)
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{
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--galloccount;
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free(memptr);
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return(1);
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}
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/* get motorola memory */
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unsigned long ggetm(void *src, int bytes)
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{
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unsigned char *s = (unsigned char *) src;
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unsigned long value;
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value = 0L;
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while (bytes--)
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{
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value = (value<<8) + ((*s++));
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}
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return(value);
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}
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/* get intel memory */
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unsigned long ggeti(void *src, int bytes)
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{
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unsigned char *s = (unsigned char *) src;
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int i = 0;
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unsigned long value;
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value = 0L;
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while (bytes--)
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{
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value += ((*s++)) << (i);
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i += 8;
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}
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return(value);
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}
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/* put motorolla memory */
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void gputm(void *dst, unsigned long data, int bytes)
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{
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unsigned char *d = (unsigned char *) dst;
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unsigned long pval;
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data <<= (4-bytes)*8;
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while (bytes)
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{
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pval = data >> 24;
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*d++ = (unsigned char) pval;
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data <<= 8;
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--bytes;
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}
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}
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/* put intel memory */
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void gputi(void *dst, unsigned long data, int bytes)
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{
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unsigned char *d = (unsigned char *) dst;
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unsigned long pval;
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while (bytes)
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{
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pval = data;
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*d++ = (unsigned char) pval;
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data >>= 8;
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--bytes;
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}
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}
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/* File Functions */
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GSTREAM * GCALL gopen(const char *filename)
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{
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FILE *handle;
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Msg( __LINE__, __FILE__, "gopen:: %s.", filename );
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handle = fopen( filename, "r+b" );
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Msg( __LINE__, __FILE__, "gopen:: handle = %d", (( handle != NULL )? 1 : 0 ));
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if ( !handle ) {
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handle = fopen( filename, "rb" );
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Msg( __LINE__, __FILE__, "gopen:: handle = %d", (( handle != NULL )? 1 : 0 ));
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}
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return((GSTREAM *) handle);
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}
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GSTREAM * GCALL gwopen(const char *filename)
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{
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FILE *handle;
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handle = fopen(filename,"w+b");
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if (!handle)
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handle = fopen(filename,"wb");
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return((GSTREAM *) handle);
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}
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int GCALL gclose(GSTREAM *g)
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{
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int ok=1;
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if (g)
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ok = !fclose((FILE*) g);
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return(ok);
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}
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int GCALL gread(GSTREAM *g, void *buf, long size)
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{
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return(fread(buf, (size_t) 1, (size_t) size, (FILE *) g));
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}
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int GCALL gwrite(GSTREAM *g, void *buf, long size)
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{
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return(fwrite(buf, (size_t)1, (size_t)size, (FILE *) g));
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}
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int GCALL gseek(GSTREAM *g, long offset)
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{
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return(!fseek((FILE *) g, offset, SEEK_SET));
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}
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long GCALL glen(GSTREAM *g)
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{
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long len;
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long oldpos = gtell(g);
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fseek((FILE *)g, 0, SEEK_END);
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len = gtell(g);
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fseek((FILE *)g, oldpos, SEEK_SET);
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return(len);
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}
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long GCALL gtell(GSTREAM *g)
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{
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return(ftell((FILE *) g));
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}
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