conv.c

知名gba模拟器vgba代码

#include <string.h>
#include <stdio.h>

#define BUFSIZE 16384

int main(int argc,char *argv[])
{
  FILE *InFile,*OutFile;
  char Buffer[BUFSIZE];

  if(argc==1)
  {
    puts("GameBoy Snapshot Converter by Marat Fayzullin  (C)FMS 1995");
    puts("Usage: conv <infile> [<outfile>]");
    return(0);
  }
  if(argc>3)
  { printf("%s: Wrong number of arguments\n",argv[0]);return(0); }

  if(!(InFile=fopen(argv[1],"rb")))
  { printf("%s: Can't open file %s\n",argv[0],argv[1]);return(1); }
  OutFile=(argc==2)? stdout:fopen(argv[2],"wb");
  if(!OutFile&&(argc>2))
  { printf("%s: Can't open file %s\n",argv[0],argv[1]);return(1); }

  if(fread(Buffer,1,512,InFile)!=512)
  { printf("%s: Short input file\n",argv[0]);return(1); }

  while(!feof(InFile))
    fwrite(Buffer,1,fread(Buffer,1,BUFSIZE,InFile),OutFile);
  
  fclose(InFile);fclose(OutFile);return(0);
}