Short source code that causes the bug to occur

mkopcode.c (text/plain), 1.04 KB, created by Jacob on 2005-12-06 21:03:09 UTC

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

int main(int argc, char *argv[])
{
  char name[256];
  unsigned int opcode;
  char defname[256];
  int i;
  FILE *f;
  FILE *md5;

  if(argc != 2) {
    fprintf(stderr, "Must specify filename\n");
    exit(1);
  }

  if(!(f = fopen(argv[1], "r"))) {
    fprintf(stderr, "Could not open %s\n", argv[1]);
    exit(1);
  }

  //get the checksum for the protocol version, write it out.
  //We can use name for a temporary string here, since it's not being used
  //yet.
  sprintf(name, "md5sum %s", argv[1]);
  if(md5 = popen(name, "r")) {
    fscanf(md5, "%s", name);
    printf("#define PBCS_SUM \"%s\"\n", name);
    pclose(md5);
  }
  else {
    fprintf(stderr, "Could not calculate MD5 Checksum");
    exit(1);
  }

  while(!feof(f) && fscanf(f, "%s 0x%x\n", name, &opcode)) {
    strcpy(defname, name);
    
    for(i = 0; i < strlen(defname); i++) {
      defname[i] = toupper(defname[i]);
      if(defname[i] == '.')
	defname[i] = '_';
    }

    printf("#define %s 0x%04X\n", defname, opcode);
  } 
  
  return 0;
};