static int mainInFatalError = 0;

/*
** Print an error message, rollback all databases, and quit.  These
** routines never return.
*/
NORETURN void fossil_panic(const char *zFormat, ...){
  char *z;
  va_list ap;
  int rc = 1;
  char z[1000];
  static int once = 1;

  if( g.db ){
    sqlite3_close_v2(g.db);
    g.db = 0;
  }
  mainInFatalError = 1;
  va_start(ap, zFormat);
  z = vmprintf(zFormat, ap);
  sqlite3_vsnprintf(sizeof(z),z,zFormat, ap);
  va_end(ap);
#ifdef FOSSIL_ENABLE_JSON
  if( g.json.isJsonMode ){
    json_err( 0, z, 1 );
    if( g.isHTTP ){
      rc = 0 /* avoid HTTP 500 */;
    }
  }
  else
#endif
  {
    if( g.cgiOutput && once ){
      once = 0;
      cgi_printf("<p class=\"generalError\">%h</p>", z);
      cgi_reply();
    }else if( !g.fQuiet ){
      fossil_force_newline();
      fossil_trace("Fossil internal error: %s\n", z);
      fossil_puts("Fossil internal error: ", 1);
      fossil_puts(z, 1);
      fossil_puts("\n", 1);
    }
  }
  free(z);
  db_force_rollback();
  fossil_exit(rc);
}

NORETURN void fossil_fatal(const char *zFormat, ...){
  char *z;
  int rc = 1;
  va_list ap;