Function warnOnce

mkbitmap/mkbitmap.js:1096–1103

(text)

  }

  function warnOnce(text) {
      if (!warnOnce.shown) warnOnce.shown = {};
      if (!warnOnce.shown[text]) {
        warnOnce.shown[text] = 1;
        if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
        err(text);
      }
    }

  function setErrNo(value) {
      HEAP32[((___errno_location())>>2)] = value;