if (!chars)
if (!chars) { *bytesLength = 0;
js_InflateString(JSContext *cx, const char *bytes, size_t length){    jschar *chars;    size_t i;    chars = (jschar *) JS_malloc(cx, (length + 1) * sizeof(jschar));    if (!chars)        return NULL;    INFLATE_STRING_BODY    return chars;}