static int get_qcd(Jpeg2000DecoderContext *s, int n, Jpeg2000QuantStyle *q, uint8_t *properties) { Jpeg2000QuantStyle tmp; int compno, ret; if ((ret = get_qcx(s, n, &tmp)) < 0) return ret; for (compno = 0; compno < s->ncomponents; compno++) if (!(properties[compno] & HAD_QCC)) memcpy(q + compno, &tmp, sizeof(tmp)); return 0; }