st->codec->extradata = av_mallocz(ALAC_HEADER + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
- strcpy(st->codec->extradata, "\0\0\0\24alac");
+ memcpy(st->codec->extradata, "\0\0\0\24alac", 8);
avio_read(pb, st->codec->extradata + ALAC_HEADER - ALAC_NEW_KUKI, ALAC_NEW_KUKI);
st->codec->extradata_size = ALAC_HEADER;
} else {