Function ZipWriter_FixupLocalFile

src/Resources.c:177–209

}

static cc_result ZipWriter_FixupLocalFile(struct Stream* s, struct ResourceZipEntry* e) {
	int filenameLen = String_Length(e->filename);
	cc_uint8 tmp[2048];
	cc_uint32 dataBeg, dataEnd;
	cc_uint32 i, crc, toRead, read;
	cc_result res;

	dataBeg = e->offset + 30 + filenameLen;
	if ((res = s->Position(s, &dataEnd))) return res;
	e->size = dataEnd - dataBeg;

	/* work out the CRC 32 */
	crc = 0xffffffffUL;
	if ((res = s->Seek(s, dataBeg))) return res;

	for (; dataBeg < dataEnd; dataBeg += read) {
		toRead = dataEnd - dataBeg;
		toRead = min(toRead, sizeof(tmp));

		if ((res = s->Read(s, tmp, toRead, &read))) return res;
		if (!read) return ERR_END_OF_STREAM;

		for (i = 0; i < read; i++) {
			crc = Utils_Crc32Table[(crc ^ tmp[i]) & 0xFF] ^ (crc >> 8);
		}
	}
	e->crc32 = crc ^ 0xffffffffUL;

	/* then fixup the header */
	if ((res = s->Seek(s, e->offset)))     return res;
	if ((res = ZipWriter_LocalFile(s, e))) return res;
	return s->Seek(s, dataEnd);
}

static cc_result ZipWriter_WriteData(struct Stream* dst, struct ResourceZipEntry* e) {
	cc_uint8* data = e->value.data;