static int
put_utf16be(unsigned char *buf, size_t buf_len, ICONV_CHAR c)
{
if (c < 0x10000u) {
if (buf_len < 2)
return -E2BIG;
TDS_PUT_A2BE(buf, c);
return 2;
}
if (TDS_UNLIKELY(c >= 0x110000u))
return -EILSEQ;
if (buf_len < 4)
return -E2BIG;
TDS_PUT_A2BE(buf, 0xd7c0 + (c >> 10));
TDS_PUT_A2BE(buf+2, 0xdc00 + (c & 0x3ffu));
return 4;
}
int
tds_append_cancel(TDSSOCKET *tds)
{
unsigned char buf[8];
TDSPACKET *packet;
buf[0] = TDS_CANCEL;
buf[1] = 1;
TDS_PUT_A2BE(buf+2, 8);
TDS_PUT_A4(buf+4, 0);
if (IS_TDS7_PLUS(tds->conn) && !tds->login)
buf[6] = 0x01;
packet = tds_build_packet(tds, buf, 8);
if (!packet)
return TDS_FAIL;
tds_mutex_lock(&tds->conn->list_mtx);
tds_append_packet(&tds->conn->send_packets, packet);
tds_mutex_unlock(&tds->conn->list_mtx);
return TDS_SUCCESS;
}
