1/*
2 * UCS-2BE = UCS-2 big endian
3 */
4
5static int
6ucs2be_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
7{
8  if (n >= 2) {
9    if (s[0] >= 0xd8 && s[0] < 0xe0) {
10      return RET_ILSEQ;
11    } else {
12      *pwc = (s[0] << 8) + s[1];
13      return 2;
14    }
15  }
16  return RET_TOOFEW(0);
17}
18
19static int
20ucs2be_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
21{
22  if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
23    if (n >= 2) {
24      r[0] = (unsigned char) (wc >> 8);
25      r[1] = (unsigned char) wc;
26      return 2;
27    } else
28      return RET_TOOSMALL;
29  }
30  return RET_ILSEQ;
31}
32