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00002
00003
00004
00005
00006 static int
00007 ucs2be_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
00008 {
00009 if (n >= 2) {
00010 if (s[0] >= 0xd8 && s[0] < 0xe0) {
00011 return RET_ILSEQ;
00012 } else {
00013 *pwc = (s[0] << 8) + s[1];
00014 return 2;
00015 }
00016 }
00017 return RET_TOOFEW(0);
00018 }
00019
00020 static int
00021 ucs2be_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
00022 {
00023 if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
00024 if (n >= 2) {
00025 r[0] = (unsigned char) (wc >> 8);
00026 r[1] = (unsigned char) wc;
00027 return 2;
00028 } else
00029 return RET_TOOSMALL;
00030 }
00031 return RET_ILSEQ;
00032 }