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static int
utf32le_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
{
if (n >= 4) {
ucs4_t wc = s[0] + (s[1] << 8) + (s[2] << 16) + (s[3] << 24);
if (wc < 0x110000 && !(wc >= 0xd800 && wc < 0xe000)) {
*pwc = wc;
return 4;
} else
return RET_ILSEQ;
}
return RET_TOOFEW(0);
}
static int
utf32le_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
{
if (wc < 0x110000 && !(wc >= 0xd800 && wc < 0xe000)) {
if (n >= 4) {
r[0] = (unsigned char) wc;
r[1] = (unsigned char) (wc >> 8);
r[2] = (unsigned char) (wc >> 16);
r[3] = 0;
return 4;
} else
return RET_TOOSMALL;
}
return RET_ILUNI;
}
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