diff options
Diffstat (limited to 'nx-X11/lib/X11/lcUniConv/utf8.h')
-rw-r--r-- | nx-X11/lib/X11/lcUniConv/utf8.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/nx-X11/lib/X11/lcUniConv/utf8.h b/nx-X11/lib/X11/lcUniConv/utf8.h deleted file mode 100644 index d00995ca0..000000000 --- a/nx-X11/lib/X11/lcUniConv/utf8.h +++ /dev/null @@ -1,109 +0,0 @@ - -/* - * UTF-8 - */ - -/* Specification: RFC 2279 */ - -static int -utf8_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) -{ - unsigned char c = s[0]; - - if (c < 0x80) { - *pwc = c; - return 1; - } else if (c < 0xc2) { - return RET_ILSEQ; - } else if (c < 0xe0) { - if (n < 2) - return RET_TOOFEW(0); - if (!((s[1] ^ 0x80) < 0x40)) - return RET_ILSEQ; - *pwc = ((ucs4_t) (c & 0x1f) << 6) - | (ucs4_t) (s[1] ^ 0x80); - return 2; - } else if (c < 0xf0) { - if (n < 3) - return RET_TOOFEW(0); - if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (c >= 0xe1 || s[1] >= 0xa0))) - return RET_ILSEQ; - *pwc = ((ucs4_t) (c & 0x0f) << 12) - | ((ucs4_t) (s[1] ^ 0x80) << 6) - | (ucs4_t) (s[2] ^ 0x80); - return 3; - } else if (c < 0xf8) { - if (n < 4) - return RET_TOOFEW(0); - if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (s[3] ^ 0x80) < 0x40 - && (c >= 0xf1 || s[1] >= 0x90))) - return RET_ILSEQ; - *pwc = ((ucs4_t) (c & 0x07) << 18) - | ((ucs4_t) (s[1] ^ 0x80) << 12) - | ((ucs4_t) (s[2] ^ 0x80) << 6) - | (ucs4_t) (s[3] ^ 0x80); - return 4; - } else if (c < 0xfc) { - if (n < 5) - return RET_TOOFEW(0); - if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 - && (c >= 0xf9 || s[1] >= 0x88))) - return RET_ILSEQ; - *pwc = ((ucs4_t) (c & 0x03) << 24) - | ((ucs4_t) (s[1] ^ 0x80) << 18) - | ((ucs4_t) (s[2] ^ 0x80) << 12) - | ((ucs4_t) (s[3] ^ 0x80) << 6) - | (ucs4_t) (s[4] ^ 0x80); - return 5; - } else if (c < 0xfe) { - if (n < 6) - return RET_TOOFEW(0); - if (!((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 - && (s[5] ^ 0x80) < 0x40 - && (c >= 0xfd || s[1] >= 0x84))) - return RET_ILSEQ; - *pwc = ((ucs4_t) (c & 0x01) << 30) - | ((ucs4_t) (s[1] ^ 0x80) << 24) - | ((ucs4_t) (s[2] ^ 0x80) << 18) - | ((ucs4_t) (s[3] ^ 0x80) << 12) - | ((ucs4_t) (s[4] ^ 0x80) << 6) - | (ucs4_t) (s[5] ^ 0x80); - return 6; - } else - return RET_ILSEQ; -} - -static int -utf8_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) /* n == 0 is acceptable */ -{ - int count; - if (wc < 0x80) - count = 1; - else if (wc < 0x800) - count = 2; - else if (wc < 0x10000) - count = 3; - else if (wc < 0x200000) - count = 4; - else if (wc < 0x4000000) - count = 5; - else if (wc <= 0x7fffffff) - count = 6; - else - return RET_ILSEQ; - if (n < count) - return RET_TOOSMALL; - switch (count) { /* note: code falls through cases! */ - case 6: r[5] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x4000000; - case 5: r[4] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x200000; - case 4: r[3] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x10000; - case 3: r[2] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0x800; - case 2: r[1] = 0x80 | (wc & 0x3f); wc = wc >> 6; wc |= 0xc0; - case 1: r[0] = wc; - } - return count; -} |