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-rw-r--r--src/lib9/utf/rune.c177
-rw-r--r--src/lib9/utf/runetype.c1151
-rw-r--r--src/lib9/utf/utfdef.h47
-rw-r--r--src/lib9/utf/utfecpy.c37
-rw-r--r--src/lib9/utf/utflen.c37
-rw-r--r--src/lib9/utf/utfnlen.c41
-rw-r--r--src/lib9/utf/utfrrune.c45
-rw-r--r--src/lib9/utf/utfrune.c44
-rw-r--r--src/lib9/utf/utfutf.c41
9 files changed, 1620 insertions, 0 deletions
diff --git a/src/lib9/utf/rune.c b/src/lib9/utf/rune.c
new file mode 100644
index 000000000..3d6831b02
--- /dev/null
+++ b/src/lib9/utf/rune.c
@@ -0,0 +1,177 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+enum
+{
+ Bit1 = 7,
+ Bitx = 6,
+ Bit2 = 5,
+ Bit3 = 4,
+ Bit4 = 3,
+
+ T1 = ((1<<(Bit1+1))-1) ^ 0xFF, /* 0000 0000 */
+ Tx = ((1<<(Bitx+1))-1) ^ 0xFF, /* 1000 0000 */
+ T2 = ((1<<(Bit2+1))-1) ^ 0xFF, /* 1100 0000 */
+ T3 = ((1<<(Bit3+1))-1) ^ 0xFF, /* 1110 0000 */
+ T4 = ((1<<(Bit4+1))-1) ^ 0xFF, /* 1111 0000 */
+
+ Rune1 = (1<<(Bit1+0*Bitx))-1, /* 0000 0000 0111 1111 */
+ Rune2 = (1<<(Bit2+1*Bitx))-1, /* 0000 0111 1111 1111 */
+ Rune3 = (1<<(Bit3+2*Bitx))-1, /* 1111 1111 1111 1111 */
+
+ Maskx = (1<<Bitx)-1, /* 0011 1111 */
+ Testx = Maskx ^ 0xFF, /* 1100 0000 */
+
+ Bad = Runeerror
+};
+
+int
+chartorune(Rune *rune, char *str)
+{
+ int c, c1, c2;
+ long l;
+
+ /*
+ * one character sequence
+ * 00000-0007F => T1
+ */
+ c = *(uchar*)str;
+ if(c < Tx) {
+ *rune = c;
+ return 1;
+ }
+
+ /*
+ * two character sequence
+ * 0080-07FF => T2 Tx
+ */
+ c1 = *(uchar*)(str+1) ^ Tx;
+ if(c1 & Testx)
+ goto bad;
+ if(c < T3) {
+ if(c < T2)
+ goto bad;
+ l = ((c << Bitx) | c1) & Rune2;
+ if(l <= Rune1)
+ goto bad;
+ *rune = l;
+ return 2;
+ }
+
+ /*
+ * three character sequence
+ * 0800-FFFF => T3 Tx Tx
+ */
+ c2 = *(uchar*)(str+2) ^ Tx;
+ if(c2 & Testx)
+ goto bad;
+ if(c < T4) {
+ l = ((((c << Bitx) | c1) << Bitx) | c2) & Rune3;
+ if(l <= Rune2)
+ goto bad;
+ *rune = l;
+ return 3;
+ }
+
+ /*
+ * bad decoding
+ */
+bad:
+ *rune = Bad;
+ return 1;
+}
+
+int
+runetochar(char *str, Rune *rune)
+{
+ long c;
+
+ /*
+ * one character sequence
+ * 00000-0007F => 00-7F
+ */
+ c = *rune;
+ if(c <= Rune1) {
+ str[0] = c;
+ return 1;
+ }
+
+ /*
+ * two character sequence
+ * 0080-07FF => T2 Tx
+ */
+ if(c <= Rune2) {
+ str[0] = T2 | (c >> 1*Bitx);
+ str[1] = Tx | (c & Maskx);
+ return 2;
+ }
+
+ /*
+ * three character sequence
+ * 0800-FFFF => T3 Tx Tx
+ */
+ str[0] = T3 | (c >> 2*Bitx);
+ str[1] = Tx | ((c >> 1*Bitx) & Maskx);
+ str[2] = Tx | (c & Maskx);
+ return 3;
+}
+
+int
+runelen(long c)
+{
+ Rune rune;
+ char str[10];
+
+ rune = c;
+ return runetochar(str, &rune);
+}
+
+int
+runenlen(Rune *r, int nrune)
+{
+ int nb, c;
+
+ nb = 0;
+ while(nrune--) {
+ c = *r++;
+ if(c <= Rune1)
+ nb++;
+ else
+ if(c <= Rune2)
+ nb += 2;
+ else
+ nb += 3;
+ }
+ return nb;
+}
+
+int
+fullrune(char *str, int n)
+{
+ int c;
+
+ if(n > 0) {
+ c = *(uchar*)str;
+ if(c < Tx)
+ return 1;
+ if(n > 1)
+ if(c < T3 || n > 2)
+ return 1;
+ }
+ return 0;
+}
diff --git a/src/lib9/utf/runetype.c b/src/lib9/utf/runetype.c
new file mode 100644
index 000000000..ac6d7b576
--- /dev/null
+++ b/src/lib9/utf/runetype.c
@@ -0,0 +1,1151 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+/*
+ * alpha ranges -
+ * only covers ranges not in lower||upper
+ */
+static
+Rune __alpha2[] =
+{
+ 0x00d8, 0x00f6, /* Ø - ö */
+ 0x00f8, 0x01f5, /* ø - ǵ */
+ 0x0250, 0x02a8, /* ɐ - ʨ */
+ 0x038e, 0x03a1, /* Ύ - Ρ */
+ 0x03a3, 0x03ce, /* Σ - ώ */
+ 0x03d0, 0x03d6, /* ϐ - ϖ */
+ 0x03e2, 0x03f3, /* Ϣ - ϳ */
+ 0x0490, 0x04c4, /* Ґ - ӄ */
+ 0x0561, 0x0587, /* ա - և */
+ 0x05d0, 0x05ea, /* א - ת */
+ 0x05f0, 0x05f2, /* װ - ײ */
+ 0x0621, 0x063a, /* ء - غ */
+ 0x0640, 0x064a, /* ـ - ي */
+ 0x0671, 0x06b7, /* ٱ - ڷ */
+ 0x06ba, 0x06be, /* ں - ھ */
+ 0x06c0, 0x06ce, /* ۀ - ێ */
+ 0x06d0, 0x06d3, /* ې - ۓ */
+ 0x0905, 0x0939, /* अ - ह */
+ 0x0958, 0x0961, /* क़ - ॡ */
+ 0x0985, 0x098c, /* অ - ঌ */
+ 0x098f, 0x0990, /* এ - ঐ */
+ 0x0993, 0x09a8, /* ও - ন */
+ 0x09aa, 0x09b0, /* প - র */
+ 0x09b6, 0x09b9, /* শ - হ */
+ 0x09dc, 0x09dd, /* ড় - ঢ় */
+ 0x09df, 0x09e1, /* য় - ৡ */
+ 0x09f0, 0x09f1, /* ৰ - ৱ */
+ 0x0a05, 0x0a0a, /* ਅ - ਊ */
+ 0x0a0f, 0x0a10, /* ਏ - ਐ */
+ 0x0a13, 0x0a28, /* ਓ - ਨ */
+ 0x0a2a, 0x0a30, /* ਪ - ਰ */
+ 0x0a32, 0x0a33, /* ਲ - ਲ਼ */
+ 0x0a35, 0x0a36, /* ਵ - ਸ਼ */
+ 0x0a38, 0x0a39, /* ਸ - ਹ */
+ 0x0a59, 0x0a5c, /* ਖ਼ - ੜ */
+ 0x0a85, 0x0a8b, /* અ - ઋ */
+ 0x0a8f, 0x0a91, /* એ - ઑ */
+ 0x0a93, 0x0aa8, /* ઓ - ન */
+ 0x0aaa, 0x0ab0, /* પ - ર */
+ 0x0ab2, 0x0ab3, /* લ - ળ */
+ 0x0ab5, 0x0ab9, /* વ - હ */
+ 0x0b05, 0x0b0c, /* ଅ - ଌ */
+ 0x0b0f, 0x0b10, /* ଏ - ଐ */
+ 0x0b13, 0x0b28, /* ଓ - ନ */
+ 0x0b2a, 0x0b30, /* ପ - ର */
+ 0x0b32, 0x0b33, /* ଲ - ଳ */
+ 0x0b36, 0x0b39, /* ଶ - ହ */
+ 0x0b5c, 0x0b5d, /* ଡ଼ - ଢ଼ */
+ 0x0b5f, 0x0b61, /* ୟ - ୡ */
+ 0x0b85, 0x0b8a, /* அ - ஊ */
+ 0x0b8e, 0x0b90, /* எ - ஐ */
+ 0x0b92, 0x0b95, /* ஒ - க */
+ 0x0b99, 0x0b9a, /* ங - ச */
+ 0x0b9e, 0x0b9f, /* ஞ - ட */
+ 0x0ba3, 0x0ba4, /* ண - த */
+ 0x0ba8, 0x0baa, /* ந - ப */
+ 0x0bae, 0x0bb5, /* ம - வ */
+ 0x0bb7, 0x0bb9, /* ஷ - ஹ */
+ 0x0c05, 0x0c0c, /* అ - ఌ */
+ 0x0c0e, 0x0c10, /* ఎ - ఐ */
+ 0x0c12, 0x0c28, /* ఒ - న */
+ 0x0c2a, 0x0c33, /* ప - ళ */
+ 0x0c35, 0x0c39, /* వ - హ */
+ 0x0c60, 0x0c61, /* ౠ - ౡ */
+ 0x0c85, 0x0c8c, /* ಅ - ಌ */
+ 0x0c8e, 0x0c90, /* ಎ - ಐ */
+ 0x0c92, 0x0ca8, /* ಒ - ನ */
+ 0x0caa, 0x0cb3, /* ಪ - ಳ */
+ 0x0cb5, 0x0cb9, /* ವ - ಹ */
+ 0x0ce0, 0x0ce1, /* ೠ - ೡ */
+ 0x0d05, 0x0d0c, /* അ - ഌ */
+ 0x0d0e, 0x0d10, /* എ - ഐ */
+ 0x0d12, 0x0d28, /* ഒ - ന */
+ 0x0d2a, 0x0d39, /* പ - ഹ */
+ 0x0d60, 0x0d61, /* ൠ - ൡ */
+ 0x0e01, 0x0e30, /* ก - ะ */
+ 0x0e32, 0x0e33, /* า - ำ */
+ 0x0e40, 0x0e46, /* เ - ๆ */
+ 0x0e5a, 0x0e5b, /* ๚ - ๛ */
+ 0x0e81, 0x0e82, /* ກ - ຂ */
+ 0x0e87, 0x0e88, /* ງ - ຈ */
+ 0x0e94, 0x0e97, /* ດ - ທ */
+ 0x0e99, 0x0e9f, /* ນ - ຟ */
+ 0x0ea1, 0x0ea3, /* ມ - ຣ */
+ 0x0eaa, 0x0eab, /* ສ - ຫ */
+ 0x0ead, 0x0eae, /* ອ - ຮ */
+ 0x0eb2, 0x0eb3, /* າ - ຳ */
+ 0x0ec0, 0x0ec4, /* ເ - ໄ */
+ 0x0edc, 0x0edd, /* ໜ - ໝ */
+ 0x0f18, 0x0f19, /* ༘ - ༙ */
+ 0x0f40, 0x0f47, /* ཀ - ཇ */
+ 0x0f49, 0x0f69, /* ཉ - ཀྵ */
+ 0x10d0, 0x10f6, /* ა - ჶ */
+ 0x1100, 0x1159, /* ᄀ - ᅙ */
+ 0x115f, 0x11a2, /* ᅟ - ᆢ */
+ 0x11a8, 0x11f9, /* ᆨ - ᇹ */
+ 0x1e00, 0x1e9b, /* Ḁ - ẛ */
+ 0x1f50, 0x1f57, /* ὐ - ὗ */
+ 0x1f80, 0x1fb4, /* ᾀ - ᾴ */
+ 0x1fb6, 0x1fbc, /* ᾶ - ᾼ */
+ 0x1fc2, 0x1fc4, /* ῂ - ῄ */
+ 0x1fc6, 0x1fcc, /* ῆ - ῌ */
+ 0x1fd0, 0x1fd3, /* ῐ - ΐ */
+ 0x1fd6, 0x1fdb, /* ῖ - Ί */
+ 0x1fe0, 0x1fec, /* ῠ - Ῥ */
+ 0x1ff2, 0x1ff4, /* ῲ - ῴ */
+ 0x1ff6, 0x1ffc, /* ῶ - ῼ */
+ 0x210a, 0x2113, /* ℊ - ℓ */
+ 0x2115, 0x211d, /* ℕ - ℝ */
+ 0x2120, 0x2122, /* ℠ - ™ */
+ 0x212a, 0x2131, /* K - ℱ */
+ 0x2133, 0x2138, /* ℳ - ℸ */
+ 0x3041, 0x3094, /* ぁ - ゔ */
+ 0x30a1, 0x30fa, /* ァ - ヺ */
+ 0x3105, 0x312c, /* ㄅ - ㄬ */
+ 0x3131, 0x318e, /* ㄱ - ㆎ */
+ 0x3192, 0x319f, /* ㆒ - ㆟ */
+ 0x3260, 0x327b, /* ㉠ - ㉻ */
+ 0x328a, 0x32b0, /* ㊊ - ㊰ */
+ 0x32d0, 0x32fe, /* ㋐ - ㋾ */
+ 0x3300, 0x3357, /* ㌀ - ㍗ */
+ 0x3371, 0x3376, /* ㍱ - ㍶ */
+ 0x337b, 0x3394, /* ㍻ - ㎔ */
+ 0x3399, 0x339e, /* ㎙ - ㎞ */
+ 0x33a9, 0x33ad, /* ㎩ - ㎭ */
+ 0x33b0, 0x33c1, /* ㎰ - ㏁ */
+ 0x33c3, 0x33c5, /* ㏃ - ㏅ */
+ 0x33c7, 0x33d7, /* ㏇ - ㏗ */
+ 0x33d9, 0x33dd, /* ㏙ - ㏝ */
+ 0x4e00, 0x9fff, /* 一 - 鿿 */
+ 0xac00, 0xd7a3, /* 가 - 힣 */
+ 0xf900, 0xfb06, /* 豈 - st */
+ 0xfb13, 0xfb17, /* ﬓ - ﬗ */
+ 0xfb1f, 0xfb28, /* ײַ - ﬨ */
+ 0xfb2a, 0xfb36, /* שׁ - זּ */
+ 0xfb38, 0xfb3c, /* טּ - לּ */
+ 0xfb40, 0xfb41, /* נּ - סּ */
+ 0xfb43, 0xfb44, /* ףּ - פּ */
+ 0xfb46, 0xfbb1, /* צּ - ﮱ */
+ 0xfbd3, 0xfd3d, /* ﯓ - ﴽ */
+ 0xfd50, 0xfd8f, /* ﵐ - ﶏ */
+ 0xfd92, 0xfdc7, /* ﶒ - ﷇ */
+ 0xfdf0, 0xfdf9, /* ﷰ - ﷹ */
+ 0xfe70, 0xfe72, /* ﹰ - ﹲ */
+ 0xfe76, 0xfefc, /* ﹶ - ﻼ */
+ 0xff66, 0xff6f, /* ヲ - ッ */
+ 0xff71, 0xff9d, /* ア - ン */
+ 0xffa0, 0xffbe, /* ᅠ - ᄒ */
+ 0xffc2, 0xffc7, /* ᅡ - ᅦ */
+ 0xffca, 0xffcf, /* ᅧ - ᅬ */
+ 0xffd2, 0xffd7, /* ᅭ - ᅲ */
+ 0xffda, 0xffdc, /* ᅳ - ᅵ */
+};
+
+/*
+ * alpha singlets -
+ * only covers ranges not in lower||upper
+ */
+static
+Rune __alpha1[] =
+{
+ 0x00aa, /* ª */
+ 0x00b5, /* µ */
+ 0x00ba, /* º */
+ 0x03da, /* Ϛ */
+ 0x03dc, /* Ϝ */
+ 0x03de, /* Ϟ */
+ 0x03e0, /* Ϡ */
+ 0x06d5, /* ە */
+ 0x09b2, /* ল */
+ 0x0a5e, /* ਫ਼ */
+ 0x0a8d, /* ઍ */
+ 0x0ae0, /* ૠ */
+ 0x0b9c, /* ஜ */
+ 0x0cde, /* ೞ */
+ 0x0e4f, /* ๏ */
+ 0x0e84, /* ຄ */
+ 0x0e8a, /* ຊ */
+ 0x0e8d, /* ຍ */
+ 0x0ea5, /* ລ */
+ 0x0ea7, /* ວ */
+ 0x0eb0, /* ະ */
+ 0x0ebd, /* ຽ */
+ 0x1fbe, /* ι */
+ 0x207f, /* ⁿ */
+ 0x20a8, /* ₨ */
+ 0x2102, /* ℂ */
+ 0x2107, /* ℇ */
+ 0x2124, /* ℤ */
+ 0x2126, /* Ω */
+ 0x2128, /* ℨ */
+ 0xfb3e, /* מּ */
+ 0xfe74, /* ﹴ */
+};
+
+/*
+ * space ranges
+ */
+static
+Rune __space2[] =
+{
+ 0x0009, 0x000a, /* tab and newline */
+ 0x0020, 0x0020, /* space */
+ 0x00a0, 0x00a0, /*   */
+ 0x2000, 0x200b, /*   - ​ */
+ 0x2028, 0x2029, /* 
 - 
 */
+ 0x3000, 0x3000, /*   */
+ 0xfeff, 0xfeff, /*  */
+};
+
+/*
+ * lower case ranges
+ * 3rd col is conversion excess 500
+ */
+static
+Rune __toupper2[] =
+{
+ 0x0061, 0x007a, 468, /* a-z A-Z */
+ 0x00e0, 0x00f6, 468, /* à-ö À-Ö */
+ 0x00f8, 0x00fe, 468, /* ø-þ Ø-Þ */
+ 0x0256, 0x0257, 295, /* ɖ-ɗ Ɖ-Ɗ */
+ 0x0258, 0x0259, 298, /* ɘ-ə Ǝ-Ə */
+ 0x028a, 0x028b, 283, /* ʊ-ʋ Ʊ-Ʋ */
+ 0x03ad, 0x03af, 463, /* έ-ί Έ-Ί */
+ 0x03b1, 0x03c1, 468, /* α-ρ Α-Ρ */
+ 0x03c3, 0x03cb, 468, /* σ-ϋ Σ-Ϋ */
+ 0x03cd, 0x03ce, 437, /* ύ-ώ Ύ-Ώ */
+ 0x0430, 0x044f, 468, /* а-я А-Я */
+ 0x0451, 0x045c, 420, /* ё-ќ Ё-Ќ */
+ 0x045e, 0x045f, 420, /* ў-џ Ў-Џ */
+ 0x0561, 0x0586, 452, /* ա-ֆ Ա-Ֆ */
+ 0x1f00, 0x1f07, 508, /* ἀ-ἇ Ἀ-Ἇ */
+ 0x1f10, 0x1f15, 508, /* ἐ-ἕ Ἐ-Ἕ */
+ 0x1f20, 0x1f27, 508, /* ἠ-ἧ Ἠ-Ἧ */
+ 0x1f30, 0x1f37, 508, /* ἰ-ἷ Ἰ-Ἷ */
+ 0x1f40, 0x1f45, 508, /* ὀ-ὅ Ὀ-Ὅ */
+ 0x1f60, 0x1f67, 508, /* ὠ-ὧ Ὠ-Ὧ */
+ 0x1f70, 0x1f71, 574, /* ὰ-ά Ὰ-Ά */
+ 0x1f72, 0x1f75, 586, /* ὲ-ή Ὲ-Ή */
+ 0x1f76, 0x1f77, 600, /* ὶ-ί Ὶ-Ί */
+ 0x1f78, 0x1f79, 628, /* ὸ-ό Ὸ-Ό */
+ 0x1f7a, 0x1f7b, 612, /* ὺ-ύ Ὺ-Ύ */
+ 0x1f7c, 0x1f7d, 626, /* ὼ-ώ Ὼ-Ώ */
+ 0x1f80, 0x1f87, 508, /* ᾀ-ᾇ ᾈ-ᾏ */
+ 0x1f90, 0x1f97, 508, /* ᾐ-ᾗ ᾘ-ᾟ */
+ 0x1fa0, 0x1fa7, 508, /* ᾠ-ᾧ ᾨ-ᾯ */
+ 0x1fb0, 0x1fb1, 508, /* ᾰ-ᾱ Ᾰ-Ᾱ */
+ 0x1fd0, 0x1fd1, 508, /* ῐ-ῑ Ῐ-Ῑ */
+ 0x1fe0, 0x1fe1, 508, /* ῠ-ῡ Ῠ-Ῡ */
+ 0x2170, 0x217f, 484, /* ⅰ-ⅿ Ⅰ-Ⅿ */
+ 0x24d0, 0x24e9, 474, /* ⓐ-ⓩ Ⓐ-Ⓩ */
+ 0xff41, 0xff5a, 468, /* a-z A-Z */
+};
+
+/*
+ * lower case singlets
+ * 2nd col is conversion excess 500
+ */
+static
+Rune __toupper1[] =
+{
+ 0x00ff, 621, /* ÿ Ÿ */
+ 0x0101, 499, /* ā Ā */
+ 0x0103, 499, /* ă Ă */
+ 0x0105, 499, /* ą Ą */
+ 0x0107, 499, /* ć Ć */
+ 0x0109, 499, /* ĉ Ĉ */
+ 0x010b, 499, /* ċ Ċ */
+ 0x010d, 499, /* č Č */
+ 0x010f, 499, /* ď Ď */
+ 0x0111, 499, /* đ Đ */
+ 0x0113, 499, /* ē Ē */
+ 0x0115, 499, /* ĕ Ĕ */
+ 0x0117, 499, /* ė Ė */
+ 0x0119, 499, /* ę Ę */
+ 0x011b, 499, /* ě Ě */
+ 0x011d, 499, /* ĝ Ĝ */
+ 0x011f, 499, /* ğ Ğ */
+ 0x0121, 499, /* ġ Ġ */
+ 0x0123, 499, /* ģ Ģ */
+ 0x0125, 499, /* ĥ Ĥ */
+ 0x0127, 499, /* ħ Ħ */
+ 0x0129, 499, /* ĩ Ĩ */
+ 0x012b, 499, /* ī Ī */
+ 0x012d, 499, /* ĭ Ĭ */
+ 0x012f, 499, /* į Į */
+ 0x0131, 268, /* ı I */
+ 0x0133, 499, /* ij IJ */
+ 0x0135, 499, /* ĵ Ĵ */
+ 0x0137, 499, /* ķ Ķ */
+ 0x013a, 499, /* ĺ Ĺ */
+ 0x013c, 499, /* ļ Ļ */
+ 0x013e, 499, /* ľ Ľ */
+ 0x0140, 499, /* ŀ Ŀ */
+ 0x0142, 499, /* ł Ł */
+ 0x0144, 499, /* ń Ń */
+ 0x0146, 499, /* ņ Ņ */
+ 0x0148, 499, /* ň Ň */
+ 0x014b, 499, /* ŋ Ŋ */
+ 0x014d, 499, /* ō Ō */
+ 0x014f, 499, /* ŏ Ŏ */
+ 0x0151, 499, /* ő Ő */
+ 0x0153, 499, /* œ Œ */
+ 0x0155, 499, /* ŕ Ŕ */
+ 0x0157, 499, /* ŗ Ŗ */
+ 0x0159, 499, /* ř Ř */
+ 0x015b, 499, /* ś Ś */
+ 0x015d, 499, /* ŝ Ŝ */
+ 0x015f, 499, /* ş Ş */
+ 0x0161, 499, /* š Š */
+ 0x0163, 499, /* ţ Ţ */
+ 0x0165, 499, /* ť Ť */
+ 0x0167, 499, /* ŧ Ŧ */
+ 0x0169, 499, /* ũ Ũ */
+ 0x016b, 499, /* ū Ū */
+ 0x016d, 499, /* ŭ Ŭ */
+ 0x016f, 499, /* ů Ů */
+ 0x0171, 499, /* ű Ű */
+ 0x0173, 499, /* ų Ų */
+ 0x0175, 499, /* ŵ Ŵ */
+ 0x0177, 499, /* ŷ Ŷ */
+ 0x017a, 499, /* ź Ź */
+ 0x017c, 499, /* ż Ż */
+ 0x017e, 499, /* ž Ž */
+ 0x017f, 200, /* ſ S */
+ 0x0183, 499, /* ƃ Ƃ */
+ 0x0185, 499, /* ƅ Ƅ */
+ 0x0188, 499, /* ƈ Ƈ */
+ 0x018c, 499, /* ƌ Ƌ */
+ 0x0192, 499, /* ƒ Ƒ */
+ 0x0199, 499, /* ƙ Ƙ */
+ 0x01a1, 499, /* ơ Ơ */
+ 0x01a3, 499, /* ƣ Ƣ */
+ 0x01a5, 499, /* ƥ Ƥ */
+ 0x01a8, 499, /* ƨ Ƨ */
+ 0x01ad, 499, /* ƭ Ƭ */
+ 0x01b0, 499, /* ư Ư */
+ 0x01b4, 499, /* ƴ Ƴ */
+ 0x01b6, 499, /* ƶ Ƶ */
+ 0x01b9, 499, /* ƹ Ƹ */
+ 0x01bd, 499, /* ƽ Ƽ */
+ 0x01c5, 499, /* Dž DŽ */
+ 0x01c6, 498, /* dž DŽ */
+ 0x01c8, 499, /* Lj LJ */
+ 0x01c9, 498, /* lj LJ */
+ 0x01cb, 499, /* Nj NJ */
+ 0x01cc, 498, /* nj NJ */
+ 0x01ce, 499, /* ǎ Ǎ */
+ 0x01d0, 499, /* ǐ Ǐ */
+ 0x01d2, 499, /* ǒ Ǒ */
+ 0x01d4, 499, /* ǔ Ǔ */
+ 0x01d6, 499, /* ǖ Ǖ */
+ 0x01d8, 499, /* ǘ Ǘ */
+ 0x01da, 499, /* ǚ Ǚ */
+ 0x01dc, 499, /* ǜ Ǜ */
+ 0x01df, 499, /* ǟ Ǟ */
+ 0x01e1, 499, /* ǡ Ǡ */
+ 0x01e3, 499, /* ǣ Ǣ */
+ 0x01e5, 499, /* ǥ Ǥ */
+ 0x01e7, 499, /* ǧ Ǧ */
+ 0x01e9, 499, /* ǩ Ǩ */
+ 0x01eb, 499, /* ǫ Ǫ */
+ 0x01ed, 499, /* ǭ Ǭ */
+ 0x01ef, 499, /* ǯ Ǯ */
+ 0x01f2, 499, /* Dz DZ */
+ 0x01f3, 498, /* dz DZ */
+ 0x01f5, 499, /* ǵ Ǵ */
+ 0x01fb, 499, /* ǻ Ǻ */
+ 0x01fd, 499, /* ǽ Ǽ */
+ 0x01ff, 499, /* ǿ Ǿ */
+ 0x0201, 499, /* ȁ Ȁ */
+ 0x0203, 499, /* ȃ Ȃ */
+ 0x0205, 499, /* ȅ Ȅ */
+ 0x0207, 499, /* ȇ Ȇ */
+ 0x0209, 499, /* ȉ Ȉ */
+ 0x020b, 499, /* ȋ Ȋ */
+ 0x020d, 499, /* ȍ Ȍ */
+ 0x020f, 499, /* ȏ Ȏ */
+ 0x0211, 499, /* ȑ Ȑ */
+ 0x0213, 499, /* ȓ Ȓ */
+ 0x0215, 499, /* ȕ Ȕ */
+ 0x0217, 499, /* ȗ Ȗ */
+ 0x0253, 290, /* ɓ Ɓ */
+ 0x0254, 294, /* ɔ Ɔ */
+ 0x025b, 297, /* ɛ Ɛ */
+ 0x0260, 295, /* ɠ Ɠ */
+ 0x0263, 293, /* ɣ Ɣ */
+ 0x0268, 291, /* ɨ Ɨ */
+ 0x0269, 289, /* ɩ Ɩ */
+ 0x026f, 289, /* ɯ Ɯ */
+ 0x0272, 287, /* ɲ Ɲ */
+ 0x0283, 282, /* ʃ Ʃ */
+ 0x0288, 282, /* ʈ Ʈ */
+ 0x0292, 281, /* ʒ Ʒ */
+ 0x03ac, 462, /* ά Ά */
+ 0x03cc, 436, /* ό Ό */
+ 0x03d0, 438, /* ϐ Β */
+ 0x03d1, 443, /* ϑ Θ */
+ 0x03d5, 453, /* ϕ Φ */
+ 0x03d6, 446, /* ϖ Π */
+ 0x03e3, 499, /* ϣ Ϣ */
+ 0x03e5, 499, /* ϥ Ϥ */
+ 0x03e7, 499, /* ϧ Ϧ */
+ 0x03e9, 499, /* ϩ Ϩ */
+ 0x03eb, 499, /* ϫ Ϫ */
+ 0x03ed, 499, /* ϭ Ϭ */
+ 0x03ef, 499, /* ϯ Ϯ */
+ 0x03f0, 414, /* ϰ Κ */
+ 0x03f1, 420, /* ϱ Ρ */
+ 0x0461, 499, /* ѡ Ѡ */
+ 0x0463, 499, /* ѣ Ѣ */
+ 0x0465, 499, /* ѥ Ѥ */
+ 0x0467, 499, /* ѧ Ѧ */
+ 0x0469, 499, /* ѩ Ѩ */
+ 0x046b, 499, /* ѫ Ѫ */
+ 0x046d, 499, /* ѭ Ѭ */
+ 0x046f, 499, /* ѯ Ѯ */
+ 0x0471, 499, /* ѱ Ѱ */
+ 0x0473, 499, /* ѳ Ѳ */
+ 0x0475, 499, /* ѵ Ѵ */
+ 0x0477, 499, /* ѷ Ѷ */
+ 0x0479, 499, /* ѹ Ѹ */
+ 0x047b, 499, /* ѻ Ѻ */
+ 0x047d, 499, /* ѽ Ѽ */
+ 0x047f, 499, /* ѿ Ѿ */
+ 0x0481, 499, /* ҁ Ҁ */
+ 0x0491, 499, /* ґ Ґ */
+ 0x0493, 499, /* ғ Ғ */
+ 0x0495, 499, /* ҕ Ҕ */
+ 0x0497, 499, /* җ Җ */
+ 0x0499, 499, /* ҙ Ҙ */
+ 0x049b, 499, /* қ Қ */
+ 0x049d, 499, /* ҝ Ҝ */
+ 0x049f, 499, /* ҟ Ҟ */
+ 0x04a1, 499, /* ҡ Ҡ */
+ 0x04a3, 499, /* ң Ң */
+ 0x04a5, 499, /* ҥ Ҥ */
+ 0x04a7, 499, /* ҧ Ҧ */
+ 0x04a9, 499, /* ҩ Ҩ */
+ 0x04ab, 499, /* ҫ Ҫ */
+ 0x04ad, 499, /* ҭ Ҭ */
+ 0x04af, 499, /* ү Ү */
+ 0x04b1, 499, /* ұ Ұ */
+ 0x04b3, 499, /* ҳ Ҳ */
+ 0x04b5, 499, /* ҵ Ҵ */
+ 0x04b7, 499, /* ҷ Ҷ */
+ 0x04b9, 499, /* ҹ Ҹ */
+ 0x04bb, 499, /* һ Һ */
+ 0x04bd, 499, /* ҽ Ҽ */
+ 0x04bf, 499, /* ҿ Ҿ */
+ 0x04c2, 499, /* ӂ Ӂ */
+ 0x04c4, 499, /* ӄ Ӄ */
+ 0x04c8, 499, /* ӈ Ӈ */
+ 0x04cc, 499, /* ӌ Ӌ */
+ 0x04d1, 499, /* ӑ Ӑ */
+ 0x04d3, 499, /* ӓ Ӓ */
+ 0x04d5, 499, /* ӕ Ӕ */
+ 0x04d7, 499, /* ӗ Ӗ */
+ 0x04d9, 499, /* ә Ә */
+ 0x04db, 499, /* ӛ Ӛ */
+ 0x04dd, 499, /* ӝ Ӝ */
+ 0x04df, 499, /* ӟ Ӟ */
+ 0x04e1, 499, /* ӡ Ӡ */
+ 0x04e3, 499, /* ӣ Ӣ */
+ 0x04e5, 499, /* ӥ Ӥ */
+ 0x04e7, 499, /* ӧ Ӧ */
+ 0x04e9, 499, /* ө Ө */
+ 0x04eb, 499, /* ӫ Ӫ */
+ 0x04ef, 499, /* ӯ Ӯ */
+ 0x04f1, 499, /* ӱ Ӱ */
+ 0x04f3, 499, /* ӳ Ӳ */
+ 0x04f5, 499, /* ӵ Ӵ */
+ 0x04f9, 499, /* ӹ Ӹ */
+ 0x1e01, 499, /* ḁ Ḁ */
+ 0x1e03, 499, /* ḃ Ḃ */
+ 0x1e05, 499, /* ḅ Ḅ */
+ 0x1e07, 499, /* ḇ Ḇ */
+ 0x1e09, 499, /* ḉ Ḉ */
+ 0x1e0b, 499, /* ḋ Ḋ */
+ 0x1e0d, 499, /* ḍ Ḍ */
+ 0x1e0f, 499, /* ḏ Ḏ */
+ 0x1e11, 499, /* ḑ Ḑ */
+ 0x1e13, 499, /* ḓ Ḓ */
+ 0x1e15, 499, /* ḕ Ḕ */
+ 0x1e17, 499, /* ḗ Ḗ */
+ 0x1e19, 499, /* ḙ Ḙ */
+ 0x1e1b, 499, /* ḛ Ḛ */
+ 0x1e1d, 499, /* ḝ Ḝ */
+ 0x1e1f, 499, /* ḟ Ḟ */
+ 0x1e21, 499, /* ḡ Ḡ */
+ 0x1e23, 499, /* ḣ Ḣ */
+ 0x1e25, 499, /* ḥ Ḥ */
+ 0x1e27, 499, /* ḧ Ḧ */
+ 0x1e29, 499, /* ḩ Ḩ */
+ 0x1e2b, 499, /* ḫ Ḫ */
+ 0x1e2d, 499, /* ḭ Ḭ */
+ 0x1e2f, 499, /* ḯ Ḯ */
+ 0x1e31, 499, /* ḱ Ḱ */
+ 0x1e33, 499, /* ḳ Ḳ */
+ 0x1e35, 499, /* ḵ Ḵ */
+ 0x1e37, 499, /* ḷ Ḷ */
+ 0x1e39, 499, /* ḹ Ḹ */
+ 0x1e3b, 499, /* ḻ Ḻ */
+ 0x1e3d, 499, /* ḽ Ḽ */
+ 0x1e3f, 499, /* ḿ Ḿ */
+ 0x1e41, 499, /* ṁ Ṁ */
+ 0x1e43, 499, /* ṃ Ṃ */
+ 0x1e45, 499, /* ṅ Ṅ */
+ 0x1e47, 499, /* ṇ Ṇ */
+ 0x1e49, 499, /* ṉ Ṉ */
+ 0x1e4b, 499, /* ṋ Ṋ */
+ 0x1e4d, 499, /* ṍ Ṍ */
+ 0x1e4f, 499, /* ṏ Ṏ */
+ 0x1e51, 499, /* ṑ Ṑ */
+ 0x1e53, 499, /* ṓ Ṓ */
+ 0x1e55, 499, /* ṕ Ṕ */
+ 0x1e57, 499, /* ṗ Ṗ */
+ 0x1e59, 499, /* ṙ Ṙ */
+ 0x1e5b, 499, /* ṛ Ṛ */
+ 0x1e5d, 499, /* ṝ Ṝ */
+ 0x1e5f, 499, /* ṟ Ṟ */
+ 0x1e61, 499, /* ṡ Ṡ */
+ 0x1e63, 499, /* ṣ Ṣ */
+ 0x1e65, 499, /* ṥ Ṥ */
+ 0x1e67, 499, /* ṧ Ṧ */
+ 0x1e69, 499, /* ṩ Ṩ */
+ 0x1e6b, 499, /* ṫ Ṫ */
+ 0x1e6d, 499, /* ṭ Ṭ */
+ 0x1e6f, 499, /* ṯ Ṯ */
+ 0x1e71, 499, /* ṱ Ṱ */
+ 0x1e73, 499, /* ṳ Ṳ */
+ 0x1e75, 499, /* ṵ Ṵ */
+ 0x1e77, 499, /* ṷ Ṷ */
+ 0x1e79, 499, /* ṹ Ṹ */
+ 0x1e7b, 499, /* ṻ Ṻ */
+ 0x1e7d, 499, /* ṽ Ṽ */
+ 0x1e7f, 499, /* ṿ Ṿ */
+ 0x1e81, 499, /* ẁ Ẁ */
+ 0x1e83, 499, /* ẃ Ẃ */
+ 0x1e85, 499, /* ẅ Ẅ */
+ 0x1e87, 499, /* ẇ Ẇ */
+ 0x1e89, 499, /* ẉ Ẉ */
+ 0x1e8b, 499, /* ẋ Ẋ */
+ 0x1e8d, 499, /* ẍ Ẍ */
+ 0x1e8f, 499, /* ẏ Ẏ */
+ 0x1e91, 499, /* ẑ Ẑ */
+ 0x1e93, 499, /* ẓ Ẓ */
+ 0x1e95, 499, /* ẕ Ẕ */
+ 0x1ea1, 499, /* ạ Ạ */
+ 0x1ea3, 499, /* ả Ả */
+ 0x1ea5, 499, /* ấ Ấ */
+ 0x1ea7, 499, /* ầ Ầ */
+ 0x1ea9, 499, /* ẩ Ẩ */
+ 0x1eab, 499, /* ẫ Ẫ */
+ 0x1ead, 499, /* ậ Ậ */
+ 0x1eaf, 499, /* ắ Ắ */
+ 0x1eb1, 499, /* ằ Ằ */
+ 0x1eb3, 499, /* ẳ Ẳ */
+ 0x1eb5, 499, /* ẵ Ẵ */
+ 0x1eb7, 499, /* ặ Ặ */
+ 0x1eb9, 499, /* ẹ Ẹ */
+ 0x1ebb, 499, /* ẻ Ẻ */
+ 0x1ebd, 499, /* ẽ Ẽ */
+ 0x1ebf, 499, /* ế Ế */
+ 0x1ec1, 499, /* ề Ề */
+ 0x1ec3, 499, /* ể Ể */
+ 0x1ec5, 499, /* ễ Ễ */
+ 0x1ec7, 499, /* ệ Ệ */
+ 0x1ec9, 499, /* ỉ Ỉ */
+ 0x1ecb, 499, /* ị Ị */
+ 0x1ecd, 499, /* ọ Ọ */
+ 0x1ecf, 499, /* ỏ Ỏ */
+ 0x1ed1, 499, /* ố Ố */
+ 0x1ed3, 499, /* ồ Ồ */
+ 0x1ed5, 499, /* ổ Ổ */
+ 0x1ed7, 499, /* ỗ Ỗ */
+ 0x1ed9, 499, /* ộ Ộ */
+ 0x1edb, 499, /* ớ Ớ */
+ 0x1edd, 499, /* ờ Ờ */
+ 0x1edf, 499, /* ở Ở */
+ 0x1ee1, 499, /* ỡ Ỡ */
+ 0x1ee3, 499, /* ợ Ợ */
+ 0x1ee5, 499, /* ụ Ụ */
+ 0x1ee7, 499, /* ủ Ủ */
+ 0x1ee9, 499, /* ứ Ứ */
+ 0x1eeb, 499, /* ừ Ừ */
+ 0x1eed, 499, /* ử Ử */
+ 0x1eef, 499, /* ữ Ữ */
+ 0x1ef1, 499, /* ự Ự */
+ 0x1ef3, 499, /* ỳ Ỳ */
+ 0x1ef5, 499, /* ỵ Ỵ */
+ 0x1ef7, 499, /* ỷ Ỷ */
+ 0x1ef9, 499, /* ỹ Ỹ */
+ 0x1f51, 508, /* ὑ Ὑ */
+ 0x1f53, 508, /* ὓ Ὓ */
+ 0x1f55, 508, /* ὕ Ὕ */
+ 0x1f57, 508, /* ὗ Ὗ */
+ 0x1fb3, 509, /* ᾳ ᾼ */
+ 0x1fc3, 509, /* ῃ ῌ */
+ 0x1fe5, 507, /* ῥ Ῥ */
+ 0x1ff3, 509, /* ῳ ῼ */
+};
+
+/*
+ * upper case ranges
+ * 3rd col is conversion excess 500
+ */
+static
+Rune __tolower2[] =
+{
+ 0x0041, 0x005a, 532, /* A-Z a-z */
+ 0x00c0, 0x00d6, 532, /* À-Ö à-ö */
+ 0x00d8, 0x00de, 532, /* Ø-Þ ø-þ */
+ 0x0189, 0x018a, 705, /* Ɖ-Ɗ ɖ-ɗ */
+ 0x018e, 0x018f, 702, /* Ǝ-Ə ɘ-ə */
+ 0x01b1, 0x01b2, 717, /* Ʊ-Ʋ ʊ-ʋ */
+ 0x0388, 0x038a, 537, /* Έ-Ί έ-ί */
+ 0x038e, 0x038f, 563, /* Ύ-Ώ ύ-ώ */
+ 0x0391, 0x03a1, 532, /* Α-Ρ α-ρ */
+ 0x03a3, 0x03ab, 532, /* Σ-Ϋ σ-ϋ */
+ 0x0401, 0x040c, 580, /* Ё-Ќ ё-ќ */
+ 0x040e, 0x040f, 580, /* Ў-Џ ў-џ */
+ 0x0410, 0x042f, 532, /* А-Я а-я */
+ 0x0531, 0x0556, 548, /* Ա-Ֆ ա-ֆ */
+ 0x10a0, 0x10c5, 548, /* Ⴀ-Ⴥ ა-ჵ */
+ 0x1f08, 0x1f0f, 492, /* Ἀ-Ἇ ἀ-ἇ */
+ 0x1f18, 0x1f1d, 492, /* Ἐ-Ἕ ἐ-ἕ */
+ 0x1f28, 0x1f2f, 492, /* Ἠ-Ἧ ἠ-ἧ */
+ 0x1f38, 0x1f3f, 492, /* Ἰ-Ἷ ἰ-ἷ */
+ 0x1f48, 0x1f4d, 492, /* Ὀ-Ὅ ὀ-ὅ */
+ 0x1f68, 0x1f6f, 492, /* Ὠ-Ὧ ὠ-ὧ */
+ 0x1f88, 0x1f8f, 492, /* ᾈ-ᾏ ᾀ-ᾇ */
+ 0x1f98, 0x1f9f, 492, /* ᾘ-ᾟ ᾐ-ᾗ */
+ 0x1fa8, 0x1faf, 492, /* ᾨ-ᾯ ᾠ-ᾧ */
+ 0x1fb8, 0x1fb9, 492, /* Ᾰ-Ᾱ ᾰ-ᾱ */
+ 0x1fba, 0x1fbb, 426, /* Ὰ-Ά ὰ-ά */
+ 0x1fc8, 0x1fcb, 414, /* Ὲ-Ή ὲ-ή */
+ 0x1fd8, 0x1fd9, 492, /* Ῐ-Ῑ ῐ-ῑ */
+ 0x1fda, 0x1fdb, 400, /* Ὶ-Ί ὶ-ί */
+ 0x1fe8, 0x1fe9, 492, /* Ῠ-Ῡ ῠ-ῡ */
+ 0x1fea, 0x1feb, 388, /* Ὺ-Ύ ὺ-ύ */
+ 0x1ff8, 0x1ff9, 372, /* Ὸ-Ό ὸ-ό */
+ 0x1ffa, 0x1ffb, 374, /* Ὼ-Ώ ὼ-ώ */
+ 0x2160, 0x216f, 516, /* Ⅰ-Ⅿ ⅰ-ⅿ */
+ 0x24b6, 0x24cf, 526, /* Ⓐ-Ⓩ ⓐ-ⓩ */
+ 0xff21, 0xff3a, 532, /* A-Z a-z */
+};
+
+/*
+ * upper case singlets
+ * 2nd col is conversion excess 500
+ */
+static
+Rune __tolower1[] =
+{
+ 0x0100, 501, /* Ā ā */
+ 0x0102, 501, /* Ă ă */
+ 0x0104, 501, /* Ą ą */
+ 0x0106, 501, /* Ć ć */
+ 0x0108, 501, /* Ĉ ĉ */
+ 0x010a, 501, /* Ċ ċ */
+ 0x010c, 501, /* Č č */
+ 0x010e, 501, /* Ď ď */
+ 0x0110, 501, /* Đ đ */
+ 0x0112, 501, /* Ē ē */
+ 0x0114, 501, /* Ĕ ĕ */
+ 0x0116, 501, /* Ė ė */
+ 0x0118, 501, /* Ę ę */
+ 0x011a, 501, /* Ě ě */
+ 0x011c, 501, /* Ĝ ĝ */
+ 0x011e, 501, /* Ğ ğ */
+ 0x0120, 501, /* Ġ ġ */
+ 0x0122, 501, /* Ģ ģ */
+ 0x0124, 501, /* Ĥ ĥ */
+ 0x0126, 501, /* Ħ ħ */
+ 0x0128, 501, /* Ĩ ĩ */
+ 0x012a, 501, /* Ī ī */
+ 0x012c, 501, /* Ĭ ĭ */
+ 0x012e, 501, /* Į į */
+ 0x0130, 301, /* İ i */
+ 0x0132, 501, /* IJ ij */
+ 0x0134, 501, /* Ĵ ĵ */
+ 0x0136, 501, /* Ķ ķ */
+ 0x0139, 501, /* Ĺ ĺ */
+ 0x013b, 501, /* Ļ ļ */
+ 0x013d, 501, /* Ľ ľ */
+ 0x013f, 501, /* Ŀ ŀ */
+ 0x0141, 501, /* Ł ł */
+ 0x0143, 501, /* Ń ń */
+ 0x0145, 501, /* Ņ ņ */
+ 0x0147, 501, /* Ň ň */
+ 0x014a, 501, /* Ŋ ŋ */
+ 0x014c, 501, /* Ō ō */
+ 0x014e, 501, /* Ŏ ŏ */
+ 0x0150, 501, /* Ő ő */
+ 0x0152, 501, /* Œ œ */
+ 0x0154, 501, /* Ŕ ŕ */
+ 0x0156, 501, /* Ŗ ŗ */
+ 0x0158, 501, /* Ř ř */
+ 0x015a, 501, /* Ś ś */
+ 0x015c, 501, /* Ŝ ŝ */
+ 0x015e, 501, /* Ş ş */
+ 0x0160, 501, /* Š š */
+ 0x0162, 501, /* Ţ ţ */
+ 0x0164, 501, /* Ť ť */
+ 0x0166, 501, /* Ŧ ŧ */
+ 0x0168, 501, /* Ũ ũ */
+ 0x016a, 501, /* Ū ū */
+ 0x016c, 501, /* Ŭ ŭ */
+ 0x016e, 501, /* Ů ů */
+ 0x0170, 501, /* Ű ű */
+ 0x0172, 501, /* Ų ų */
+ 0x0174, 501, /* Ŵ ŵ */
+ 0x0176, 501, /* Ŷ ŷ */
+ 0x0178, 379, /* Ÿ ÿ */
+ 0x0179, 501, /* Ź ź */
+ 0x017b, 501, /* Ż ż */
+ 0x017d, 501, /* Ž ž */
+ 0x0181, 710, /* Ɓ ɓ */
+ 0x0182, 501, /* Ƃ ƃ */
+ 0x0184, 501, /* Ƅ ƅ */
+ 0x0186, 706, /* Ɔ ɔ */
+ 0x0187, 501, /* Ƈ ƈ */
+ 0x018b, 501, /* Ƌ ƌ */
+ 0x0190, 703, /* Ɛ ɛ */
+ 0x0191, 501, /* Ƒ ƒ */
+ 0x0193, 705, /* Ɠ ɠ */
+ 0x0194, 707, /* Ɣ ɣ */
+ 0x0196, 711, /* Ɩ ɩ */
+ 0x0197, 709, /* Ɨ ɨ */
+ 0x0198, 501, /* Ƙ ƙ */
+ 0x019c, 711, /* Ɯ ɯ */
+ 0x019d, 713, /* Ɲ ɲ */
+ 0x01a0, 501, /* Ơ ơ */
+ 0x01a2, 501, /* Ƣ ƣ */
+ 0x01a4, 501, /* Ƥ ƥ */
+ 0x01a7, 501, /* Ƨ ƨ */
+ 0x01a9, 718, /* Ʃ ʃ */
+ 0x01ac, 501, /* Ƭ ƭ */
+ 0x01ae, 718, /* Ʈ ʈ */
+ 0x01af, 501, /* Ư ư */
+ 0x01b3, 501, /* Ƴ ƴ */
+ 0x01b5, 501, /* Ƶ ƶ */
+ 0x01b7, 719, /* Ʒ ʒ */
+ 0x01b8, 501, /* Ƹ ƹ */
+ 0x01bc, 501, /* Ƽ ƽ */
+ 0x01c4, 502, /* DŽ dž */
+ 0x01c5, 501, /* Dž dž */
+ 0x01c7, 502, /* LJ lj */
+ 0x01c8, 501, /* Lj lj */
+ 0x01ca, 502, /* NJ nj */
+ 0x01cb, 501, /* Nj nj */
+ 0x01cd, 501, /* Ǎ ǎ */
+ 0x01cf, 501, /* Ǐ ǐ */
+ 0x01d1, 501, /* Ǒ ǒ */
+ 0x01d3, 501, /* Ǔ ǔ */
+ 0x01d5, 501, /* Ǖ ǖ */
+ 0x01d7, 501, /* Ǘ ǘ */
+ 0x01d9, 501, /* Ǚ ǚ */
+ 0x01db, 501, /* Ǜ ǜ */
+ 0x01de, 501, /* Ǟ ǟ */
+ 0x01e0, 501, /* Ǡ ǡ */
+ 0x01e2, 501, /* Ǣ ǣ */
+ 0x01e4, 501, /* Ǥ ǥ */
+ 0x01e6, 501, /* Ǧ ǧ */
+ 0x01e8, 501, /* Ǩ ǩ */
+ 0x01ea, 501, /* Ǫ ǫ */
+ 0x01ec, 501, /* Ǭ ǭ */
+ 0x01ee, 501, /* Ǯ ǯ */
+ 0x01f1, 502, /* DZ dz */
+ 0x01f2, 501, /* Dz dz */
+ 0x01f4, 501, /* Ǵ ǵ */
+ 0x01fa, 501, /* Ǻ ǻ */
+ 0x01fc, 501, /* Ǽ ǽ */
+ 0x01fe, 501, /* Ǿ ǿ */
+ 0x0200, 501, /* Ȁ ȁ */
+ 0x0202, 501, /* Ȃ ȃ */
+ 0x0204, 501, /* Ȅ ȅ */
+ 0x0206, 501, /* Ȇ ȇ */
+ 0x0208, 501, /* Ȉ ȉ */
+ 0x020a, 501, /* Ȋ ȋ */
+ 0x020c, 501, /* Ȍ ȍ */
+ 0x020e, 501, /* Ȏ ȏ */
+ 0x0210, 501, /* Ȑ ȑ */
+ 0x0212, 501, /* Ȓ ȓ */
+ 0x0214, 501, /* Ȕ ȕ */
+ 0x0216, 501, /* Ȗ ȗ */
+ 0x0386, 538, /* Ά ά */
+ 0x038c, 564, /* Ό ό */
+ 0x03e2, 501, /* Ϣ ϣ */
+ 0x03e4, 501, /* Ϥ ϥ */
+ 0x03e6, 501, /* Ϧ ϧ */
+ 0x03e8, 501, /* Ϩ ϩ */
+ 0x03ea, 501, /* Ϫ ϫ */
+ 0x03ec, 501, /* Ϭ ϭ */
+ 0x03ee, 501, /* Ϯ ϯ */
+ 0x0460, 501, /* Ѡ ѡ */
+ 0x0462, 501, /* Ѣ ѣ */
+ 0x0464, 501, /* Ѥ ѥ */
+ 0x0466, 501, /* Ѧ ѧ */
+ 0x0468, 501, /* Ѩ ѩ */
+ 0x046a, 501, /* Ѫ ѫ */
+ 0x046c, 501, /* Ѭ ѭ */
+ 0x046e, 501, /* Ѯ ѯ */
+ 0x0470, 501, /* Ѱ ѱ */
+ 0x0472, 501, /* Ѳ ѳ */
+ 0x0474, 501, /* Ѵ ѵ */
+ 0x0476, 501, /* Ѷ ѷ */
+ 0x0478, 501, /* Ѹ ѹ */
+ 0x047a, 501, /* Ѻ ѻ */
+ 0x047c, 501, /* Ѽ ѽ */
+ 0x047e, 501, /* Ѿ ѿ */
+ 0x0480, 501, /* Ҁ ҁ */
+ 0x0490, 501, /* Ґ ґ */
+ 0x0492, 501, /* Ғ ғ */
+ 0x0494, 501, /* Ҕ ҕ */
+ 0x0496, 501, /* Җ җ */
+ 0x0498, 501, /* Ҙ ҙ */
+ 0x049a, 501, /* Қ қ */
+ 0x049c, 501, /* Ҝ ҝ */
+ 0x049e, 501, /* Ҟ ҟ */
+ 0x04a0, 501, /* Ҡ ҡ */
+ 0x04a2, 501, /* Ң ң */
+ 0x04a4, 501, /* Ҥ ҥ */
+ 0x04a6, 501, /* Ҧ ҧ */
+ 0x04a8, 501, /* Ҩ ҩ */
+ 0x04aa, 501, /* Ҫ ҫ */
+ 0x04ac, 501, /* Ҭ ҭ */
+ 0x04ae, 501, /* Ү ү */
+ 0x04b0, 501, /* Ұ ұ */
+ 0x04b2, 501, /* Ҳ ҳ */
+ 0x04b4, 501, /* Ҵ ҵ */
+ 0x04b6, 501, /* Ҷ ҷ */
+ 0x04b8, 501, /* Ҹ ҹ */
+ 0x04ba, 501, /* Һ һ */
+ 0x04bc, 501, /* Ҽ ҽ */
+ 0x04be, 501, /* Ҿ ҿ */
+ 0x04c1, 501, /* Ӂ ӂ */
+ 0x04c3, 501, /* Ӄ ӄ */
+ 0x04c7, 501, /* Ӈ ӈ */
+ 0x04cb, 501, /* Ӌ ӌ */
+ 0x04d0, 501, /* Ӑ ӑ */
+ 0x04d2, 501, /* Ӓ ӓ */
+ 0x04d4, 501, /* Ӕ ӕ */
+ 0x04d6, 501, /* Ӗ ӗ */
+ 0x04d8, 501, /* Ә ә */
+ 0x04da, 501, /* Ӛ ӛ */
+ 0x04dc, 501, /* Ӝ ӝ */
+ 0x04de, 501, /* Ӟ ӟ */
+ 0x04e0, 501, /* Ӡ ӡ */
+ 0x04e2, 501, /* Ӣ ӣ */
+ 0x04e4, 501, /* Ӥ ӥ */
+ 0x04e6, 501, /* Ӧ ӧ */
+ 0x04e8, 501, /* Ө ө */
+ 0x04ea, 501, /* Ӫ ӫ */
+ 0x04ee, 501, /* Ӯ ӯ */
+ 0x04f0, 501, /* Ӱ ӱ */
+ 0x04f2, 501, /* Ӳ ӳ */
+ 0x04f4, 501, /* Ӵ ӵ */
+ 0x04f8, 501, /* Ӹ ӹ */
+ 0x1e00, 501, /* Ḁ ḁ */
+ 0x1e02, 501, /* Ḃ ḃ */
+ 0x1e04, 501, /* Ḅ ḅ */
+ 0x1e06, 501, /* Ḇ ḇ */
+ 0x1e08, 501, /* Ḉ ḉ */
+ 0x1e0a, 501, /* Ḋ ḋ */
+ 0x1e0c, 501, /* Ḍ ḍ */
+ 0x1e0e, 501, /* Ḏ ḏ */
+ 0x1e10, 501, /* Ḑ ḑ */
+ 0x1e12, 501, /* Ḓ ḓ */
+ 0x1e14, 501, /* Ḕ ḕ */
+ 0x1e16, 501, /* Ḗ ḗ */
+ 0x1e18, 501, /* Ḙ ḙ */
+ 0x1e1a, 501, /* Ḛ ḛ */
+ 0x1e1c, 501, /* Ḝ ḝ */
+ 0x1e1e, 501, /* Ḟ ḟ */
+ 0x1e20, 501, /* Ḡ ḡ */
+ 0x1e22, 501, /* Ḣ ḣ */
+ 0x1e24, 501, /* Ḥ ḥ */
+ 0x1e26, 501, /* Ḧ ḧ */
+ 0x1e28, 501, /* Ḩ ḩ */
+ 0x1e2a, 501, /* Ḫ ḫ */
+ 0x1e2c, 501, /* Ḭ ḭ */
+ 0x1e2e, 501, /* Ḯ ḯ */
+ 0x1e30, 501, /* Ḱ ḱ */
+ 0x1e32, 501, /* Ḳ ḳ */
+ 0x1e34, 501, /* Ḵ ḵ */
+ 0x1e36, 501, /* Ḷ ḷ */
+ 0x1e38, 501, /* Ḹ ḹ */
+ 0x1e3a, 501, /* Ḻ ḻ */
+ 0x1e3c, 501, /* Ḽ ḽ */
+ 0x1e3e, 501, /* Ḿ ḿ */
+ 0x1e40, 501, /* Ṁ ṁ */
+ 0x1e42, 501, /* Ṃ ṃ */
+ 0x1e44, 501, /* Ṅ ṅ */
+ 0x1e46, 501, /* Ṇ ṇ */
+ 0x1e48, 501, /* Ṉ ṉ */
+ 0x1e4a, 501, /* Ṋ ṋ */
+ 0x1e4c, 501, /* Ṍ ṍ */
+ 0x1e4e, 501, /* Ṏ ṏ */
+ 0x1e50, 501, /* Ṑ ṑ */
+ 0x1e52, 501, /* Ṓ ṓ */
+ 0x1e54, 501, /* Ṕ ṕ */
+ 0x1e56, 501, /* Ṗ ṗ */
+ 0x1e58, 501, /* Ṙ ṙ */
+ 0x1e5a, 501, /* Ṛ ṛ */
+ 0x1e5c, 501, /* Ṝ ṝ */
+ 0x1e5e, 501, /* Ṟ ṟ */
+ 0x1e60, 501, /* Ṡ ṡ */
+ 0x1e62, 501, /* Ṣ ṣ */
+ 0x1e64, 501, /* Ṥ ṥ */
+ 0x1e66, 501, /* Ṧ ṧ */
+ 0x1e68, 501, /* Ṩ ṩ */
+ 0x1e6a, 501, /* Ṫ ṫ */
+ 0x1e6c, 501, /* Ṭ ṭ */
+ 0x1e6e, 501, /* Ṯ ṯ */
+ 0x1e70, 501, /* Ṱ ṱ */
+ 0x1e72, 501, /* Ṳ ṳ */
+ 0x1e74, 501, /* Ṵ ṵ */
+ 0x1e76, 501, /* Ṷ ṷ */
+ 0x1e78, 501, /* Ṹ ṹ */
+ 0x1e7a, 501, /* Ṻ ṻ */
+ 0x1e7c, 501, /* Ṽ ṽ */
+ 0x1e7e, 501, /* Ṿ ṿ */
+ 0x1e80, 501, /* Ẁ ẁ */
+ 0x1e82, 501, /* Ẃ ẃ */
+ 0x1e84, 501, /* Ẅ ẅ */
+ 0x1e86, 501, /* Ẇ ẇ */
+ 0x1e88, 501, /* Ẉ ẉ */
+ 0x1e8a, 501, /* Ẋ ẋ */
+ 0x1e8c, 501, /* Ẍ ẍ */
+ 0x1e8e, 501, /* Ẏ ẏ */
+ 0x1e90, 501, /* Ẑ ẑ */
+ 0x1e92, 501, /* Ẓ ẓ */
+ 0x1e94, 501, /* Ẕ ẕ */
+ 0x1ea0, 501, /* Ạ ạ */
+ 0x1ea2, 501, /* Ả ả */
+ 0x1ea4, 501, /* Ấ ấ */
+ 0x1ea6, 501, /* Ầ ầ */
+ 0x1ea8, 501, /* Ẩ ẩ */
+ 0x1eaa, 501, /* Ẫ ẫ */
+ 0x1eac, 501, /* Ậ ậ */
+ 0x1eae, 501, /* Ắ ắ */
+ 0x1eb0, 501, /* Ằ ằ */
+ 0x1eb2, 501, /* Ẳ ẳ */
+ 0x1eb4, 501, /* Ẵ ẵ */
+ 0x1eb6, 501, /* Ặ ặ */
+ 0x1eb8, 501, /* Ẹ ẹ */
+ 0x1eba, 501, /* Ẻ ẻ */
+ 0x1ebc, 501, /* Ẽ ẽ */
+ 0x1ebe, 501, /* Ế ế */
+ 0x1ec0, 501, /* Ề ề */
+ 0x1ec2, 501, /* Ể ể */
+ 0x1ec4, 501, /* Ễ ễ */
+ 0x1ec6, 501, /* Ệ ệ */
+ 0x1ec8, 501, /* Ỉ ỉ */
+ 0x1eca, 501, /* Ị ị */
+ 0x1ecc, 501, /* Ọ ọ */
+ 0x1ece, 501, /* Ỏ ỏ */
+ 0x1ed0, 501, /* Ố ố */
+ 0x1ed2, 501, /* Ồ ồ */
+ 0x1ed4, 501, /* Ổ ổ */
+ 0x1ed6, 501, /* Ỗ ỗ */
+ 0x1ed8, 501, /* Ộ ộ */
+ 0x1eda, 501, /* Ớ ớ */
+ 0x1edc, 501, /* Ờ ờ */
+ 0x1ede, 501, /* Ở ở */
+ 0x1ee0, 501, /* Ỡ ỡ */
+ 0x1ee2, 501, /* Ợ ợ */
+ 0x1ee4, 501, /* Ụ ụ */
+ 0x1ee6, 501, /* Ủ ủ */
+ 0x1ee8, 501, /* Ứ ứ */
+ 0x1eea, 501, /* Ừ ừ */
+ 0x1eec, 501, /* Ử ử */
+ 0x1eee, 501, /* Ữ ữ */
+ 0x1ef0, 501, /* Ự ự */
+ 0x1ef2, 501, /* Ỳ ỳ */
+ 0x1ef4, 501, /* Ỵ ỵ */
+ 0x1ef6, 501, /* Ỷ ỷ */
+ 0x1ef8, 501, /* Ỹ ỹ */
+ 0x1f59, 492, /* Ὑ ὑ */
+ 0x1f5b, 492, /* Ὓ ὓ */
+ 0x1f5d, 492, /* Ὕ ὕ */
+ 0x1f5f, 492, /* Ὗ ὗ */
+ 0x1fbc, 491, /* ᾼ ᾳ */
+ 0x1fcc, 491, /* ῌ ῃ */
+ 0x1fec, 493, /* Ῥ ῥ */
+ 0x1ffc, 491, /* ῼ ῳ */
+};
+
+/*
+ * title characters are those between
+ * upper and lower case. ie DZ Dz dz
+ */
+static
+Rune __totitle1[] =
+{
+ 0x01c4, 501, /* DŽ Dž */
+ 0x01c6, 499, /* dž Dž */
+ 0x01c7, 501, /* LJ Lj */
+ 0x01c9, 499, /* lj Lj */
+ 0x01ca, 501, /* NJ Nj */
+ 0x01cc, 499, /* nj Nj */
+ 0x01f1, 501, /* DZ Dz */
+ 0x01f3, 499, /* dz Dz */
+};
+
+static Rune*
+bsearch(Rune c, Rune *t, int n, int ne)
+{
+ Rune *p;
+ int m;
+
+ while(n > 1) {
+ m = n/2;
+ p = t + m*ne;
+ if(c >= p[0]) {
+ t = p;
+ n = n-m;
+ } else
+ n = m;
+ }
+ if(n && c >= t[0])
+ return t;
+ return 0;
+}
+
+Rune
+tolowerrune(Rune c)
+{
+ Rune *p;
+
+ p = bsearch(c, __tolower2, nelem(__tolower2)/3, 3);
+ if(p && c >= p[0] && c <= p[1])
+ return c + p[2] - 500;
+ p = bsearch(c, __tolower1, nelem(__tolower1)/2, 2);
+ if(p && c == p[0])
+ return c + p[1] - 500;
+ return c;
+}
+
+Rune
+toupperrune(Rune c)
+{
+ Rune *p;
+
+ p = bsearch(c, __toupper2, nelem(__toupper2)/3, 3);
+ if(p && c >= p[0] && c <= p[1])
+ return c + p[2] - 500;
+ p = bsearch(c, __toupper1, nelem(__toupper1)/2, 2);
+ if(p && c == p[0])
+ return c + p[1] - 500;
+ return c;
+}
+
+Rune
+totitlerune(Rune c)
+{
+ Rune *p;
+
+ p = bsearch(c, __totitle1, nelem(__totitle1)/2, 2);
+ if(p && c == p[0])
+ return c + p[1] - 500;
+ return c;
+}
+
+int
+islowerrune(Rune c)
+{
+ Rune *p;
+
+ p = bsearch(c, __toupper2, nelem(__toupper2)/3, 3);
+ if(p && c >= p[0] && c <= p[1])
+ return 1;
+ p = bsearch(c, __toupper1, nelem(__toupper1)/2, 2);
+ if(p && c == p[0])
+ return 1;
+ return 0;
+}
+
+int
+isupperrune(Rune c)
+{
+ Rune *p;
+
+ p = bsearch(c, __tolower2, nelem(__tolower2)/3, 3);
+ if(p && c >= p[0] && c <= p[1])
+ return 1;
+ p = bsearch(c, __tolower1, nelem(__tolower1)/2, 2);
+ if(p && c == p[0])
+ return 1;
+ return 0;
+}
+
+int
+isalpharune(Rune c)
+{
+ Rune *p;
+
+ if(isupperrune(c) || islowerrune(c))
+ return 1;
+ p = bsearch(c, __alpha2, nelem(__alpha2)/2, 2);
+ if(p && c >= p[0] && c <= p[1])
+ return 1;
+ p = bsearch(c, __alpha1, nelem(__alpha1), 1);
+ if(p && c == p[0])
+ return 1;
+ return 0;
+}
+
+int
+istitlerune(Rune c)
+{
+ return isupperrune(c) && islowerrune(c);
+}
+
+int
+isspacerune(Rune c)
+{
+ Rune *p;
+
+ p = bsearch(c, __space2, nelem(__space2)/2, 2);
+ if(p && c >= p[0] && c <= p[1])
+ return 1;
+ return 0;
+}
diff --git a/src/lib9/utf/utfdef.h b/src/lib9/utf/utfdef.h
new file mode 100644
index 000000000..ba3749a9c
--- /dev/null
+++ b/src/lib9/utf/utfdef.h
@@ -0,0 +1,47 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 1998-2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+
+/*
+ * compiler directive on Plan 9
+ */
+#ifndef USED
+#define USED(x) if(x);else
+#endif
+
+/*
+ * easiest way to make sure these are defined
+ */
+#define uchar _fmtuchar
+#define ushort _fmtushort
+#define uint _fmtuint
+#define ulong _fmtulong
+#define vlong _fmtvlong
+#define uvlong _fmtuvlong
+typedef unsigned char uchar;
+typedef unsigned short ushort;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+typedef unsigned long long uvlong;
+typedef long long vlong;
+
+/*
+ * nil cannot be ((void*)0) on ANSI C,
+ * because it is used for function pointers
+ */
+#undef nil
+#define nil 0
+
+#undef nelem
+#define nelem ((void*)0)
+
diff --git a/src/lib9/utf/utfecpy.c b/src/lib9/utf/utfecpy.c
new file mode 100644
index 000000000..cf3535fb4
--- /dev/null
+++ b/src/lib9/utf/utfecpy.c
@@ -0,0 +1,37 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#define _BSD_SOURCE 1 /* memccpy */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+char*
+utfecpy(char *to, char *e, char *from)
+{
+ char *end;
+
+ if(to >= e)
+ return to;
+ end = memccpy(to, from, '\0', e - to);
+ if(end == nil){
+ end = e-1;
+ while(end>to && (*--end&0xC0)==0x80)
+ ;
+ *end = '\0';
+ }else{
+ end--;
+ }
+ return end;
+}
diff --git a/src/lib9/utf/utflen.c b/src/lib9/utf/utflen.c
new file mode 100644
index 000000000..769805a5a
--- /dev/null
+++ b/src/lib9/utf/utflen.c
@@ -0,0 +1,37 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+int
+utflen(char *s)
+{
+ int c;
+ long n;
+ Rune rune;
+
+ n = 0;
+ for(;;) {
+ c = *(uchar*)s;
+ if(c < Runeself) {
+ if(c == 0)
+ return n;
+ s++;
+ } else
+ s += chartorune(&rune, s);
+ n++;
+ }
+}
diff --git a/src/lib9/utf/utfnlen.c b/src/lib9/utf/utfnlen.c
new file mode 100644
index 000000000..668032995
--- /dev/null
+++ b/src/lib9/utf/utfnlen.c
@@ -0,0 +1,41 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+int
+utfnlen(char *s, long m)
+{
+ int c;
+ long n;
+ Rune rune;
+ char *es;
+
+ es = s + m;
+ for(n = 0; s < es; n++) {
+ c = *(uchar*)s;
+ if(c < Runeself){
+ if(c == '\0')
+ break;
+ s++;
+ continue;
+ }
+ if(!fullrune(s, es-s))
+ break;
+ s += chartorune(&rune, s);
+ }
+ return n;
+}
diff --git a/src/lib9/utf/utfrrune.c b/src/lib9/utf/utfrrune.c
new file mode 100644
index 000000000..cff12b5e2
--- /dev/null
+++ b/src/lib9/utf/utfrrune.c
@@ -0,0 +1,45 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+char*
+utfrrune(char *s, long c)
+{
+ long c1;
+ Rune r;
+ char *s1;
+
+ if(c < Runesync) /* not part of utf sequence */
+ return strrchr(s, c);
+
+ s1 = 0;
+ for(;;) {
+ c1 = *(uchar*)s;
+ if(c1 < Runeself) { /* one byte rune */
+ if(c1 == 0)
+ return s1;
+ if(c1 == c)
+ s1 = s;
+ s++;
+ continue;
+ }
+ c1 = chartorune(&r, s);
+ if(r == c)
+ s1 = s;
+ s += c1;
+ }
+}
diff --git a/src/lib9/utf/utfrune.c b/src/lib9/utf/utfrune.c
new file mode 100644
index 000000000..52b83599e
--- /dev/null
+++ b/src/lib9/utf/utfrune.c
@@ -0,0 +1,44 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+char*
+utfrune(char *s, long c)
+{
+ long c1;
+ Rune r;
+ int n;
+
+ if(c < Runesync) /* not part of utf sequence */
+ return strchr(s, c);
+
+ for(;;) {
+ c1 = *(uchar*)s;
+ if(c1 < Runeself) { /* one byte rune */
+ if(c1 == 0)
+ return 0;
+ if(c1 == c)
+ return s;
+ s++;
+ continue;
+ }
+ n = chartorune(&r, s);
+ if(r == c)
+ return s;
+ s += n;
+ }
+}
diff --git a/src/lib9/utf/utfutf.c b/src/lib9/utf/utfutf.c
new file mode 100644
index 000000000..13c850208
--- /dev/null
+++ b/src/lib9/utf/utfutf.c
@@ -0,0 +1,41 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
+ * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "utf.h"
+
+
+/*
+ * Return pointer to first occurrence of s2 in s1,
+ * 0 if none
+ */
+char*
+utfutf(char *s1, char *s2)
+{
+ char *p;
+ long f, n1, n2;
+ Rune r;
+
+ n1 = chartorune(&r, s2);
+ f = r;
+ if(f <= Runesync) /* represents self */
+ return strstr(s1, s2);
+
+ n2 = strlen(s2);
+ for(p=s1; p=utfrune(p, f); p+=n1)
+ if(strncmp(p, s2, n2) == 0)
+ return p;
+ return 0;
+}