Update.

1999-12-31  Ulrich Drepper  <drepper@cygnus.com>

	* locale/langinfo.h: Add constants for wide character collation
	symbol table.
	* locale/categories.def: Add appropriate entries for collate symbol
	table entries.
	* locale/C-collate.c: Add initializers for new entries.
	Remove commented out code.
	* locale/elem-hash.h: New file.
	* locale/Makefile (distribute): Add elem-hash.h.
	* locale/programs/ld-collate.c: Implement output of collate symbol
	table.

	* posix/regex.c: Implement collation class handling.

8 files changed, 356 insertions, 144 deletions

diff --git a/ChangeLog b/ChangeLog
index 59846bf..47132bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,18 @@
+1999-12-31  Ulrich Drepper  <drepper@cygnus.com>
+
+	* locale/langinfo.h: Add constants for wide character collation
+	symbol table.
+	* locale/categories.def: Add appropriate entries for collate symbol
+	table entries.
+	* locale/C-collate.c: Add initializers for new entries.
+	Remove commented out code.
+	* locale/elem-hash.h: New file.
+	* locale/Makefile (distribute): Add elem-hash.h.
+	* locale/programs/ld-collate.c: Implement output of collate symbol
+	table.
+
+	* posix/regex.c: Implement collation class handling.
+
 1999-12-30  Ulrich Drepper  <drepper@cygnus.com>
 
 	* posix/regex.c (regex_compile): Implement equivalence class handling.
diff --git a/locale/C-collate.c b/locale/C-collate.c
index 7302682..679ed30 100644
--- a/locale/C-collate.c
+++ b/locale/C-collate.c
@@ -20,137 +20,12 @@
 #include <endian.h>
 #include "localeinfo.h"
 
-#if 0
-/* These tables' entries contain values which make the function behave
-   according to POSIX.2 Table 2-8 ``LC_COLLATE Category Definition in
-   the POSIX Locale''.  */
-
-const uint32_t _nl_C_LC_COLLATE_symbol_hash[446] =
-{
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0x00000154u, 0x00000060u, 0xffffffffu, 0xffffffffu,
-  0x0000004fu, 0x0000001au, 0x00000085u, 0x00000030u, 0xffffffffu, 0xffffffffu,
-  0x000002beu, 0x000000fau, 0xffffffffu, 0xffffffffu, 0x0000014eu, 0x0000005eu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x000000bbu, 0x00000044u,
-  0xffffffffu, 0xffffffffu, 0x000000efu, 0x0000004cu, 0x00000147u, 0x0000005cu,
-  0x000000a0u, 0x0000003eu, 0x00000000u, 0x00000000u, 0x00000038u, 0x00000016u,
-  0x00000094u, 0x00000038u, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0x00000140u, 0x0000005au, 0x0000018cu, 0x00000076u,
-  0x0000007du, 0x0000002cu, 0xffffffffu, 0xffffffffu, 0x00000115u, 0x00000052u,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x00000285u, 0x000000deu,
-  0x00000171u, 0x0000006cu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0x00000289u, 0x000000e2u, 0x000002d8u, 0x000000feu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x00000022u, 0x00000010u,
-  0x0000028fu, 0x000000e8u, 0x00000069u, 0x00000022u, 0x0000006du, 0x00000024u,
-  0x00000071u, 0x00000026u, 0x00000075u, 0x00000028u, 0xffffffffu, 0xffffffffu,
-  0x00000295u, 0x000000eeu, 0xffffffffu, 0xffffffffu, 0x00000297u, 0x000000f0u,
-  0xffffffffu, 0xffffffffu, 0x00000299u, 0x000000f2u, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x00000213u, 0x000000b6u,
-  0xffffffffu, 0xffffffffu, 0x00000014u, 0x0000000au, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0x00000227u, 0x000000b8u, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x0000015du, 0x00000064u,
-  0xffffffffu, 0xffffffffu, 0x000001ffu, 0x000000a2u, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x0000013au, 0x00000058u,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x00000010u, 0x00000008u,
-  0x000001dfu, 0x00000082u, 0x000001e1u, 0x00000084u, 0x00000167u, 0x00000068u,
-  0x00000004u, 0x00000002u, 0x000001e7u, 0x0000008au, 0x00000186u, 0x00000074u,
-  0x000001ebu, 0x0000008eu, 0x000001edu, 0x00000090u, 0x000001efu, 0x00000092u,
-  0x000001f1u, 0x00000094u, 0x000001f3u, 0x00000096u, 0x000001f5u, 0x00000098u,
-  0x000001f7u, 0x0000009au, 0x000001f9u, 0x0000009cu, 0x000001a5u, 0x0000007au,
-  0x000001fdu, 0x000000a0u, 0x00000030u, 0x00000014u, 0x00000201u, 0x000000a4u,
-  0x00000203u, 0x000000a6u, 0x00000205u, 0x000000a8u, 0x00000207u, 0x000000aau,
-  0x00000209u, 0x000000acu, 0x0000020bu, 0x000000aeu, 0x0000020du, 0x000000b0u,
-  0x0000020fu, 0x000000b2u, 0x00000211u, 0x000000b4u, 0xffffffffu, 0xffffffffu,
-  0x0000009cu, 0x0000003cu, 0xffffffffu, 0xffffffffu, 0x00000098u, 0x0000003au,
-  0x0000016cu, 0x0000006au, 0xffffffffu, 0xffffffffu, 0x00000269u, 0x000000c2u,
-  0x0000026bu, 0x000000c4u, 0x0000026du, 0x000000c6u, 0x0000026fu, 0x000000c8u,
-  0x00000271u, 0x000000cau, 0x00000273u, 0x000000ccu, 0x00000275u, 0x000000ceu,
-  0x00000277u, 0x000000d0u, 0x00000279u, 0x000000d2u, 0x0000027bu, 0x000000d4u,
-  0x0000027du, 0x000000d6u, 0x0000027fu, 0x000000d8u, 0x00000281u, 0x000000dau,
-  0x00000283u, 0x000000dcu, 0x00000090u, 0x00000036u, 0x00000287u, 0x000000e0u,
-  0x0000005fu, 0x0000001cu, 0x0000028bu, 0x000000e4u, 0x0000028du, 0x000000e6u,
-  0x00000089u, 0x00000032u, 0x000001c3u, 0x0000007eu, 0x00000293u, 0x000000ecu,
-  0x00000062u, 0x0000001eu, 0x000001b1u, 0x0000007cu, 0x00000130u, 0x00000056u,
-  0x0000029bu, 0x000000f4u, 0x00000196u, 0x00000078u, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0x00000081u, 0x0000002eu, 0x00000251u, 0x000000beu,
-  0x00000079u, 0x0000002au, 0x0000029du, 0x000000f6u, 0xffffffffu, 0xffffffffu,
-  0x0000025cu, 0x000000c0u, 0xffffffffu, 0xffffffffu, 0x0000002cu, 0x00000012u,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x000000a4u, 0x00000040u,
-  0xffffffffu, 0xffffffffu, 0x000002b0u, 0x000000f8u, 0xffffffffu, 0xffffffffu,
-  0x000000f9u, 0x0000004eu, 0xffffffffu, 0xffffffffu, 0x0000001cu, 0x0000000eu,
-  0xffffffffu, 0xffffffffu, 0x0000017bu, 0x00000070u, 0x0000000cu, 0x00000006u,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x000001e3u, 0x00000086u,
-  0xffffffffu, 0xffffffffu, 0x000001e5u, 0x00000088u, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0x000001d1u, 0x00000080u, 0x000001e9u, 0x0000008cu,
-  0x0000008cu, 0x00000034u, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0x00000291u, 0x000000eau, 0xffffffffu, 0xffffffffu,
-  0x00000008u, 0x00000004u, 0xffffffffu, 0xffffffffu, 0x00000181u, 0x00000072u,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x00000231u, 0x000000bau,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x000000cau, 0x00000046u,
-  0x00000246u, 0x000000bcu, 0xffffffffu, 0xffffffffu, 0x000001fbu, 0x0000009eu,
-  0x000000d6u, 0x00000048u, 0x00000018u, 0x0000000cu, 0xffffffffu, 0xffffffffu,
-  0x00000159u, 0x00000062u, 0xffffffffu, 0xffffffffu, 0x000000aau, 0x00000042u,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x000000e2u, 0x0000004au,
-  0x00000175u, 0x0000006eu, 0xffffffffu, 0xffffffffu, 0x00000104u, 0x00000050u,
-  0x00000065u, 0x00000020u, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0x000002d2u, 0x000000fcu,
-  0xffffffffu, 0xffffffffu, 0x00000161u, 0x00000066u, 0x00000045u, 0x00000018u,
-  0xffffffffu, 0xffffffffu, 0x00000127u, 0x00000054u, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu, 0xffffffffu,
-  0xffffffffu, 0xffffffffu
-};
-
-const char _nl_C_LC_COLLATE_symbol_strings[732] =
-  "NUL\0" "SOH\0" "STX\0" "ETX\0" "EOT\0" "ENQ\0" "ACK\0" "alert\0"
-  "backspace\0" "tab\0" "newline\0" "vertical-tab\0" "form-feed\0"
-  "carriage-return\0" "SI\0" "SO\0" "DLE\0" "DC1\0" "DC2\0" "DC3\0" "DC4\0"
-  "NAK\0" "SYN\0" "ETB\0" "CAN\0" "EM\0" "SUB\0" "ESC\0" "IS4\0" "IS3\0"
-  "IS2\0" "IS1\0" "space\0" "exclamation-mark\0" "quotation-mark\0"
-  "number-sign\0" "dollar-sign\0" "percent-sign\0" "ampersand\0"
-  "apostrophe\0" "left-parenthesis\0" "right-parenthesis\0" "asterisk\0"
-  "plus-sign\0" "comma\0" "hyphen\0" "period\0" "slash\0" "zero\0" "one\0"
-  "two\0" "three\0" "four\0" "five\0" "six\0" "seven\0" "eight\0" "nine\0"
-  "colon\0" "semicolon\0" "less-than-sign\0" "equals-sign\0"
-  "greater-than-sign\0" "question-mark\0" "commercial-at\0" "A\0" "B\0" "C\0"
-  "D\0" "E\0" "F\0" "G\0" "H\0" "I\0" "J\0" "K\0" "L\0" "M\0" "N\0" "O\0"
-  "P\0" "Q\0" "R\0" "S\0" "T\0" "U\0" "V\0" "W\0" "X\0" "Y\0" "Z\0"
-  "left-square-bracket\0" "backslash\0" "right-square-bracket\0"
-  "circumflex\0" "underscore\0" "grave-accent\0" "a\0" "b\0" "c\0" "d\0" "e\0"
-  "f\0" "g\0" "h\0" "i\0" "j\0" "k\0" "l\0" "m\0" "n\0" "o\0" "p\0" "q\0"
-  "r\0" "s\0" "t\0" "u\0" "v\0" "w\0" "x\0" "y\0" "z\0" "left-curly-bracket\0"
-  "vertical-line\0" "right-curly-bracket\0" "tilde\0" "DEL\0";
-
-const uint32_t _nl_C_LC_COLLATE_symbol_classes[256] =
-{
-  1,   0, 1,   1, 1,   2, 1,   3, 1,   4, 1,   5, 1,   6, 1,   7,
-  1,   8, 1,   9, 1,  10, 1,  11, 1,  12, 1,  13, 1,  14, 1,  15,
-  1,  16, 1,  17, 1,  18, 1,  19, 1,  20, 1,  21, 1,  22, 1,  23,
-  1,  24, 1,  25, 1,  26, 1,  27, 1,  28, 1,  29, 1,  30, 1,  31,
-  1,  32, 1,  33, 1,  34, 1,  35, 1,  36, 1,  37, 1,  38, 1,  39,
-  1,  40, 1,  41, 1,  42, 1,  43, 1,  44, 1,  45, 1,  46, 1,  47,
-  1,  48, 1,  49, 1,  50, 1,  51, 1,  52, 1,  53, 1,  54, 1,  55,
-  1,  56, 1,  57, 1,  58, 1,  59, 1,  60, 1,  61, 1,  62, 1,  63,
-  1,  64, 1,  65, 1,  66, 1,  67, 1,  68, 1,  69, 1,  70, 1,  71,
-  1,  72, 1,  73, 1,  74, 1,  75, 1,  76, 1,  77, 1,  78, 1,  79,
-  1,  80, 1,  81, 1,  82, 1,  83, 1,  84, 1,  85, 1,  86, 1,  87,
-  1,  88, 1,  89, 1,  90, 1,  91, 1,  92, 1,  93, 1,  94, 1,  95,
-  1,  96, 1,  97, 1,  98, 1,  99, 1, 100, 1, 101, 1, 102, 1, 103,
-  1, 104, 1, 105, 1, 106, 1, 107, 1, 108, 1, 109, 1, 110, 1, 111,
-  1, 112, 1, 113, 1, 114, 1, 115, 1, 116, 1, 117, 1, 118, 1, 119,
-  1, 120, 1, 121, 1, 122, 1, 123, 1, 124, 1, 125, 1, 126, 1, 127
-};
-#endif
-
 const struct locale_data _nl_C_LC_COLLATE =
 {
   _nl_C_name,
   NULL, 0, 0, /* no file mapped */
   UNDELETABLE,
-  13,
+  16,
   {
     { word: 0 },
     { string: NULL },
@@ -164,6 +39,9 @@ const struct locale_data _nl_C_LC_COLLATE =
     { string: NULL },
     { string: NULL },
     { string: NULL },
+    { string: NULL },
+    { word: 0 },
+    { string: NULL },
     { string: NULL }
   }
 };
diff --git a/locale/Makefile b/locale/Makefile
index a087d72..9a34847 100644
--- a/locale/Makefile
+++ b/locale/Makefile
@@ -23,7 +23,7 @@ subdir	:= locale
 
 headers		= locale.h langinfo.h xlocale.h
 distribute	= localeinfo.h categories.def iso-639.def iso-3166.def \
-		  iso-4217.def weight.h strlen-hash.h \
+		  iso-4217.def weight.h strlen-hash.h elem-hash.h \
 		  $(addprefix programs/, \
 			      locale.c localedef.c \
 			      $(localedef-modules:=.c) $(locale-modules:=.c) \
diff --git a/locale/categories.def b/locale/categories.def
index 7ebb853..e055d74 100644
--- a/locale/categories.def
+++ b/locale/categories.def
@@ -42,19 +42,22 @@ DEFINE_CATEGORY
 (
  LC_COLLATE, "LC_COLLATE",
  (
-  DEFINE_ELEMENT (_NL_COLLATE_NRULES,         "collate-nrules",           std, word)
-  DEFINE_ELEMENT (_NL_COLLATE_RULESETS,       "collate-rulesets",         std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_TABLEMB,        "collate-tablemb",          std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_WEIGHTMB,       "collate-weightmb",         std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_EXTRAMB,        "collate-extramb",          std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_INDIRECTMB,     "collate-indirectmb",       std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_HASH_SIZE,      "collate-hash-size",        std, word)
-  DEFINE_ELEMENT (_NL_COLLATE_HASH_LAYERS,    "collate-hash-layers",      std, word)
-  DEFINE_ELEMENT (_NL_COLLATE_NAMES,          "collate-names",            std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_TABLEWC,        "collate-tablewc",          std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_WEIGHTWC,       "collate-weightwc",         std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_EXTRAWC,        "collate-extrawc",          std, string)
-  DEFINE_ELEMENT (_NL_COLLATE_INDIRECTWC,     "collate-indirectwc",       std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_NRULES,           "collate-nrules",           std, word)
+  DEFINE_ELEMENT (_NL_COLLATE_RULESETS,         "collate-rulesets",         std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_TABLEMB,          "collate-tablemb",          std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_WEIGHTMB,         "collate-weightmb",         std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_EXTRAMB,          "collate-extramb",          std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_INDIRECTMB,       "collate-indirectmb",       std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_HASH_SIZE,        "collate-hash-size",        std, word)
+  DEFINE_ELEMENT (_NL_COLLATE_HASH_LAYERS,      "collate-hash-layers",      std, word)
+  DEFINE_ELEMENT (_NL_COLLATE_NAMES,            "collate-names",            std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_TABLEWC,          "collate-tablewc",          std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_WEIGHTWC,         "collate-weightwc",         std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_EXTRAWC,          "collate-extrawc",          std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_INDIRECTWC,       "collate-indirectwc",       std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_SYMB_HASH_SIZEMB, "collate-symb-hash-sizemb", std, word)
+  DEFINE_ELEMENT (_NL_COLLATE_SYMB_TABLEMB,     "collate-symb-tablemb",     std, string)
+  DEFINE_ELEMENT (_NL_COLLATE_SYMB_EXTRAMB,     "collate-symb-extramb",     std, string)
   ), NO_POSTLOAD)
 
 
diff --git a/locale/elem-hash.h b/locale/elem-hash.h
new file mode 100644
index 0000000..0529214
--- /dev/null
+++ b/locale/elem-hash.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Written by Ulrich Drepper, <drepper@cygnus.com>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+
+/* The hashing function used for the table with collation symbols.  */
+static inline int32_t
+elem_hash (const char *str, int_fast32_t n)
+{
+  int32_t result = n;
+
+  while (n > 0)
+    {
+      n <<= 3;
+      n += *str++;
+    }
+
+  return result;
+}
diff --git a/locale/langinfo.h b/locale/langinfo.h
index e46fc65..8ba42fa 100644
--- a/locale/langinfo.h
+++ b/locale/langinfo.h
@@ -243,6 +243,9 @@ enum
   _NL_COLLATE_WEIGHTWC,
   _NL_COLLATE_EXTRAWC,
   _NL_COLLATE_INDIRECTWC,
+  _NL_COLLATE_SYMB_HASH_SIZEMB,
+  _NL_COLLATE_SYMB_TABLEMB,
+  _NL_COLLATE_SYMB_EXTRAMB,
   _NL_NUM_LC_COLLATE,
 
   /* LC_CTYPE category: character classification.
diff --git a/locale/programs/ld-collate.c b/locale/programs/ld-collate.c
index 3eff699..8eb47d7 100644
--- a/locale/programs/ld-collate.c
+++ b/locale/programs/ld-collate.c
@@ -25,12 +25,14 @@
 #include <error.h>
 #include <stdlib.h>
 #include <wchar.h>
+#include <sys/param.h>
 
 #include "charmap.h"
 #include "localeinfo.h"
 #include "linereader.h"
 #include "locfile.h"
 #include "localedef.h"
+#include "elem-hash.h"
 
 /* Uncomment the following line in the production version.  */
 /* #define NDEBUG 1 */
@@ -88,11 +90,13 @@ struct element_t
      we changed if necessary but I doubt this is necessary.  */
   unsigned int used_in_level;
 
+  struct element_list_t *weights;
+  /* Index in the `weight' table in the output file for the character.  */
+  int32_t weights_idx;
+
   /* Nonzero if this is a real character definition.  */
   int is_character;
 
-  struct element_list_t *weights;
-
   /* Where does the definition come from.  */
   const char *file;
   size_t line;
@@ -297,6 +301,7 @@ new_element (struct locale_collate_t *collate, const char *mbs, size_t mbslen,
 
   /* Will be allocated later.  */
   newp->weights = NULL;
+  newp->weights_idx = 0;
 
   newp->file = NULL;
   newp->line = 0;
@@ -1804,6 +1809,9 @@ output_weight (struct obstack *pool, struct locale_collate_t *collate,
       obstack_grow (pool, buf, len);
     }
 
+  /* Remember the index.  */
+  elem->weights_idx = retval;
+
   return retval | ((elem->section->ruleidx & 0x7f) << 24);
 }
 
@@ -1866,7 +1874,10 @@ collate_output (struct localedef_t *locale, struct charmap_t *charmap,
   uint32_t *names;
   uint32_t *tablewc;
   size_t table_size;
+  uint32_t elem_size;
+  uint32_t *elem_table;
   int i;
+  struct element_t *runp;
 
   data.magic = LIMAGIC (LC_COLLATE);
   data.n = nelems;
@@ -2381,6 +2392,110 @@ collate_output (struct localedef_t *locale, struct charmap_t *charmap,
   ++cnt;
 
 
+  /* Finally write the table with collation element names out.  It is
+     a hash table with a simple function which gets the name of the
+     character as the input.  One character might have many names.  The
+     value associated with the name is an index into the weight table
+     where we are then interested in the first-level weight value.
+
+     To determine how large the table should be we are counting the
+     elements have to put in.  Since we are using internal chaining
+     using a secondary hash function we have to make the table a bit
+     larger to avoid extremely long search times.  We can achieve
+     good results with a 40% larger table than there are entries.  */
+  elem_size = 0;
+  runp = collate->start;
+  while (runp != NULL)
+    {
+      if (runp->mbs != NULL && runp->weights != NULL)
+	/* Yep, the element really counts.  */
+	++elem_size;
+
+      runp = runp->next;
+    }
+  /* Add 40% and find the next prime number.  */
+  elem_size = MIN (next_prime (elem_size * 1.4), 257);
+
+  /* Allocate the table.  Each entry consists of two words: the hash
+     value and an index in a secondary table which provides the index
+     into the weight table and the string itself (so that a match can
+     be determined).  */
+  elem_table = (uint32_t *) obstack_alloc (&extrapool,
+					   elem_size * 2 * sizeof (uint32_t));
+  memset (elem_table, '\0', elem_size * 2 * sizeof (uint32_t));
+
+  /* Now add the elements.  */
+  runp = collate->start;
+  while (runp != NULL)
+    {
+      if (runp->mbs != NULL && runp->weights != NULL)
+	{
+	  /* Compute the hash value of the name.  */
+	  uint32_t namelen = strlen (runp->name);
+	  uint32_t hash = elem_hash (runp->name, namelen);
+	  size_t idx = hash % elem_size;
+
+	  if (elem_table[idx * 2] != 0)
+	    {
+	      /* The spot is already take.  Try iterating using the value
+		 from the secondary hashing function.  */
+	      size_t iter = hash % (elem_size - 2);
+
+	      do
+		{
+		  idx += iter;
+		  if (idx >= elem_size)
+		    idx -= elem_size;
+		}
+	      while (elem_table[idx * 2] != 0);
+
+	      /* This is the spot where we will insert the value.  */
+	      elem_table[idx * 2] = hash;
+	      elem_table[idx * 2 + 1] = obstack_object_size (&extrapool);
+
+	      /* Now add the index into the weights table.  We know the
+		 address is always 32bit aligned.  */
+	      if (sizeof (int) == sizeof (int32_t))
+		obstack_int_grow (&extrapool, runp->weights_idx);
+	      else
+		obstack_grow (&extrapool, &runp->weights_idx,
+			      sizeof (int32_t));
+
+	      /* The the string itself including length.  */
+	      obstack_1grow (&extrapool, namelen);
+	      obstack_grow (&extrapool, runp->name, namelen);
+
+	      /* And align again to 32 bits.  */
+	      if ((1 + namelen) % sizeof (int32_t) != 0)
+		obstack_grow (&extrapool, "\0\0",
+			      (sizeof (int32_t)
+			       - (1 + namelen) % sizeof (int32_t)));
+	    }
+	}
+
+      runp = runp->next;
+    }
+
+  /* Prepare to write out this data.  */
+  assert (cnt == _NL_ITEM_INDEX (_NL_COLLATE_SYMB_HASH_SIZEMB));
+  iov[2 + cnt].iov_base = &elem_size;
+  iov[2 + cnt].iov_len = sizeof (int32_t);
+  idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
+  ++cnt;
+
+  assert (cnt == _NL_ITEM_INDEX (_NL_COLLATE_SYMB_TABLEMB));
+  iov[2 + cnt].iov_base = elem_table;
+  iov[2 + cnt].iov_len = elem_size * 2 * sizeof (int32_t);
+  idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
+  ++cnt;
+
+  assert (cnt == _NL_ITEM_INDEX (_NL_COLLATE_SYMB_EXTRAMB));
+  iov[2 + cnt].iov_len = obstack_object_size (&extrapool);
+  iov[2 + cnt].iov_base = obstack_finish (&extrapool);
+  idx[1 + cnt] = idx[cnt] + iov[2 + cnt].iov_len;
+  ++cnt;
+
+
   assert (cnt == _NL_ITEM_INDEX (_NL_NUM_LC_COLLATE));
 
   write_locale_data (output_path, "LC_COLLATE", 2 + cnt, iov);
diff --git a/posix/regex.c b/posix/regex.c
index e1a6917..a59f5d4 100644
--- a/posix/regex.c
+++ b/posix/regex.c
@@ -82,6 +82,7 @@
 
 /* We are also using some library internals.  */
 # include <locale/localeinfo.h>
+# include <locale/elem-hash.h>
 # include <langinfo.h>
 #endif
 
@@ -2378,12 +2379,13 @@ regex_compile (pattern, size, syntax, bufp)
                         had_char_class = false;
                       }
                   }
-#ifdef _LIBC
                 else if (syntax & RE_CHAR_CLASSES && c == '[' && *p == '=')
 		  {
 		    unsigned char str[MB_LEN_MAX + 1];
+#ifdef _LIBC
 		    uint32_t nrules =
 		      _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
+#endif
 
 		    PATFETCH (c);
 		    c1 = 0;
@@ -2412,7 +2414,9 @@ regex_compile (pattern, size, syntax, bufp)
 			   character set and therefore we cannot have character
 			   with more than one byte in the multibyte
 			   representation.  */
+#ifdef _LIBC
 			if (nrules == 0)
+#endif
 			  {
 			    if (c1 != 1)
 			      FREE_STACK_RETURN (REG_ECOLLATE);
@@ -2424,6 +2428,7 @@ regex_compile (pattern, size, syntax, bufp)
 			    /* Set the bit for the character.  */
 			    SET_LIST_BIT (str[0]);
 			  }
+#ifdef _LIBC
 			else
 			  {
 			    /* Try to match the byte sequence in `str' against
@@ -2495,8 +2500,168 @@ regex_compile (pattern, size, syntax, bufp)
 				    }
 				}
 			  }
+#endif
 			had_char_class = true;
 		      }
+		  }
+                else if (syntax & RE_CHAR_CLASSES && c == '[' && *p == '.')
+		  {
+		    unsigned char str[128];	/* Should be large enough.  */
+#ifdef _LIBC
+		    uint32_t nrules =
+		      _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
+#endif
+
+		    PATFETCH (c);
+		    c1 = 0;
+
+		    /* If pattern is `[[='.  */
+		    if (p == pend) FREE_STACK_RETURN (REG_EBRACK);
+
+		    for (;;)
+		      {
+			PATFETCH (c);
+			if ((c == '.' && *p == ']') || p == pend)
+			  break;
+			if (c1 < sizeof (str))
+			  str[c1++] = c;
+			else
+			  /* This is in any case an invalid class name.  */
+			  str[0] = '\0';
+                      }
+		    str[c1] = '\0';
+
+		    if (c == '.' && *p == ']' && str[0] != '\0')
+		      {
+			/* If we have no collation data we use the default
+			   collation in which each character is the name
+			   for its own class which contains only the one
+			   character.  It also means that ASCII is the
+			   character set and therefore we cannot have character
+			   with more than one byte in the multibyte
+			   representation.  */
+#ifdef _LIBC
+			if (nrules == 0)
+#endif
+			  {
+			    if (c1 != 1)
+			      FREE_STACK_RETURN (REG_ECOLLATE);
+
+			    /* Throw away the ] at the end of the equivalence
+			       class.  */
+			    PATFETCH (c);
+
+			    /* Set the bit for the character.  */
+			    SET_LIST_BIT (str[0]);
+			  }
+#ifdef _LIBC
+			else
+			  {
+			    /* Try to match the byte sequence in `str' against
+			       those known to the collate implementation.
+			       First find out whether the bytes in `str' are
+			       actually from exactly one character.  */
+			    const unsigned char *weights;
+			    int32_t table_size;
+			    const int32_t *table;
+			    const int32_t *symb_table;
+			    const unsigned char *extra;
+			    int32_t idx;
+			    int32_t elem;
+			    const unsigned char *cp = str;
+			    int32_t weight;
+			    int32_t second;
+			    int32_t hash;
+			    int ch;
+
+			    table = (const int32_t *)
+			      _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
+			    weights = (const unsigned char *)
+			      _NL_CURRENT (LC_COLLATE, _NL_COLLATE_WEIGHTMB);
+			    table_size =
+			      _NL_CURRENT_WORD (LC_COLLATE,
+						_NL_COLLATE_SYMB_HASH_SIZEMB);
+			    symb_table = (const int32_t *)
+			      _NL_CURRENT (LC_COLLATE,
+					   _NL_COLLATE_SYMB_TABLEMB);
+			    extra = (const unsigned char *)
+			      _NL_CURRENT (LC_COLLATE,
+					   _NL_COLLATE_SYMB_EXTRAMB);
+
+			    /* Locate the character in the hashing table.  */
+			    hash = elem_hash (str, c1);
+
+			    idx = 0;
+			    elem = hash % table_size;
+			    second = hash % (table_size - 2);
+			    while (symb_table[2 * elem] != 0)
+			      {
+				/* First compare the hashing value.  */
+				if (symb_table[2 * elem] == hash
+				    && (c1 == extra[symb_table[2 * elem + 1]
+						   + sizeof (int32_t)])
+				    && memcmp (str,
+					       &extra[symb_table[2 * elem + 1]
+						     + sizeof (int32_t) + 1],
+					       c1) == 0)
+				  {
+				    /* Yep, this is the entry.  */
+				    idx = *((int32_t *)
+					    (extra
+					     + symb_table[2 * elem + 1]));
+				    break;
+				  }
+
+				/* Next entry.  */
+				elem += second;
+			      }
+
+			    if (symb_table[2 * elem] == 0)
+			      /* This is no valid character.  */
+			      FREE_STACK_RETURN (REG_ECOLLATE);
+
+			    /* Throw away the ] at the end of the equivalence
+			       class.  */
+			    PATFETCH (c);
+
+			    /* Now we have to go throught the whole table
+			       and find all characters which have the same
+			       first level weight.
+
+			       XXX Note that this is not entirely correct.
+			       we would have to match multibyte sequences
+			       but this is not possible with the current
+			       implementation.  */
+			    for (ch = 1; ch < 256; ++ch)
+			      /* XXX This test would have to be changed if we
+				 would allow matching multibyte sequences.  */
+			      if (table[ch] > 0)
+				{
+				  int32_t idx2 = table[ch];
+				  size_t len = weights[idx2];
+
+				  /* Test whether the lenghts match.  */
+				  if (weights[idx] == len)
+				    {
+				      /* They do.  New compare the bytes of
+					 the weight.  */
+				      size_t cnt = 0;
+
+				      while (cnt < len
+					     && (weights[idx + 1 + cnt]
+						 == weights[idx2 + 1 + cnt]))
+					++len;
+
+				      if (cnt == len)
+					/* They match.  Mark the character as
+					   acceptable.  */
+					SET_LIST_BIT (ch);
+				    }
+				}
+			  }
+#endif
+			had_char_class = false;
+		      }
                     else
                       {
                         c1++;
@@ -2507,7 +2672,6 @@ regex_compile (pattern, size, syntax, bufp)
                         had_char_class = false;
                       }
 		  }
-#endif
                 else
                   {
                     had_char_class = false;