* locale/lc-time.c (_nl_init_era_entries, _nl_get_era_entry,

	_nl_select_era_entry): Moved to ...
	* time/era.c: ... here, new file.
	(_nl_init_era_entries, _nl_get_era_entry, _nl_select_era_entry):
	Add internal_function to definitions.  Take an additional argument
	giving the `struct locale_data *' to use.
	* locale/lc-time.c (_get_alt_digit, _nl_get_walt_digit,
	_nl_parse_alt_digit): Moved to ...
	* time/alt_digit.c: ... here, new file.
	* time/lc-time-cleanup.c: New file.
	* locale/lc-time.c (_nl_postload_time, free_mem): Functions removed.
	* locale/localeinfo.h (_nl_postload_time): Remove decl.
	(_nl_cleanup_time): Declare it.
	(_nl_get_era_entry, _nl_select_era_entry): Update decls.
	(_get_alt_digit, _nl_get_walt_digit, _nl_parse_alt_digit): Likewise.
	* time/Makefile (aux): New variable: era, alt_digit, lc-time-cleanup.
	* time/strftime.c: Pass locale data to helper functions.
	* time/strptime.c: Likewise.

	* locale/localeinfo.h (struct locale_data): New member `private'
	* locale/loadlocale.c (_nl_intern_locale_data): Initialize it.
	(_nl_unload_locale): Call LOCALE->private.cleanup if it is set.
	* locale/C-collate.c: Update initializer.
	* locale/C-identification.c: Likewise.
	* locale/C-measurement.c: Likewise.
	* locale/C-telephone.c: Likewise.
	* locale/C-address.c: Likewise.
	* locale/C-name.c: Likewise.
	* locale/C-paper.c: Likewise.
	* locale/C-time.c: Likewise.
	* locale/C-numeric.c: Likewise.
	* locale/C-monetary.c: Likewise.
	* locale/C-messages.c : Likewise.
	* locale/C-ctype.c: Likewise.

	* time/strptime.c [USE_IN_EXTENDED_LOCALE_MODEL] (_NL_CURRENT_WORD):
	Redefine this too.

15 files changed, 74 insertions, 317 deletions

diff --git a/locale/C-address.c b/locale/C-address.c
index 78b5a28..2c6a088 100644
--- a/locale/C-address.c
+++ b/locale/C-address.c
@@ -27,7 +27,8 @@
 const struct locale_data _nl_C_LC_ADDRESS attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   13,
diff --git a/locale/C-collate.c b/locale/C-collate.c
index f6db63f..f5a61f2 100644
--- a/locale/C-collate.c
+++ b/locale/C-collate.c
@@ -101,7 +101,8 @@ static const uint32_t collseqwc[] =
 const struct locale_data _nl_C_LC_COLLATE attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   19,
diff --git a/locale/C-ctype.c b/locale/C-ctype.c
index 5723484..c65c345 100644
--- a/locale/C-ctype.c
+++ b/locale/C-ctype.c
@@ -541,7 +541,8 @@ typedef int assertion1[1 - 2 * (NR_FIXED != _NL_ITEM_INDEX (_NL_CTYPE_EXTRA_MAP_
 const struct locale_data _nl_C_LC_CTYPE attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0,	/* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   1,		/* Enable transliteration by default.  */
   NR_FIXED + NR_CLASSES + NR_MAPS,
diff --git a/locale/C-identification.c b/locale/C-identification.c
index 542b33c..1aceca0 100644
--- a/locale/C-identification.c
+++ b/locale/C-identification.c
@@ -27,7 +27,8 @@
 const struct locale_data _nl_C_LC_IDENTIFICATION attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   16,
diff --git a/locale/C-measurement.c b/locale/C-measurement.c
index 0a9c983..7b1fcac 100644
--- a/locale/C-measurement.c
+++ b/locale/C-measurement.c
@@ -27,7 +27,8 @@
 const struct locale_data _nl_C_LC_MEASUREMENT attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   2,
diff --git a/locale/C-messages.c b/locale/C-messages.c
index f446e3d..63f0c38 100644
--- a/locale/C-messages.c
+++ b/locale/C-messages.c
@@ -27,7 +27,8 @@
 const struct locale_data _nl_C_LC_MESSAGES attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   5,
diff --git a/locale/C-monetary.c b/locale/C-monetary.c
index 643a1c4..ce359e5 100644
--- a/locale/C-monetary.c
+++ b/locale/C-monetary.c
@@ -31,7 +31,8 @@ static const char not_available[] = "\177";
 const struct locale_data _nl_C_LC_MONETARY attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   46,
diff --git a/locale/C-name.c b/locale/C-name.c
index 7e714b3..bea6e85 100644
--- a/locale/C-name.c
+++ b/locale/C-name.c
@@ -27,7 +27,8 @@
 const struct locale_data _nl_C_LC_NAME attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   7,
diff --git a/locale/C-numeric.c b/locale/C-numeric.c
index 1171a4b..3c53486 100644
--- a/locale/C-numeric.c
+++ b/locale/C-numeric.c
@@ -24,7 +24,8 @@
 const struct locale_data _nl_C_LC_NUMERIC attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   6,
diff --git a/locale/C-paper.c b/locale/C-paper.c
index 62d1a7d..1a602a6 100644
--- a/locale/C-paper.c
+++ b/locale/C-paper.c
@@ -27,7 +27,8 @@
 const struct locale_data _nl_C_LC_PAPER attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   3,
diff --git a/locale/C-telephone.c b/locale/C-telephone.c
index abd667e..4bd81e7 100644
--- a/locale/C-telephone.c
+++ b/locale/C-telephone.c
@@ -27,7 +27,8 @@
 const struct locale_data _nl_C_LC_TELEPHONE attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   5,
diff --git a/locale/C-time.c b/locale/C-time.c
index b50fea5..f638f94 100644
--- a/locale/C-time.c
+++ b/locale/C-time.c
@@ -26,7 +26,8 @@
 const struct locale_data _nl_C_LC_TIME attribute_hidden =
 {
   _nl_C_name,
-  NULL, 0, 0, /* no file mapped */
+  NULL, 0, 0,			/* no file mapped */
+  { NULL, },			/* no cached data */
   UNDELETABLE,
   0,
   111,
diff --git a/locale/lc-time.c b/locale/lc-time.c
index 161a6a5..fa45066 100644
--- a/locale/lc-time.c
+++ b/locale/lc-time.c
@@ -17,305 +17,6 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <bits/libc-lock.h>
-#include <endian.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <wchar.h>
 #include "localeinfo.h"
 
 _NL_CURRENT_DEFINE (LC_TIME);
-
-/* Some of the functions here must not be used while setlocale is called.  */
-__libc_lock_define (extern, __libc_setlocale_lock attribute_hidden)
-
-
-static int era_initialized;
-
-static struct era_entry *eras;
-static size_t num_eras;
-static int alt_digits_initialized;
-static const char **alt_digits;
-
-
-static int walt_digits_initialized;
-static const wchar_t **walt_digits;
-
-
-void
-_nl_postload_time (void)
-{
-  /* Prepare lazy initialization of `era' and `alt_digits' array.  */
-  era_initialized = 0;
-  alt_digits_initialized = 0;
-  walt_digits_initialized = 0;
-}
-
-#define ERA_DATE_CMP(a, b) \
-  (a[0] < b[0] || (a[0] == b[0] && (a[1] < b[1]				      \
-				    || (a[1] == b[1] && a[2] <= b[2]))))
-
-static void
-_nl_init_era_entries (void)
-{
-  size_t cnt;
-
-  __libc_lock_lock (__libc_setlocale_lock);
-
-  if (era_initialized == 0)
-    {
-      size_t new_num_eras = _NL_CURRENT_WORD (LC_TIME,
-					      _NL_TIME_ERA_NUM_ENTRIES);
-      if (new_num_eras == 0)
-	{
-	  free (eras);
-	  eras = NULL;
-	}
-      else
-	{
-	  struct era_entry *new_eras = eras;
-
-	  if (num_eras != new_num_eras)
-	    new_eras =
-	      (struct era_entry *) realloc (eras,
-					    new_num_eras
-					    * sizeof (struct era_entry));
-	  if (new_eras == NULL)
-	    {
-	      free (eras);
-	      num_eras = 0;
-	      eras = NULL;
-	    }
-          else
-	    {
-	      const char *ptr = _NL_CURRENT (LC_TIME, _NL_TIME_ERA_ENTRIES);
-	      num_eras = new_num_eras;
-	      eras = new_eras;
-
-	      for (cnt = 0; cnt < num_eras; ++cnt)
-		{
-		  const char *base_ptr = ptr;
-		  memcpy ((void *) (eras + cnt), (const void *) ptr,
-			  sizeof (uint32_t) * 8);
-
-		  if (ERA_DATE_CMP(eras[cnt].start_date,
-				   eras[cnt].stop_date))
-		    if (eras[cnt].direction == (uint32_t) '+')
-		      eras[cnt].absolute_direction = 1;
-		    else
-		      eras[cnt].absolute_direction = -1;
-		  else
-		    if (eras[cnt].direction == (uint32_t) '+')
-		      eras[cnt].absolute_direction = -1;
-		    else
-		      eras[cnt].absolute_direction = 1;
-
-		  /* Skip numeric values.  */
-		  ptr += sizeof (uint32_t) * 8;
-
-		  /* Set and skip era name.  */
-		  eras[cnt].era_name = ptr;
-		  ptr = strchr (ptr, '\0') + 1;
-
-		  /* Set and skip era format.  */
-		  eras[cnt].era_format = ptr;
-		  ptr = strchr (ptr, '\0') + 1;
-
-		  ptr += 3 - (((ptr - (const char *) base_ptr) + 3) & 3);
-
-		  /* Set and skip wide era name.  */
-		  eras[cnt].era_wname = (wchar_t *) ptr;
-		  ptr = (char *) (wcschr ((wchar_t *) ptr, L'\0') + 1);
-
-		  /* Set and skip wide era format.  */
-		  eras[cnt].era_wformat = (wchar_t *) ptr;
-		  ptr = (char *) (wcschr ((wchar_t *) ptr, L'\0') + 1);
-		}
-	    }
-	}
-
-      era_initialized = 1;
-    }
-
-  __libc_lock_unlock (__libc_setlocale_lock);
-}
-
-
-struct era_entry *
-_nl_get_era_entry (const struct tm *tp)
-{
-  struct era_entry *result;
-  int32_t tdate[3];
-  size_t cnt;
-
-  tdate[0] = tp->tm_year;
-  tdate[1] = tp->tm_mon;
-  tdate[2] = tp->tm_mday;
-
-  if (era_initialized == 0)
-    _nl_init_era_entries ();
-
-  /* Now compare date with the available eras.  */
-  for (cnt = 0; cnt < num_eras; ++cnt)
-    if ((ERA_DATE_CMP(eras[cnt].start_date, tdate)
-	 && ERA_DATE_CMP(tdate, eras[cnt].stop_date))
-	|| (ERA_DATE_CMP(eras[cnt].stop_date, tdate)
-	    && ERA_DATE_CMP(tdate, eras[cnt].start_date)))
-      break;
-
-  result = cnt < num_eras ? &eras[cnt] : NULL;
-
-  return result;
-}
-
-
-struct era_entry *
-_nl_select_era_entry (int cnt)
-{
-  if (era_initialized == 0)
-    _nl_init_era_entries ();
-
-  return &eras[cnt];
-}
-
-
-const char *
-_nl_get_alt_digit (unsigned int number)
-{
-  const char *result;
-
-  __libc_lock_lock (__libc_setlocale_lock);
-
-  if (alt_digits_initialized == 0)
-    {
-      alt_digits_initialized = 1;
-
-      if (alt_digits == NULL)
-	alt_digits = malloc (100 * sizeof (const char *));
-
-      if (alt_digits != NULL)
-	{
-	  const char *ptr = _NL_CURRENT (LC_TIME, ALT_DIGITS);
-	  size_t cnt;
-
-	  if (alt_digits != NULL)
-	    for (cnt = 0; cnt < 100; ++cnt)
-	      {
-		alt_digits[cnt] = ptr;
-
-		/* Skip digit format. */
-		ptr = strchr (ptr, '\0') + 1;
-	      }
-	}
-    }
-
-  result = alt_digits != NULL && number < 100 ? alt_digits[number] : NULL;
-
-  __libc_lock_unlock (__libc_setlocale_lock);
-
-  return result;
-}
-
-
-const wchar_t *
-_nl_get_walt_digit (unsigned int number)
-{
-  const wchar_t *result;
-
-  __libc_lock_lock (__libc_setlocale_lock);
-
-  if (walt_digits_initialized == 0)
-    {
-      walt_digits_initialized = 1;
-
-      if (walt_digits == NULL)
-	walt_digits = malloc (100 * sizeof (const uint32_t *));
-
-      if (walt_digits != NULL)
-	{
-	  const wchar_t *ptr = _NL_CURRENT_WSTR (LC_TIME, _NL_WALT_DIGITS);
-	  size_t cnt;
-
-	  for (cnt = 0; cnt < 100; ++cnt)
-	    {
-	      walt_digits[cnt] = ptr;
-
-	      /* Skip digit format. */
-	      ptr = wcschr (ptr, L'\0') + 1;
-	    }
-	}
-    }
-
-  result = walt_digits != NULL && number < 100 ? walt_digits[number] : NULL;
-
-  __libc_lock_unlock (__libc_setlocale_lock);
-
-  return (wchar_t *) result;
-}
-
-
-int
-_nl_parse_alt_digit (const char **strp)
-{
-  const char *str = *strp;
-  int result = -1;
-  size_t cnt;
-  size_t maxlen = 0;
-
-  __libc_lock_lock (__libc_setlocale_lock);
-
-  if (alt_digits_initialized == 0)
-    {
-      alt_digits_initialized = 1;
-
-      if (alt_digits == NULL)
-	alt_digits = malloc (100 * sizeof (const char *));
-
-      if (alt_digits != NULL)
-	{
-	  const char *ptr = _NL_CURRENT (LC_TIME, ALT_DIGITS);
-
-	  if (alt_digits != NULL)
-	    for (cnt = 0; cnt < 100; ++cnt)
-	      {
-		alt_digits[cnt] = ptr;
-
-		/* Skip digit format. */
-		ptr = strchr (ptr, '\0') + 1;
-	      }
-	}
-    }
-
-  /* Matching is not unambiguos.  The alternative digits could be like
-     I, II, III, ... and the first one is a substring of the second
-     and third.  Therefore we must keep on searching until we found
-     the longest possible match.  Note that this is not specified in
-     the standard.  */
-  for (cnt = 0; cnt < 100; ++cnt)
-    {
-      size_t len = strlen (alt_digits[cnt]);
-
-      if (len > maxlen && strncmp (alt_digits[cnt], str, len) == 0)
-	{
-	  maxlen = len;
-	  result = (int) cnt;
-	}
-    }
-
-  __libc_lock_unlock (__libc_setlocale_lock);
-
-  if (result != -1)
-    *strp += maxlen;
-
-  return result;
-}
-
-
-static void
-free_mem (void)
-{
-  free (alt_digits);
-  free (walt_digits);
-}
-text_set_element (__libc_subfreeres, free_mem);
diff --git a/locale/loadlocale.c b/locale/loadlocale.c
index ebf25f3..32faad5 100644
--- a/locale/loadlocale.c
+++ b/locale/loadlocale.c
@@ -99,6 +99,8 @@ _nl_intern_locale_data (int category, const void *data, size_t datasize)
 
   newdata->filedata = (void *) filedata;
   newdata->filesize = datasize;
+  newdata->private.data = NULL;
+  newdata->private.cleanup = NULL;
   newdata->usage_count = 0;
   newdata->use_translit = 0;
   newdata->nstrings = filedata->nstrings;
@@ -251,6 +253,9 @@ void
 internal_function
 _nl_unload_locale (struct locale_data *locale)
 {
+  if (locale->private.cleanup)
+    (*locale->private.cleanup) (locale);
+
   switch (__builtin_expect (locale->alloc, ld_mapped))
     {
     case ld_malloced:
diff --git a/locale/localeinfo.h b/locale/localeinfo.h
index 4e8c86e..186aa71 100644
--- a/locale/localeinfo.h
+++ b/locale/localeinfo.h
@@ -54,6 +54,19 @@ struct locale_data
     ld_archive			/* Both point into mmap'd archive regions.  */
   } alloc;
 
+  /* This provides a slot for category-specific code to cache data computed
+     about this locale.  That code can set a cleanup function to deallocate
+     the data.  */
+  struct
+  {
+    void (*cleanup) (struct locale_data *) internal_function;
+    union
+    {
+      void *data;
+      struct lc_time_data *time;
+    };
+  } private;
+
   unsigned int usage_count;	/* Counter for users.  */
 
   int use_translit;		/* Nonzero if the mb*towv*() and wc*tomb()
@@ -124,6 +137,19 @@ struct era_entry
      -1 indicates that year number is higher in the past. (like B.C.)  */
 };
 
+/* Structure caching computed data about information from LC_TIME.
+   The `private.time' member of `struct locale_data' points to this.  */
+struct lc_time_data
+{
+  struct era_entry *eras;
+  size_t num_eras;
+  int era_initialized;
+
+  const char **alt_digits;
+  const wchar_t **walt_digits;
+  int alt_digits_initialized, walt_digits_initialized;
+};
+
 
 /* LC_CTYPE specific:
    Hardwired indices for standard wide character translation mappings.  */
@@ -303,23 +329,36 @@ extern struct locale_data *_nl_intern_locale_data (int category,
 
 
 /* Return `era' entry which corresponds to TP.  Used in strftime.  */
-extern struct era_entry *_nl_get_era_entry (const struct tm *tp);
+extern struct era_entry *_nl_get_era_entry (const struct tm *tp,
+					    struct locale_data *lc_time)
+     internal_function attribute_hidden;
 
 /* Return `era' cnt'th entry .  Used in strptime.  */
-extern struct era_entry *_nl_select_era_entry (int cnt);
+extern struct era_entry *_nl_select_era_entry (int cnt,
+					       struct locale_data *lc_time)
+          internal_function attribute_hidden;
 
 /* Return `alt_digit' which corresponds to NUMBER.  Used in strftime.  */
-extern const char *_nl_get_alt_digit (unsigned int number);
+extern const char *_nl_get_alt_digit (unsigned int number,
+				      struct locale_data *lc_time)
+          internal_function attribute_hidden;
 
 /* Similar, but now for wide characters.  */
-extern const wchar_t *_nl_get_walt_digit (unsigned int number);
+extern const wchar_t *_nl_get_walt_digit (unsigned int number,
+					  struct locale_data *lc_time)
+     internal_function attribute_hidden;
 
 /* Parse string as alternative digit and return numeric value.  */
-extern int _nl_parse_alt_digit (const char **strp);
+extern int _nl_parse_alt_digit (const char **strp,
+				struct locale_data *lc_time)
+     internal_function attribute_hidden;
 
 /* Postload processing.  */
 extern void _nl_postload_ctype (void);
-extern void _nl_postload_time (void);
+
+/* Functions used for the `private.cleanup' hook.  */
+extern void _nl_cleanup_time (struct locale_data *)
+     internal_function attribute_hidden;
 
 
 #endif	/* localeinfo.h */