* locale/loadarchive.c (_nl_load_locale_from_archive): Parse locale

	name to find codeset name (if any) and normalize it.  If the
	normalized name differs, look up only that in the archive.
	* locale/programs/locarchive.c (add_locale_to_archive): If the name
	contains a codeset, normalize the codeset store only the normalized
	name in the archive.  If not, add an alias containing the locale's
	normalized codeset name.  Apply codeset name normalization when
	matching entries in the alias file.

	* locale/programs/locarchive.c (delete_locales_from_archive): Don't
	decrement HEAD->namehash_used here.
	(add_locale): Only need to insert name string when name_offset != 0.

	* locale/programs/localedef.c (options): Add -A/--alias-file.
	(alias_file): New variable.
	(parse_opt): Grok -A, set that.
	* locale/programs/localedef.h: Declare it.

	* locale/programs/locarchive.c (insert_name): New function, broken out
	of ...
	(add_locale_to_archive): ... here.  Call that.
	(add_alias): New function.
	(add_locale): New static function, add_locale_to_archive renamed.
	(add_locale_to_archive): Call that and use add_alias to add an alias
	for the name with codeset if the given name lacks it.
	(enlarge_archive): Call add_locale instead of add_locale_to_archive.

	* locale/Makefile (routines): Add loadarchive.
	* locale/loadarchive.c: New file, started from code by Ulrich Drepper.
	(_nl_load_locale_from_archive): New function.
	* locale/localeinfo.h: Declare it.
	* locale/findlocale.c (_nl_find_locale): If using default locale path,
	try _nl_load_locale_from_archive first.

	* locale/loadlocale.c (_nl_intern_locale_data): New function,
	broken out of _nl_load_locale.
	(_nl_load_locale): Call that.
	* locale/localeinfo.h: Declare it.
	(struct locale_data): Replace member `mmaped' with `alloc', an enum.
	(struct locale_data): Remove unused member `options'.
	* locale/findlocale.c (_nl_remove_locale): Update uses.
	* locale/loadlocale.c (_nl_load_locale, _nl_unload_locale): Likewise.
	* 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.

	* locale/hashval.h [! LONGBITS]: Include <limits.h> here and
	use CHAR_BIT instead of BITSPERBYTE.

	* locale/localeinfo.h (_nl_find_locale, _nl_load_locale,
	_nl_unload_locale): Add `internal_function attribute_hidden' to decls.
	* locale/findlocale.c (_nl_find_locale): Add internal_function to defn.
	(_nl_remove_locale): Likewise.
	* locale/loadlocale.c (_nl_load_locale, _nl_unload_locale): Likewise.

	* locale/findlocale.c (_nl_default_locale_path): New variable.
	(_nl_find_locale): If LOCALE_PATH is null, default to that.
	* locale/localeinfo.h: Declare it.
	* locale/setlocale.c (setlocale): Use _nl_default_locale_path
	in place of LOCALEDIR.  If no LOCPATH, pass null to _nl_find_locale.
	* locale/newlocale.c (__newlocale): Likewise.

	* misc/err.c (vwarnx, vwarn): Fix typos in libc_hidden_def uses.
	* inet/rexec.c (rexec_af): Add libc_hidden_def.
	* sysdeps/generic/morecore.c: Likewise.
	* signal/allocrtsig.c (__libc_current_sigrtmin): Likewise.
	(__libc_current_sigrtmax): Likewise.

2002-08-08  Roland McGrath  <roland@redhat.com>

	* locale/loadlocale.c (_nl_load_locale): Don't use MAP_INHERIT.
	* catgets/open_catalog.c (__open_catalog): Likewise.

	* locale/programs/locarchive.c (INITIAL_NUM_NAMES): Renamed
	from typo INITIAL_NUM_NANES.
	(create_archive): Update use.

1 files changed, 42 insertions, 10 deletions

diff --git a/locale/localeinfo.h b/locale/localeinfo.h
index 97471e9be5..31de4d0974 100644
--- a/locale/localeinfo.h
+++ b/locale/localeinfo.h
@@ -47,14 +47,17 @@ struct locale_data
   const char *name;
   const char *filedata;		/* Region mapping the file data.  */
   off_t filesize;		/* Size of the file (and the region).  */
-  int mmaped;			/* If nonzero the data is mmaped.  */
+  enum				/* Flavor of storage used for those.  */
+  {
+    ld_malloced,		/* Both are malloc'd.  */
+    ld_mapped,			/* name is malloc'd, filedata mmap'd */
+    ld_archive			/* Both point into mmap'd archive regions.  */
+  } alloc;
 
   unsigned int usage_count;	/* Counter for users.  */
 
   int use_translit;		/* Nonzero if the mb*towv*() and wc*tomb()
 				   functions should use transliteration.  */
-  const char *options;		/* Extra options from the locale name,
-				   not used in the path to the locale data.  */
 
   unsigned int nstrings;	/* Number of strings below.  */
   union locale_data_value
@@ -152,6 +155,7 @@ extern const char _nl_C_codeset[] attribute_hidden;
    Each is malloc'd unless it is _nl_C_name.  */
 extern const char *_nl_current_names[] attribute_hidden;
 
+
 #ifndef SHARED
 
 /* For each category declare the variable for the current locale data.  */
@@ -222,22 +226,50 @@ extern struct __locale_struct _nl_global_locale attribute_hidden;
 #endif
 
 
+/* Default search path if no LOCPATH environment variable.  */
+extern const char _nl_default_locale_path[] attribute_hidden;
+
 /* Load the locale data for CATEGORY from the file specified by *NAME.
-   If *NAME is "", use environment variables as specified by POSIX,
-   and fill in *NAME with the actual name used.  The directories
-   listed in LOCALE_PATH are searched for the locale files.  */
+   If *NAME is "", use environment variables as specified by POSIX, and
+   fill in *NAME with the actual name used.  If LOCALE_PATH is not null,
+   those directories are searched for the locale files.  If it's null,
+   the locale archive is checked first and then _nl_default_locale_path
+   is searched for locale files.  */
 extern struct locale_data *_nl_find_locale (const char *locale_path,
 					    size_t locale_path_len,
-					    int category, const char **name);
+					    int category, const char **name)
+     internal_function attribute_hidden;
 
 /* Try to load the file described by FILE.  */
-extern void _nl_load_locale (struct loaded_l10nfile *file, int category);
+extern void _nl_load_locale (struct loaded_l10nfile *file, int category)
+     internal_function attribute_hidden;
 
 /* Free all resource.  */
-extern void _nl_unload_locale (struct locale_data *locale);
+extern void _nl_unload_locale (struct locale_data *locale)
+     internal_function attribute_hidden;
 
 /* Free the locale and give back all memory if the usage count is one.  */
-extern void _nl_remove_locale (int locale, struct locale_data *data);
+extern void _nl_remove_locale (int locale, struct locale_data *data)
+     internal_function attribute_hidden;
+
+/* Find the locale *NAMEP in the locale archive, and return the
+   internalized data structure for its CATEGORY data.  If this locale has
+   already been loaded from the archive, just returns the existing data
+   structure.  If successful, sets *NAMEP to point directly into the mapped
+   archive string table; that way, the next call can short-circuit strcmp.  */
+extern struct locale_data *_nl_load_locale_from_archive (int category,
+							 const char **namep)
+     internal_function attribute_hidden;
+
+/* Validate the contents of a locale file and set up the in-core
+   data structure to point into the data.  This leaves the `alloc'
+   and `name' fields uninitialized, for the caller to fill in.
+   If any bogons are detected in the data, this will refuse to
+   intern it, and return a null pointer instead.  */
+extern struct locale_data *_nl_intern_locale_data (int category,
+						   const void *data,
+						   size_t datasize)
+     internal_function attribute_hidden;
 
 
 /* Return `era' entry which corresponds to TP.  Used in strftime.  */