Update.

1999-04-28  Ulrich Drepper  <drepper@cygnus.com>

	* argp/argp-ba.c (argp_program_bug_address): Don't initialize with 0.
	* argp/argp-parse.c (_argp_hang): Likewise.
	* argp/argp-pv.c (argp_program_version): Likewise.
	* argp/argp-pvh.c (argp_program_version_hook): Likewise.
	* inet/ether_hton.c (ether_hton, startp): Likewise.
	* inet/ether_ntoh.c (ether_ntoh, startp): Likewise.
	* inet/getnetgrent_r.c (setup, startp): Likewise.
	* intl/loadmsgcat.c (_nl_msg_cat_cntr): Likewise.
	* intl/localealias.c (string_space, string_space_act, string_space_max,
	nmap, maxmap): Likewise.
	* libio/iopopen.c (proc_file_chain): Likewise.
	* libio/oldiopopen.c (old_proc_file_chain): Likewise.
	* locale/lc-collate.c (__collate_table, __collate_extra,
	__collate_element_hash, __collate_element_strings,
	__collate_element_values): Likewise.
	* malloc/mcheck.c (mcheck_used): Likewise.
	* malloc/mtrace.c (added_atexit_handler): Likewise.
	* malloc/set-freeres.c (already_called): Likewise.
	* misc/getpass.c (getpass) [buf, bufsize]: Likewise.
	* misc/syslog.c (LogStat, LogTag): Likewise.
	* nss/XXX-lookup.c (DATABASE_NAME_SYMBOL): Likewise.
	* nss/getXXbyYY_r.c (startp): Likewise.
	* posix/getopt.c (optarg, __getopt_initialized): Likewise.
	* posix/regex.c (init_syntax_once) [done]: Likewise.
	(debug): Likewise.
	* string/strfry.c (init): Likewise.
	* sunrpc/svc_run.c (svc_top): Likewise.
	* posix/euidaccess.c (have_ids): Likewise.
	* sysdeps/unix/sysv/linux/poll.c (must_emulate): Likewise.
	* sysdeps/unix/sysv/linux/ttyname.c (__ttyname, namelen): Likewise.
	* time/getdate.c (getdate_err): Likewise.
	* time/tzfile.c (transitions, type_idxs, types, zone_names, leaps):
	Likewise.
	* time/tzset.c (old_tz, is_initialized): Likewise.

	* inet/getnameinfo.c (nrl_domainname): Rewrite to allow initialization
	of static data with zero.
	* signal/allocrtsig.c (init): Likewise.

	* string/Makefile (routines): Add strchrnul.
	* string/Versions [GLIBC_2.1.1]: Add strchrnul.
	* string/string.c: Add strchrnul prototype.
	* include/string.h: Add __strchrnul prototype.
	* sysdeps/generic/strchrnul.c: New file.
	* sysdeps/i386/strchrnul.S: New file.
	* sysdeps/i386/bits/string.c: Add strchrnul optimization.
	* sysdeps/i386/i486/bits/string.c: Likewise.
	* argp/argp-help.c (argp_args_usage): Use __strchrnul.
	* inet/ether_line.c (ether_line): Likewise.
	* nscd/nscd_conf.c (nscd_parse_file): Likewise.
	* nss/nsswitch.c (nss_parse_file): Likewise.
	* posix/execvp.c (execvp): Likewise.
	* posix/fnmatch.c (internal_fnmatch): Likewise.
	* resolv/res_hconf.c (_res_hconv_init): Likewise.
	* resolv/res_init.c (res_init): Likewise.
	* stdlib/fmtmsg.c (init): Likewise.
	* stdlib/getsubopt.c (getsubopt): Likewise.

	* catgets/catgets.c (catopen): Only allocate one memory block.
	(catclose): Only one free call necessary.

	* catgets/open_catalog.c (__open_catalog): Simplify handling of
	file descriptor.

	* ctype/ctype-extn.c: Make __toascii_l and __isascii_l alias instead
	of real functions.  Simplify _tolower and _toupper.

	* grp/initgroups.c (compat_call): Remove unnecessary use of pointer
	variable.

	* iconv/gconv.h (struct gconv_info): Change data element from pointer
	to array of size 0.
	* iconv/gconv_open.c (__gconv_open): Allocate structures accordingly.
	* iconv/gconv_close.c (__gconv_close): Don't free data.

	* iconv/gconv_conf.c (add_alias): Avoid searching in tree twice to
	insert new alias.

	* iconv/gconv_db.c (add_derivation): More efficient copying.  Check
	for error while inserting in tree.

	* include/time.h: Pretty print.

	* inet/ruserpass.c: Rewrite use of toktab to avoid string pointers
	in table and lots of relocations.
	* posix/regex.c (regerror): Rewrite use of re_error_msgid to avoid
	string pointers in table and lots of relocations.

	* intl/finddomain.c: Remove definition of strchr macro.

	* io/ftw.c (nftw_arr, ftw_arr): Make const.

	* locale/loadlocale.c (_nl_load_locale): Optimize string copying.

	* locale/localeinfo.h (_nl_category_names): Change into an array with
	fixed width char string elements.
	* locale/setlocale.c (_nl_category_names): Likewise.
	(_nl_current): Make global.
	* locale/nl_langinfo.c (nldata): Removed.  Use _nl_current now.

	* malloc/Makefile (distribute): Add stackinfo.h.
	* sysdeps/generic/stackinfo.h: New file.
	* sysdeps/i386/stackinfo.h: New file.
	* posix/execl.c: Use stackinfo.h in optimizing alloca use.
	* posix/execle.c: Likewise.
	* posix/execlp.c: Likewise.

	* nis/nis_table.c (__create_ib_request): Always use realloc.

	* posix/execvp.c (execute): Rename to script_execute and keep only
	code to execute using shell.
	(execvp): Call execv directly and only fall back on script_execute.

	* resolv/inet_net_pton.c (inet_net_pton_ipv4): Remove digits define
	and always use xdigits instead.

	* resolv/res_init.c (res_init): Use rawmemchr instead of strchr
	where appropriate.

	* stdlib/fpioconst.h (__tens): New declaration.
	(struct mp_power): Remove array, add arrayoff element.
	* stdlib/fpioconst.c: Replace definitions of _ten_p* arrays by one
	__tens array and add in _fpioconst_pow10 offsets into __tens.
	* stdio-common/printf_fp.c: Rewrite to use new __tens array.
	* stdlib/strtod.c: Likewise.

	* stdlib/a64l.c (a64l_table): Avoid unnecessary elements.

	* stdlib/exit.c: Rewrite to use __exit_funcs being as sign for end
	of the list.
	* stdlib/atexit.c (__exit_funcs): Don't initialize.

	* stdlib/fmtmsg.c (keywords): Make name element fixed width array.

	* sunrpc/clnt_perr.c: Rewrite clnt_sperrno and auth_errmsg to use
	a single and an array with offsets.

	* sunrpc/des_soft.c (partab): Make it const.

	* sunrpc/key_call.c (trytimeout, tottimeout): Make const.
	(__key_encryptsession_pk_LOCAL): Don't initialize with 0.
	(__key_decryptsession_pk_LOCAL): Likewise.
	(__key_gendes_LOCAL): Likewise.
	(MESSENGER): Mark const.
	(key_call_private_main): Don't initialize with 0.
	(use_keyenvoy): Don't initialize with 0.
	(key_call): Rewrite to reverse logic of use_doors variable.

	* sunrpc/netname.c (OPSYS): Define as array, not pointer.
	(startp): Don't initialize with zero.

	* sunrpc/openchild.c (_openchild): Make first argument const.

	* sunrpc/pmap_rmt.c (timeout): Mark const.
	* sunrpc/xcrypt.c (hex): Likewise.

	* sysdeps/unix/sysv/linux/getcwd.c: Rewrite to allow omitting
	initialization of global variables.
	* sysdeps/unix/sysv/linux/getpt.c: Likewise.
	* sysdeps/unix/sysv/linux/if_index.c: Likewise.
	* termios/tcgetsid.c: Likewise.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags): Change
	fxsr to osfxsr.

	* time/tzfile.c (__tzfile_read): Rewrite to allocate only one memory
	block.  Add function to free memory if wanted.
	* time/tzset.c (tzset_internal): Pass extra argument to __tzfile_read.

	* wcsmbs/wcsmbsload.c (to_wc, to_mb): Correct initializers.

	* wcsmbs/wmemset.c: Little code optimization.

5 files changed, 25 insertions, 30 deletions

diff --git a/locale/lc-collate.c b/locale/lc-collate.c
index 7052db3062..4376286812 100644
--- a/locale/lc-collate.c
+++ b/locale/lc-collate.c
@@ -1,5 +1,5 @@
 /* Define current locale data for LC_COLLATE category.
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -28,12 +28,12 @@ extern const u_int32_t _nl_C_LC_COLLATE_symbol_classes[];
 
 _NL_CURRENT_DEFINE (LC_COLLATE);
 
-const u_int32_t *__collate_table = NULL;
-const u_int32_t *__collate_extra = NULL;
+const u_int32_t *__collate_table;
+const u_int32_t *__collate_extra;
 
-const u_int32_t *__collate_element_hash = NULL;
-const char *__collate_element_strings = NULL;
-const wchar_t *__collate_element_values = NULL;
+const u_int32_t *__collate_element_hash;
+const char *__collate_element_strings;
+const wchar_t *__collate_element_values;
 
 const u_int32_t *__collate_symbol_hash = _nl_C_LC_COLLATE_symbol_hash;
 const char *__collate_symbol_strings = _nl_C_LC_COLLATE_symbol_strings;
diff --git a/locale/loadlocale.c b/locale/loadlocale.c
index c762b77ed1..24d0c3a67d 100644
--- a/locale/loadlocale.c
+++ b/locale/loadlocale.c
@@ -97,13 +97,17 @@ _nl_load_locale (struct loaded_l10nfile *file, int category)
       /* LOCALE/LC_foo is a directory; open LOCALE/LC_foo/SYS_LC_foo
            instead.  */
       char *newp;
+      size_t filenamelen;
 
       __close (fd);
 
-      newp = (char *) alloca (strlen (file->filename)
+      filenamelen = strlen (file->filename);
+      newp = (char *) alloca (filenamelen
 			      + 5 + _nl_category_name_sizes[category] + 1);
-      __stpcpy (__stpcpy (__stpcpy (newp, file->filename), "/SYS_"),
-		_nl_category_names[category]);
+      __mempcpy (__mempcpy (__mempcpy (newp, file->filename, filenamelen),
+			    "/SYS_", 5),
+		 _nl_category_names[category],
+		 _nl_category_name_sizes[category] + 1);
 
       fd = __open (newp, O_RDONLY);
       if (fd < 0)
diff --git a/locale/localeinfo.h b/locale/localeinfo.h
index f50565c54a..9f58a743c8 100644
--- a/locale/localeinfo.h
+++ b/locale/localeinfo.h
@@ -1,5 +1,5 @@
 /* localeinfo.h -- declarations for internal libc locale interfaces
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -104,7 +104,7 @@ extern struct locale_data *_nl_current_##category;
 #include "categories.def"
 #undef	DEFINE_CATEGORY
 
-extern const char *const _nl_category_names[LC_ALL + 1];
+extern const char _nl_category_names[LC_ALL + 1][12];
 extern const size_t _nl_category_name_sizes[LC_ALL + 1];
 extern struct locale_data * *const _nl_current[LC_ALL + 1];
 
diff --git a/locale/nl_langinfo.c b/locale/nl_langinfo.c
index df2b3e9fb9..4c8e6285d3 100644
--- a/locale/nl_langinfo.c
+++ b/locale/nl_langinfo.c
@@ -1,5 +1,5 @@
 /* User interface for extracting locale-dependent parameters.
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -22,18 +22,6 @@
 #include <stddef.h>
 #include "localeinfo.h"
 
-/* This array duplicates `_nl_current' defined in setlocale.c; but since
-   the references here are not weak references, this guarantees that the
-   data for all the categories will be linked in.  */
-
-static struct locale_data * *const nldata[] =
-{
-#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
-  [category] = &_nl_current_##category,
-#include "categories.def"
-#undef	DEFINE_CATEGORY
-};
-
 
 /* Return a string with the data for locale-dependent parameter ITEM.  */
 
@@ -52,7 +40,7 @@ nl_langinfo (item)
       return NULL;
     }
 
-  data = *nldata[category];
+  data = *_nl_current[category];
 
   if (index >= data->nstrings)
     {
diff --git a/locale/setlocale.c b/locale/setlocale.c
index dee83d7fb4..1bcc4d5375 100644
--- a/locale/setlocale.c
+++ b/locale/setlocale.c
@@ -40,9 +40,8 @@ extern struct locale_data _nl_C_##category;
 #include "categories.def"
 #undef	DEFINE_CATEGORY
 
-/* Array indexed by category of pointers to _nl_current_CATEGORY slots.
-   Elements are zero for categories whose data is never used.  */
-static struct locale_data * *const _nl_current[] =
+/* Array indexed by category of pointers to _nl_current_CATEGORY slots.  */
+struct locale_data * *const _nl_current[] =
   {
 #define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
     [category] = &_nl_current_##category,
@@ -65,8 +64,12 @@ struct locale_data *const _nl_C[] =
 
 
 /* Define an array of category names (also the environment variable names),
-   indexed by integral category.  */
-const char *const _nl_category_names[] =
+   indexed by integral category.
+
+   We have entries of fixed width (12 for now) do avoid an array of
+   pointers.  Update the size of the outer array if new, longer locale
+   names are introduced.  */
+const char _nl_category_names[][12] =
   {
 #define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
     [category] = category_name,