2000-09-30 Bruno Haible <haible@clisp.cons.org>
* tests-mbwc/tst_wcscmp.c (tst_wcscmp): Take the sign of ret.
* tests-mbwc/dat_wcscmp.c (tst_wcscmp_loc): Don't expect precise
return values. Only the sign matters.
2000-09-26 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc32/bits/endian.h: Remove.
* sysdeps/sparc/sparc32/ieee754.h: New.
* sysdeps/sparc/sparc64/bits/endian.h: Move...
* sysdeps/sparc/bits/endian.h: ...here.
* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__clone): Optimize.
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__clone): Check
%o1, not %o0 to see if we're parent or child. Optimize.
2000-09-26 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/fork.S: New file (based on code
by Hans Boehm).
* sysdeps/unix/sysv/linux/ia64/vfork.S: New file (based on
code by Hans Boehm).
* sysdeps/unix/sysv/linux/ia64/fork.c: Deleted (obsoleted by fork.S).
2000-09-20 H.J. Lu <hjl@gnu.org>
* sysdeps/ia64/fpu/printf_fphex.c: New file.
* sysdeps/ia64/fpu/libm-test-ulps: New file.
2000-09-17 H.J. Lu <hjl@gnu.org>
* sysdeps/ia64/Makefile (long-double-fcts): New. Defined as yes.
* sysdeps/ia64/fpu/s_isinfl.c: New file. Include
sysdeps/i386/fpu/s_isinfl.c.
* sysdeps/ia64/fpu/s_isnanl.c: New file. Include
sysdeps/i386/fpu/s_isnanl.c.
* sysdeps/ia64/fpu/s_nextafterl.c: New file. Include
sysdeps/i386/fpu/s_nextafterl.c.
* sysdeps/ia64/fpu/bits/mathdef.h: New file. Copied from
sysdeps/i386/fpu/bits/mathdef.h.
2000-09-16 H.J. Lu <hjl@gnu.org>
* sysdeps/generic/ldsodefs.h (DL_UNMAP): New. Defined if
DL_UNMAP_IS_SPECIAL is not defined.
* sysdeps/ia64/dl-lookupcfg.h (DL_UNMAP_IS_SPECIAL): Defined.
(_dl_unmap): New prototype.
(DL_UNMAP): New. Defined as _dl_unmap.
* sysdeps/ia64/Versions [ld] (GLIBC_2.2): Add _dl_unmap.
* elf/dl-close.c (_dl_close): Replace __munmap with DL_UNMAP.
2000-09-16 H.J. Lu <hjl@gnu.org>
* sysdeps/generic/ldsodefs.h (DL_LOOKUP_ADDRESS): New. Defined
if ELF_FUNCTION_PTR_IS_SPECIAL is not defined.
* sysdeps/ia64/dl-lookupcfg.h (_dl_lookup_address): New
prototype.
(DL_LOOKUP_ADDRESS): New. Defined as _dl_lookup_address.
* sysdeps/ia64/dl-fptr.c (_dl_lookup_address): New. Lookup
the memory location of a function from a function descriptor.
* sysdeps/ia64/Versions [ld] (GLIBC_2.2): Add _dl_lookup_address.
* elf/dl-addr.c (_dl_addr): Use DL_LOOKUP_ADDRESS to get the
memory location.
2000-09-14 Jes Sorensen <jes@linuxcare.com>
* sysdeps/ia64/bits/byteswap.h (__bswap_16): Don't mark output
variable as input argument.
(__bswap_32): Likewise.
* sysdeps/ia64/dl-machine.h: Add missing stop bit in RTLD_START()
- found by Jim Wilson <wilson@cygnus.com>
2000-09-26 Ulrich Drepper <drepper@redhat.com>
* string/strxfrm.c: Only require alignment on __alignof__ (int32_t)
instead of 4.
2000-09-26 Andreas Schwab <schwab@suse.de>
* locale/programs/ld-collate.c (collate_output): Only require
alignment on __alignof__ (int32_t) instead of 4.
* locale/loadlocale.c (_nl_load_locale): Likewise.
* string/strcoll.c: Likewise.
2000-09-26 Jes Sorensen <jes@linuxcare.com>
* sysdeps/ieee754/ldbl-96/e_atan2l.c (__ieee754_atan2l): Add
parentheses around arithmetic used in | statement to kill compiler
warning.
* math/math_private.h: Add prototype for __finitel.
(__ilogbl): Likewise.
(__isinfl): Likewise.
(__isnanl): Likewise.
(__atanl): Likewise.
(__copysignl): Likewise.
(__expm1l): Likewise.
(__floorl): Likewise.
(__frexpl): Likewise.
(__ldexpl): Likewise.
(__log1pl): Likewise.
(__nanl): Likewise.
(__rintl): Likewise.
(__scalbnl): Likewise.
(__sqrtl): Likewise.
(fabsl): Likewise.
(__sincosl): Likewise.
(si_isr) [USE_GNU]: Likewise.
(ILL_BREAK) [USE_GNU]: Likewise.
(FPE_DECOVF) [USE_GNU]: Likewise.
(FPE_DECDIV) [USE_GNU]: Likewise.
(FPE_DECERR) [USE_GNU]: Likewise.
(FPE_INVASC) [USE_GNU]: Likewise.
(FPE_INVDEC) [USE_GNU]: Likewise.
(TRAP_BRANCH) [USE_GNU]: Likewise.
(TRAP_HWBKPT) [USE_GNU]: Likewise.
* sysdeps/ieee754/flt-32/s_exp2f.c: Likewise.
* misc/daemon.c (daemon): Fail if !noclose and we cannot open the
real /dev/null device.
* sysdeps/generic/check_fds.c: Include device-nrs.h.
* sysdeps/generic/device-nrs.h: New file.
* sysdeps/unix/sysv/linux/device-nrs.h: New file.
* misc/Makefile (distribute): Add device-nrs.h.
* posix/wordexp.c (exec_comm_child): Likewise.
* locale/nl_langinfo.c: Allow use of file for __nl_langinfo_l
definition.
2000-09-10 David S. Miller <davem@redhat.com>
* sysdeps/sparc/sparc32/__longjmp.S (__longjmp): Correct %fp
frame pointer offset for non-fast path.
2000-09-10 Ulrich Drepper <drepper@redhat.com>
* locale/programs/3level.h (*_init): Initialize level1, level2,
and level3 as well.
(*_add): Remove a few unnecessary conditionals.
* stdlib/Makefile (headers): Add bits/wchar.h.
* sysdeps/unix/sysv/linux/i386/bits/wchar.h: New file.
* sysdeps/generic/bits/wchar.h: New file.
* sysdeps/generic/stdint.h: Include <bits/wchar.h>. Use values in this
file to define WCHAR_MIN and WCHAR_MAX.
Change UINT*8_MAX and UIN*16_MAX value to type int.
* wcsmbs/wchar.h: Include <bits/wchar.h>. Use values in this
file to define WCHAR_MIN and WCHAR_MAX.
* sysdeps/alpha/fpu/bits/mathdef.h: Make FP_ILOGB0 and FP_ILOGBNAN
int values.
* sysdeps/arm/fpu/bits/mathdef.h: Likewise.
* sysdeps/generic/bits/mathdef.h: Likewise.
* sysdeps/i386/fpu/bits/mathdef.h: Likewise.
* sysdeps/m68k/fpu/bits/mathdef.h: Likewise.
* sysdeps/powerpc/fpu/bits/mathdef.h: Likewise.
* sysdeps/sparc/fpu/bits/mathdef.h: Likewise.
* locale/locale.h (struct lconv): Add __ prefix to the new members
if not C99.
* sysdeps/generic/inttypes.h: Remove unnecessary imaxabs and
imaxdiv optimizations.
* sysdeps/wordsize-32/lldiv.c: Add hack to make alias work.
* sysdeps/wordsize-64/ldiv.c: Likewise.
* sysdeps/alpha/fpu/bits/fenv.h: Change type of FE_*_ENV macros to
const fenv_t*.
* sysdeps/generic/bits/fenv.h: Likewise.
* sysdeps/i386/fpu/bits/fenv.h: Likewise.
* sysdeps/ia64/bits/fenv.h: Likewise.
* sysdeps/m68k/fpu/bits/fenv.h: Likewise.
* sysdeps/mips/bits/fenv.h: Likewise.
* sysdeps/s390/fpu/bits/fenv.h: Likewise.
* sysdeps/sparc/fpu/bits/fenv.h: Likewise.
Reported by Joseph S. Myers <jsm28@cam.ac.uk>.
* catgets/open_catalog.c: Likewise.
2000-08-28 Ulrich Drepper <drepper@redhat.com>
* locale/localeinfo.h (LIMAGIC): Change base number to 0x20000828
to avoid crashing statically linked applications.
2000-08-27 Bruno Haible <haible@clisp.cons.org>
* string/strxfrm.c (strxfrm, wcsxfrm): Include <sys/param.h>.
If nrules == 0 and srclen < n, copy only srclen + 1 characters.
* sysdeps/generic/getdomain.c (getdomainname): Include <sys/param.h>.
If the result is fits in the buffer, copy only as many bytes as needed.
* sysdeps/generic/_strerror.c (__strerror_r): Don't zero-fill the
buffer after copying numbuf into it.
* sysdeps/mach/_strerror.c (__strerror_r): Likewise.
2000-08-27 Bruno Haible <haible@clisp.cons.org>
* posix/confstr.c (confstr): When string_len > len, NUL-terminate
the result. When string_len < len, don't clear the rest of the buffer.
2000-08-27 Bruno Haible <haible@clisp.cons.org>
Support for new LC_COLLATE format.
* locale/coll-lookup.h: New file.
* locale/weightwc.h (findidx): When size == 0, call
collidx_table_lookup.
* wcsmbs/wcscoll.c: Include coll-lookup.h.
* wcsmbs/wcsxfrm.c: Likewise.
* posix/fnmatch.c: Likewise.
* posix/fnmatch_loop.c (internal_fnwmatch): When size == 0, call
collseq_table_lookup.
* locale/programs/3level.h: New file.
* locale/programs/ld-ctype.c: (wcwidth_table, wctrans_table): Define
by including "3level.h".
* locale/programs/ld-collate.c (wchead_table, collidx_table,
collseq_table): New types, defined by including "3level.h".
(locale_collate_t): New wcheads_3level, wcseqorder_3level fields.
(encoding_mask, encoding_byte): Remove.
(utf8_encode): Use simple shifts instead.
(collate_finish): When !oldstyle_tables, set plane_size and plane_cnt
to 0, and initialize and fill wcheads_3level and wcseqorder_3level.
(collate_output): New local variable tablewc_3level. When
!oldstyle_tables, set table_size to 0 and names to NULL and fill
tablewc_3level instead of tablewc. Change format of TABLEWC and
COLLSEQWC entries written to the file.
* locale/C-collate.c (collseqwc): Change format.
(_nl_C_LC_COLLATE): Set HASH_SIZE and HASH_LAYERS to 0, change format
of COLLSEQWC.
* locale/Makefile (distribute): Add coll-lookup.h, programs/3level.h.
2000-08-27 Bruno Haible <haible@clisp.cons.org>
* locale/programs/ld-ctype.c (MAX_CHARNAMES_IDX): New macro.
(locale_ctype_t): New charnames_idx field.
(ctype_startup): Initialize charnames_idx field.
(find_idx): Speed up dramatically by using charnames_idx inverse table.
2000-08-27 Bruno Haible <haible@clisp.cons.org>
* locale/C-ctype.c: Switch to new locale format.
(_nl_C_LC_CTYPE_names): Remove array.
(STRUCT_CTYPE_CLASS): New macro.
(_nl_C_LC_CTYPE_class_{upper,lower,alpha,digit,xdigit,space,print,
graph,blank,cntrl,punct,alnum}, _nl_C_LC_CTYPE_map_{toupper,tolower}):
New three-level tables.
(_nl_C_LC_CTYPE_width): Change from array to three-level table.
(_nl_C_LC_CTYPE): Fix nstrings value. Set HASH_SIZE and HASH_LAYERS
to 0. Change WIDTH format. Set CLASS_OFFSET and MAP_OFFSET. Add
12 class tables and 2 map tables at the end.
* ctype/ctype-info.c (_nl_C_LC_CTYPE_names): Remove declaration.
(_nl_C_LC_CTYPE_class_{upper,lower,alpha,digit,xdigit,space,print,
graph,blank,cntrl,punct,alnum}, _nl_C_LC_CTYPE_map_{toupper,tolower}):
New declarations.
(b): Remove trailing semicolon.
(__ctype_names, __ctype_width): Don't initialize.
(__ctype32_wctype, __ctype32_wctrans, __ctype32_width): Initialize.
2000-08-27 Bruno Haible <haible@clisp.cons.org>
* elf/dl-load.c (open_path): Add a argument telling whether *dirsp
is guaranteed to be allocated with the same malloc() and may be
passed to free().
(_dl_map_object): Update open_path calls. If rtld_search_dirs has
been set to empty by an earlier open_path call, don't pass it again.
* locale/programs/ld-collate.c (insert_weights): Also update
backpointer of next element.
(collate_read): Allow definition of new collation symbols in stage 2.
Symbol after reorder-after can be UCS4 value.
Allow reordering of collation symbols and elements.
Do not only move reorder entry in new position. Instead call
insert_weight to do this and read the weights.
2000-08-23 Ulrich Drepper <drepper@redhat.com>
* locale/programs/ld-ctype.c (ctype_read): Allow more than one
default_missing character being specified, pick the first
representable.
* sysdeps/i370/Implies: Removed.
* sysdeps/mvs/Implies: Removed.
* catgets/catgets.c (catopen): Filter out env_var values with / if
necessary.
* locale/findlocale.c (_nl_find_locale): Move test for unusable
locale name after all getenvs.
* locale/findlocale.c (free_mem): Also free here->filename.
* locale/loadlocale.c (_nl_unload_locale): Also free locale->name.
* malloc/malloc.c (new_heap): Try harder to get an aligned chunk of
2000-08-12 Andreas Jaeger <aj@suse.de>
* include/features.h (__STDC_ISO_10646__): Define.
Reported by Markus Kuhn <Markus.Kuhn@cl.cam.ac.uk>.
* include/features.h (__USE_ISOC99): Define for _XOPEN_SOURCE >= 600.
* locale/langinfo.h: Define YESSTR and NOSTR also for XPG4 (but not
for revision 6 and up).
* posix/sys/types.h: Define __need_timer_t and __need_clockid_t before
including <time.h>.
* time/time.h: Allow __need_timer_t and __need_clockid_t to be defined
to get definitions of just these types.
* signal/signal.h: Define thread signal handling functions also for
POSIX95.
* sysdeps/unix/sysv/linux/bits/types.h: Define thread types also for
POSIX95.
* sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/types.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/types.h: Likewise.
* sysvipc/sys/shm.h: Define pid_t for XPG.
* wcsmbs/wchar.h: Make the various wide char string and stream
functions available for the respective XPG versions.
2000-08-01 Mark Kettenis <kettenis@gnu.org>
* sysdeps/unix/sysv/linux/i386/sys/elf.h (elf_greg_t, ELF_NGREG,
elf_gregset_t, elf_fpregset_t, elf_fpxregset_t): Moved to
sysdeps/unix/sysv/linux/i386/sys/procfs.h.
Remove the junk that's only relevant in the Linux kernel itself.
Add a warning saying that this file is now obsolete, and include
<sys/procfs.h>.
* sysdeps/unix/sysv/linux/i386/sys/procfs.h (elf_greg_t,
ELF_NGREG, elf_gregset_t, elf_fpregset_t, elf_fpxregset_t): Moved
here from sysdeps/unix/sysv/linux/i386/sys/elf.h. Don't include
<signal.h>, <sys/ucontext.h> and <sys/elf.h>. Remove parts of
`struct elf_prstatus' that are #ifdef'ed out. Improve comments
and add the notice that the file is primarily there for GDB.
* sysdeps/unix/sysv/linux/i386/sys/user.h: Fix comment.
2000-08-09 Jakub Jelinek <jakub@redhat.com>
* time/tzfile.c (__tzfile_compute): __tzstring zones
from zone_names.
2000-08-09 Jakub Jelinek <jakub@redhat.com>
* resolv/resolv.h (__res_state): Surround prototype with
__BEGIN_DECLS/__END_DECLS.
* sysdeps/unix/sysv/linux/m68k/chown.c: Include kernel-features.h.
2000-08-04 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/bits/resource.h (__rlimit_resource):
Make independant of asm/resource.h from the Linux kernel.
2000-08-06 Bruno Haible <haible@clisp.cons.org>
* iconv/gconv_conf.c (__gconv_read_conf): Don't call realpath.
2000-08-06 Bruno Haible <haible@clisp.cons.org>
* intl/Makefile (CPPFLAGS): Remove $(i18ndir) from LOCALE_ALIAS_PATH.
* locale/Makefile (locale-CPPFLAGS): Likewise.
2000-08-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/fpu/libm-test-ulps: Increase several error values
for AMD processors.
2000-08-03 Jakub Jelinek <jakub@redhat.com>
* misc/Versions (mincore): Export at GLIBC_2.2.
2000-08-03 Bruno Haible <haible@clisp.cons.org>
* intl/libintl.h (gettext, dgettext, dcgettext): Add back __THROW.
2000-08-06 Ulrich Drepper <drepper@redhat.com>
* locale/programs/ld-collate.c (struct symbol_t): Add name element.
(new_symbol): Take new parameters with name of the symbol.
Adjust callers.
(handle_ellipsis): Don't only allow character symbols.
(collate_read): Allow string of collating elements contain invalid
characters; ignore entry in this case.
Handle ellipsis of collating symbols before first order_start.
Allow ellipsis in state 0.
* gnulib/Makefile (tests): Add tst-gcc.
* gnulib/tst-gcc.c: New file.
* assert/Makefile (routines): Add __assert.
* assert/Versions: Export __assert for glibc 2.2.
* assert/__assert.c: New file.
* assert/assert.h: Declare __assert.
2000-07-27 Bruno Haible <haible@clisp.cons.org>
* locale/localeinfo.h (_ISCTYPE): New macro.
* posix/fnmatch_loop.c (internal_fnmatch): Use it, support new
LC_CTYPE locale format.
* locale/programs/ld-ctype.c (locale_ctype_t): New field class_b.
(ctype_output): Output class_b[nr] right before class_3level[nr].
(allocate_arrays): Fill class_b, similarly to class_3level.
2000-08-01 Ulrich Drepper <drepper@redhat.com>
2000-07-28 Ulrich Drepper <drepper@redhat.com>
* stdio-common/_i18n_itoa.c: Removed.
* stdio-common/_i18n_itoa.h: Removed.
* stdio-common/_i18n_itowa.c: Removed.
* stdio-common/_i18n_itowa.h: Removed.
* stdio-common/_i18n_number.h: New file.
* stdio-common/Depend: New file.
* stdio-common/printf-parse.h: Handle I modifier correctly. Optimize.
* stdio-common/vfprintf.c: Rewrite buffer handling for integer
printing. Change printing of numbers with locale specific digits to
use new code in _i18n_number.h.
* stdio-common/bug13.c: Improve messages.
* locale/programs/ld-ctype.c (ctype_read): Improve error message.
(set_class_defaults): Always search also for Uxxxx names.
Detect insufficient number of outdigits.
* locale/Makefile (C-translit.h): Use mv not $(move-if-changed).
2000-07-27 Bruno Haible <haible@clisp.cons.org>
* locale/C-ctype.c (_nl_C_LC_CTYPE): Swap the two names in
_NL_CTYPE_MAP_NAMES.
* locale/localeinfo.h (__TOW_toupper, __TOW_tolower): New enum values.
* wctype/wcfuncs.c (towlower, towupper): Use them.
* wctype/wcfuncs_l.c (__towlower_l, __towupper_l): Likewise.
* wctype/wctrans.c (wctrans): Likewise.
* wctype/wctrans_l.c (__wctrans_l): Likewise.
2000-07-27 Bruno Haible <haible@clisp.cons.org>
* posix/fnmatch.c (is_char_class): Fix logic. Avoid buffer overrun.
Use the optimized version of this function outside glibc as well.
2000-07-27 Jakub Jelinek <jakub@redhat.com>
* locale/indigits.h (indigit_value): Correct.
* locale/indigitswc.h (indigitwc_value): Correct.
* stdio-common/vfscanf.c (__vfscanf): Fix I18N number
conversion, add GROUP checking for it, fix GROUP number
conversion with strlen(thousands) > 1.
Honour width correctly in the presence of floating
decimal points and thousands separators.
* stdio-common/tst-sscanf.c: New test.
* stdio-common/Makefile: Add it to tests.
* sysdeps/generic/strtol.c (strtol): Fix conversion if there are
thousands separators and group argument is non-zero.
Reported by Andi Kleen <ak@suse.de>.
2000-07-25 Bruno Haible <haible@clisp.cons.org>
* locale/programs/ld-ctype.c (wctype_table_get): New function.
(wcwidth_table_get): New function.
(wcwidth_table_add): Call it.
(wctrans_table_get): New function.
(wctrans_table_add): Call it.
2000-07-23 Bruno Haible <haible@clisp.cons.org>
* wctype/wchar-lookup.h: New file.
* wctype/iswctype.c: Include "wchar-lookup.h".
(__iswctype): Support alternate locale format with 3-level tables.
* wctype/iswctype_l.c (__iswctype_l): Likewise.
* wctype/towctrans.c (__towctrans): Likewise.
* wctype/towctrans_l.c (__towctrans_l): Likewise.
* wctype/wcfuncs.c: Include "wchar-lookup.h".
(__ctype32_wctype, __ctype32_wctrans): Declare external.
(__iswalnum, __iswalpha, __iswcntrl, __iswdigit, __iswlower,
__iswgraph, __iswprint, __iswpunct, __iswspace, __iswupper,
__iswxdigit, towlower, towupper): Support alternate locale format
with 3-level tables.
* wctype/wcextra.c (iswblank): Likewise.
* wctype/wcfuncs_l.c: Include "wchar-lookup.h".
(__iswalnum_l, __iswalpha_l, __iswcntrl_l, __iswdigit_l, __iswlower_l,
__iswgraph_l, __iswprint_l, __iswpunct_l, __iswspace_l, __iswupper_l,
__iswxdigit_l, __towlower_l, __towupper_l): Support alternate locale
format with 3-level tables.
* wctype/wcextra_l.c (__iswblank_l): Likewise.
* wctype/wctype.c (__wctype): Likewise. In the alternate locale
format, return a 3-level table pointer.
* wctype/wctype_l.c (__wctype_l): Likewise.
* wctype/wctrans.c (wctrans): Likewise.
* wctype/wctype.h (__ISwupper, __ISwlower, __ISwalpha, __ISwdigit,
__ISwxdigit, __ISwspace, __ISwprint, __ISwgraph, __ISwblank,
__ISwcntrl, __ISwpunct, __ISwalnum): New enum values.
(iswctype): Remove macro definition.
* wcsmbs/wcwidth.h: Include "wchar-lookup.h".
(internal_wcwidth): Support alternate locale format with 3-level
tables.
* locale/langinfo.h (_NL_CTYPE_CLASS_OFFSET, _NL_CTYPE_MAP_OFFSET):
New nl_items.
* locale/categories.def (_NL_CTYPE_CLASS_OFFSET, _NL_CTYPE_MAP_OFFSET):
Define them as being type "word".
* locale/C-ctype.c (_nl_C_LC_CTYPE): Add initializers for them.
* ctype/ctype-info.c (__ctype32_wctype, __ctype32_wctrans,
__ctype32_width): New exported variables.
* locale/lc-ctype.c (_nl_postload_ctype): Initialize them in the
alternate locale format. Don't initialize __ctype_names and
__ctype_width in the alternate locale format.
* locale/programs/localedef.h (oldstyle_tables): New declaration.
* locale/programs/localedef.c (oldstyle_tables): New variable.
(OPT_OLDSTYLE): New macro.
(options): Add --old-style option.
(parse_opt): Handle --old-style option.
* locale/programs/ld-ctype.c (locale_ctype_t): Add class_offset,
map_offset, class_3level, map_3level, width_3level members.
(ctype_output): Support for alternate locale format: Computation of
nelems changes. _NL_CTYPE_TOUPPER32, _NL_CTYPE_TOLOWER32 and
_NL_CTYPE_CLASS32 only 256 characters. _NL_CTYPE_NAMES empty.
New fields _NL_CTYPE_CLASS_OFFSET, _NL_CTYPE_MAP_OFFSET. Field
_NL_CTYPE_WIDTH now contains the three-level table. Extra elems
now contain both class and map tables.
(struct wctype_table): New type.
(wctype_table_init, wctype_table_add, wctype_table_finalize): New
functions.
(struct wcwidth_table): New type.
(wcwidth_table_init, wcwidth_table_add, wcwidth_table_finalize): New
functions.
(struct wctrans_table): New type.
(wctrans_table_init, wctrans_table_add, wctrans_table_finalize): New
functions.
(allocate_arrays): Support for alternate locale format: Set
plane_size and plane_cnt to 0. Restrict ctype->ctype32_b to the first
256 characters. Compute ctype->class_3level. Restrict ctype->map32[idx]
to the first 256 characters. Compute ctype->map_3level. Set
ctype->class_offset and ctype->map_offset. Compute ctype->width_3level
instead of ctype->width.
