glibc/wcsmbs/wchar.h
Roland McGrath 75cd5204dd Wed May 1 09:10:04 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* time/strftime.c: Use canonical autoconf nugget for time.h+sys/time.h
	include.

Mon Apr 29 02:48:26 1996  Ulrich Drepper  <drepper@cygnus.com>

	* ctype/ctype-info.c: (__ctype_width): New variable.
	(__ctype_names): Initialize correctly without offset.

	* locale/C-collate.c, locale/C-ctype.c,
	locale/C-messages.c, locale/C-monetary.c,
	locale/C-numeric.c, locale/C-time.c: Change copyright.

	* locale/C-ctype.c (_nl_C_LC_CTYPE_class32): Correct
	endianess for initialization value.

	* locale/lc-ctype.c (current): Add parameter for offset.
	(__ctype32_b, __ctype_width): Add initialization for these
	variables.

	* locale/programs/charmap.c: Finish support for WIDTH information.
	(new_width): New function.

	* locale/programs/charset.h (width_rule): new data structure.
	(charset_t): Add elements for width information.

	* locale/programs/ld-ctype.c (locale_ctype_t): Add element
	for width information.
	(allocate_arrays): Add new argument for charset.
	(ctype_finish): Make sure all characters named in charset
	width table are known to name table.
	(ctype_output): Correct handling of class and map name
	information and write out width information.
	(find_idx): Prepare for being called with NULL pointer as
	TABLE argument.  This means only allocate name entry.
	(allocate_arrays): Correct handling of array element -1.
	Because EOF == -1 the value of element 127 must *not* be
	mirrored here.
	Fill width information from charset tables.

	* locale/programs/localedef.c (main): Correct loop over all
	categories after change of order from Thu Mar 28 14:22:51 1996.
	Add new charset argument to call of `write_all_categories'.

	* locale/programs/locales.h (ctype_finish, ctype_output): New
	charset argument.

	* locale/programs/locfile.c (write_all_categories): Call
	`ctype_output' with additional argument charset.

	* posix/getconf.c (vars): Add _POSIX_SYNC_IO, _POSIX_ASYNC_IO,
	and _POSIX_PRIO_IO definitions.

	* posix/posix2_lim.h: Add definition of _POSIX2_CHARCLASS_NAME_MAX
	and CHARCLASS_NAME_MAX.

	* posix/unistd.h: Document _POSIX_SYNC_IO, _POSIX_ASYNC_IO,
	and _POSIX_PRIO_IO.

	* stdlib/grouping.h: Prepare for use in wide string functions.

	* stdlib/stdlib.h: Correct prototypes for __strto*_internal
	functions.

	* stdlib/strtod.c: Extend for use as `wcsto{f,d,ld}'.

	* stdlib/strtol.c: Extend for use as `wcsto{l,ul,q,uq}'.

	* string/strcoll.c: Extend for use as `wcscoll'.

	* string/strxfrm.c: Extend for use as `wcsxfrm'.

	* sysdeps/generic/confname.h: Add definition of _PC_SYNC_IO,
	_PC_ASYNC_IO, _PC_PRIO_IO and _SC_CHARCLASS_NAME_MAX.

	* sysdeps/generic/stpncpy.c: Correct return value.

	* sysdeps/posix/fpathconf.c: Add handling of _PC_SYNC_IO,
	_PC_ASYNC_IO, and _PC_PRIO_IO.

	* sysdeps/posix/sysconf.c: Add handling of _SC_REALTIME_SIGNALS,
	_SC_PRIORITY_SCHEDULING, _SC_TIMERS, _SC_ASYNCHRONOUS_IO,
	_SC_PRIORITIZED_IO, _SC_SYNCHRONIZED_IO, _SC_FSYNC,
	_SC_MAPPED_FILES, _SC_MEMLOCK, _SC_MEMLOCK_RANGE,
	_SC_MEMORY_PROTECTION, _SC_MESSAGE_PASSING, _SC_SEMAPHORES,
	_SC_SHARED_MEMORY_OBJECTS, and _SC_CHARCLASS_NAME_MAX.
	* sysdeps/stub/sysconf.c: Ditto.
	* sysdeps/unix/sysv/sysv4/sysconf.c: Ditto.

	* sysdeps/unix/sysv/linux/Dist: Add sys/sysctl.h.

	* sysdeps/unix/sysv/linux/Makefile [subdir == misc]
	(sysdep_routines): Add s_sysctl and sysctl.

	* sysdeps/unix/sysv/linux/sys/mman.h: Add declaration of mremap.

	* sysdeps/unix/sysv/linux/sys/socket.h: New file.  Wrapper
	around kernel header.

	* sysdeps/unix/sysv/linux/sys/sysctl.h: New file.  Define
	interface to `sysctl' function.

	* sysdeps/unix/sysv/linux/syscalls.list: Add mremap and _sysctl.

	* sysdeps/unix/sysv/linux/sysconf.c: Add handling of
	_SC_CHARCLASS_NAME_MAX.

	* sysdeps/unix/sysv/linux/sysctl.c: new file.  Implement caller
	of _sysctl system call.

	* sysvipc/Makefile (routines): Add ftok.

	* sysvipc/ftok.c: use variable `proj_id' not `id'.  Patch by
	David Mosberger-Tang.

	* wcsmbs/Makefile (routines): Add wcpcpy, wcpncpy, wcstol,
        wcstoul, wcstoq, wcstouq, wcstod, wcstold, wcstof, wcscoll,
        wcsxfrm, wcwidth, and wcswidth.

	* wcsmbs/wchar.h: Add declarations for wcpcpy, wcpncpy, wcstol,
        wcstoul, wcstoq, wcstouq, wcstod, wcstold, wcstof, wcscoll,
        wcsxfrm, wcwidth, and wcswidth.
	Declare internal interfaces for wcsto* functions.
	[OPTIMIZE]: Define inline functions for wcsto* functions to
	call internal interface functions.

	* wcsmbs/wcpcpy.c, wcsmbs/wcpncpy.c: New files.  Implement non-
	standard function equivalent to stpcpy/stpncpy.

	* wcsmbs/wcscoll.c: Implement `wcscoll' function by using
        `strcoll' implementation.

	* wcsmbs/wcscpy.c, wcsmbs/wcsncpy.c: Use wint_t instead of
        wchar_t.

	* wcsmbs/wcstod.c: Implement `wcstod' function by using `strtod'
        implementation.
	* wcsmbs/wcstof.c: Same for `wcstof'.
	* wcsmbs/wcstold.c: Same for `strtold'.

	* wcsmbs/wcstol.c: Implement `wcstol' function by using `strtol'
        implementation.
	* wcsmbs/wcstoq.c: Same for `wcstoq'.
	* wcsmbs/wcstoul.c: Same for `wcstoul'.
	* wcsmbs/wcstouq.c: Same for `wcstouq'.

	* wcsmbs/wcswidth.c: Implement `wcswidth' function from X/Open
        CAE.
	* wcsmbs/wcwidth.c: Ditto for `wcwidth'.
	* wcsmbs/wcwidth.h: Common function for definitions of above two
	functions.

	* wcsmbs/wcsxfrm.c: Implement `wcsxfrm function by using
        `strxfrm implementation.

	* wctype/wctype.c: Remove case for `wctype_t' being 16 bit type.

	* wctype/wctype.h (wint_t): Protect against multiple definition.
	(wctype_t): Always define as `unsigned long int'.

	* wctype.h: New file.  Wrapper around wctype/wctype.h.

	* hurd/hurdstartup.c (_hurd_split_args): Function removed.
	(_hurd_startup): Use argz functions.

	* hurd/hurdexec.c: Use argz functions.
1996-05-01 13:55:18 +00:00

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C

/* Copyright (C) 1995, 1996 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
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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/*
* ISO Standard: 7.16.4 General wide-string utilities <wchar.h>
*/
#ifndef _WCHAR_H
#define _WCHAR_H 1
#include <features.h>
__BEGIN_DECLS
/* Get size_t, wchar_t, uwchar_t and NULL from <stddef.h>. */
#define __need_size_t
#define __need_wchar_t
/* #define __need_uwchar_t */
#define __need_NULL
/* __need_WCHAR_MAX */
/* __need_WCHAR_MIN */
#include <stddef.h>
/* FIXME: Should go with this or another name in stddef.h. */
typedef unsigned int uwchar_t;
/* Conversion state information. */
typedef int mbstate_t; /* FIXME */
/* Should come from <stddef.h> */
#define WCHAR_MIN ((wchar_t) 0) /* FIXME */
#define WCHAR_MAX (~WCHAR_MIN) /* FIXME */
#ifndef WEOF
# define WEOF (0xffffffffu)
#endif
/* FIXME: should this go into <stddef.h>??? */
#if 0
#define __need_wint_t
#include <stddef.h>
#else
/* Integral type unchanged by default argument promotions that can
hold any value corresponding to members of the extended character
set, as well as at least one value that does not correspond to any
member of the extended character set. */
#ifndef __have_wint_t_defined
#define __have_wint_t_defined 1
/* This is a hack!!! */
typedef unsigned int wint_t;
#endif
#endif
/* Copy SRC to DEST. */
extern wchar_t *wcscpy __P ((wchar_t *__dest, __const wchar_t *__src));
/* Copy no more than N wide-characters of SRC to DEST. */
extern wchar_t *wcsncpy __P ((wchar_t *__dest, __const wchar_t *__src,
size_t __n));
/* Append SRC onto DEST. */
extern wchar_t *wcscat __P ((wchar_t *__dest, __const wchar_t *__src));
/* Append no more than N wide-characters of SRC onto DEST. */
extern wchar_t *wcsncat __P ((wchar_t *__dest, __const wchar_t *__src,
size_t __n));
/* Compare S1 and S2. */
extern int wcscmp __P ((__const wchar_t *__s1, __const wchar_t *__s2));
/* Compare N wide-characters of S1 and S2. */
extern int wcsncmp __P ((__const wchar_t *__s1, __const wchar_t *__s2,
size_t __n));
/* Compare S1 and S2, both interpreted as appropriate to the
LC_COLLATE category of the current locale. */
extern int wcscoll __P ((__const wchar_t *__s1, __const wchar_t *__s2));
/* Transform S2 into array pointed to by S1 such that if wcscmp is
applied to two transformed strings the result is the as applying
`wcscoll' to the original strings. */
extern size_t wcsxfrm __P ((wchar_t *__s1, __const wchar_t *__s2, size_t __n));
/* Duplicate S, returning an identical malloc'd string. */
extern wchar_t *wcsdup __P ((__const wchar_t *__s));
/* Find the first occurence of WC in WCS. */
extern wchar_t *wcschr __P ((__const wchar_t *__wcs, wchar_t __wc));
/* Find the last occurence of WC in WCS. */
extern wchar_t *wcsrchr __P ((__const wchar_t *__wcs, wchar_t __wc));
/* Return the length of the initial segmet of WCS which
consists entirely of wide-characters not in REJECT. */
extern size_t wcscspn __P ((__const wchar_t *__wcs,
__const wchar_t *__reject));
/* Return the length of the initial segmet of WCS which
consists entirely of wide-characters in ACCEPT. */
extern size_t wcsspn __P ((__const wchar_t *__wcs, __const wchar_t *__accept));
/* Find the first occurence in WCS of any character in ACCEPT. */
extern wchar_t *wcspbrk __P ((__const wchar_t *__wcs,
__const wchar_t *__accept));
/* Find the first occurence of NEEDLE in HAYSTACK. */
extern wchar_t *wcsstr __P ((__const wchar_t *__haystack,
__const wchar_t *__needle));
/* Divide WCS into tokens separated by characters in DELIM. */
extern wchar_t *wcstok __P ((wchar_t *__s, __const wchar_t *__delim,
wchar_t **ptr));
/* Return the number of wide-characters in S. */
extern size_t wcslen __P ((__const wchar_t *__s));
/* Search N bytes of S for C. */
extern wchar_t *wmemchr __P ((__const wchar_t *__s, wchar_t __c, size_t __n));
/* Compare N bytes of S1 and S2. */
extern int wmemcmp __P ((__const wchar_t *__s1, __const wchar_t *__s2,
size_t __n));
/* Copy N bytes of SRC to DEST. */
extern wchar_t *wmemcpy __P ((wchar_t *__s1, __const wchar_t *__s2,
size_t __n));
/* Copy N bytes of SRC to DEST, guaranteeing
correct behavior for overlapping strings. */
extern wchar_t *wmemmove __P ((wchar_t *__s1, __const wchar_t *__s2,
size_t __N));
/* Set N bytes of S to C. */
extern wchar_t *wmemset __P ((wchar_t *__s, wchar_t __c, size_t __n));
/* Determine whether C constitutes a valid (one-byte) multibyte
character. */
extern wint_t btowc __P ((int __c));
/* Determine whether C corresponds to a member of the extended
character set whose multibyte representation is a single byte. */
extern int wctob __P ((wint_t __c));
/* Determine whether PS points to an object representing the initial
state. */
extern int mbsinit __P ((__const mbstate_t *__ps));
/* Return number of bytes in multibyte character pointed to by S. */
extern size_t mbrlen __P ((__const char *__s, size_t __n, mbstate_t *ps));
/* Write wide character representation of multibyte character pointed
to by S to PWC. */
extern size_t mbrtowc __P ((wchar_t *__pwc, __const char *__s, size_t __n,
mbstate_t *__p));
/* Write multibyte representation of wide character WC to S. */
extern size_t wcrtomb __P ((char *__s, wchar_t __wc, mbstate_t *__ps));
/* Write wide character representation of multibyte chracter string SRC
to DST. */
extern size_t mbsrtowcs __P ((wchar_t *__dst, __const char **__src,
size_t __len, mbstate_t *__ps));
/* Write multibyte character representation of wide character string
SRC to DST. */
extern size_t wcsrtombs __P ((char *__dst, __const wchar_t **__src,
size_t __len, mbstate_t *__ps));
#ifdef __USE_GNU
/* The following functions are extensions found in X/Open CAE. */
/* Determine number of column positions required for C. */
extern int wcwidth __P ((wint_t __c));
/* Determine number of column positions required for first N wide
characters (or fewer if S ends before this) in S. */
extern int wcswidth __P ((__const wchar_t *__s, size_t __n));
#endif /* use GNU */
/* Convert initial portion of the wide string NPTR to `double'
representation. */
extern double wcstod __P ((__const wchar_t *__nptr, wchar_t **__endptr));
#ifdef USE_GNU
/* Likewise for `float' and `long double' sizes of floating-point numbers. */
extern float wcstof __P ((__const wchar_t *__nptr, wchar_t **__endptr));
extern __long_double_t wcstold __P ((__const wchar_t *__nptr,
wchar_t **__endptr));
#endif /* GNU */
/* Convert initial portion of wide string NPTR to `long int'
representation. */
extern long int wcstol __P ((__const wchar_t *__nptr, wchar_t **__endptr,
int __base));
/* Convert initial portion of wide string NPTR to `unsigned long int'
representation. */
extern unsigned long int wcstoul __P ((__const wchar_t *__nptr,
wchar_t **__endptr, int __base));
#if defined (__GNUC__) && defined (__USE_GNU)
/* Convert initial portion of wide string NPTR to `long int'
representation. */
extern long long int wcstoq __P ((__const wchar_t *__nptr, wchar_t **__endptr,
int __base));
/* Convert initial portion of wide string NPTR to `unsigned long long int'
representation. */
extern unsigned long long int wcstouq __P ((__const wchar_t *__nptr,
wchar_t **__endptr, int __base));
#endif /* GCC and use GNU. */
/* The internal entry points for `wcstoX' take an extra flag argument
saying whether or not to parse locale-dependent number grouping. */
extern double __wcstod_internal __P ((__const wchar_t *__nptr,
wchar_t **_endptr, int __group));
extern float __wcstof_internal __P ((__const wchar_t *__nptr,
wchar_t **_endptr, int __group));
extern __long_double_t __wcstold_internal __P ((__const wchar_t *__nptr,
wchar_t **_endptr,
int __group));
extern long int __wcstol_internal __P ((__const wchar_t *__nptr,
wchar_t **__endptr, int __base,
int __group));
extern unsigned long int __wcstoul_internal __P ((__const wchar_t *__nptr,
wchar_t **__endptr,
int __base, int __group));
#ifdef __GNUC__
extern long long int __wcstoq_internal __P ((__const wchar_t *__nptr,
wchar_t **__endptr, int __base,
int __group));
extern unsigned long long int __wcstouq_internal __P ((__const wchar_t *__nptr,
wchar_t **__endptr,
int __base,
int __group));
#endif /* GCC */
#if defined (__OPTIMIZE__) && __GNUC__ >= 2
/* Define inline functions which call the internal entry points. */
extern __inline double wcstod (__const wchar_t *__nptr, wchar_t **__endptr)
{ return __wcstod_internal (__nptr, __endptr, 0); }
extern __inline long int wcstol (__const wchar_t *__nptr,
wchar_t **__endptr, int __base)
{ return __wcstol_internal (__nptr, __endptr, __base, 0); }
extern __inline unsigned long int wcstoul (__const wchar_t *__nptr,
wchar_t **__endptr, int __base)
{ return __wcstoul_internal (__nptr, __endptr, __base, 0); }
#ifdef __USE_GNU
extern __inline float wcstof (__const wchar_t *__nptr, wchar_t **__endptr)
{ return __wcstof_internal (__nptr, __endptr, 0); }
extern __inline __long_double_t wcstold (__const wchar_t *__nptr,
wchar_t **__endptr)
{ return __wcstold_internal (__nptr, __endptr, 0); }
#endif
#ifdef __USE_BSD
extern __inline long long int wcstoq (__const wchar_t *__nptr,
wchar_t **__endptr, int __base)
{ return __wcstoq_internal (__nptr, __endptr, __base, 0); }
extern __inline unsigned long long int wcstouq (__const wchar_t *__nptr,
wchar_t **__endptr, int __base)
{ return __wcstouq_internal (__nptr, __endptr, __base, 0); }
#endif
#endif /* Optimizing GCC >=2. */
#ifdef __USE_GNU
/* Copy SRC to DEST, returning the address of the terminating L'\0' in
DEST. */
extern wchar_t *__wcpcpy __P ((wchar_t *__dest, __const wchar_t *__src));
extern wchar_t *wcpcpy __P ((wchar_t *__dest, __const wchar_t *__src));
/* Copy no more than N characters of SRC to DEST, returning the address of
the last character written into DEST. */
extern wchar_t *__wcpncpy __P ((wchar_t *__dest, __const wchar_t *__src,
size_t __n));
extern wchar_t *wcpncpy __P ((wchar_t *__dest, __const wchar_t *__src,
size_t __n));
#endif /* use GNU */
__END_DECLS
#endif /* wchar.h */