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2003-10-23 Artem B. Bityuckiy <mail_lists@mail.ru> 

* libc/string/wcsnlen.c: New file.
        * libc/include/wchar.h: Add wcsnlen prototype.
        * libc/string/Makefile.am: Add wcsnlen support.
        * libc/string/Makefile.in: Regenerated.
        * libc/string/wcstrings.tex: Add wcsnlen documentation.
This commit is contained in:
Jeff Johnston 2003-10-23 18:07:13 +00:00
parent 34dd9dbc04
commit 4340b63bc1
6 changed files with 113 additions and 19 deletions
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8
newlib/ChangeLog
View File

@ -1,3 +1,11 @@
2003-10-23 Artem B. Bityuckiy <mail_lists@mail.ru>
* libc/string/wcsnlen.c: New file.
* libc/include/wchar.h: Add wcsnlen prototype.
* libc/string/Makefile.am: Add wcsnlen support.
* libc/string/Makefile.in: Regenerated.
* libc/string/wcstrings.tex: Add wcsnlen documentation.
2003-10-22 Richard Sandiford <rsandifo@redhat.com>
* libc/stdlib/exit.c (exit): Handle null _GLOBAL_REENT->_atexits.

1
newlib/libc/include/wchar.h
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@ -58,6 +58,7 @@ size_t _EXFUN(wcslen, (const wchar_t *));
wchar_t *_EXFUN(wcsncat, (wchar_t * , const wchar_t * , size_t));
int _EXFUN(wcsncmp, (const wchar_t *, const wchar_t *, size_t));
wchar_t *_EXFUN(wcsncpy, (wchar_t * , const wchar_t * , size_t));
size_t _EXFUN(wcsnlen, (const wchar_t *, size_t));
wchar_t *_EXFUN(wcspbrk, (const wchar_t *, const wchar_t *));
wchar_t *_EXFUN(wcsrchr, (const wchar_t *, wchar_t));
size_t _EXFUN(wcsspn, (const wchar_t *, const wchar_t *));

10
newlib/libc/string/Makefile.am
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@ -57,6 +57,7 @@ GENERAL_SOURCES = \
wcsncat.c \
wcsncmp.c \
wcsncpy.c \
wcsnlen.c \
wcspbrk.c \
wcsrchr.c \
wcsspn.c \
@ -109,10 +110,11 @@ strcasecmp.def strncasecmp.def strlwr.def strupr.def memccpy.def \
mempcpy.def \
wcscat.def wcschr.def wcscmp.def wcscoll.def \
wcscpy.def wcscspn.def \
wcslcat.def wcslcpy.def wcslen.def wcsncat.def wcsncmp.def \
wcsncpy.def wcspbrk.def wcsrchr.def wcsspn.def wcsstr.def \
wcswidth.def wcwidth.def wmemchr.def wmemcmp.def wmemcpy.def \
wmemmove.def wmemset.def
wcslcat.def wcslcpy.def wcslen.def wcsncat.def \
wcsncmp.def wcsncpy.def wcsnlen.def wcspbrk.def \
wcsrchr.def wcsspn.def wcsstr.def \
wcswidth.def wcwidth.def wmemchr.def \
wmemcmp.def wmemcpy.def wmemmove.def wmemset.def
SUFFIXES = .def

31
newlib/libc/string/Makefile.in
View File

@ -1,6 +1,6 @@
# Makefile.in generated automatically by automake 1.4 from Makefile.am
# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am
# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@ -163,6 +163,7 @@ GENERAL_SOURCES = \
wcsncat.c \
wcsncmp.c \
wcsncpy.c \
wcsnlen.c \
wcspbrk.c \
wcsrchr.c \
wcsspn.c \
@ -207,10 +208,11 @@ strcasecmp.def strncasecmp.def strlwr.def strupr.def memccpy.def \
mempcpy.def \
wcscat.def wcschr.def wcscmp.def wcscoll.def \
wcscpy.def wcscspn.def \
wcslcat.def wcslcpy.def wcslen.def wcsncat.def wcsncmp.def \
wcsncpy.def wcspbrk.def wcsrchr.def wcsspn.def wcsstr.def \
wcswidth.def wcwidth.def wmemchr.def wmemcmp.def wmemcpy.def \
wmemmove.def wmemset.def
wcslcat.def wcslcpy.def wcslen.def wcsncat.def \
wcsncmp.def wcsncpy.def wcsnlen.def wcspbrk.def \
wcsrchr.def wcsspn.def wcsstr.def \
wcswidth.def wcwidth.def wmemchr.def \
wmemcmp.def wmemcpy.def wmemmove.def wmemset.def
SUFFIXES = .def
@ -248,10 +250,12 @@ LIBS = @LIBS@
@USE_LIBTOOL_FALSE@wcscpy.$(OBJEXT) wcscspn.$(OBJEXT) wcslcat.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wcslcpy.$(OBJEXT) wcslen.$(OBJEXT) wcsncat.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wcsncmp.$(OBJEXT) wcsncpy.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wcspbrk.$(OBJEXT) wcsrchr.$(OBJEXT) wcsspn.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wcsstr.$(OBJEXT) wcswidth.$(OBJEXT) wcwidth.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wmemchr.$(OBJEXT) wmemcmp.$(OBJEXT) wmemcpy.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wmemmove.$(OBJEXT) wmemset.$(OBJEXT)
@USE_LIBTOOL_FALSE@wcsnlen.$(OBJEXT) wcspbrk.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wcsrchr.$(OBJEXT) wcsspn.$(OBJEXT) wcsstr.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wcswidth.$(OBJEXT) wcwidth.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wmemchr.$(OBJEXT) wmemcmp.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wmemcpy.$(OBJEXT) wmemmove.$(OBJEXT) \
@USE_LIBTOOL_FALSE@wmemset.$(OBJEXT)
LTLIBRARIES = $(noinst_LTLIBRARIES)
@USE_LIBTOOL_TRUE@libstring_la_OBJECTS = bcopy.lo bzero.lo index.lo \
@ -265,9 +269,10 @@ LTLIBRARIES = $(noinst_LTLIBRARIES)
@USE_LIBTOOL_TRUE@strupr.lo strxfrm.lo strstr.lo swab.lo u_strerr.lo \
@USE_LIBTOOL_TRUE@wcscat.lo wcschr.lo wcscmp.lo wcscoll.lo wcscpy.lo \
@USE_LIBTOOL_TRUE@wcscspn.lo wcslcat.lo wcslcpy.lo wcslen.lo wcsncat.lo \
@USE_LIBTOOL_TRUE@wcsncmp.lo wcsncpy.lo wcspbrk.lo wcsrchr.lo wcsspn.lo \
@USE_LIBTOOL_TRUE@wcsstr.lo wcswidth.lo wcwidth.lo wmemchr.lo wmemcmp.lo \
@USE_LIBTOOL_TRUE@wmemcpy.lo wmemmove.lo wmemset.lo
@USE_LIBTOOL_TRUE@wcsncmp.lo wcsncpy.lo wcsnlen.lo wcspbrk.lo \
@USE_LIBTOOL_TRUE@wcsrchr.lo wcsspn.lo wcsstr.lo wcswidth.lo wcwidth.lo \
@USE_LIBTOOL_TRUE@wmemchr.lo wmemcmp.lo wmemcpy.lo wmemmove.lo \
@USE_LIBTOOL_TRUE@wmemset.lo
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)

74
newlib/libc/string/wcsnlen.c Normal file
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@ -0,0 +1,74 @@
/*
FUNCTION
<<wcsnlen>>---get fixed-size wide character string length
INDEX
wcsnlen
ANSI_SYNOPSIS
#include <wchar.h>
size_t wcsnlen(const wchar_t *<[s]>, size_t <[maxlen]>);
TRAD_SYNOPSIS
#include <wchar.h>
size_t wcsnlen(<[s]>, <[maxlen]>)
wchar_t *<[s]>;
size_t <[maxlen]>;
DESCRIPTION
The <<wcsnlen>> function computes the number of wide character codes
in the wide character string pointed to by <[s]> not including the
terminating L'\0' wide character but at most <[maxlen]> wide
characters.
RETURNS
<<wcsnlen>> returns the length of <[s]> if it is less then <[maxlen]>,
or <[maxlen]> if there is no L'\0' wide character in first <[maxlen]>
characters.
PORTABILITY
<<wcsnlen>> is GNU extension..
<<wcsnlen>> requires no supporting OS subroutines.
*/
/*
* Copyright (c) 2003, Artem B. Bityuckiy (dedekind@mail.ru).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the above copyright notice,
* this condition statement, and the following disclaimer are retained
* in any redistributions of the source code.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <_ansi.h>
#include <sys/types.h>
#include <wchar.h>
size_t
_DEFUN(wcsnlen, (s, maxlen),
_CONST wchar_t *s _AND
size_t maxlen)
{
_CONST wchar_t *p;
p = s;
while (*p && maxlen-- > 0)
p++;
return (size_t)(p - s);
}

4
newlib/libc/string/wcstrings.tex
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@ -23,6 +23,7 @@ declarations are in @file{wchar.h}.
* wcsncat:: Concatenate wide-character strings
* wcsncmp:: Wide-character string compare
* wcsncpy:: Counted copy wide-character string
* wcsnlen:: Wide-character string length with maximum limit
* wcspbrk:: Find wide-chars in string
* wcsrchr:: Reverse search for wide-character in string
* wcsspn:: Find initial match in wide-character string
@ -82,6 +83,9 @@ declarations are in @file{wchar.h}.
@page
@include string/wcsncpy.def
@page
@include string/wcsnlen.def
@page
@include string/wcspbrk.def