Add wcstol() and wcstoul(), based on strtol() and strtoul().
This commit is contained in:
Tim J. Robbins
parent
524cb6766e
commit
5fd1762445
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=103097
@ -148,6 +148,9 @@ wchar_t *wcsstr(const wchar_t * __restrict, const wchar_t * __restrict);
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int wctob(wint_t);
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wchar_t *wcstok(wchar_t * __restrict, const wchar_t * __restrict,
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wchar_t ** __restrict);
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long wcstol(const wchar_t * __restrict, wchar_t ** __restrict, int);
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unsigned long
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wcstoul(const wchar_t * __restrict, wchar_t ** __restrict, int);
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wchar_t *wmemchr(const wchar_t *, wchar_t, size_t);
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int wmemcmp(const wchar_t *, const wchar_t *, size_t);
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wchar_t *wmemcpy(wchar_t * __restrict, const wchar_t * __restrict, size_t);
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@ -11,8 +11,8 @@ SRCS+= big5.c btowc.c collate.c collcmp.c euc.c fix_grouping.c frune.c \
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mbrtowc.c mbrune.c mbsinit.c mbsrtowcs.c mbtowc.c mbstowcs.c \
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mskanji.c nl_langinfo.c nomacros.c none.c rune.c \
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runetype.c setinvalidrune.c setlocale.c setrunelocale.c table.c \
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tolower.c toupper.c utf2.c wcrtomb.c wcsrtombs.c wcstombs.c \
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wctob.c wctomb.c wctrans.c wctype.c wcwidth.c
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tolower.c toupper.c utf2.c wcrtomb.c wcsrtombs.c wcstol.c wcstombs.c \
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wcstoul.c wctob.c wctomb.c wctrans.c wctype.c wcwidth.c
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.if ${LIB} == "c"
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MAN+= btowc.3 \
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@ -22,8 +22,8 @@ MAN+= btowc.3 \
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mbsrtowcs.3 multibyte.3 \
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nl_langinfo.3 \
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rune.3 \
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setlocale.3 toascii.3 tolower.3 toupper.3 towlower.3 wcsrtombs.3 \
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wcrtomb.3 \
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setlocale.3 toascii.3 tolower.3 toupper.3 towlower.3 wcrtomb.3 \
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wcsrtombs.3 wcstol.3 \
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wctrans.3 wctype.3 wcwidth.3
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MAN+= euc.4 utf2.4
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@ -45,6 +45,7 @@ MLINKS+=rune.3 fgetrune.3 rune.3 fputrune.3 rune.3 fungetrune.3 \
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rune.3 sputrune.3
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MLINKS+=setlocale.3 localeconv.3
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MLINKS+=towlower.3 towupper.3
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MLINKS+=wcstol.3 wcstoul.3
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MLINKS+=wctrans.3 towctrans.3
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MLINKS+=wctype.3 iswctype.3
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.endif
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69
lib/libc/locale/wcstol.3
Normal file
69
lib/libc/locale/wcstol.3
Normal file
@ -0,0 +1,69 @@
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.\" Copyright (c) 2002 Tim J. Robbins
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 7, 2002
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.Dt WCSTOL 3
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.Os
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.Sh NAME
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.Nm wcstol , wcstoul
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.Nd "convert a wide character string value to a"
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.Vt long
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or
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.Vt "unsigned long"
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integer
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In wchar.h
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.Ft long
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.Fn wcstol "const wchar_t * restrict nptr" "wchar_t * restrict endptr" "int base"
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.Ft "unsigned long"
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.Fn wcstoul "const wchar_t * restrict nptr" "wchar_t * restrict endptr" "int base"
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.Sh DESCRIPTION
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The
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.Fn wcstol
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and
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.Fn wcstoul
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functions are wide-character versions of the
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.Fn strtol
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and
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.Fn strtoul
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functions.
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Refer to
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.Xr strtol 3
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and
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.Xr strtoul 3
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for details.
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.Sh SEE ALSO
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.Xr strtol 3 ,
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.Xr strtoul 3
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.Sh STANDARDS
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The
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.Fn wcstol
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and
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.Fn wcstoul
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functions conform to
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.St -isoC-99 .
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121
lib/libc/locale/wcstol.c
Normal file
121
lib/libc/locale/wcstol.c
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@ -0,0 +1,121 @@
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <wchar.h>
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#include <wctype.h>
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/*
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* Convert a string to a long integer.
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*/
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long
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wcstol(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, int base)
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{
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const wchar_t *s;
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unsigned long acc;
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wchar_t c;
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unsigned long cutoff;
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int neg, any, cutlim;
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/*
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* See strtol for comments as to the logic used.
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*/
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s = nptr;
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do {
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c = *s++;
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} while (iswspace(c));
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if (c == '-') {
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neg = 1;
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c = *s++;
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} else {
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neg = 0;
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if (c == L'+')
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c = *s++;
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}
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if ((base == 0 || base == 16) &&
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c == L'0' && (*s == L'x' || *s == L'X')) {
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c = s[1];
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s += 2;
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base = 16;
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}
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if (base == 0)
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base = c == L'0' ? 8 : 10;
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acc = any = 0;
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if (base < 2 || base > 36)
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goto noconv;
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cutoff = neg ? (unsigned long)-(LONG_MIN + LONG_MAX) + LONG_MAX
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: LONG_MAX;
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cutlim = cutoff % base;
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cutoff /= base;
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for ( ; ; c = *s++) {
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#ifdef notyet
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if (iswdigit(c))
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c = digittoint(c);
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else
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#endif
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if (c >= L'0' && c <= L'9')
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c -= L'0';
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else if (c >= L'A' && c <= L'Z')
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c -= L'A' - 10;
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else if (c >= L'a' && c <= L'z')
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c -= L'a' - 10;
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else
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break;
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if (c >= base)
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break;
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if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
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any = -1;
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else {
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any = 1;
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acc *= base;
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acc += c;
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}
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}
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if (any < 0) {
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acc = neg ? LONG_MIN : LONG_MAX;
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errno = ERANGE;
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} else if (!any) {
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noconv:
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errno = EINVAL;
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} else if (neg)
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acc = -acc;
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if (endptr != NULL)
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*endptr = (wchar_t *)(any ? s - 1 : nptr);
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return (acc);
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}
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119
lib/libc/locale/wcstoul.c
Normal file
119
lib/libc/locale/wcstoul.c
Normal file
@ -0,0 +1,119 @@
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/*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <wchar.h>
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#include <wctype.h>
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/*
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* Convert a wide character string to an unsigned long integer.
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*/
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unsigned long
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wcstoul(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, int base)
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{
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const wchar_t *s;
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unsigned long acc;
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wchar_t c;
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unsigned long cutoff;
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int neg, any, cutlim;
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/*
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* See strtol for comments as to the logic used.
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*/
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s = nptr;
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do {
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c = *s++;
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} while (iswspace(c));
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if (c == L'-') {
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neg = 1;
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c = *s++;
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} else {
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neg = 0;
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if (c == L'+')
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c = *s++;
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}
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if ((base == 0 || base == 16) &&
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c == L'0' && (*s == L'x' || *s == L'X')) {
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c = s[1];
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s += 2;
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base = 16;
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}
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if (base == 0)
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base = c == L'0' ? 8 : 10;
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acc = any = 0;
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if (base < 2 || base > 36)
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goto noconv;
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cutoff = ULONG_MAX / base;
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cutlim = ULONG_MAX % base;
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for ( ; ; c = *s++) {
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#ifdef notyet
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if (iswdigit(c))
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c = digittoint(c);
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else
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#endif
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if (c >= L'0' && c <= L'9')
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c -= L'0';
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else if (c >= L'A' && c <= L'Z')
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c -= L'A' - 10;
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else if (c >= L'a' && c <= L'z')
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c -= L'a' - 10;
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else
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break;
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if (c >= base)
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break;
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if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
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any = -1;
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else {
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any = 1;
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acc *= base;
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acc += c;
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}
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}
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if (any < 0) {
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acc = ULONG_MAX;
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errno = ERANGE;
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} else if (!any) {
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noconv:
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errno = EINVAL;
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} else if (neg)
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acc = -acc;
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if (endptr != NULL)
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*endptr = (wchar_t *)(any ? s - 1 : nptr);
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return (acc);
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}
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