2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Copyright (c) 2011 The FreeBSD Foundation
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
45 #include "xlocale_private.h"
48 * Convert a string to a long integer.
51 wcstol_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, int
52 base, locale_t locale)
62 * See strtol for comments as to the logic used.
67 } while (iswspace_l(c, locale));
76 if ((base == 0 || base == 16) &&
77 c == L'0' && (*s == L'x' || *s == L'X')) {
83 base = c == L'0' ? 8 : 10;
85 if (base < 2 || base > 36)
88 cutoff = neg ? (unsigned long)-(LONG_MIN + LONG_MAX) + LONG_MAX
90 cutlim = cutoff % base;
94 if (iswdigit_l(c, locale))
95 c = digittoint_l(c, locale);
98 if (c >= L'0' && c <= L'9')
100 else if (c >= L'A' && c <= L'Z')
102 else if (c >= L'a' && c <= L'z')
108 if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
117 acc = neg ? LONG_MIN : LONG_MAX;
125 *endptr = (wchar_t *)(any ? s - 1 : nptr);
129 wcstol(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, int base)
131 return wcstol_l(nptr, endptr, base, __get_locale());