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