2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1992, 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.
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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.
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37 #include <sys/cdefs.h>
39 #if defined(LIBC_SCCS) && !defined(lint)
40 static char sccsid[] = "from @(#)strtol.c 8.1 (Berkeley) 6/4/93";
41 #endif /* LIBC_SCCS and not lint */
42 __FBSDID("FreeBSD: src/lib/libc/stdlib/strtoimax.c,v 1.8 2002/09/06 11:23:59 tjr Exp ");
49 #include "xlocale_private.h"
52 * Convert a wide character string to an intmax_t integer.
55 wcstoimax_l(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr,
56 int base, locale_t locale)
66 * See strtoimax for comments as to the logic used.
71 } while (iswspace_l(c, locale));
80 if ((base == 0 || base == 16) &&
81 c == L'0' && (*s == L'x' || *s == L'X')) {
87 base = c == L'0' ? 8 : 10;
89 if (base < 2 || base > 36)
92 cutoff = neg ? (uintmax_t)-(INTMAX_MIN + INTMAX_MAX) + INTMAX_MAX
94 cutlim = cutoff % base;
98 if (iswdigit_l(c, locale))
99 c = digittoint_l(c, locale);
102 if (c >= L'0' && c <= L'9')
104 else if (c >= L'A' && c <= L'Z')
106 else if (c >= 'a' && c <= 'z')
112 if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
121 acc = neg ? INTMAX_MIN : INTMAX_MAX;
129 *endptr = (wchar_t *)(any ? s - 1 : nptr);
133 wcstoimax(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr,
136 return wcstoimax_l(nptr, endptr, base, __get_locale());