2 * Copyright (c) 1990, 1993
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6 * modification, are permitted provided that the following conditions
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Original version ID:
30 * $NetBSD: src/lib/libc/locale/_wcstoul.h,v 1.2 2003/08/07 16:43:03 agc Exp $
33 #define _LOCALE_NAME(func) func ## _l
34 #define _MAKE_LOCALE_NAME(func) _LOCALE_NAME(func)
35 #define _FUNCNAME_L _MAKE_LOCALE_NAME(_FUNCNAME)
38 * function template for strtoul, strtoull and strtoumax.
41 * _FUNCNAME : function name
42 * __UINT : return type
43 * __UINT_MAX : upper limit of the return type
47 _FUNCNAME_L(const char * __restrict nptr, char ** __restrict endptr, int base,
53 int i, neg, any, cutlim;
55 _DIAGASSERT(nptr != NULL);
56 /* endptr may be NULL */
60 /* check base value */
61 if (base && (base < 2 || base > 36)) {
67 * Skip white space and pick up leading +/- sign if any.
68 * If base is 0, allow 0x for hex and 0 for octal, else
69 * assume decimal; if base is already 16, allow 0x.
74 } while (isspace_l((unsigned char)c, locale));
83 if ((base == 0 || base == 16) &&
84 c == '0' && (*s == 'x' || *s == 'X')) {
90 base = c == '0' ? 8 : 10;
93 * See strtol for comments as to the logic used.
95 cutoff = __UINT_MAX / (__UINT)base;
96 cutlim = (int)(__UINT_MAX % (__UINT)base);
97 for (acc = 0, any = 0;; c = *s++) {
103 i = c - (isupper(c) ? 'A' - 10 : 'a' - 10);
110 if (acc > cutoff || (acc == cutoff && i > cutlim)) {
123 /* LINTED interface specification */
124 *endptr = __DECONST(char *, (any ? s - 1 : nptr));
130 _FUNCNAME(const char * __restrict nptr, char ** __restrict endptr, int base)
132 return _FUNCNAME_L(nptr, endptr, base, __get_locale());