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git.proxmox.com Git - mirror_edk2.git/blob - StdLib/LibC/Locale/_wcstol.h
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39 @(#)strtol.c 8.1 (Berkeley) 6/4/93
40 NetBSD: wcstol.c,v 1.1 2001/09/27 16:30:36 yamt Exp
41 Citrus: xpg4dl/FreeBSD/lib/libc/locale/wcstol.c,v 1.2 2001/09/21 16:11:41 yamt Exp
42 NetBSD: _wcstol.h,v 1.3 2005/11/29 03:11:59 christos Exp
46 * function template for wcstol, wcstoll and wcstoimax.
49 * _FUNCNAME : function name
50 * __wINT : return type
51 * __wINT_MIN : lower limit of the return type
52 * __wINT_MAX : upper limit of the return type
68 _DIAGASSERT(nptr
!= NULL
);
69 /* endptr may be NULL */
72 (void)&acc
; (void)&cutoff
;
75 /* check base value */
76 if (base
&& (base
< 2 || base
> 36)) {
82 * Skip white space and pick up leading +/- sign if any.
83 * If base is 0, allow 0x for hex and 0 for octal, else
84 * assume decimal; if base is already 16, allow 0x.
89 } while (iswspace(wc
));
98 if ((base
== 0 || base
== 16) &&
99 wc
== L
'0' && (*s
== L
'x' || *s
== L
'X')) {
105 base
= ((wc
== L
'0') ? 8 : 10);
108 * See strtol for comments as to the logic used.
110 cutoff
= neg
? __wINT_MIN
: __wINT_MAX
;
111 cutlim
= (int)(cutoff
% base
);
120 for (acc
= 0, any
= 0;; wc
= (wchar_t) *s
++) {
121 i
= __wctoint((wchar_t)wc
);
129 if (acc
< cutoff
|| (acc
== cutoff
&& i
> cutlim
)) {
139 if (acc
> cutoff
|| (acc
== cutoff
&& i
> cutlim
)) {
151 *endptr
= __UNCONST(any
? s
- 1 : nptr
);