Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/locale/_wcstoul.h	Lines:	0	34	0.0 %
Date:	2017-11-13	Branches:	0	34	0.0 %


/*	$OpenBSD: _wcstoul.h,v 1.3 2015/10/01 02:32:07 guenther Exp $	*/
/* $NetBSD: _wcstoul.h,v 1.2 2003/08/07 16:43:03 agc Exp $ */

/*
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Original version ID:
 * @(#)strtoul.c	8.1 (Berkeley) 6/4/93
 * Citrus: xpg4dl/FreeBSD/lib/libc/locale/wcstoul.c,v 1.2 2001/09/21 16:11:41 yamt Exp
 * NetBSD: wcstoul.c,v 1.1 2001/09/27 16:30:37 yamt Exp
 */

/*
 * function template for wcstoul, wcstoull and wcstoumax.
 *
 * parameters:
 *	FUNCNAME  : function name
 *      uint_type : return type
 *      MAX_VALUE : upper limit of the return type
 */

uint_type
FUNCNAME(const wchar_t *nptr, wchar_t **endptr, int base)
{
	const wchar_t *s;
	uint_type acc, cutoff;
	wint_t wc;
	int i;
	int neg, any, cutlim;

	if (base && (base < 2 || base > 36)) {
		errno = EINVAL;
		return 0;
	}

	/*
	 * Skip white space and pick up leading +/- sign if any.
	 * If base is 0, allow 0x for hex and 0 for octal, else
	 * assume decimal; if base is already 16, allow 0x.
	 */
	s = nptr;
	do {
		wc = (wchar_t) *s++;
	} while (iswspace(wc));
	if (wc == L'-') {
		neg = 1;
		wc = *s++;
	} else {
		neg = 0;
		if (wc == L'+')
			wc = *s++;
	}
	if ((base == 0 || base == 16) &&
	    wc == L'0' && (*s == L'x' || *s == L'X')) {
		wc = s[1];
		s += 2;
		base = 16;
	}
	if (base == 0)
		base = wc == L'0' ? 8 : 10;

	/*
	 * See strtoul for comments as to the logic used.
	 */
	cutoff = MAX_VALUE / (uint_type)base;
	cutlim = (int)(MAX_VALUE % (uint_type)base);
	for (acc = 0, any = 0;; wc = (wchar_t) *s++) {
		i = wctoint(wc);
		if (i == (wint_t)-1)
			break;
		if (i >= base)
			break;
		if (any < 0)
			continue;
		if (acc > cutoff || (acc == cutoff && i > cutlim)) {
			any = -1;
			acc = MAX_VALUE;
			errno = ERANGE;
		} else {
			any = 1;
			acc *= (uint_type)base;
			acc += i;
		}
	}
	if (neg && any > 0)
		acc = -acc;
	if (endptr != 0)
		*endptr = (wchar_t *)(any ? s - 1 : nptr);
	return (acc);
}
DEF_STRONG(FUNCNAME);


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: _wcstoul.h,v 1.3 2015/10/01 02:32:07 guenther Exp $ */
2			/* $NetBSD: _wcstoul.h,v 1.2 2003/08/07 16:43:03 agc Exp $ */
3
4			/*
5			* Copyright (c) 1990, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*
32			* Original version ID:
33			* @(#)strtoul.c 8.1 (Berkeley) 6/4/93
34			* Citrus: xpg4dl/FreeBSD/lib/libc/locale/wcstoul.c,v 1.2 2001/09/21 16:11:41 yamt Exp
35			* NetBSD: wcstoul.c,v 1.1 2001/09/27 16:30:37 yamt Exp
36			*/
37
38			/*
39			* function template for wcstoul, wcstoull and wcstoumax.
40			*
41			* parameters:
42			* FUNCNAME : function name
43			* uint_type : return type
44			* MAX_VALUE : upper limit of the return type
45			*/
46
47			uint_type
48			FUNCNAME(const wchar_t nptr, wchar_t *endptr, int base)
49			{
50			const wchar_t *s;
51			uint_type acc, cutoff;
52			wint_t wc;
53			int i;
54			int neg, any, cutlim;
55
56			if (base && (base < 2 \|\| base > 36)) {
57			errno = EINVAL;
58			return 0;
59			}
60
61			/*
62			* Skip white space and pick up leading +/- sign if any.
63			* If base is 0, allow 0x for hex and 0 for octal, else
64			* assume decimal; if base is already 16, allow 0x.
65			*/
66			s = nptr;
67			do {
68			wc = (wchar_t) *s++;
69			} while (iswspace(wc));
70			if (wc == L'-') {
71			neg = 1;
72			wc = *s++;
73			} else {
74			neg = 0;
75			if (wc == L'+')
76			wc = *s++;
77			}
78			if ((base == 0 \|\| base == 16) &&
79			wc == L'0' && (s == L'x' \|\| s == L'X')) {
80			wc = s[1];
81			s += 2;
82			base = 16;
83			}
84			if (base == 0)
85			base = wc == L'0' ? 8 : 10;
86
87			/*
88			* See strtoul for comments as to the logic used.
89			*/
90			cutoff = MAX_VALUE / (uint_type)base;
91			cutlim = (int)(MAX_VALUE % (uint_type)base);
92			for (acc = 0, any = 0;; wc = (wchar_t) *s++) {
93			i = wctoint(wc);
94			if (i == (wint_t)-1)
95			break;
96			if (i >= base)
97			break;
98			if (any < 0)
99			continue;
100			if (acc > cutoff \|\| (acc == cutoff && i > cutlim)) {
101			any = -1;
102			acc = MAX_VALUE;
103			errno = ERANGE;
104			} else {
105			any = 1;
106			acc *= (uint_type)base;
107			acc += i;
108			}
109			}
110			if (neg && any > 0)
111			acc = -acc;
112			if (endptr != 0)
113			endptr = (wchar_t )(any ? s - 1 : nptr);
114			return (acc);
115			}
116			DEF_STRONG(FUNCNAME);