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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/locale/_wcstol.h	Lines:	0	44	0.0 %
Date:	2017-11-07	Branches:	0	44	0.0 %


/*	$OpenBSD: _wcstol.h,v 1.3 2015/10/01 02:32:07 guenther Exp $	*/
/* $NetBSD: _wcstol.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:
 * @(#)strtol.c	8.1 (Berkeley) 6/4/93
 * NetBSD: wcstol.c,v 1.1 2001/09/27 16:30:36 yamt Exp
 * Citrus: xpg4dl/FreeBSD/lib/libc/locale/wcstol.c,v 1.2 2001/09/21 16:11:41 yamt Exp
 */

/*
 * function template for wcstol, wcstoll and wcstoimax.
 *
 * parameters:
 *	FUNCNAME : function name
 *      int_type : return type
 *      MIN_VALUE : lower limit of the return type
 *      MAX_VALUE : upper limit of the return type
 */

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

	/* check base value */
	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 strtol for comments as to the logic used.
	 */
	cutoff = neg ? MIN_VALUE : MAX_VALUE;
	cutlim = (int)(cutoff % base);
	cutoff /= base;
	if (neg) {
		if (cutlim > 0) {
			cutlim -= base;
			cutoff += 1;
		}
		cutlim = -cutlim;
	}
	for (acc = 0, any = 0;; wc = (wchar_t) *s++) {
		i = wctoint(wc);
		if (i == -1)
			break;
		if (i >= base)
			break;
		if (any < 0)
			continue;
		if (neg) {
			if (acc < cutoff || (acc == cutoff && i > cutlim)) {
				any = -1;
				acc = MIN_VALUE;
				errno = ERANGE;
			} else {
				any = 1;
				acc *= base;
				acc -= i;
			}
		} else {
			if (acc > cutoff || (acc == cutoff && i > cutlim)) {
				any = -1;
				acc = MAX_VALUE;
				errno = ERANGE;
			} else {
				any = 1;
				acc *= base;
				acc += i;
			}
		}
	}
	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: _wcstol.h,v 1.3 2015/10/01 02:32:07 guenther Exp $ */
2			/* $NetBSD: _wcstol.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			* @(#)strtol.c 8.1 (Berkeley) 6/4/93
34			* NetBSD: wcstol.c,v 1.1 2001/09/27 16:30:36 yamt Exp
35			* Citrus: xpg4dl/FreeBSD/lib/libc/locale/wcstol.c,v 1.2 2001/09/21 16:11:41 yamt Exp
36			*/
37
38			/*
39			* function template for wcstol, wcstoll and wcstoimax.
40			*
41			* parameters:
42			* FUNCNAME : function name
43			* int_type : return type
44			* MIN_VALUE : lower limit of the return type
45			* MAX_VALUE : upper limit of the return type
46			*/
47
48			int_type
49			FUNCNAME(const wchar_t nptr, wchar_t *endptr, int base)
50			{
51			const wchar_t *s;
52			int_type acc, cutoff;
53			wint_t wc;
54			int i;
55			int neg, any, cutlim;
56
57			/* check base value */
58			if (base && (base < 2 \|\| base > 36)) {
59			errno = EINVAL;
60			return 0;
61			}
62
63			/*
64			* Skip white space and pick up leading +/- sign if any.
65			* If base is 0, allow 0x for hex and 0 for octal, else
66			* assume decimal; if base is already 16, allow 0x.
67			*/
68			s = nptr;
69			do {
70			wc = (wchar_t) *s++;
71			} while (iswspace(wc));
72			if (wc == L'-') {
73			neg = 1;
74			wc = *s++;
75			} else {
76			neg = 0;
77			if (wc == L'+')
78			wc = *s++;
79			}
80			if ((base == 0 \|\| base == 16) &&
81			wc == L'0' && (s == L'x' \|\| s == L'X')) {
82			wc = s[1];
83			s += 2;
84			base = 16;
85			}
86			if (base == 0)
87			base = wc == L'0' ? 8 : 10;
88
89			/*
90			* See strtol for comments as to the logic used.
91			*/
92			cutoff = neg ? MIN_VALUE : MAX_VALUE;
93			cutlim = (int)(cutoff % base);
94			cutoff /= base;
95			if (neg) {
96			if (cutlim > 0) {
97			cutlim -= base;
98			cutoff += 1;
99			}
100			cutlim = -cutlim;
101			}
102			for (acc = 0, any = 0;; wc = (wchar_t) *s++) {
103			i = wctoint(wc);
104			if (i == -1)
105			break;
106			if (i >= base)
107			break;
108			if (any < 0)
109			continue;
110			if (neg) {
111			if (acc < cutoff \|\| (acc == cutoff && i > cutlim)) {
112			any = -1;
113			acc = MIN_VALUE;
114			errno = ERANGE;
115			} else {
116			any = 1;
117			acc *= base;
118			acc -= i;
119			}
120			} else {
121			if (acc > cutoff \|\| (acc == cutoff && i > cutlim)) {
122			any = -1;
123			acc = MAX_VALUE;
124			errno = ERANGE;
125			} else {
126			any = 1;
127			acc *= base;
128			acc += i;
129			}
130			}
131			}
132			if (endptr != 0)
133			endptr = (wchar_t )(any ? s - 1 : nptr);
134			return (acc);
135			}
136			DEF_STRONG(FUNCNAME);