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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/locale/_wcstod.h	Lines:	0	58	0.0 %
Date:	2017-11-13	Branches:	0	42	0.0 %


/*	$OpenBSD: _wcstod.h,v 1.4 2015/10/01 02:32:07 guenther Exp $	*/
/* $NetBSD: wcstod.c,v 1.4 2001/10/28 12:08:43 yamt Exp $ */

/*-
 * Copyright (c)1999, 2000, 2001 Citrus Project,
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 *	$Citrus: xpg4dl/FreeBSD/lib/libc/locale/wcstod.c,v 1.2 2001/09/27 16:23:57 yamt Exp $
 */

/*
 * function template for wcstof, wcstod and wcstold.
 *
 * parameters:
 *	FUNCNAME : function name
 *      float_type : return type
 *      STRTOD_FUNC : conversion function
 */

float_type
FUNCNAME(const wchar_t *nptr, wchar_t **endptr)
{
	const wchar_t *src;
	size_t size;
	const wchar_t *start;
	const wchar_t *aftersign;

	/*
	 * check length of string and call strtod
	 */
	src = nptr;

	/* skip space first */
	while (iswspace(*src)) {
		src++;
	}

	/* get length of string */
	start = src;
	if (*src && wcschr(L"+-", *src))
		src++;
	aftersign = src;
	if (wcsncasecmp(src, L"inf", 3) == 0) {
		src += 3;
		if (wcsncasecmp(src, L"inity", 5) == 0)
			src += 5;
		goto match;
	}
	if (wcsncasecmp(src, L"nan", 3) == 0) {
		src += 3;
		if (*src == L'(') {
			size = 1;
			while (src[size] != L'\0' && src[size] != L')')
				size++;
			if (src[size] == L')')
				src += size + 1;
		}
		goto match;
	}
	size = wcsspn(src, L"0123456789");
	src += size;
	if (*src == L'.') {/* XXX use localeconv */
		src++;
		size = wcsspn(src, L"0123456789");
		src += size;
	}
	if (*src && wcschr(L"Ee", *src)) {
		src++;
		if (*src && wcschr(L"+-", *src))
			src++;
		size = wcsspn(src, L"0123456789");
		src += size;
	}
match:
	size = src - start;

	/*
	 * convert to a char-string and pass it to strtod.
	 */
	if (src > aftersign) {
		mbstate_t st;
		char *buf;
		char *end;
		const wchar_t *s;
		size_t size_converted;
		float_type result;
		size_t bufsize;

		s = start;
		memset(&st, 0, sizeof(st));
		bufsize = wcsnrtombs(NULL, &s, size, 0, &st);

		buf = malloc(bufsize + 1);
		if (!buf) {
			errno = ENOMEM; /* XXX */
			goto fail;
		}

		s = start;
		memset(&st, 0, sizeof(st));
		size_converted = wcsnrtombs(buf, &s, size, bufsize, &st);
		if (size_converted != bufsize) {
			/* XXX should not happen */
			free(buf);
			errno = EILSEQ;
			goto fail;
		}

		buf[bufsize] = 0;
		result = STRTOD_FUNC(buf, &end);

		if (endptr) {
			const char *s = buf;
			memset(&st, 0, sizeof(st));
			size = mbsnrtowcs(NULL, &s, end - buf, 0, &st);
			*endptr = (wchar_t*)start + size;
		}

		free(buf);

		return result;
	}

fail:
	if (endptr)
		*endptr = (wchar_t*)nptr;

	return 0;
}
DEF_STRONG(FUNCNAME);


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: _wcstod.h,v 1.4 2015/10/01 02:32:07 guenther Exp $ */
2			/* $NetBSD: wcstod.c,v 1.4 2001/10/28 12:08:43 yamt Exp $ */
3
4			/*-
5			* Copyright (c)1999, 2000, 2001 Citrus Project,
6			* 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			*
17			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27			* SUCH DAMAGE.
28			*
29			* $Citrus: xpg4dl/FreeBSD/lib/libc/locale/wcstod.c,v 1.2 2001/09/27 16:23:57 yamt Exp $
30			*/
31
32			/*
33			* function template for wcstof, wcstod and wcstold.
34			*
35			* parameters:
36			* FUNCNAME : function name
37			* float_type : return type
38			* STRTOD_FUNC : conversion function
39			*/
40
41			float_type
42			FUNCNAME(const wchar_t nptr, wchar_t *endptr)
43			{
44			const wchar_t *src;
45			size_t size;
46			const wchar_t *start;
47			const wchar_t *aftersign;
48
49			/*
50			* check length of string and call strtod
51			*/
52			src = nptr;
53
54			/* skip space first */
55			while (iswspace(*src)) {
56			src++;
57			}
58
59			/* get length of string */
60			start = src;
61			if (src && wcschr(L"+-", src))
62			src++;
63			aftersign = src;
64			if (wcsncasecmp(src, L"inf", 3) == 0) {
65			src += 3;
66			if (wcsncasecmp(src, L"inity", 5) == 0)
67			src += 5;
68			goto match;
69			}
70			if (wcsncasecmp(src, L"nan", 3) == 0) {
71			src += 3;
72			if (*src == L'(') {
73			size = 1;
74			while (src[size] != L'\0' && src[size] != L')')
75			size++;
76			if (src[size] == L')')
77			src += size + 1;
78			}
79			goto match;
80			}
81			size = wcsspn(src, L"0123456789");
82			src += size;
83			if (src == L'.') {/ XXX use localeconv */
84			src++;
85			size = wcsspn(src, L"0123456789");
86			src += size;
87			}
88			if (src && wcschr(L"Ee", src)) {
89			src++;
90			if (src && wcschr(L"+-", src))
91			src++;
92			size = wcsspn(src, L"0123456789");
93			src += size;
94			}
95			match:
96			size = src - start;
97
98			/*
99			* convert to a char-string and pass it to strtod.
100			*/
101			if (src > aftersign) {
102			mbstate_t st;
103			char *buf;
104			char *end;
105			const wchar_t *s;
106			size_t size_converted;
107			float_type result;
108			size_t bufsize;
109
110			s = start;
111			memset(&st, 0, sizeof(st));
112			bufsize = wcsnrtombs(NULL, &s, size, 0, &st);
113
114			buf = malloc(bufsize + 1);
115			if (!buf) {
116			errno = ENOMEM; /* XXX */
117			goto fail;
118			}
119
120			s = start;
121			memset(&st, 0, sizeof(st));
122			size_converted = wcsnrtombs(buf, &s, size, bufsize, &st);
123			if (size_converted != bufsize) {
124			/* XXX should not happen */
125			free(buf);
126			errno = EILSEQ;
127			goto fail;
128			}
129
130			buf[bufsize] = 0;
131			result = STRTOD_FUNC(buf, &end);
132
133			if (endptr) {
134			const char *s = buf;
135			memset(&st, 0, sizeof(st));
136			size = mbsnrtowcs(NULL, &s, end - buf, 0, &st);
137			endptr = (wchar_t)start + size;
138			}
139
140			free(buf);
141
142			return result;
143			}
144
145			fail:
146			if (endptr)
147			endptr = (wchar_t)nptr;
148
149			return 0;
150			}
151			DEF_STRONG(FUNCNAME);