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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/citrus/citrus_none.c	Lines:	6	47	12.8 %
Date:	2017-11-13	Branches:	3	40	7.5 %


/*	$OpenBSD: citrus_none.c,v 1.9 2016/09/07 17:10:43 schwarze Exp $ */
/*	$NetBSD: citrus_none.c,v 1.18 2008/06/14 16:01:07 tnozaki Exp $	*/

/*-
 * Copyright (c)2002 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.
 */

#include <sys/types.h>

#include <errno.h>
#include <string.h>
#include <wchar.h>

#include "citrus_ctype.h"

static char	 wrapv(unsigned char);


/*
 * Convert an unsigned char value into a char value without relying on
 * signed overflow behavior.
 */
static char
wrapv(unsigned char ch)
{
	if (ch >= 0x80)
		return (int)ch - 0x100;
	else
		return ch;
}

size_t
_citrus_none_ctype_mbrtowc(wchar_t * __restrict pwc,
    const char * __restrict s, size_t n)
{
	if (s == NULL)
		return 0;
	if (n == 0)
		return -2;
	if (pwc != NULL)
		*pwc = (wchar_t)(unsigned char)*s;
	return *s != '\0';
}

size_t
_citrus_none_ctype_mbsnrtowcs(wchar_t * __restrict dst,
    const char ** __restrict src, size_t nmc, size_t len)
{
	size_t i;

	if (dst == NULL)
		return strnlen(*src, nmc);

	for (i = 0; i < nmc && i < len; i++)
		if ((dst[i] = (wchar_t)(unsigned char)(*src)[i]) == L'\0') {
			*src = NULL;
			return i;
		}

	*src += i;
	return i;
}

size_t
_citrus_none_ctype_wcrtomb(char * __restrict s, wchar_t wc)
{
	if (s == NULL)
		return 1;

	if (wc < 0 || wc > 0xff) {
		errno = EILSEQ;
		return -1;
	}

	*s = wrapv(wc);
	return 1;
}

size_t
_citrus_none_ctype_wcsnrtombs(char * __restrict dst,
    const wchar_t ** __restrict src, size_t nwc, size_t len)
{
	size_t i;

	if (dst == NULL) {
		for (i = 0; i < nwc; i++) {
			wchar_t wc = (*src)[i];
			if (wc < 0 || wc > 0xff) {
				errno = EILSEQ;
				return -1;
			}
			if (wc == L'\0')
				return i;
		}
		return i;
	}

	for (i = 0; i < nwc && i < len; i++) {
		wchar_t wc = (*src)[i];
		if (wc < 0 || wc > 0xff) {
			*src += i;
			errno = EILSEQ;
			return -1;
		}
		dst[i] = wrapv(wc);
		if (wc == L'\0') {
			*src = NULL;
			return i;
		}
	}
	*src += i;
	return i;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: citrus_none.c,v 1.9 2016/09/07 17:10:43 schwarze Exp $ */
2			/* $NetBSD: citrus_none.c,v 1.18 2008/06/14 16:01:07 tnozaki Exp $ */
3
4			/*-
5			* Copyright (c)2002 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
30			#include <sys/types.h>
31
32			#include <errno.h>
33			#include <string.h>
34			#include <wchar.h>
35
36			#include "citrus_ctype.h"
37
38			static char wrapv(unsigned char);
39
40
41			/*
42			* Convert an unsigned char value into a char value without relying on
43			* signed overflow behavior.
44			*/
45			static char
46			wrapv(unsigned char ch)
47			{
48			if (ch >= 0x80)
49			return (int)ch - 0x100;
50			else
51			return ch;
52			}
53
54			size_t
55			_citrus_none_ctype_mbrtowc(wchar_t * __restrict pwc,
56			const char * __restrict s, size_t n)
57			{
58	✗✓	18558	if (s == NULL)
59			return 0;
60	✗✓	9279	if (n == 0)
61			return -2;
62	✓✗	9279	if (pwc != NULL)
63		9279	pwc = (wchar_t)(unsigned char)s;
64		9279	return *s != '\0';
65		9279	}
66
67			size_t
68			_citrus_none_ctype_mbsnrtowcs(wchar_t * __restrict dst,
69			const char ** __restrict src, size_t nmc, size_t len)
70			{
71			size_t i;
72
73			if (dst == NULL)
74			return strnlen(*src, nmc);
75
76			for (i = 0; i < nmc && i < len; i++)
77			if ((dst[i] = (wchar_t)(unsigned char)(*src)[i]) == L'\0') {
78			*src = NULL;
79			return i;
80			}
81
82			*src += i;
83			return i;
84			}
85
86			size_t
87			_citrus_none_ctype_wcrtomb(char * __restrict s, wchar_t wc)
88			{
89			if (s == NULL)
90			return 1;
91
92			if (wc < 0 \|\| wc > 0xff) {
93			errno = EILSEQ;
94			return -1;
95			}
96
97			*s = wrapv(wc);
98			return 1;
99			}
100
101			size_t
102			_citrus_none_ctype_wcsnrtombs(char * __restrict dst,
103			const wchar_t ** __restrict src, size_t nwc, size_t len)
104			{
105			size_t i;
106
107			if (dst == NULL) {
108			for (i = 0; i < nwc; i++) {
109			wchar_t wc = (*src)[i];
110			if (wc < 0 \|\| wc > 0xff) {
111			errno = EILSEQ;
112			return -1;
113			}
114			if (wc == L'\0')
115			return i;
116			}
117			return i;
118			}
119
120			for (i = 0; i < nwc && i < len; i++) {
121			wchar_t wc = (*src)[i];
122			if (wc < 0 \|\| wc > 0xff) {
123			*src += i;
124			errno = EILSEQ;
125			return -1;
126			}
127			dst[i] = wrapv(wc);
128			if (wc == L'\0') {
129			*src = NULL;
130			return i;
131			}
132			}
133			*src += i;
134			return i;
135			}