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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcurses/tinfo/strings.c	Lines:	0	29	0.0 %
Date:	2017-11-13	Branches:	0	20	0.0 %


/* $OpenBSD: strings.c,v 1.4 2010/01/12 23:22:06 nicm Exp $ */

/****************************************************************************
 * Copyright (c) 2000-2003,2007 Free Software Foundation, Inc.              *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *  Author: Thomas E. Dickey                                                *
 ****************************************************************************/

/*
**	lib_mvcur.c
**/

#include <curses.priv.h>

MODULE_ID("$Id: strings.c,v 1.4 2010/01/12 23:22:06 nicm Exp $")

/****************************************************************************
 * Useful string functions (especially for mvcur)
 ****************************************************************************/

#if !HAVE_STRSTR
NCURSES_EXPORT(char *)
_nc_strstr(const char *haystack, const char *needle)
{
    size_t len1 = strlen(haystack);
    size_t len2 = strlen(needle);
    char *result = 0;

    while ((len1 != 0) && (len1-- >= len2)) {
	if (!strncmp(haystack, needle, len2)) {
	    result = (char *) haystack;
	    break;
	}
	haystack++;
    }
    return result;
}
#endif

/*
 * Initialize the descriptor so we can append to it.  Note that 'src' may
 * be a null pointer (see _nc_str_null), so the corresponding strcat and
 * strcpy calls have to allow for this.
 */
NCURSES_EXPORT(string_desc *)
_nc_str_init(string_desc * dst, char *src, size_t len)
{
    if (dst != 0) {
	dst->s_head = src;
	dst->s_tail = src;
	dst->s_size = len - 1;
	dst->s_init = dst->s_size;
	if (src != 0)
	    *src = 0;
    }
    return dst;
}

/*
 * Initialize the descriptor for only tracking the amount of memory used.
 */
NCURSES_EXPORT(string_desc *)
_nc_str_null(string_desc * dst, size_t len)
{
    return _nc_str_init(dst, 0, len);
}

/*
 * Copy a descriptor
 */
NCURSES_EXPORT(string_desc *)
_nc_str_copy(string_desc * dst, string_desc * src)
{
    *dst = *src;
    return dst;
}

/*
 * Replaces strcat into a fixed buffer, returning false on failure.
 */
NCURSES_EXPORT(bool)
_nc_safe_strcat(string_desc * dst, const char *src)
{
    if (src != 0) {
	size_t len = strlen(src);

	if (len < dst->s_size) {
	    if (dst->s_tail != 0) {
		strlcpy(dst->s_tail, src, dst->s_size);
		dst->s_tail += len;
	    }
	    dst->s_size -= len;
	    return TRUE;
	}
    }
    return FALSE;
}

/*
 * Replaces strcpy into a fixed buffer, returning false on failure.
 */
NCURSES_EXPORT(bool)
_nc_safe_strcpy(string_desc * dst, const char *src)
{
    if (src != 0) {
	size_t len = strlen(src);

	if (len < dst->s_size) {
	    if (dst->s_head != 0) {
		strlcpy(dst->s_head, src, dst->s_size);
		dst->s_tail = dst->s_head + len;
	    }
	    dst->s_size = dst->s_init - len;
	    return TRUE;
	}
    }
    return FALSE;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: strings.c,v 1.4 2010/01/12 23:22:06 nicm Exp $ */
2
3			/****************************************************************************
4			* Copyright (c) 2000-2003,2007 Free Software Foundation, Inc. *
5			* *
6			* Permission is hereby granted, free of charge, to any person obtaining a *
7			* copy of this software and associated documentation files (the *
8			* "Software"), to deal in the Software without restriction, including *
9			* without limitation the rights to use, copy, modify, merge, publish, *
10			* distribute, distribute with modifications, sublicense, and/or sell *
11			* copies of the Software, and to permit persons to whom the Software is *
12			* furnished to do so, subject to the following conditions: *
13			* *
14			* The above copyright notice and this permission notice shall be included *
15			* in all copies or substantial portions of the Software. *
16			* *
17			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
18			* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
19			* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
20			* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
21			* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
22			* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
23			* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24			* *
25			* Except as contained in this notice, the name(s) of the above copyright *
26			* holders shall not be used in advertising or otherwise to promote the *
27			* sale, use or other dealings in this Software without prior written *
28			* authorization. *
29			****************************************************************************/
30
31			/****************************************************************************
32			* Author: Thomas E. Dickey *
33			****************************************************************************/
34
35			/*
36			** lib_mvcur.c
37			**/
38
39			#include <curses.priv.h>
40
41			MODULE_ID("$Id: strings.c,v 1.4 2010/01/12 23:22:06 nicm Exp $")
42
43			/****************************************************************************
44			* Useful string functions (especially for mvcur)
45			****************************************************************************/
46
47			#if !HAVE_STRSTR
48			NCURSES_EXPORT(char *)
49			_nc_strstr(const char haystack, const char needle)
50			{
51			size_t len1 = strlen(haystack);
52			size_t len2 = strlen(needle);
53			char *result = 0;
54
55			while ((len1 != 0) && (len1-- >= len2)) {
56			if (!strncmp(haystack, needle, len2)) {
57			result = (char *) haystack;
58			break;
59			}
60			haystack++;
61			}
62			return result;
63			}
64			#endif
65
66			/*
67			* Initialize the descriptor so we can append to it. Note that 'src' may
68			* be a null pointer (see _nc_str_null), so the corresponding strcat and
69			* strcpy calls have to allow for this.
70			*/
71			NCURSES_EXPORT(string_desc *)
72			_nc_str_init(string_desc * dst, char *src, size_t len)
73			{
74			if (dst != 0) {
75			dst->s_head = src;
76			dst->s_tail = src;
77			dst->s_size = len - 1;
78			dst->s_init = dst->s_size;
79			if (src != 0)
80			*src = 0;
81			}
82			return dst;
83			}
84
85			/*
86			* Initialize the descriptor for only tracking the amount of memory used.
87			*/
88			NCURSES_EXPORT(string_desc *)
89			_nc_str_null(string_desc * dst, size_t len)
90			{
91			return _nc_str_init(dst, 0, len);
92			}
93
94			/*
95			* Copy a descriptor
96			*/
97			NCURSES_EXPORT(string_desc *)
98			_nc_str_copy(string_desc * dst, string_desc * src)
99			{
100			dst = src;
101			return dst;
102			}
103
104			/*
105			* Replaces strcat into a fixed buffer, returning false on failure.
106			*/
107			NCURSES_EXPORT(bool)
108			_nc_safe_strcat(string_desc * dst, const char *src)
109			{
110			if (src != 0) {
111			size_t len = strlen(src);
112
113			if (len < dst->s_size) {
114			if (dst->s_tail != 0) {
115			strlcpy(dst->s_tail, src, dst->s_size);
116			dst->s_tail += len;
117			}
118			dst->s_size -= len;
119			return TRUE;
120			}
121			}
122			return FALSE;
123			}
124
125			/*
126			* Replaces strcpy into a fixed buffer, returning false on failure.
127			*/
128			NCURSES_EXPORT(bool)
129			_nc_safe_strcpy(string_desc * dst, const char *src)
130			{
131			if (src != 0) {
132			size_t len = strlen(src);
133
134			if (len < dst->s_size) {
135			if (dst->s_head != 0) {
136			strlcpy(dst->s_head, src, dst->s_size);
137			dst->s_tail = dst->s_head + len;
138			}
139			dst->s_size = dst->s_init - len;
140			return TRUE;
141			}
142			}
143			return FALSE;
144			}