Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/netgroup_mkdb/util.c	Lines:	0	23	0.0 %
Date:	2017-11-07	Branches:	0	14	0.0 %


/*
 * Copyright (c) 1994 Christos Zoulas
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Christos Zoulas.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <err.h>
#include <stdlib.h>
#include <string.h>

#include "util.h"

/* emalloc():
 *	Error checked malloc
 */
void *
emalloc(size_t s)
{
	void *ptr = malloc(s);
	if (ptr == NULL)
		err(1, NULL);
	return ptr;
}


/* erealloc():
 *	Error checked realloc
 */
void *
erealloc(void *p, size_t s)
{
	void *ptr = realloc(p, s);
	if (ptr == NULL)
		err(1, NULL);
	return ptr;
}


/* get_line():
 *	Read a line from a file parsing continuations ending in \
 *	and eliminating trailing newlines.
 */
char *
get_line(FILE *fp, size_t *size)
{
	size_t s, len = 0;
	char *buf = NULL, *ptr;
	int cnt = 1;

	while (cnt) {
		if ((ptr = fgetln(fp, &s)) == NULL) {
			*size = len;
			return buf;
		}
		if (ptr[s - 1] == '\n')		/* the newline may be missing at EOF */
			s--;				/* forget newline */
		if (s && (cnt = (ptr[s - 1] == '\\')))	/* check for \\ */
			s--;				/* forget \\ */

		buf = erealloc(buf, len + s + 1);
		memcpy(buf + len, ptr, s);
		len += s;
		buf[len] = '\0';
	}
	*size = len;
	return buf;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 1994 Christos Zoulas
3			* All rights reserved.
4			*
5			* Redistribution and use in source and binary forms, with or without
6			* modification, are permitted provided that the following conditions
7			* are met:
8			* 1. Redistributions of source code must retain the above copyright
9			* notice, this list of conditions and the following disclaimer.
10			* 2. Redistributions in binary form must reproduce the above copyright
11			* notice, this list of conditions and the following disclaimer in the
12			* documentation and/or other materials provided with the distribution.
13			* 3. All advertising materials mentioning features or use of this software
14			* must display the following acknowledgement:
15			* This product includes software developed by Christos Zoulas.
16			* 4. The name of the author may not be used to endorse or promote products
17			* derived from this software without specific prior written permission.
18			*
19			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20			* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21			* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23			* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29			* SUCH DAMAGE.
30			*/
31
32			#include <err.h>
33			#include <stdlib.h>
34			#include <string.h>
35
36			#include "util.h"
37
38			/* emalloc():
39			* Error checked malloc
40			*/
41			void *
42			emalloc(size_t s)
43			{
44			void *ptr = malloc(s);
45			if (ptr == NULL)
46			err(1, NULL);
47			return ptr;
48			}
49
50
51			/* erealloc():
52			* Error checked realloc
53			*/
54			void *
55			erealloc(void *p, size_t s)
56			{
57			void *ptr = realloc(p, s);
58			if (ptr == NULL)
59			err(1, NULL);
60			return ptr;
61			}
62
63
64			/* get_line():
65			* Read a line from a file parsing continuations ending in \
66			* and eliminating trailing newlines.
67			*/
68			char *
69			get_line(FILE fp, size_t size)
70			{
71			size_t s, len = 0;
72			char buf = NULL, ptr;
73			int cnt = 1;
74
75			while (cnt) {
76			if ((ptr = fgetln(fp, &s)) == NULL) {
77			*size = len;
78			return buf;
79			}
80			if (ptr[s - 1] == '\n') /* the newline may be missing at EOF */
81			s--; /* forget newline */
82			if (s && (cnt = (ptr[s - 1] == '\\'))) /* check for \\ */
83			s--; /* forget \\ */
84
85			buf = erealloc(buf, len + s + 1);
86			memcpy(buf + len, ptr, s);
87			len += s;
88			buf[len] = '\0';
89			}
90			*size = len;
91			return buf;
92			}