File: util.c

package info (click to toggle)
llmnrd 0.5-1
  • links: PTS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 196 kB
  • sloc: ansic: 1,496; makefile: 101; sh: 71
file content (70 lines) | stat: -rw-r--r-- 1,410 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/*
 * Copyright (C) 2014-2015 Tobias Klauser <tklauser@distanz.ch>
 * Copyright (C) 2009-2012 Daniel Borkmann
 *
 * This file is part of llmnrd.
 *
 * llmnrd is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2 of the License.
 *
 * llmnrd is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with llmnrd.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <string.h>

#include "util.h"

void *xmalloc(size_t size)
{
	void *ptr;

	if (size == 0)
		panic("malloc: size 0\n");

	ptr = malloc(size);
	if (!ptr)
		panic("malloc: out of memory\n");

	return ptr;
}

void *xzalloc(size_t size)
{
	void *ptr = xmalloc(size);
	memset(ptr, 0, size);
	return ptr;
}

void *xrealloc(void *ptr, size_t size)
{
	void *newptr;

	if (size == 0)
		panic("realloc: size 0\n");

	newptr = realloc(ptr, size);
	if (!newptr) {
		free(ptr);
		panic("realloc: out of memory\n");
	}

	return newptr;
}

char *xstrdup(const char *s)
{
	size_t len = strlen(s) + 1;
	char *ret = xmalloc(len);

	memcpy(ret, s, len);

	return ret;
}