GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/gen/getcwd.c Lines: 0 10 0.0 %
Date: 2017-11-13 Branches: 0 8 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: getcwd.c,v 1.21 2016/05/07 19:48:00 guenther Exp $	*/
2
3
/*
4
 * Copyright (c) 2005 Marius Eriksen <marius@openbsd.org>
5
 *
6
 * Permission to use, copy, modify, and distribute this software for any
7
 * purpose with or without fee is hereby granted, provided that the above
8
 * copyright notice and this permission notice appear in all copies.
9
 *
10
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
 */
18
19
#include <errno.h>
20
#include <limits.h>
21
#include <stdlib.h>
22
#include <unistd.h>
23
24
int __getcwd(char *buf, size_t len);
25
PROTO_NORMAL(__getcwd);
26
27
char *
28
getcwd(char *buf, size_t size)
29
{
30
	char *allocated = NULL;
31
32
	if (buf != NULL && size == 0) {
33
		errno = EINVAL;
34
		return (NULL);
35
	}
36
37
	if (buf == NULL &&
38
	    (allocated = buf = malloc(size = PATH_MAX)) == NULL)
39
		return (NULL);
40
41
	if (__getcwd(buf, size) == -1) {
42
		free(allocated);
43
		return (NULL);
44
	}
45
46
	return (buf);
47
}
48
DEF_WEAK(getcwd);