1*60b81b86SRobert Mustacchi /*
2*60b81b86SRobert Mustacchi * This file and its contents are supplied under the terms of the
3*60b81b86SRobert Mustacchi * Common Development and Distribution License ("CDDL"), version 1.0.
4*60b81b86SRobert Mustacchi * You may only use this file in accordance with the terms of version
5*60b81b86SRobert Mustacchi * 1.0 of the CDDL.
6*60b81b86SRobert Mustacchi *
7*60b81b86SRobert Mustacchi * A full copy of the text of the CDDL should have accompanied this
8*60b81b86SRobert Mustacchi * source. A copy of the CDDL is also available via the Internet at
9*60b81b86SRobert Mustacchi * http://www.illumos.org/license/CDDL.
10*60b81b86SRobert Mustacchi */
11*60b81b86SRobert Mustacchi
12*60b81b86SRobert Mustacchi /*
13*60b81b86SRobert Mustacchi * Copyright 2016 Joyent, Inc.
14*60b81b86SRobert Mustacchi */
15*60b81b86SRobert Mustacchi
16*60b81b86SRobert Mustacchi /*
17*60b81b86SRobert Mustacchi * Regression test for 7076 where doing a putenv() call without an '=' sign
18*60b81b86SRobert Mustacchi * may lead to a segmentation fault when doing a getenv() depending on the
19*60b81b86SRobert Mustacchi * circumstances of the environment's layout. Verify putenv() mimics
20*60b81b86SRobert Mustacchi * unsetenv().
21*60b81b86SRobert Mustacchi */
22*60b81b86SRobert Mustacchi
23*60b81b86SRobert Mustacchi #include <stdlib.h>
24*60b81b86SRobert Mustacchi #include <stdio.h>
25*60b81b86SRobert Mustacchi #include <errno.h>
26*60b81b86SRobert Mustacchi #include <string.h>
27*60b81b86SRobert Mustacchi #include <sys/debug.h>
28*60b81b86SRobert Mustacchi
29*60b81b86SRobert Mustacchi int
main(void)30*60b81b86SRobert Mustacchi main(void)
31*60b81b86SRobert Mustacchi {
32*60b81b86SRobert Mustacchi if (putenv("FOO=bar") != 0) {
33*60b81b86SRobert Mustacchi fprintf(stderr, "failed to put FOO into the environment: %s\n",
34*60b81b86SRobert Mustacchi strerror(errno));
35*60b81b86SRobert Mustacchi return (1);
36*60b81b86SRobert Mustacchi }
37*60b81b86SRobert Mustacchi
38*60b81b86SRobert Mustacchi if (getenv("FOO") == NULL) {
39*60b81b86SRobert Mustacchi fprintf(stderr, "failed to retrieve FOO from the "
40*60b81b86SRobert Mustacchi "environment!\n");
41*60b81b86SRobert Mustacchi return (1);
42*60b81b86SRobert Mustacchi }
43*60b81b86SRobert Mustacchi
44*60b81b86SRobert Mustacchi VERIFY0(unsetenv("FOO"));
45*60b81b86SRobert Mustacchi
46*60b81b86SRobert Mustacchi if (getenv("FOO") != NULL) {
47*60b81b86SRobert Mustacchi fprintf(stderr, "Somehow retrieved FOO from the "
48*60b81b86SRobert Mustacchi "environment after unsetenv()!\n");
49*60b81b86SRobert Mustacchi return (1);
50*60b81b86SRobert Mustacchi }
51*60b81b86SRobert Mustacchi
52*60b81b86SRobert Mustacchi if (putenv("FOO=bar") != 0) {
53*60b81b86SRobert Mustacchi fprintf(stderr, "failed to put FOO into the environment: %s\n",
54*60b81b86SRobert Mustacchi strerror(errno));
55*60b81b86SRobert Mustacchi return (1);
56*60b81b86SRobert Mustacchi }
57*60b81b86SRobert Mustacchi
58*60b81b86SRobert Mustacchi if (getenv("FOO") == NULL) {
59*60b81b86SRobert Mustacchi fprintf(stderr, "failed to retrieve FOO from the "
60*60b81b86SRobert Mustacchi "environment!\n");
61*60b81b86SRobert Mustacchi return (1);
62*60b81b86SRobert Mustacchi }
63*60b81b86SRobert Mustacchi
64*60b81b86SRobert Mustacchi VERIFY0(putenv("FOO"));
65*60b81b86SRobert Mustacchi
66*60b81b86SRobert Mustacchi if (getenv("FOO") != NULL) {
67*60b81b86SRobert Mustacchi fprintf(stderr, "Somehow retrieved FOO from the "
68*60b81b86SRobert Mustacchi "environment after putenv()!\n");
69*60b81b86SRobert Mustacchi return (1);
70*60b81b86SRobert Mustacchi }
71*60b81b86SRobert Mustacchi
72*60b81b86SRobert Mustacchi return (0);
73*60b81b86SRobert Mustacchi }
74