1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright (c) 2015, Joyent, Inc.
14 */
15
16 /*
17 * Alternate execution engine for CTF tools
18 */
19
20 #include <stdlib.h>
21 #include <string.h>
22 #include <unistd.h>
23
24 #include "ctftools.h"
25
26 void
ctf_altexec(const char * env,int argc,char ** argv)27 ctf_altexec(const char *env, int argc, char **argv)
28 {
29 const char *alt;
30 char *altexec;
31
32 alt = getenv(env);
33 if (alt == NULL || *alt == '\0')
34 return;
35
36 altexec = strdup(alt);
37 if (altexec == NULL)
38 terminate("failed to allocate memory for altexec\n");
39
40 if (unsetenv(env) != 0)
41 aborterr("failed to remove %s from environment", env);
42
43 (void) execv(altexec, argv);
44 terminate("failed to altexec %s", altexec);
45 }
46