summaryrefslogtreecommitdiff
path: root/src/lib/libc/stdlib/putenv.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libc/stdlib/putenv.c')
-rw-r--r--src/lib/libc/stdlib/putenv.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/lib/libc/stdlib/putenv.c b/src/lib/libc/stdlib/putenv.c
new file mode 100644
index 0000000000..d8c4886d4b
--- /dev/null
+++ b/src/lib/libc/stdlib/putenv.c
@@ -0,0 +1,58 @@
1/*-
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. 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 the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if defined(LIBC_SCCS) && !defined(lint)
35static char *rcsid = "$OpenBSD: putenv.c,v 1.2 1996/08/10 05:03:00 tholo Exp $";
36#endif /* LIBC_SCCS and not lint */
37
38#include <stdlib.h>
39#include <string.h>
40
41int
42putenv(str)
43 const char *str;
44{
45 char *p, *equal;
46 int rval;
47
48 if ((p = strdup(str)) == NULL)
49 return (-1);
50 if ((equal = strchr(p, '=')) == NULL) {
51 (void)free(p);
52 return (-1);
53 }
54 *equal = '\0';
55 rval = setenv(p, equal + 1, 1);
56 (void)free(p);
57 return (rval);
58}