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| author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 05:00:24 +0000 |
|---|---|---|
| committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 05:00:24 +0000 |
| commit | be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da (patch) | |
| tree | a18a706dffa5baf86a3b12bbfb4f81caa097f349 /lib/libc/stdlib/putenv.c | |
| parent | 2a27bd86e6002c871e3b5561a5334653bb222a77 (diff) | |
| download | FreeBSD-src-be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da.zip FreeBSD-src-be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da.tar.gz | |
BSD 4.4 Lite Lib Sources
Diffstat (limited to 'lib/libc/stdlib/putenv.c')
| -rw-r--r-- | lib/libc/stdlib/putenv.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/libc/stdlib/putenv.c b/lib/libc/stdlib/putenv.c new file mode 100644 index 0000000..eb5e805 --- /dev/null +++ b/lib/libc/stdlib/putenv.c @@ -0,0 +1,58 @@ +/*- + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)putenv.c 8.2 (Berkeley) 3/27/94"; +#endif /* LIBC_SCCS and not lint */ + +#include <stdlib.h> +#include <string.h> + +int +putenv(str) + const char *str; +{ + char *p, *equal; + int rval; + + if ((p = strdup(str)) == NULL) + return (-1); + if ((equal = index(p, '=')) == NULL) { + (void)free(p); + return (-1); + } + *equal = '\0'; + rval = setenv(p, equal + 1, 1); + (void)free(p); + return (rval); +} |
