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/*
* Copyright (c) 2010 Dagobert Michelsen
* Copyright (c) 2010 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "compat.h"
int
setenv(const char *name, const char *value, __unused int overwrite)
{
char *newval;
xasprintf(&newval, "%s=%s", name, value);
return (putenv(newval));
}
int
unsetenv(const char *name)
{
char **envptr;
int namelen;
namelen = strlen(name);
for (envptr = environ; *envptr != NULL; envptr++) {
if (strncmp(name, *envptr, namelen) == 0 &&
((*envptr)[namelen] == '=' || (*envptr)[namelen] == '\0'))
break;
}
for (; *envptr != NULL; envptr++)
*envptr = *(envptr + 1);
return (0);
}
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