mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-23 00:23:08 +01:00
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* $Id: setenv.c,v 1.2 2010-06-05 18:20:48 nicm Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2010 Dagobert Michelsen
|
|
* Copyright (c) 2010 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* 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 <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "tmux.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);
|
|
}
|