blob: f20517eb56747b5c7c22f64eb02d98fcb2f14c21 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* env.c - Set the environment for command invocation.
*
* Copyright 2012 Tryn Mirell <tryn@mirell.org>
*
* http://opengroup.org/onlinepubs/9699919799/utilities/env.html
USE_ENV(NEWTOY(env, "^i", TOYFLAG_USR|TOYFLAG_BIN))
config ENV
bool "env"
default y
help
usage: env [-i] [NAME=VALUE...] [command [option...]]
Set the environment for command invocation.
-i Clear existing environment.
*/
#include "toys.h"
extern char **environ;
void env_main(void)
{
char **ev;
char *del = "=";
if (toys.optflags) clearenv();
for (ev = toys.optargs; *ev != NULL; ev++) {
char *env = strtok(*ev, del), *val = 0;
if (env) val = strtok(0, del);
if (val) setenv(env, val, 1);
else xexec(ev);
}
if (environ) for (ev = environ; *ev; ev++) xputs(*ev);
}
|
