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comparison toys/env.c @ 510:45c10e86be43

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Add copyright notice, fluff out help text, use xexec().
author Rob Landley <rob@landley.net>
date Fri, 02 Mar 2012 20:18:02 -0600
parents eda61bcf575a
children
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509:e7c742f78361 510:45c10e86be43
1 /* vi: set sw=4 ts=4: 1 /* vi: set sw=4 ts=4:
2 *
3 * env.c - Set the environment for command invocation.
4 *
5 * Copyright 2012 Tryn Mirell <tryn@mirell.org>
2 * env.c 6 * env.c
3 7
4 USE_ENV(NEWTOY(env, "^i", TOYFLAG_USR|TOYFLAG_BIN)) 8 USE_ENV(NEWTOY(env, "^i", TOYFLAG_USR|TOYFLAG_BIN))
5 9
6 config ENV 10 config ENV
7 bool "env" 11 bool "env"
8 default y 12 default y
9 help 13 help
10 usage: env [-i] [FOO=BAR...] [command [option...]] 14 usage: env [-i] [NAME=VALUE...] [command [option...]]
11 15
12 Set the environment for command invocation 16 Set the environment for command invocation.
17
18 -i Clear existing environment.
13 */ 19 */
14 20
15 #include "toys.h" 21 #include "toys.h"
16 22
17 extern char **environ; 23 extern char **environ;
38 } 44 }
39 } 45 }
40 46
41 if (!command) { 47 if (!command) {
42 char **ep; 48 char **ep;
43 for (ep = environ; *ep; ep++) 49 for (ep = environ; *ep; ep++) xputs(*ep);
44 xputs(*ep);
45 return; 50 return;
46 } else execvp(*command, command); 51 } else xexec(command);
47 } 52 }