Mercurial > hg > toybox
view toys/env.c @ 493:42a322adbd17
update id to be SUS compliant
* add -n and -G flag
* allow a username to be given as argument
* display complete list of groups
* include it in default build
author | Daniel Walter <d.walter@0x90.at> |
---|---|
date | Tue, 21 Feb 2012 21:39:20 -0600 |
parents | eda61bcf575a |
children | 45c10e86be43 |
line wrap: on
line source
/* vi: set sw=4 ts=4: * env.c USE_ENV(NEWTOY(env, "^i", TOYFLAG_USR|TOYFLAG_BIN)) config ENV bool "env" default y help usage: env [-i] [FOO=BAR...] [command [option...]] Set the environment for command invocation */ #include "toys.h" extern char **environ; void env_main(void) { char **ev; char **command = NULL; char *del = "="; if (toys.optflags & 1) clearenv(); for (ev = toys.optargs; *ev != NULL; ev++) { char *env, *val = NULL; env = strtok(*ev, del); if (env) val = strtok(NULL, del); if (val) setenv(env, val, 1); else { command = ev; break; } } if (!command) { char **ep; for (ep = environ; *ep; ep++) xputs(*ep); return; } else execvp(*command, command); }