From 3a9241add947cb6d24b5de7a8927517426a78795 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Sat, 25 Aug 2012 14:25:22 -0500 Subject: Move commands into "posix", "lsb", and "other" menus/directories. --- toys/posix/env.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 toys/posix/env.c (limited to 'toys/posix/env.c') diff --git a/toys/posix/env.c b/toys/posix/env.c new file mode 100644 index 00000000..7cda85f9 --- /dev/null +++ b/toys/posix/env.c @@ -0,0 +1,52 @@ +/* vi: set sw=4 ts=4: + * + * env.c - Set the environment for command invocation. + * + * Copyright 2012 Tryn Mirell + * env.c + +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 **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 xexec(command); +} -- cgit v1.2.3