Mercurial > hg > toybox
view toys/env.c @ 409:55598a9b8f21
'env' and 'basename' refactored
author | Tryn Mirell <tryn@mirell.org> |
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date | Fri, 20 Jan 2012 00:02:37 -0600 |
parents | c8a3d740c229 |
children | eda61bcf575a |
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/* vi: set sw=4 ts=4: * env.c USE_ENV(NEWTOY(env, "^i", TOYFLAG_USR|TOYFLAG_BIN)) config ENV bool "env" default n 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); }