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-rw-r--r-- | toys/whoami.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/toys/whoami.c b/toys/whoami.c new file mode 100644 index 00000000..64ff2954 --- /dev/null +++ b/toys/whoami.c @@ -0,0 +1,32 @@ +/* vi: set sw=4 ts=4: + * + * whoami.c - Print effective user id + * + * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org> + * + +USE_WHOAMI(NEWTOY(whoami, NULL, TOYFLAG_USR|TOYFLAG_BIN)) + +config WHOAMI + bool "whoami" + default y + help + usage: whoami + + Print effective user id. +*/ + +#include "toys.h" + +void whoami_main(void) +{ + struct passwd *pw = getpwuid(geteuid()); + + if (!pw) { + perror("getpwuid"); + toys.exitval = 1; + return; + } + + xprintf("%s\n", pw->pw_name); +} |