who: add entries

Cargo.toml

@@ -34,6 +34,7 @@ unix = [
   "unlink",
   "uptime",
   "users",
+  "who",
 ]
 generic = [
   "base32",
@@ -187,6 +188,7 @@ unlink   = { optional=true, path="src/unlink" }
 uptime   = { optional=true, path="src/uptime" }
 users    = { optional=true, path="src/users" }
 wc       = { optional=true, path="src/wc" }
+who      = { optional=true, path="src/who" }
 whoami   = { optional=true, path="src/whoami" }
 yes      = { optional=true, path="src/yes" }
 

Makefile

@@ -129,7 +129,8 @@ UNIX_PROGS := \
   uname \
   unlink \
   uptime \
-  users
+  users \
+  who
 
 ifneq ($(OS),Windows_NT)
 	PROGS    := $(PROGS) $(UNIX_PROGS)

README.md

@@ -170,7 +170,6 @@ To do
 - tail (not all features implemented)
 - test (not all features implemented)
 - uniq (a couple of missing options)
-- who
 
 License
 -------

src/who/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "who"
+version = "0.0.1"
+authors = []
+
+[lib]
+name = "uu_who"
+path = "who.rs"
+
+[dependencies.uucore]
+path = "../uucore"
+default-features = false
+features = ["utmpx"]
+
+[dependencies.clippy]
+version = "*"
+optional = true
+
+[[bin]]
+name = "who"
+path = "main.rs"

src/who/main.rs

@@ -0,0 +1,5 @@
+extern crate uu_who;
+
+fn main() {
+    std::process::exit(uu_who::uumain(std::env::args().collect()));
+}