lsmem: Add lsmem

Cargo.lock

@@ -643,6 +643,7 @@ dependencies = [
  "textwrap",
  "uu_ctrlaltdel",
  "uu_lscpu",
+ "uu_lsmem",
  "uu_mountpoint",
  "uu_rev",
  "uucore",
@@ -667,6 +668,14 @@ dependencies = [
  "uucore",
 ]
 
+[[package]]
+name = "uu_lsmem"
+version = "0.0.1"
+dependencies = [
+ "clap",
+ "uucore",
+]
+
 [[package]]
 name = "uu_mountpoint"
 version = "0.0.1"

Cargo.toml

@@ -27,6 +27,7 @@ default = ["feat_common_core"]
 feat_common_core = [
   "mountpoint",
   "lscpu",
+  "lsmem",
   "ctrlaltdel",
   "rev",
 ]
@@ -57,6 +58,7 @@ textwrap = { workspace = true }
 
 #
 lscpu = { optional = true, version = "0.0.1", package = "uu_lscpu", path = "src/uu/lscpu" }
+lsmem = { optional = true, version = "0.0.1", package = "uu_lsmem", path = "src/uu/lsmem" }
 mountpoint = { optional = true, version = "0.0.1", package = "uu_mountpoint", path = "src/uu/mountpoint" }
 ctrlaltdel = { optional = true, version = "0.0.1", package = "uu_ctrlaltdel", path = "src/uu/ctrlaltdel" }
 rev = { optional = true, version = "0.0.1", package = "uu_rev", path = "src/uu/rev" }

src/uu/lsmem/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "uu_lsmem"
+version = "0.0.1"
+edition = "2021"
+
+[lib]
+path = "src/lsmem.rs"
+
+[[bin]]
+name = "lsmem"
+path = "src/main.rs"
+
+[dependencies]
+uucore = { workspace = true }
+clap = { workspace = true }

src/uu/lsmem/lsmem.md

@@ -0,0 +1,7 @@
+# lsmem
+
+```
+lsmem [OPTION]...
+```
+
+List the ranges of available memory with their online status.

src/uu/lsmem/src/lsmem.rs

@@ -0,0 +1,24 @@
+// This file is part of the uutils util-linux package.
+//
+// For the full copyright and license information, please view the LICENSE
+// file that was distributed with this source code.
+
+use clap::{crate_version, Command};
+use uucore::{error::UResult, format_usage, help_about, help_usage};
+
+const ABOUT: &str = help_about!("lsmem.md");
+const USAGE: &str = help_usage!("lsmem.md");
+
+#[uucore::main]
+pub fn uumain(args: impl uucore::Args) -> UResult<()> {
+    let _matches: clap::ArgMatches = uu_app().try_get_matches_from(args)?;
+    Ok(())
+}
+
+pub fn uu_app() -> Command {
+    Command::new(uucore::util_name())
+        .version(crate_version!())
+        .about(ABOUT)
+        .override_usage(format_usage(USAGE))
+        .infer_long_args(true)
+}

src/uu/lsmem/src/main.rs

@@ -0,0 +1 @@
+uucore::bin!(uu_lsmem);

tests/by-util/test_lsmem.rs

@@ -0,0 +1,4 @@
+// This file is part of the uutils util-linux package.
+//
+// For the full copyright and license information, please view the LICENSE
+// file that was distributed with this source code.