[sc-119] Remove byte-unit dependency

Cargo.lock

@@ -131,16 +131,6 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
 
-[[package]]
-name = "byte-unit"
-version = "4.0.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da78b32057b8fdfc352504708feeba7216dcd65a2c9ab02978cbd288d1279b6c"
-dependencies = [
- "serde",
- "utf8-width",
-]
-
 [[package]]
 name = "cc"
 version = "1.0.83"
@@ -309,7 +299,6 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bimap",
- "byte-unit",
  "chumsky",
  "clap",
  "derive_more",
@@ -568,26 +557,6 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
 
-[[package]]
-name = "serde"
-version = "1.0.189"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e422a44e74ad4001bdc8eede9a4570ab52f71190e9c076d14369f38b9200537"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.189"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.38",
-]
-
 [[package]]
 name = "shrinkwraprs"
 version = "0.3.0"
@@ -741,12 +710,6 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
 
-[[package]]
-name = "utf8-width"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5190c9442dcdaf0ddd50f37420417d219ae5261bbf5db120d0f9bab996c9cba1"
-
 [[package]]
 name = "utf8parse"
 version = "0.2.1"

Cargo.toml

@@ -15,12 +15,11 @@ lto = true
 
 [features]
 default = ["cli"]
-cli = ["dep:clap", "dep:byte-unit"]
+cli = ["dep:clap"]
 
 [dependencies]
 anyhow = "1.0.72"
 bimap = "0.6.3"
-byte-unit = { version = "4.0.19", optional = true }
 chumsky = "= 1.0.0-alpha.4"
 clap = { version = "4.4.1", features = ["derive"], optional = true }
 derive_more = "0.99.17"

src/main.rs

@@ -30,8 +30,15 @@ enum Mode {
 }
 
 fn mem_parser(arg: &str) -> anyhow::Result<usize> {
-  let bytes = byte_unit::Byte::from_str(arg)?;
-  Ok(bytes.get_bytes() as usize)
+  let (base, mult) = match arg.to_lowercase().chars().last() {
+    None => return Err(anyhow::anyhow!("Mem size argument is empty")),
+    Some('k') => (&arg[0 .. arg.len() - 1], 1 << 10),
+    Some('m') => (&arg[0 .. arg.len() - 1], 1 << 20),
+    Some('g') => (&arg[0 .. arg.len() - 1], 1 << 30),
+    Some(_) => (arg, 1),
+  };
+  let base = base.parse::<usize>()?;
+  Ok(base * mult)
 }
 
 fn main() -> anyhow::Result<()> {