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check for argc==0

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I thought that the kernel fixed that and made argc==0 invalid. Guess
what. Some random programs rely on argc==0 so I have to handle it. Argh.

Closes #5

Signed-off-by: Xe <me@christine.website>
This commit is contained in:
Xe 2023-01-21 11:23:59 -05:00
parent b40ab778ea
commit 8f1dda8e53
4 changed files with 13 additions and 7 deletions
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2
Cargo.lock generated
View file

@ -142,7 +142,7 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]] [[package]]
name = "xn--ts9h" name = "xn--ts9h"
version = "0.1.1" version = "0.1.2"
dependencies = [ dependencies = [
"syslog", "syslog",
] ]

2
Cargo.toml
View file

@ -3,7 +3,7 @@ name = "xn--ts9h"
description = "A simpler sudo command, named xn--ts9h because I can't use an emoji in the package name" description = "A simpler sudo command, named xn--ts9h because I can't use an emoji in the package name"
license = "MIT" license = "MIT"
authors = [ "Xe Iaso <me@xeiaso.net>" ] authors = [ "Xe Iaso <me@xeiaso.net>" ]
version = "0.1.1" version = "0.1.2"
edition = "2021" edition = "2021"
[package.metadata.deb] [package.metadata.deb]

2
flake.nix
View file

@ -17,7 +17,7 @@
packages = rec { packages = rec {
bin = pkgs.rustPlatform.buildRustPackage { bin = pkgs.rustPlatform.buildRustPackage {
pname = "xn--ts9h"; pname = "xn--ts9h";
version = "0.1.1"; version = "0.1.2";
inherit src; inherit src;

14
src/main.rs
View file

@ -1,16 +1,22 @@
#![allow(non_snake_case)] #![allow(non_snake_case)]
use std::{env, io, os::unix::process::CommandExt, process::Command, ffi::OsString}; use std::{env, ffi::OsString, io, os::unix::process::CommandExt, process::Command};
use syslog::{unix, Facility::LOG_AUTH, Formatter3164}; use syslog::{unix, Facility::LOG_AUTH, Formatter3164};
fn main() -> io::Result<()> { fn main() -> io::Result<()> {
if env::args_os().nth(0).unwrap() != "🥺" { if env::args_os().nth(0).unwrap() != "🥺" {
eprintln!("error: called 🥺 with name {:?}", env::args_os().nth(0).unwrap()); eprintln!(
"error: called 🥺 with name {:?}",
env::args_os().nth(0).unwrap()
);
return Ok(()); return Ok(());
} }
if env::args_os().len() == 1 { if env::args_os().len() == 1 || env::args_os().len() == 0 {
eprintln!("usage: {:?} <command> [args]", env::args_os().nth(0).unwrap()); eprintln!(
"usage: {:?} <command> [args]",
env::args_os().nth(0).unwrap()
);
return Ok(()); return Ok(());
} }