made entry::Args a public re-export

Cargo.lock

@@ -20,7 +20,7 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
- "syn 1.0.109",
+ "syn",
  "which",
 ]
 
@@ -86,6 +86,12 @@ version = "0.2.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
 
+[[package]]
+name = "libc_alloc"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a090348b66d90d8507e30f0d2bd88e5a5c454bd1733fc6d617cbc3471bf69ea"
+
 [[package]]
 name = "libloading"
 version = "0.7.4"
@@ -186,13 +192,11 @@ checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
 
 [[package]]
 name = "spd"
-version = "0.0.1"
+version = "0.0.3"
 dependencies = [
  "bindgen",
  "libc",
- "quote",
- "syn 2.0.8",
- "tabwriter",
+ "libc_alloc",
 ]
 
 [[package]]
@@ -206,38 +210,12 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "syn"
-version = "2.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc02725fd69ab9f26eab07fad303e2497fad6fb9eba4f96c4d1687bdf704ad9"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "tabwriter"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36205cfc997faadcc4b0b87aaef3fbedafe20d38d4959a7ca6ff803564051111"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
-
 [[package]]
 name = "which"
 version = "4.4.0"

Cargo.toml

@@ -1,20 +1,19 @@
 [package]
 name = "spd"
-version = "0.0.1"
+version = "0.0.3"
 edition = "2021"
 license = "LGPL-3.0-or-later"
 authors = [
 	"Emma Tebibyte <emma@tebibyte.media>",
 	"Douman <douman@gmx.se>",
+	"Matt Mastracci <matthew@mastracci.com>",
 ]
 description ="Minimal standard library replacement containing essential functionality."
 repository = "https://git.tebibyte.media/emma/spd"
 
 [dependencies]
 libc = "0.2.140"
-quote = "1.0.26"
-syn = { version = "2.0.8", features = [ "extra-traits" ] }
-tabwriter = "1.2.1"
+libc_alloc = "1.0.4"
 
 [build-dependencies]
 bindgen = "0.64.0"

src/entry/args.rs

@@ -68,7 +68,7 @@ impl Args {
     ///On error returns pair: `(string index, Utf8Error)`
     ///
     ///The function is safe as long as you pass C style main function arguments.
-    pub unsafe fn new(argc: isize, argv: *const *const u8) -> Result<Self, (usize, core::str::Utf8Error)> {
+    pub unsafe fn new(argc: isize, argv: *const *const u8) -> Result<Self, (usize, crate::str::Utf8Error)> {
         assert!(argc > 0);
         assert!(!argv.is_null());
 
@@ -102,7 +102,7 @@ impl Args {
     ///Returns slice of raw C strings
     pub fn as_slice(&self) -> &[*const u8] {
         unsafe {
-            core::slice::from_raw_parts(self.argv, self.argc)
+            crate::slice::from_raw_parts(self.argv, self.argc)
         }
     }
 

src/entry/mod.rs

@@ -66,7 +66,7 @@
 #![cfg_attr(rustfmt, rustfmt_skip)]
 
 mod args;
-use args::*;
+pub use args::*;
 
 #[allow(unused)]
 #[cold]
@@ -79,10 +79,10 @@ unsafe fn invalid_cli_args_error() -> libc::c_int {
 ///Converts C string to Rust's, verifying it is UTF-8
 ///
 ///It is UB to pass non-C string as it requires \0
-pub unsafe fn c_str_to_rust(ptr: *const u8) -> Result<&'static str, core::str::Utf8Error> {
+pub unsafe fn c_str_to_rust(ptr: *const u8) -> Result<&'static str, crate::str::Utf8Error> {
     let len = libc::strlen(ptr as *const i8);
-    let parts = core::slice::from_raw_parts(ptr, len);
-    core::str::from_utf8(parts)
+    let parts = crate::slice::from_raw_parts(ptr, len);
+    crate::str::from_utf8(parts)
 }
 
 ///Converts C string to Rust's one assuming it is UTF-8
@@ -90,8 +90,8 @@ pub unsafe fn c_str_to_rust(ptr: *const u8) -> Result<&'static str, core::str::U
 ///It is UB to pass non-C string as it requires \0
 pub unsafe fn c_str_to_rust_unchecked(ptr: *const u8) -> &'static str {
     let len = libc::strlen(ptr as *const i8);
-    let parts = core::slice::from_raw_parts(ptr, len);
-    core::str::from_utf8_unchecked(parts)
+    let parts = crate::slice::from_raw_parts(ptr, len);
+    crate::str::from_utf8_unchecked(parts)
 }
 
 extern "Rust" {

src/lib.rs

@@ -46,11 +46,23 @@
 
 #![no_std]
 
+extern crate alloc;
+extern crate core;
+
 pub mod entry;
-// pub mod env;
 mod macros;
 pub mod process;
 
+pub use alloc::{
+  borrow::*,
+  boxed::*,
+  collections::*,
+  rc::*,
+  string::*,
+  vec::*,
+};
+pub use core::*;
+
 pub use macros::*;
 
 pub use libc_dbg as dbg;
@@ -61,4 +73,15 @@ pub use libc_print as print;
 pub use libc_println as println;
 pub use libc_writeln as writeln;
 
+pub use libc_alloc::LibcAlloc;
+
 pub const SOURCE: &str = "https://git.tebibyte.media/emma/spd.git";
+
+#[global_allocator]
+pub static ALLOCATOR: LibcAlloc = LibcAlloc;
+
+#[panic_handler]
+pub fn panic(info: &panic::PanicInfo) -> ! {
+  eprintln!("{:?}", info);
+  loop {}
+}

src/macros.rs

@@ -85,13 +85,10 @@
 //! # }
 //! ```
 
-#![no_std]
 #![allow(dead_code)]
 #![allow(unused)]
 #![warn(unsafe_op_in_unsafe_fn)]
 
-use core::{convert::TryFrom, file, line, stringify};
-
 /// This forces a "C" library linkage
 #[cfg(not(windows))]
 #[link(name = "c")]
@@ -111,9 +108,9 @@ pub const __LIBC_STDERR: i32 = 2;
 #[doc(hidden)]
 pub struct __LibCWriter(i32);
 
-impl core::fmt::Write for __LibCWriter {
+impl crate::fmt::Write for __LibCWriter {
     #[inline]
-    fn write_str(&mut self, s: &str) -> core::fmt::Result {
+    fn write_str(&mut self, s: &str) -> crate::fmt::Result {
         __libc_println(self.0, s)
     }
 }
@@ -125,24 +122,24 @@ impl __LibCWriter {
     }
 
     #[inline]
-    pub fn write_fmt(&mut self, args: core::fmt::Arguments) -> core::fmt::Result {
-        core::fmt::Write::write_fmt(self, args)
+    pub fn write_fmt(&mut self, args: crate::fmt::Arguments) -> crate::fmt::Result {
+        crate::fmt::Write::write_fmt(self, args)
     }
 
     #[inline]
-    pub fn write_str(&mut self, s: &str) -> core::fmt::Result {
+    pub fn write_str(&mut self, s: &str) -> crate::fmt::Result {
         __libc_println(self.0, s)
     }
 
     #[inline]
-    pub fn write_nl(&mut self) -> core::fmt::Result {
+    pub fn write_nl(&mut self) -> crate::fmt::Result {
         __libc_println(self.0, __LIBC_NEWLINE)
     }
 }
 
 #[doc(hidden)]
 #[inline]
-pub fn __libc_println(handle: i32, msg: &str) -> core::fmt::Result {
+pub fn __libc_println(handle: i32, msg: &str) -> crate::fmt::Result {
     let msg = msg.as_bytes();
 
     let mut written = 0;
@@ -162,7 +159,7 @@ unsafe fn libc_write(handle: i32, bytes: &[u8]) -> Option<usize> {
     usize::try_from(unsafe {
         libc::write(
             handle,
-            bytes.as_ptr().cast::<core::ffi::c_void>(),
+            bytes.as_ptr().cast::<crate::ffi::c_void>(),
             bytes.len(),
         )
     })
@@ -174,7 +171,7 @@ unsafe fn libc_write(handle: i32, bytes: &[u8]) -> Option<usize> {
     usize::try_from(unsafe {
         libc::write(
             handle,
-            bytes.as_ptr().cast::<core::ffi::c_void>(),
+            bytes.as_ptr().cast::<crate::ffi::c_void>(),
             libc::c_uint::try_from(bytes.len()).unwrap_or(libc::c_uint::MAX),
         )
     })

src/process.rs

@@ -35,8 +35,6 @@
 
 include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
 
-extern crate core;
-
 pub fn exit(code: u32) -> ! {
   unsafe { libc::exit(code as i32 as libc::c_int); }
 }