From a6a16cf233b756ce04527ea1f708ce159b9f64fc Mon Sep 17 00:00:00 2001
From: Dan Robertson <danlrobertson89@gmail.com>
Date: Thu, 8 Mar 2018 16:02:56 +0000
Subject: [PATCH] Create crate and stubs for wctype

Create the wctype crate and stub functions with the unimplemented macro.
---
 Cargo.lock                |  9 +++++
 Cargo.toml                |  1 +
 src/lib.rs                |  1 +
 src/platform/src/types.rs |  1 +
 src/wctype/Cargo.toml     | 11 ++++++
 src/wctype/build.rs       | 11 ++++++
 src/wctype/cbindgen.toml  |  6 +++
 src/wctype/src/lib.rs     | 82 +++++++++++++++++++++++++++++++++++++++
 8 files changed, 122 insertions(+)
 create mode 100644 src/wctype/Cargo.toml
 create mode 100644 src/wctype/build.rs
 create mode 100644 src/wctype/cbindgen.toml
 create mode 100644 src/wctype/src/lib.rs

diff --git a/Cargo.lock b/Cargo.lock
index a140817596..557319c6df 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -262,6 +262,7 @@ dependencies = [
  "stdlib 0.1.0",
  "string 0.1.0",
  "unistd 0.1.0",
+ "wctype 0.1.0",
 ]
 
 [[package]]
@@ -582,6 +583,14 @@ name = "vec_map"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "wctype"
+version = "0.1.0"
+dependencies = [
+ "cbindgen 0.5.0",
+ "platform 0.1.0",
+]
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
diff --git a/Cargo.toml b/Cargo.toml
index 5c7f356e87..4bb5d97b8a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,6 +23,7 @@ stdio = { path = "src/stdio" }
 stdlib = { path = "src/stdlib" }
 string = { path = "src/string" }
 unistd = { path = "src/unistd" }
+wctype = { path = "src/wctype" }
 
 [profile.dev]
 panic = "abort"
diff --git a/src/lib.rs b/src/lib.rs
index b3b38a57b8..52053e4580 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,6 +14,7 @@ extern crate stdio;
 extern crate stdlib;
 extern crate string;
 extern crate unistd;
+extern crate wctype;
 
 #[lang = "eh_personality"]
 #[no_mangle]
diff --git a/src/platform/src/types.rs b/src/platform/src/types.rs
index dbbc2be301..0057825f29 100644
--- a/src/platform/src/types.rs
+++ b/src/platform/src/types.rs
@@ -44,6 +44,7 @@ pub type c_ulong = u64;
 
 pub type wchar_t = i16;
 pub type wint_t = i32;
+pub type wctype_t = i64;
 
 pub type off_t = c_long;
 pub type mode_t = u16;
diff --git a/src/wctype/Cargo.toml b/src/wctype/Cargo.toml
new file mode 100644
index 0000000000..abb1ba562f
--- /dev/null
+++ b/src/wctype/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "wctype"
+version = "0.1.0"
+authors = ["Dan Robertson <danlrobertson89@gmail.com>"]
+build = "build.rs"
+
+[build-dependencies]
+cbindgen = { path = "../../cbindgen" }
+
+[dependencies]
+platform = { path = "../platform" }
diff --git a/src/wctype/build.rs b/src/wctype/build.rs
new file mode 100644
index 0000000000..d0b0702cea
--- /dev/null
+++ b/src/wctype/build.rs
@@ -0,0 +1,11 @@
+extern crate cbindgen;
+
+use std::{env, fs};
+
+fn main() {
+    let crate_dir = env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR not set");
+    fs::create_dir_all("../../target/include").expect("failed to create include directory");
+    cbindgen::generate(crate_dir)
+        .expect("failed to generate bindings")
+        .write_to_file("../../target/include/wctype.h");
+}
diff --git a/src/wctype/cbindgen.toml b/src/wctype/cbindgen.toml
new file mode 100644
index 0000000000..f31ad97cf1
--- /dev/null
+++ b/src/wctype/cbindgen.toml
@@ -0,0 +1,6 @@
+sys_includes = []
+include_guard = "_WCTYPE_H"
+language = "C"
+
+[enum]
+prefix_with_name = true
diff --git a/src/wctype/src/lib.rs b/src/wctype/src/lib.rs
new file mode 100644
index 0000000000..2c9b6d0784
--- /dev/null
+++ b/src/wctype/src/lib.rs
@@ -0,0 +1,82 @@
+//! wctype implementation for Redox, following http://pubs.opengroup.org/onlinepubs/7908799/xsh/wctype.h.html
+
+#![no_std]
+
+extern crate platform;
+
+use platform::types::*;
+
+#[no_mangle]
+pub extern "C" fn iswalnum(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswalpha(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswcntrl(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswdigit(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswgraph(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswlower(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswprint(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswpunct(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswspace(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswupper(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswxdigit(wc: wint_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn iswctype(wc: wint_t, charclass: wctype_t) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn towlower(wc: wint_t) -> wint_t {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn towupper(wc: wint_t) -> wint_t {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub extern "C" fn wctype(property: *const c_char) -> c_int {
+    unimplemented!();
+}