Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 44 insertions, 0 deletions

diff --git a/src/tools/generate-windows-sys/Cargo.toml b/src/tools/generate-windows-sys/Cargo.toml
new file mode 100644
index 000000000..23e88844b
--- /dev/null
+++ b/src/tools/generate-windows-sys/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "generate-windows-sys"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies.windows-bindgen]
+version = "0.49"
diff --git a/src/tools/generate-windows-sys/src/main.rs b/src/tools/generate-windows-sys/src/main.rs
new file mode 100644
index 000000000..91d981462
--- /dev/null
+++ b/src/tools/generate-windows-sys/src/main.rs
@@ -0,0 +1,37 @@
+use std::fs;
+use std::io::{self, Write};
+use std::path::PathBuf;
+
+/// This is printed to the file before the rest of the contents.
+const PRELUDE: &str = r#"// This file is autogenerated.
+//
+// To add bindings, edit windows_sys.lst then use `./x run generate-windows-sys` to
+// regenerate the bindings.
+//
+// ignore-tidy-filelength
+"#;
+
+fn main() -> io::Result<()> {
+    let mut path: PathBuf =
+        std::env::args_os().nth(1).expect("a path to the rust repository is required").into();
+    path.push("library/std/src/sys/windows/c/windows_sys.lst");
+
+    // Load the list of APIs
+    let buffer = fs::read_to_string(&path)?;
+    let names: Vec<&str> = buffer
+        .lines()
+        .filter_map(|line| {
+            let line = line.trim();
+            if line.is_empty() || line.starts_with("//") { None } else { Some(line) }
+        })
+        .collect();
+
+    // Write the bindings to windows-sys.rs
+    let bindings = windows_bindgen::standalone_std(&names);
+    path.set_extension("rs");
+    let mut f = std::fs::File::create(&path)?;
+    f.write_all(PRELUDE.as_bytes())?;
+    f.write_all(bindings.as_bytes())?;
+
+    Ok(())
+}