1 files changed, 41 insertions, 0 deletions
diff --git a/vendor/opener/src/windows.rs b/vendor/opener/src/windows.rs
new file mode 100644
index 0000000..829bdb0
--- /dev/null
+++ b/vendor/opener/src/windows.rs
@@ -0,0 +1,41 @@
+use crate::OpenError;
+use std::ffi::OsStr;
+use std::os::windows::ffi::OsStrExt;
+use std::{io, ptr};
+use winapi::ctypes::c_int;
+use winapi::um::shellapi::ShellExecuteW;
+
+pub(crate) fn open(path: &OsStr) -> Result<(), OpenError> {
+    const SW_SHOW: c_int = 5;
+
+    let path = convert_path(path).map_err(OpenError::Io)?;
+    let operation: Vec<u16> = OsStr::new("open\0").encode_wide().collect();
+    let result = unsafe {
+        ShellExecuteW(
+            ptr::null_mut(),
+            operation.as_ptr(),
+            path.as_ptr(),
+            ptr::null(),
+            ptr::null(),
+            SW_SHOW,
+        )
+    };
+    if result as c_int > 32 {
+        Ok(())
+    } else {
+        Err(OpenError::Io(io::Error::last_os_error()))
+    }
+}
+
+fn convert_path(path: &OsStr) -> io::Result<Vec<u16>> {
+    let mut maybe_result: Vec<u16> = path.encode_wide().collect();
+    if maybe_result.iter().any(|&u| u == 0) {
+        return Err(io::Error::new(
+            io::ErrorKind::InvalidInput,
+            "path contains NUL byte(s)",
+        ));
+    }
+
+    maybe_result.push(0);
+    Ok(maybe_result)
+}