Netdb

src/header/netdb/linux.rs

@@ -0,0 +1,22 @@
+use alloc::string::String;
+use platform::rawfile::RawFile;
+use platform::Line;
+use platform::rlb::RawLineBuffer;
+use c_str::CString;
+
+pub fn get_dns_server() -> String {
+    let fd = match RawFile::open(&CString::new("/etc/resolv.conf").unwrap(), 0, 0) {
+        Ok(fd) => fd,
+        Err(_) => return String::new() // TODO: better error handling
+    };
+
+    let mut rlb = RawLineBuffer::new(*fd);
+    while let Line::Some(line) = rlb.next() {
+        if line.starts_with(b"nameserver ") {
+            return String::from_utf8(line[11..].to_vec()).unwrap_or_default();
+        }
+    }
+
+    // TODO: better error handling
+    String::new()
+}