1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/rust/minidump-writer/examples/synthetic.rs b/third_party/rust/minidump-writer/examples/synthetic.rs
new file mode 100644
index 0000000000..58ddc7d268
--- /dev/null
+++ b/third_party/rust/minidump-writer/examples/synthetic.rs
@@ -0,0 +1,36 @@
+//! Emits default minidump with no streams to specified path
+
+use std::fs::File;
+
+use minidump_writer::{
+    dir_section::DirSection,
+    mem_writer::{Buffer, MemoryWriter},
+    minidump_format::{MDRawHeader, MD_HEADER_SIGNATURE, MD_HEADER_VERSION},
+};
+
+// usage: `cargo run --example synthetic /tmp/micro-minidump.dmp`
+fn main() {
+    let output_path = std::env::args()
+        .nth(1)
+        .expect("missing argument: output file path");
+
+    let num_writers = 0u32;
+    let buffer_capacity = 32;
+
+    let mut destination = File::create(output_path).expect("failed to create file");
+    let mut buffer = Buffer::with_capacity(buffer_capacity);
+    let mut header_section = MemoryWriter::<MDRawHeader>::alloc(&mut buffer).unwrap();
+    let mut dir_section = DirSection::new(&mut buffer, num_writers, &mut destination).unwrap();
+
+    let header = MDRawHeader {
+        signature: MD_HEADER_SIGNATURE,
+        version: MD_HEADER_VERSION,
+        stream_count: num_writers,
+        stream_directory_rva: dir_section.position(),
+        checksum: 0,
+        time_date_stamp: 0u32,
+        flags: 0,
+    };
+    header_section.set_value(&mut buffer, header).unwrap();
+    dir_section.write_to_file(&mut buffer, None).unwrap();
+}