From c8546ad42dc70dcc1da305c87cc42118a38567af Mon Sep 17 00:00:00 2001
From: Sjors Holtrop <sjors@sholtrop.dev>
Date: Tue, 3 Jan 2023 19:55:57 +0100
Subject: [PATCH] Parse `...` as a `VaList`

---
 src/bindgen/ir/ty.rs                | 3 +++
 tests/expectations/va_list.c        | 2 ++
 tests/expectations/va_list.compat.c | 2 ++
 tests/expectations/va_list.cpp      | 2 ++
 tests/expectations/va_list.pyx      | 2 ++
 tests/rust/va_list.rs               | 5 +++++
 6 files changed, 16 insertions(+)

diff --git a/src/bindgen/ir/ty.rs b/src/bindgen/ir/ty.rs
index d51cd63..5a31fb6 100644
--- a/src/bindgen/ir/ty.rs
+++ b/src/bindgen/ir/ty.rs
@@ -535,6 +535,9 @@ impl Type {
                 }
                 return Err("Tuples are not supported types.".to_owned());
             }
+            syn::Type::Verbatim(ref tokens) if tokens.to_string() == "..." => {
+                Type::Primitive(PrimitiveType::VaList)
+            }
             _ => return Err(format!("Unsupported type: {:?}", ty)),
         };
 
diff --git a/tests/expectations/va_list.c b/tests/expectations/va_list.c
index 2332c27..d2f9ac3 100644
--- a/tests/expectations/va_list.c
+++ b/tests/expectations/va_list.c
@@ -4,3 +4,5 @@
 #include <stdlib.h>
 
 int32_t va_list_test(va_list ap);
+
+int32_t va_list_test2(va_list ap);
diff --git a/tests/expectations/va_list.compat.c b/tests/expectations/va_list.compat.c
index acaae09..bdd8f4b 100644
--- a/tests/expectations/va_list.compat.c
+++ b/tests/expectations/va_list.compat.c
@@ -9,6 +9,8 @@ extern "C" {
 
 int32_t va_list_test(va_list ap);
 
+int32_t va_list_test2(va_list ap);
+
 #ifdef __cplusplus
 } // extern "C"
 #endif // __cplusplus
diff --git a/tests/expectations/va_list.cpp b/tests/expectations/va_list.cpp
index 8059074..2a3344b 100644
--- a/tests/expectations/va_list.cpp
+++ b/tests/expectations/va_list.cpp
@@ -8,4 +8,6 @@ extern "C" {
 
 int32_t va_list_test(va_list ap);
 
+int32_t va_list_test2(va_list ap);
+
 } // extern "C"
diff --git a/tests/expectations/va_list.pyx b/tests/expectations/va_list.pyx
index a692808..4ce0c8d 100644
--- a/tests/expectations/va_list.pyx
+++ b/tests/expectations/va_list.pyx
@@ -7,3 +7,5 @@ cdef extern from *:
 cdef extern from *:
 
   int32_t va_list_test(va_list ap);
+
+  int32_t va_list_test2(va_list ap);
diff --git a/tests/rust/va_list.rs b/tests/rust/va_list.rs
index 1016091..13503dd 100644
--- a/tests/rust/va_list.rs
+++ b/tests/rust/va_list.rs
@@ -4,3 +4,8 @@ use std::ffi::VaList;
 pub unsafe extern "C" fn va_list_test(mut ap: VaList) -> int32_t {
     ap.arg()
 }
+
+#[no_mangle]
+pub unsafe extern "C" fn va_list_test2(mut ap: ...) -> int32_t {
+    ap.arg()
+}