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-rw-r--r--tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs148
1 files changed, 148 insertions, 0 deletions
diff --git a/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs b/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs
new file mode 100644
index 000000000..5830ef033
--- /dev/null
+++ b/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs
@@ -0,0 +1,148 @@
+#![crate_type = "staticlib"]
+#![feature(c_variadic)]
+#![feature(rustc_private)]
+
+extern crate libc;
+
+use libc::{c_char, c_double, c_int, c_long, c_longlong};
+use std::ffi::VaList;
+use std::ffi::{CString, CStr};
+
+macro_rules! continue_if {
+ ($cond:expr) => {
+ if !($cond) {
+ return 0xff;
+ }
+ }
+}
+
+unsafe fn compare_c_str(ptr: *const c_char, val: &str) -> bool {
+ let cstr0 = CStr::from_ptr(ptr);
+ match CString::new(val) {
+ Ok(cstr1) => &*cstr1 == cstr0,
+ Err(_) => false,
+ }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_list_0(mut ap: VaList) -> usize {
+ continue_if!(ap.arg::<c_longlong>() == 1);
+ continue_if!(ap.arg::<c_int>() == 2);
+ continue_if!(ap.arg::<c_longlong>() == 3);
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_list_1(mut ap: VaList) -> usize {
+ continue_if!(ap.arg::<c_int>() == -1);
+ continue_if!(ap.arg::<c_char>() == 'A' as c_char);
+ continue_if!(ap.arg::<c_char>() == '4' as c_char);
+ continue_if!(ap.arg::<c_char>() == ';' as c_char);
+ continue_if!(ap.arg::<c_int>() == 0x32);
+ continue_if!(ap.arg::<c_int>() == 0x10000001);
+ continue_if!(compare_c_str(ap.arg::<*const c_char>(), "Valid!"));
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_list_2(mut ap: VaList) -> usize {
+ continue_if!(ap.arg::<c_double>().floor() == 3.14f64.floor());
+ continue_if!(ap.arg::<c_long>() == 12);
+ continue_if!(ap.arg::<c_char>() == 'a' as c_char);
+ continue_if!(ap.arg::<c_double>().floor() == 6.18f64.floor());
+ continue_if!(compare_c_str(ap.arg::<*const c_char>(), "Hello"));
+ continue_if!(ap.arg::<c_int>() == 42);
+ continue_if!(compare_c_str(ap.arg::<*const c_char>(), "World"));
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_list_copy_0(mut ap: VaList) -> usize {
+ continue_if!(ap.arg::<c_double>().floor() == 6.28f64.floor());
+ continue_if!(ap.arg::<c_int>() == 16);
+ continue_if!(ap.arg::<c_char>() == 'A' as c_char);
+ continue_if!(compare_c_str(ap.arg::<*const c_char>(), "Skip Me!"));
+ ap.with_copy(|mut ap| {
+ if compare_c_str(ap.arg::<*const c_char>(), "Correct") {
+ 0
+ } else {
+ 0xff
+ }
+ })
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_varargs_0(_: c_int, mut ap: ...) -> usize {
+ continue_if!(ap.arg::<c_int>() == 42);
+ continue_if!(compare_c_str(ap.arg::<*const c_char>(), "Hello, World!"));
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_varargs_1(_: c_int, mut ap: ...) -> usize {
+ continue_if!(ap.arg::<c_double>().floor() == 3.14f64.floor());
+ continue_if!(ap.arg::<c_long>() == 12);
+ continue_if!(ap.arg::<c_char>() == 'A' as c_char);
+ continue_if!(ap.arg::<c_longlong>() == 1);
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_varargs_2(_: c_int, _ap: ...) -> usize {
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_varargs_3(_: c_int, mut ap: ...) -> usize {
+ continue_if!(ap.arg::<c_int>() == 1);
+ continue_if!(ap.arg::<c_int>() == 2);
+ continue_if!(ap.arg::<c_int>() == 3);
+ continue_if!(ap.arg::<c_int>() == 4);
+ continue_if!(ap.arg::<c_int>() == 5);
+ continue_if!(ap.arg::<c_int>() == 6);
+ continue_if!(ap.arg::<c_int>() == 7);
+ continue_if!(ap.arg::<c_int>() == 8);
+ continue_if!(ap.arg::<c_int>() == 9);
+ continue_if!(ap.arg::<c_int>() == 10);
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_varargs_4(_: c_double, mut ap: ...) -> usize {
+ continue_if!(ap.arg::<c_double>() == 1.0);
+ continue_if!(ap.arg::<c_double>() == 2.0);
+ continue_if!(ap.arg::<c_double>() == 3.0);
+ continue_if!(ap.arg::<c_double>() == 4.0);
+ continue_if!(ap.arg::<c_double>() == 5.0);
+ continue_if!(ap.arg::<c_double>() == 6.0);
+ continue_if!(ap.arg::<c_double>() == 7.0);
+ continue_if!(ap.arg::<c_double>() == 8.0);
+ continue_if!(ap.arg::<c_double>() == 9.0);
+ continue_if!(ap.arg::<c_double>() == 10.0);
+ 0
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn check_varargs_5(_: c_int, mut ap: ...) -> usize {
+ continue_if!(ap.arg::<c_double>() == 1.0);
+ continue_if!(ap.arg::<c_int>() == 1);
+ continue_if!(ap.arg::<c_double>() == 2.0);
+ continue_if!(ap.arg::<c_int>() == 2);
+ continue_if!(ap.arg::<c_double>() == 3.0);
+ continue_if!(ap.arg::<c_int>() == 3);
+ continue_if!(ap.arg::<c_double>() == 4.0);
+ continue_if!(ap.arg::<c_int>() == 4);
+ continue_if!(ap.arg::<c_int>() == 5);
+ continue_if!(ap.arg::<c_double>() == 5.0);
+ continue_if!(ap.arg::<c_int>() == 6);
+ continue_if!(ap.arg::<c_double>() == 6.0);
+ continue_if!(ap.arg::<c_int>() == 7);
+ continue_if!(ap.arg::<c_double>() == 7.0);
+ continue_if!(ap.arg::<c_int>() == 8);
+ continue_if!(ap.arg::<c_double>() == 8.0);
+ continue_if!(ap.arg::<c_int>() == 9);
+ continue_if!(ap.arg::<c_double>() == 9.0);
+ continue_if!(ap.arg::<c_int>() == 10);
+ continue_if!(ap.arg::<c_double>() == 10.0);
+ 0
+}