cgo: do not rely on stdint.h to be available

3 files changed, 7 insertions, 13 deletions

diff --git a/testdata/cgo/main.c b/testdata/cgo/main.c
index 0ce7b6831..ecee93178 100644
--- a/testdata/cgo/main.c
+++ b/testdata/cgo/main.c
@@ -1,13 +1,7 @@
-#include <stdint.h>
-
-int32_t fortytwo() {
+int fortytwo() {
 	return 42;
 }
 
 int add(int a, int b) {
 	return a + b;
 }
-
-int32_t mul(int32_t a, int32_t b) {
-	return a * b;
-}
diff --git a/testdata/cgo/main.go b/testdata/cgo/main.go
index f37c95eb9..f4a5d4d8b 100644
--- a/testdata/cgo/main.go
+++ b/testdata/cgo/main.go
@@ -1,20 +1,20 @@
 package main
 
 /*
-#include <stdint.h>
-int32_t fortytwo(void);
-int32_t mul(int32_t a, int32_t b);
-typedef int32_t myint;
+int fortytwo(void);
+typedef short myint;
 int add(int a, int b);
 */
 import "C"
 
+import "unsafe"
+
 func main() {
 	println("fortytwo:", C.fortytwo())
-	println("mul:", C.mul(C.int32_t(3), 5))
 	println("add:", C.add(C.int(3), 5))
 	var x C.myint = 3
 	println("myint:", x, C.myint(5))
+	println("myint size:", int(unsafe.Sizeof(x)))
 	var y C.longlong = -(1 << 40)
 	println("longlong:", y)
 }
diff --git a/testdata/cgo/out.txt b/testdata/cgo/out.txt
index 5f222ce04..d6d208731 100644
--- a/testdata/cgo/out.txt
+++ b/testdata/cgo/out.txt
@@ -1,5 +1,5 @@
 fortytwo: 42
-mul: 15
 add: 8
 myint: 3 5
+myint size: 2
 longlong: -1099511627776