Files
tinygo/cgo/testdata/const.out.go
T
Ayke van Laethem 6593cf22fa cgo: support errno value as second return parameter
Making this work on all targets was interesting but there's now a test
in place to make sure this works on all targets that have the CGo test
enabled (which is almost all targets).
2024-11-20 07:53:59 +01:00

63 lines
1.3 KiB
Go

package main
import "syscall"
import "unsafe"
var _ unsafe.Pointer
//go:linkname C.CString runtime.cgo_CString
func C.CString(string) *C.char
//go:linkname C.GoString runtime.cgo_GoString
func C.GoString(*C.char) string
//go:linkname C.__GoStringN runtime.cgo_GoStringN
func C.__GoStringN(*C.char, uintptr) string
func C.GoStringN(cstr *C.char, length C.int) string {
return C.__GoStringN(cstr, uintptr(length))
}
//go:linkname C.__GoBytes runtime.cgo_GoBytes
func C.__GoBytes(unsafe.Pointer, uintptr) []byte
func C.GoBytes(ptr unsafe.Pointer, length C.int) []byte {
return C.__GoBytes(ptr, uintptr(length))
}
//go:linkname C.__CBytes runtime.cgo_CBytes
func C.__CBytes([]byte) unsafe.Pointer
func C.CBytes(b []byte) unsafe.Pointer {
return C.__CBytes(b)
}
//go:linkname C.__get_errno_num runtime.cgo_errno
func C.__get_errno_num() uintptr
func C.__get_errno() error {
return syscall.Errno(C.__get_errno_num())
}
type (
C.char uint8
C.schar int8
C.uchar uint8
C.short int16
C.ushort uint16
C.int int32
C.uint uint32
C.long int32
C.ulong uint32
C.longlong int64
C.ulonglong uint64
)
const C.foo = 3
const C.bar = C.foo
const C.unreferenced = 4
const C.referenced = C.unreferenced
const C.fnlike_val = 5
const C.square_val = (20 * 20)
const C.add_val = (3 + 5)