71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
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// Code generated by 'go generate'; DO NOT EDIT.
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package memmod
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import (
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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var _ unsafe.Pointer
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// Do the interface allocations only once for common
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// Errno values.
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const (
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errnoERROR_IO_PENDING = 997
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)
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var (
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errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
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errERROR_EINVAL error = syscall.EINVAL
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)
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// errnoErr returns common boxed Errno values, to prevent
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// allocations at runtime.
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func errnoErr(e syscall.Errno) error {
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switch e {
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case 0:
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return errERROR_EINVAL
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case errnoERROR_IO_PENDING:
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return errERROR_IO_PENDING
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}
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// TODO: add more here, after collecting data on the common
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// error values see on Windows. (perhaps when running
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// all.bat?)
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return e
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}
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var (
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modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
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procGetProcAddress = modkernel32.NewProc("GetProcAddress")
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procIsBadReadPtr = modkernel32.NewProc("IsBadReadPtr")
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procLoadLibraryA = modkernel32.NewProc("LoadLibraryA")
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)
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func getProcAddress(module windows.Handle, procName *byte) (addr uintptr, err error) {
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r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), uintptr(unsafe.Pointer(procName)), 0)
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addr = uintptr(r0)
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if addr == 0 {
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err = errnoErr(e1)
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}
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return
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}
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func isBadReadPtr(addr uintptr, ucb uintptr) (ret bool) {
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r0, _, _ := syscall.Syscall(procIsBadReadPtr.Addr(), 2, uintptr(addr), uintptr(ucb), 0)
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ret = r0 != 0
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return
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}
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func loadLibraryA(libFileName *byte) (module windows.Handle, err error) {
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r0, _, e1 := syscall.Syscall(procLoadLibraryA.Addr(), 1, uintptr(unsafe.Pointer(libFileName)), 0, 0)
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module = windows.Handle(r0)
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if module == 0 {
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err = errnoErr(e1)
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}
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return
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}
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