Hello,
I am converting some C code to Go and hit an issue with one particular Syscall:
In C:
device = ioctl(group, 0x3b6a, path);
where path is char[N]
In Go:
ioctlId := 0x3b6a
device, _, errno := syscall.Syscall(
syscall.SYS_IOCTL,
uintptr(group),
uintptr(unsafe.Pointer(&ioctlId)),
uintptr(unsafe.Pointer(pciDevice)),
)
Where pciDevice is *string with exactly the same value as path in C.
When I run Go bits on the same h/w, same OS, same everything, it fails with
"errno 22 (invalid argument)". It seems that the issue is how string gets
passed to Syscall, but I could not find any examples how to do it correctly.
Appreciate some advice here.
Thank you
Serguei
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