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// +build linux darwin
package main
import (
"errors"
"syscall"
)
func setUidGid(syscallID uint, uidgid uint16) error {
if uidgid == 0 {
return nil
}
_, _, errno := syscall.Syscall(uintptr(syscallID), uintptr(uidgid), 0, 0)
if errno != 0 {
return errors.New(errno.Error())
}
return nil
}
func setUID(uid uint16) error {
return setUidGid(syscall.SYS_SETUID, uid)
}
func setGID(gid uint16) error {
return setUidGid(syscall.SYS_SETGID, gid)
}
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