erigon-pulse/vendor/github.com/go-ole/go-ole/error_windows.go
Kurkó Mihály 05ade19302 dashboard: CPU, memory, diskIO and traffic on the footer (#15950)
* dashboard: footer, deep state update

* dashboard: resolve asset path

* dashboard: prevent state update on every reconnection

* dashboard: fix linter issue

* dashboard, cmd: minor UI fix, include commit hash

* dashboard: gitCommit renamed to commit

* dashboard: move the geth version to the right, make commit optional

* dashboard: memory, traffic and CPU on footer

* dashboard: fix merge

* dashboard: CPU, diskIO on footer

* dashboard: rename variables, use group declaration

* dashboard: docs
2018-01-23 22:51:04 +02:00

25 lines
650 B
Go

// +build windows
package ole
import (
"fmt"
"syscall"
"unicode/utf16"
)
// errstr converts error code to string.
func errstr(errno int) string {
// ask windows for the remaining errors
var flags uint32 = syscall.FORMAT_MESSAGE_FROM_SYSTEM | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS
b := make([]uint16, 300)
n, err := syscall.FormatMessage(flags, 0, uint32(errno), 0, b, nil)
if err != nil {
return fmt.Sprintf("error %d (FormatMessage failed with: %v)", errno, err)
}
// trim terminating \r and \n
for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- {
}
return string(utf16.Decode(b[:n]))
}