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syscall: force Windows to always use US English error messages

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Fixes #1834.

R=rsc, alex.brainman
CC=golang-dev
https://golang.org/cl/5673068
This commit is contained in:
Shenghou Ma 2012-02-20 09:51:25 +11:00 committed by Alex Brainman
parent d5b28ad2b6
commit b17a233633
2 changed files with 6 additions and 1 deletions
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4
src/pkg/syscall/syscall_windows.go
View file

@ -77,6 +77,8 @@ func Getpagesize() int { return 4096 }
// Errno is the Windows error number.
type Errno uintptr
func langid(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) }
func (e Errno) Error() string {
// deal with special go errors
idx := int(e - APPLICATION_ERROR)
@ -86,7 +88,7 @@ func (e Errno) Error() string {
// ask windows for the remaining errors
var flags uint32 = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY | FORMAT_MESSAGE_IGNORE_INSERTS
b := make([]uint16, 300)
n, err := FormatMessage(flags, 0, uint32(e), 0, b, nil)
n, err := FormatMessage(flags, 0, uint32(e), langid(LANG_ENGLISH, SUBLANG_ENGLISH_US), b, nil)
if err != nil {
return "error " + itoa(int(e)) + " (FormatMessage failed with err=" + itoa(int(err.(Errno))) + ")"
}

3
src/pkg/syscall/ztypes_windows.go
View file

@ -116,6 +116,9 @@ const (
FILE_CURRENT = 1
FILE_END = 2
LANG_ENGLISH = 0x09
SUBLANG_ENGLISH_US = 0x01
FORMAT_MESSAGE_ALLOCATE_BUFFER = 256
FORMAT_MESSAGE_IGNORE_INSERTS = 512
FORMAT_MESSAGE_FROM_STRING = 1024