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syscall: simplify text returned by Errno.Error() when FormatMessage fails 

Fixes #3623.

R=golang-dev, bsiegert, rsc
CC=golang-dev
https://golang.org/cl/6218072
This commit is contained in:
Alex Brainman 2012-05-27 18:57:16 +10:00
parent dcc80e4553
commit 042848da65
1 changed files with 3 additions and 1 deletions
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4
src/pkg/syscall/syscall_windows.go
View File

@ -90,7 +90,9 @@ func (e Errno) Error() string {
b := make([]uint16, 300)
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))) + ")"
// TODO(brainman): Call FormatMessage again asking for "native" error message.
// http://code.google.com/p/go/issues/detail?id=3376 must be resolved first.
return "winapi error #" + itoa(int(e))
}
// trim terminating \r and \n
for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- {