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syscall: mingw implemntation of Errstr()

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R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/621041
This commit is contained in:
Alex Brainman 2010-03-19 15:21:37 -07:00 • committed by Russ Cox
parent fa462f37e3
commit 64f33880e5
5 changed files with 30 additions and 19 deletions
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8
src/pkg/syscall/syscall_mingw.go
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@ -24,7 +24,7 @@ import (
)
func abort(funcname string, err int) {
panic(funcname+" failed: (", err, ") ", syscall.GetErrstr(err), "\n")
panic(funcname+" failed: (", err, ") ", syscall.Errstr(err), "\n")
}
func print_version(v uint32) {
@ -99,11 +99,9 @@ func getSysProcAddr(m uint32, pname string) uintptr {
//sys GetVersion() (ver uint32, errno int)
//sys FormatMessage(flags uint32, msgsrc uint32, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, errno int) = FormatMessageW
// TODO(brainman): maybe GetErrstr should replace Errstr alltogether
func GetErrstr(errno int) string {
func Errstr(errno int) string {
if errno == EMINGW {
return errors[errno]
return "not supported by windows"
}
var b = make([]uint16, 300)
n, err := FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ARGUMENT_ARRAY, 0, uint32(errno), 0, b, nil)