diff options
Diffstat (limited to 'libgo/syscalls/errstr.go')
-rw-r--r-- | libgo/syscalls/errstr.go | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libgo/syscalls/errstr.go b/libgo/syscalls/errstr.go new file mode 100644 index 000000000..a95abc686 --- /dev/null +++ b/libgo/syscalls/errstr.go @@ -0,0 +1,24 @@ +// errstr.go -- Error strings. + +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package syscall + +func Errstr(errno int) string { + for len := Size_t(128); ; len *= 2 { + b := make([]byte, len) + r := libc_strerror_r(errno, &b[0], len) + if r >= 0 { + i := 0 + for b[i] != 0 { + i++ + } + return string(b[:i]) + } + if GetErrno() != ERANGE { + return "Errstr failure" + } + } +} |