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Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
112 lines
2.5 KiB
Go
112 lines
2.5 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin
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package main
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/*
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#cgo LDFLAGS: -framework CoreFoundation
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#include <CoreFoundation/CFBase.h>
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#include <CoreFoundation/CoreFoundation.h>
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*/
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import "C"
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import (
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"unsafe"
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)
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func init() {
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AddFactory(CollatorFactory{"osx", newOSX16Collator,
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"OS X/Darwin collator, using native strings."})
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AddFactory(CollatorFactory{"osx8", newOSX8Collator,
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"OS X/Darwin collator for UTF-8."})
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}
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func osxUInt8P(s []byte) *C.UInt8 {
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return (*C.UInt8)(unsafe.Pointer(&s[0]))
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}
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func osxCharP(s []uint16) *C.UniChar {
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return (*C.UniChar)(unsafe.Pointer(&s[0]))
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}
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// osxCollator implements an Collator based on OS X's CoreFoundation.
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type osxCollator struct {
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loc C.CFLocaleRef
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opt C.CFStringCompareFlags
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}
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func (c *osxCollator) init(locale string) {
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l := C.CFStringCreateWithBytes(
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C.kCFAllocatorDefault,
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osxUInt8P([]byte(locale)),
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C.CFIndex(len(locale)),
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C.kCFStringEncodingUTF8,
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C.Boolean(0),
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)
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c.loc = C.CFLocaleCreate(C.kCFAllocatorDefault, l)
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}
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func newOSX8Collator(locale string) (Collator, error) {
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c := &osx8Collator{}
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c.init(locale)
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return c, nil
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}
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func newOSX16Collator(locale string) (Collator, error) {
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c := &osx16Collator{}
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c.init(locale)
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return c, nil
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}
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func (c osxCollator) Key(s Input) []byte {
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return nil // sort keys not supported by OS X CoreFoundation
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}
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type osx8Collator struct {
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osxCollator
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}
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type osx16Collator struct {
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osxCollator
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}
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func (c osx16Collator) Compare(a, b Input) int {
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sa := C.CFStringCreateWithCharactersNoCopy(
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C.kCFAllocatorDefault,
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osxCharP(a.UTF16),
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C.CFIndex(len(a.UTF16)),
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C.kCFAllocatorDefault,
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)
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sb := C.CFStringCreateWithCharactersNoCopy(
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C.kCFAllocatorDefault,
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osxCharP(b.UTF16),
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C.CFIndex(len(b.UTF16)),
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C.kCFAllocatorDefault,
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)
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_range := C.CFRangeMake(0, C.CFStringGetLength(sa))
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return int(C.CFStringCompareWithOptionsAndLocale(sa, sb, _range, c.opt, c.loc))
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}
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func (c osx8Collator) Compare(a, b Input) int {
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sa := C.CFStringCreateWithBytesNoCopy(
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C.kCFAllocatorDefault,
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osxUInt8P(a.UTF8),
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C.CFIndex(len(a.UTF8)),
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C.kCFStringEncodingUTF8,
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C.Boolean(0),
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C.kCFAllocatorDefault,
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)
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sb := C.CFStringCreateWithBytesNoCopy(
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C.kCFAllocatorDefault,
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osxUInt8P(b.UTF8),
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C.CFIndex(len(b.UTF8)),
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C.kCFStringEncodingUTF8,
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C.Boolean(0),
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C.kCFAllocatorDefault,
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)
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_range := C.CFRangeMake(0, C.CFStringGetLength(sa))
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return int(C.CFStringCompareWithOptionsAndLocale(sa, sb, _range, c.opt, c.loc))
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}
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