Fix CFSwiftStringGetBytes on big endian

vivkong · vivkong · commit e8fc88624b4f · 2017-10-30T08:40:02.000-04:00
diff --git a/Foundation/NSCFString.swift b/Foundation/NSCFString.swift
@@ -170,8 +170,13 @@ internal func _CFSwiftStringGetBytes(_ str: AnyObject, encoding: CFStringEncodin
                 let character = encodingView[start.advanced(by: idx + range.location)]
                 let byte0 = UInt8(character & 0x00ff)
                 let byte1 = UInt8((character >> 8) & 0x00ff)
+#if _endian(big)
+                buffer.advanced(by: idx * 2).initialize(to: byte1)
+                buffer.advanced(by: (idx * 2) + 1).initialize(to: byte0)
+#else
                 buffer.advanced(by: idx * 2).initialize(to: byte0)
                 buffer.advanced(by: (idx * 2) + 1).initialize(to: byte1)
+#endif
             }
         }
         // Every character was 2 bytes

Original file line number	Diff line number	Diff line change
`@@ -170,8 +170,13 @@ internal func _CFSwiftStringGetBytes(_ str: AnyObject, encoding: CFStringEncodin`
`170`	`170`	`let character = encodingView[start.advanced(by: idx + range.location)]`
`171`	`171`	`let byte0 = UInt8(character & 0x00ff)`
`172`	`172`	`let byte1 = UInt8((character >> 8) & 0x00ff)`
	`173`	`+#if _endian(big)`
	`174`	`+ buffer.advanced(by: idx * 2).initialize(to: byte1)`
	`175`	`+ buffer.advanced(by: (idx * 2) + 1).initialize(to: byte0)`
	`176`	`+#else`
`173`	`177`	`buffer.advanced(by: idx * 2).initialize(to: byte0)`
`174`	`178`	`buffer.advanced(by: (idx * 2) + 1).initialize(to: byte1)`
	`179`	`+#endif`
`175`	`180`	`}`
`176`	`181`	`}`
`177`	`182`	`// Every character was 2 bytes`