Fix WASI build of _copyDirectoryMetadata (#1094)

kateinoigakukun · web-flow · commit 0b4f13f9f490 · 2024-12-13T09:29:45.000-08:00
Extended attributes don't exist in WASI, so we need to exclude the use
of xattr-related APIs including `flistxattr`.
diff --git a/Sources/FoundationEssentials/FileManager/FileOperations.swift b/Sources/FoundationEssentials/FileManager/FileOperations.swift
@@ -951,6 +951,7 @@ enum _FileOperations {
     
     #if !canImport(Darwin)
     private static func _copyDirectoryMetadata(srcFD: CInt, srcPath: @autoclosure () -> String, dstFD: CInt, dstPath: @autoclosure () -> String, delegate: some LinkOrCopyDelegate) throws {
+        #if !os(WASI)
         // Copy extended attributes
         var size = flistxattr(srcFD, nil, 0)
         if size > 0 {
@@ -976,6 +977,7 @@ enum _FileOperations {
                 }
             }
         }
+        #endif
         var statInfo = stat()
         if fstat(srcFD, &statInfo) == 0 {
             // Copy owner/group

Original file line number	Diff line number	Diff line change
`@@ -951,6 +951,7 @@ enum _FileOperations {`
`951`	`951`
`952`	`952`	`#if !canImport(Darwin)`
`953`	`953`	`private static func _copyDirectoryMetadata(srcFD: CInt, srcPath: @autoclosure () -> String, dstFD: CInt, dstPath: @autoclosure () -> String, delegate: some LinkOrCopyDelegate) throws {`
	`954`	`+ #if !os(WASI)`
`954`	`955`	`// Copy extended attributes`
`955`	`956`	`var size = flistxattr(srcFD, nil, 0)`
`956`	`957`	`if size > 0 {`
`@@ -976,6 +977,7 @@ enum _FileOperations {`
`976`	`977`	`}`
`977`	`978`	`}`
`978`	`979`	`}`
	`980`	`+ #endif`
`979`	`981`	`var statInfo = stat()`
`980`	`982`	`if fstat(srcFD, &statInfo) == 0 {`
`981`	`983`	`// Copy owner/group`