Merge pull request #20 from the-braveknight/main

Fix building against Musl instead of glibc

Author: colemancda

Sources/Socket/System/CInterop.swift

@@ -48,7 +48,7 @@ public extension CInterop {
      typealias SocketAddressFamily = sa_family_t
 
     /// Socket Type
-    #if os(Linux)
+    #if os(Linux) && canImport(Glibc)
     typealias SocketType = __socket_type
     #else
     typealias SocketType = CInt

Sources/Socket/System/Constants.swift

@@ -31,8 +31,13 @@ internal var _O_RDWR: CInt { O_RDWR }
 
 #if !os(Windows)
 // TODO: API?
+#if canImport(Glibc) || canImport(Darwin)
 @_alwaysEmitIntoClient
 internal var _O_ACCMODE: CInt { O_ACCMODE }
+#elseif canImport(Musl)
+@_alwaysEmitIntoClient
+internal var _O_ACCMODE: CInt { 03 } // O_ACCMODE equivalent for musl
+#endif
 
 @_alwaysEmitIntoClient
 internal var _O_NONBLOCK: CInt { O_NONBLOCK }

Sources/Socket/System/SocketFlags.swift

@@ -13,14 +13,18 @@ public struct SocketFlags: OptionSet, Hashable, Codable, Sendable {
     @_alwaysEmitIntoClient
     public init(rawValue: CInt) { self.rawValue = rawValue }
 
-    #if os(Linux)
+    #if os(Linux) && canImport(Glibc)
     private init(_ cValue: CInterop.SocketType) { 
         self.init(rawValue: numericCast(cValue.rawValue)) 
     }
     #elseif os(Android)
     private init(_ cValue: CInt) { 
         self.init(rawValue: cValue) 
     }
+    #else
+    private init(_ cValue: CInterop.SocketType) { 
+        self.init(rawValue: cValue) 
+    }
     #endif
 }
 

Sources/Socket/System/SocketType.swift

@@ -13,7 +13,7 @@ public struct SocketType: RawRepresentable, Hashable, Sendable {
   public init(rawValue: CInt) { self.rawValue = rawValue }
 
   private init(_ cValue: CInterop.SocketType) {
-      #if os(Linux)
+      #if os(Linux) && canImport(Glibc)
       self.init(rawValue: numericCast(cValue.rawValue))
       #else
       self.init(rawValue: cValue)