Merge pull request #21293 from compnerd/msvcrt-fileio
Platform: make MSVCRT more Unix-libc like
diff --git a/stdlib/public/Platform/Platform.swift b/stdlib/public/Platform/Platform.swift
index 3da7dd9..25c19c2 100644
--- a/stdlib/public/Platform/Platform.swift
+++ b/stdlib/public/Platform/Platform.swift
@@ -13,6 +13,10 @@
import SwiftShims
import SwiftOverlayShims
+#if os(Windows)
+import ucrt
+#endif
+
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
//===----------------------------------------------------------------------===//
// MacTypes.h
@@ -132,6 +136,14 @@
return vsnprintf(ptr, len, format, va_args)
}
}
+#elseif os(Windows)
+public var stdin: UnsafeMutablePointer<FILE> { return __acrt_iob_func(0) }
+public var stdout: UnsafeMutablePointer<FILE> { return __acrt_iob_func(1) }
+public var stderr: UnsafeMutablePointer<FILE> { return __acrt_iob_func(2) }
+
+public var STDIN_FILENO: Int32 { return _fileno(stdin) }
+public var STDOUT_FILENO: Int32 { return _fileno(stdout) }
+public var STDERR_FILENO: Int32 { return _fileno(stderr) }
#endif
diff --git a/stdlib/public/Platform/ucrt.modulemap b/stdlib/public/Platform/ucrt.modulemap
index ef30fff..9188f34 100644
--- a/stdlib/public/Platform/ucrt.modulemap
+++ b/stdlib/public/Platform/ucrt.modulemap
@@ -111,6 +111,7 @@
module corecrt {
header "corecrt.h"
+ header "corecrt_stdio_config.h"
export *
module io {
@@ -122,6 +123,11 @@
header "corecrt_math.h"
export *
}
+
+ module stdio {
+ header "corecrt_wstdio.h"
+ export *
+ }
}
}
