[UCRT] Import Microsoft.Windows.SDK.CRTSource version 10.0.22621.3

Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3
License: MIT

sdk/lib/ucrt/stdio/putw.cpp

@@ -0,0 +1,43 @@
+//
+// putw.cpp
+//
+//      Copyright (c) Microsoft Corporation.  All rights reserved.
+//
+// Defines _putw(), which writes a binary integer to a stream.
+//
+#include <corecrt_internal_stdio.h>
+
+
+
+// Writes the binary int value to the stream, byte-by-byte.  On success, returns
+// the value written; on failure, returns EOF.  Note, however, that the value may
+// be EOF--that is, after all, a valid integer--so be sure to test ferror() and
+// feof() to check for error conditions.
+extern "C" int __cdecl _putw(int const value, FILE* const stream)
+{
+    _VALIDATE_RETURN(stream != nullptr, EINVAL, EOF);
+
+    int return_value = EOF;
+
+    _lock_file(stream);
+    __try
+    {
+        char const* const first = reinterpret_cast<char const*>(&value);
+        char const* const last  = first + sizeof(value);
+        for (char const* it = first; it != last; ++it)
+        {
+            _fputc_nolock(*it, stream);
+        }
+
+        if (ferror(stream))
+            __leave;
+
+        return_value = value;
+    }
+    __finally
+    {
+        _unlock_file(stream);
+    }
+
+    return return_value;
+}