Move log implementation for Windows in dedicated directory

contrib/win32/libnfc/log-internal.c

@@ -0,0 +1,60 @@
+/*-
+ * Free/Libre Near Field Communication (NFC) library
+ *
+ * Libnfc historical contributors:
+ * Copyright (C) 2009      Roel Verdult
+ * Copyright (C) 2009-2013 Romuald Conty
+ * Copyright (C) 2010-2012 Romain Tartière
+ * Copyright (C) 2010-2013 Philippe Teuwen
+ * Copyright (C) 2012-2013 Ludovic Rousseau
+ * Additional contributors of this file:
+ * Copyright (C) 2013      Alex Lian
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "log-internal.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <strsafe.h>
+
+static void
+log_output_debug(const char *format, va_list args)
+{
+  char buffer[1024];
+  HRESULT hr = StringCbVPrintf(buffer, sizeof(buffer), format, args);
+  // Spew what we got, even if the buffer is not sized large enough
+  if ((STRSAFE_E_INSUFFICIENT_BUFFER == hr) || (S_OK == hr))
+    OutputDebugString(buffer);
+}
+
+void
+log_vput_internal(const char *format, va_list args)
+{
+  vfprintf(stderr, format, args);
+  // Additional windows output to the debug window for debugging purposes
+  log_output_debug(format, args);
+}
+
+void
+log_put_internal(const char *format, ...)
+{
+  va_list va;
+  va_start(va, format);
+  vfprintf(stderr, format, va);
+  // Additional windows output to the debug window for debugging purposes
+  log_output_debug(format, va);
+  va_end(va);
+}