libwhb: Add option to log to the LoggingModule

libraries/libwhb/include/whb/log_module.h

@@ -0,0 +1,24 @@
+#pragma once
+#include <wut.h>
+
+/**
+ * \defgroup whb_log_module Log using the LoggingModule.
+ * \ingroup whb
+ * @{
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+BOOL
+WHBLogModuleInit();
+
+BOOL
+WHBLogModuleDeinit();
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} */

libraries/libwhb/src/log_module.c

@@ -0,0 +1,37 @@
+#include <coreinit/dynload.h>
+#include <coreinit/debug.h>
+#include <whb/log.h>
+#include <string.h>
+
+static OSDynLoad_Module sModuleHandle = NULL;
+static void (*sWUMSLogWrite)(const char *, size_t) = NULL;
+
+static void
+moduleLogHandler(const char *msg)
+{
+   if(sWUMSLogWrite != NULL) {
+      sWUMSLogWrite(msg, strlen(msg));
+   }
+}
+
+BOOL
+WHBLogModuleInit()
+{   
+   if (OSDynLoad_Acquire("homebrew_logging", &sModuleHandle) != OS_DYNLOAD_OK) {
+      OSReport("WHBLogModuleInit: OSDynLoad_Acquire failed.\n");
+      return false;
+   }
+
+   if (OSDynLoad_FindExport(sModuleHandle, FALSE, "WUMSLogWrite", (void**) &sWUMSLogWrite) != OS_DYNLOAD_OK) {
+      OSReport("WHBLogModuleInit: OSDynLoad_FindExport failed.\n");
+      return false;
+   }
+
+   return WHBAddLogHandler(moduleLogHandler);
+}
+
+BOOL
+WHBLogModuleDeinit()
+{
+   return WHBRemoveLogHandler(moduleLogHandler);
+}