samples: port helloworld to make

samples/make/helloworld/source/main.c

@@ -0,0 +1,39 @@
+#include <coreinit/thread.h>
+#include <coreinit/time.h>
+
+#include <whb/proc.h>
+#include <whb/log.h>
+#include <whb/log_console.h>
+
+int
+main(int argc, char **argv)
+{
+   int last_tm_sec = -1;
+   OSCalendarTime tm;
+
+   WHBProcInit();
+   WHBLogConsoleInit();
+   WHBLogPrintf("Hello World!");
+
+   while(WHBProcIsRunning()) {
+      OSTicksToCalendarTime(OSGetTime(), &tm);
+
+      if (tm.tm_sec != last_tm_sec) {
+         WHBLogPrintf("%02d/%02d/%04d %02d:%02d:%02d I'm still here.",
+                      tm.tm_mday, tm.tm_mon, tm.tm_year,
+                      tm.tm_hour, tm.tm_min, tm.tm_sec);
+         last_tm_sec = tm.tm_sec;
+       }
+
+      WHBLogConsoleDraw();
+      OSSleepTicks(OSMillisecondsToTicks(100));
+   }
+
+   WHBLogPrintf("Exiting... good bye.");
+   WHBLogConsoleDraw();
+   OSSleepTicks(OSMillisecondsToTicks(1000));
+
+   WHBLogConsoleFree();
+   WHBProcShutdown();
+   return 0;
+}