MDEV-13844 : Fix Windows warnings. Fix DBUG_PRINT.

- Fix win64 pointer truncation warnings
(usually coming from misusing 0x%lx and long cast in DBUG)

- Also fix printf-format warnings

Make the above mentioned warnings fatal.

- fix pthread_join on Windows to set return value.

1 files changed, 9 insertions, 0 deletions

diff --git a/mysys/my_winthread.c b/mysys/my_winthread.c
index 31385fad360..f3335621c38 100644
--- a/mysys/my_winthread.c
+++ b/mysys/my_winthread.c
@@ -121,6 +121,15 @@ int pthread_join(pthread_t thread, void **value_ptr)
     goto error_return;
   }
 
+  if (!GetExitCodeThread(handle, &ret))
+  {
+    errno= EINVAL;
+    goto error_return;
+  }
+
+  if (value_ptr)
+    *value_ptr= (void *)(size_t)ret;
+
   CloseHandle(handle);
   return 0;