print errors to stderr

diff --git a/include/vkh.h b/include/vkh.h
index a56c69a42e7db3c919bfcd68661aea925bf92ceb..a9a9242ec563f505d36c276d7297a0bec120b440 100644 (file)
--- a/include/vkh.h
+++ b/include/vkh.h
@@ -49,7 +49,7 @@ typedef enum VmaMemoryUsage VmaMemoryUsage;
     VkResult res = (f);                                                                                                                                                                        \
     if (res != VK_SUCCESS)                                                                                                                                                             \
     {                                                                                                                                                                                                  \
-        printf("Fatal : VkResult is %d in %s at line %d\n", res,  __FILE__, __LINE__); \
+        fprintf(stderr, "Fatal : VkResult is %d in %s at line %d\n", res,  __FILE__, __LINE__); \
         assert(res == VK_SUCCESS);                                                                                                                                             \
     }                                                                                                                                                                                                  \
 }