1 files changed, 3 insertions, 0 deletions
diff --git a/src/slibc-alloc.c b/src/slibc-alloc.c
index 91478c6..e6a294b 100644
--- a/src/slibc-alloc.c
+++ b/src/slibc-alloc.c
@@ -281,6 +281,9 @@ void* rememalign(void* ptr, size_t boundary, size_t size, enum rememalign_mode m
   size_t old_size;
   void* new_ptr;
   
+  if ((enum rememalign_mode)(conf_clear | conf_init | conf_memcpy) != mode)
+    return errno = EINVAL, NULL;
+  
   if (size == 0)
     return secure_free(ptr), NULL;