fix: don't let ptr::copy copy from null ptr

KristianMika · May 21, 2024 · 6bad25e · 6bad25e
1 parent 479ab31
commit 6bad25e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/cryptoki/utils.rs b/src/cryptoki/utils.rs
@@ -12,6 +12,9 @@ pub unsafe trait FromPointer<T> {
 
 unsafe impl<T> FromPointer<T> for Vec<T> {
     unsafe fn from_pointer(pointer: *mut T, count: usize) -> Self {
+        if pointer.is_null() {
+            return Vec::new();
+        }
         let mut vector = Vec::with_capacity(count);
         unsafe {
             ptr::copy(pointer, vector.as_mut_ptr(), count);