Merge branch 'master' into bindings/python

[babeltrace.git] / lib / prio_heap / prio_heap.c

diff --git a/lib/prio_heap/prio_heap.c b/lib/prio_heap/prio_heap.c
index a37e64c89542d10f017f8da835e01272dab2e2ef..43b4e8a4d509bbda62e2f696d9b8327ae6bf003c 100644 (file)
--- a/lib/prio_heap/prio_heap.c
+++ b/lib/prio_heap/prio_heap.c
@@ -15,6 +15,14 @@
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
 
 #include <babeltrace/prio_heap.h>
@@ -214,3 +222,21 @@ found:
        heapify(heap, pos);
        return p;
 }
+
+int heap_copy(struct ptr_heap *dst, struct ptr_heap *src)
+{
+       int ret;
+
+       ret = heap_init(dst, src->alloc_len, src->gt);
+       if (ret < 0)
+               goto end;
+
+       ret = heap_set_len(dst, src->len);
+       if (ret < 0)
+               goto end;
+
+       memcpy(dst->ptrs, src->ptrs, src->len * sizeof(void *));
+
+end:
+       return ret;
+}