1 files changed, 9 insertions, 4 deletions

diff --git a/Include/pymem.h b/Include/pymem.h
index 2372b864a1..043db64deb 100644
--- a/Include/pymem.h
+++ b/Include/pymem.h
@@ -13,6 +13,7 @@ extern "C" {
 
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(void *) PyMem_RawMalloc(size_t size);
+PyAPI_FUNC(void *) PyMem_RawCalloc(size_t nelem, size_t elsize);
 PyAPI_FUNC(void *) PyMem_RawRealloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyMem_RawFree(void *ptr);
 #endif
@@ -57,6 +58,7 @@ PyAPI_FUNC(void) PyMem_RawFree(void *ptr);
 */
 
 PyAPI_FUNC(void *) PyMem_Malloc(size_t size);
+PyAPI_FUNC(void *) PyMem_Calloc(size_t nelem, size_t elsize);
 PyAPI_FUNC(void *) PyMem_Realloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyMem_Free(void *ptr);
 
@@ -126,22 +128,25 @@ typedef enum {
 } PyMemAllocatorDomain;
 
 typedef struct {
-    /* user context passed as the first argument to the 3 functions */
+    /* user context passed as the first argument to the 4 functions */
     void *ctx;
 
     /* allocate a memory block */
     void* (*malloc) (void *ctx, size_t size);
 
+    /* allocate a memory block initialized by zeros */
+    void* (*calloc) (void *ctx, size_t nelem, size_t elsize);
+
     /* allocate or resize a memory block */
     void* (*realloc) (void *ctx, void *ptr, size_t new_size);
 
     /* release a memory block */
     void (*free) (void *ctx, void *ptr);
-} PyMemAllocator;
+} PyMemAllocatorEx;
 
 /* Get the memory block allocator of the specified domain. */
 PyAPI_FUNC(void) PyMem_GetAllocator(PyMemAllocatorDomain domain,
-                                    PyMemAllocator *allocator);
+                                    PyMemAllocatorEx *allocator);
 
 /* Set the memory block allocator of the specified domain.
 
@@ -155,7 +160,7 @@ PyAPI_FUNC(void) PyMem_GetAllocator(PyMemAllocatorDomain domain,
    PyMem_SetupDebugHooks() function must be called to reinstall the debug hooks
    on top on the new allocator. */
 PyAPI_FUNC(void) PyMem_SetAllocator(PyMemAllocatorDomain domain,
-                                    PyMemAllocator *allocator);
+                                    PyMemAllocatorEx *allocator);
 
 /* Setup hooks to detect bugs in the following Python memory allocator
    functions: