Pulled in aligned_alloc from dlmalloc.c (dlmemalign).

[pdclib] / includes / stdlib.h

diff --git a/includes/stdlib.h b/includes/stdlib.h
index 157ebee3c1c95481f0bfc44ccc0c70c967f73622..b94ceafeeeea2fca5a61fe6fde5b11b12f4c2b69 100644 (file)
--- a/includes/stdlib.h
+++ b/includes/stdlib.h
@@ -95,19 +95,26 @@ void srand( unsigned int seed ) _PDCLIB_nothrow;
 
 /* Memory management functions */
 
-/* Allocate a chunk of heap memory of given size. If request could not be
+/* Allocate a chunk of memory of given size. If request could not be
    satisfied, return NULL. Otherwise, return a pointer to the allocated
    memory. Memory contents are undefined.
 */
 void * malloc( size_t size ) _PDCLIB_nothrow;
 
-/* Allocate a chunk of heap memory that is large enough to hold nmemb elements
-   of the given size, and zero-initialize that memory. If request could not be
+/* Allocate a chunk of memory that is large enough to hold nmemb elements of
+   the given size, and zero-initialize that memory. If request could not be
    satisfied, return NULL. Otherwise, return a pointer to the allocated
    memory.
 */
 void * calloc( size_t nmemb, size_t size ) _PDCLIB_nothrow;
 
+/* Allocate a chunk of memory of given size, with specified alignment (which
+   must be a power of two; if it is not, the next greater power of two is
+   used). If request could not be satisfied, return NULL. Otherwise, return
+   a pointer to the allocated memory.
+*/
+void * aligned_alloc( size_t alignment, size_t size ) _PDCLIB_nothrow;
+
 /* De-allocate a chunk of heap memory previously allocated using malloc(),
    calloc(), or realloc(), and pointed to by ptr. If ptr does not match a
    pointer previously returned by the mentioned allocation functions, or