Add pool_get_zero, pool_get_aligned_zero macros
Shorthand for the pattern:
pool_get (<pool>, ep);
memset (ep, 0, sizeof(*ep));
Should have done this years ago.
@@ -185,7 +185,7 @@ pool_free_elts (void *v)
First search free list. If nothing is free extend vector of objects.
*/
-#define pool_get_aligned(P,E,A) \
+#define _pool_get_aligned_internal(P,E,A,Z) \
do { \
pool_header_t * _pool_var (p) = pool_header (P); \
uword _pool_var (l); \
@@ -222,11 +222,22 @@ do { \
/* align */ (A)); \
E = vec_end (P) - 1; \
} \
+ if (Z) \
+ memset(E, 0, sizeof(*E)); \
} while (0)
+/** Allocate an object E from a pool P with alignment A */
+#define pool_get_aligned(P,E,A) _pool_get_aligned_internal(P,E,A,0)
+
+/** Allocate an object E from a pool P with alignment A and zero it */
+#define pool_get_aligned_zero(P,E,A) _pool_get_aligned_internal(P,E,A,1)
+
/** Allocate an object E from a pool P (unspecified alignment). */
#define pool_get(P,E) pool_get_aligned(P,E,0)
+/** Allocate an object E from a pool P and zero it */
+#define pool_get_zero(P,E) pool_get_aligned_zero(P,E,0)
+
/** See if pool_get will expand the pool or not */
#define pool_get_aligned_will_expand(P,YESNO,A) \
do { \
@@ -257,6 +268,7 @@ do { \
} \
} while (0)
+/** Tell the caller if pool get will expand the pool */
#define pool_get_will_expand(P,YESNO) pool_get_aligned_will_expand(P,YESNO,0)
/** Use free bitmap to query whether given element is free. */
