[Ltrace-devel] [RFC 1/5] vect: Fix vect_reserve for large count

[edgar.iglesias at gmail.com]

From: "Edgar E. Iglesias" <edgar at axis.com>

Use a simple over-allocation scheme that allocates 4 slots
for future growth.

Signed-off-by: Edgar E. Iglesias <edgar at axis.com>
---
 vect.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/vect.c b/vect.c
index 7dae847..b01b70e 100644
--- a/vect.c
+++ b/vect.c
@@ -82,7 +82,8 @@ int
 vect_reserve(struct vect *vec, size_t count)
 {
 	if (count > vec->allocated) {
-		size_t na = vec->allocated != 0 ? 2 * vec->allocated : 4;
+		/* Allocate 4 extra slots for growth.  */
+		size_t na = count + 4;
 		void *n = realloc(vec->data, na * vec->elt_size);
 		if (n == NULL)
 			return -1;
-- 
1.7.8.6