1 files changed, 8 insertions, 3 deletions

diff --git a/src/bytearray.c b/src/bytearray.c
index 861890e..fff5089 100644
--- a/src/bytearray.c
+++ b/src/bytearray.c
@@ -41,15 +41,20 @@ void byte_array_free(bytearray_t *ba)
         free(ba);
 }
 
+void byte_array_grow(bytearray_t *ba, size_t amount)
+{
+        size_t increase = (amount > PAGE_SIZE) ? (amount+(PAGE_SIZE-1)) & (~(PAGE_SIZE-1)) : PAGE_SIZE;
+        ba->data = realloc(ba->data, ba->capacity + increase);
+        ba->capacity += increase;
+}
+
 void byte_array_append(bytearray_t *ba, void *buf, size_t len)
 {
         if (!ba || !ba->data || (len <= 0)) return;
         size_t remaining = ba->capacity-ba->len;
         if (len > remaining) {
                 size_t needed = len - remaining;
-                size_t increase = (needed > PAGE_SIZE) ? (needed+(PAGE_SIZE-1)) & (~(PAGE_SIZE-1)) : PAGE_SIZE;
-                ba->data = realloc(ba->data, ba->capacity + increase);
-                ba->capacity += increase;
+                byte_array_grow(ba, needed);
         }
         memcpy(((char*)ba->data) + ba->len, buf, len);
         ba->len += len;