commit 98bd75778736d4322db5ee7ecf5c548133e05d0f
author Dave Barach <dave@barachs.net> Mon Feb 10 10:16:40 2020 -0500
committer Neale Ranns <nranns@cisco.com> Thu Feb 13 07:46:36 2020 +0000
tree 12d17f6b56639041e6bae8248cca47ef0f710d58
parent 104112f2d412a4576b5e0d3bbb20665d2b5bd615

vppinfra: add cmake option to grow vectors by 1

For debugging. Do not set this option in production.

Type: feature

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I5e59671c4932e064bc087b85bf9c62c6f3bf48cf

src/vppinfra/vec.c

diff --git a/src/vppinfra/vec.c b/src/vppinfra/vec.c
index 2ee7895..05a557e 100644
--- a/src/vppinfra/vec.c
+++ b/src/vppinfra/vec.c
@@ -95,9 +95,13 @@
       return v;
     }
 
+#if CLIB_VECTOR_GROW_BY_ONE > 0
+  new_alloc_bytes = data_bytes;
+#else
   new_alloc_bytes = (old_alloc_bytes * 3) / 2;
   if (new_alloc_bytes < data_bytes)
     new_alloc_bytes = data_bytes;
+#endif
 
   new =
     clib_mem_alloc_aligned_at_offset (new_alloc_bytes, data_align,