Adjust memory limit of es_fopenmem to the block size.

* src/estream.c (func_mem_create): Round up memory limit.
--

This is required so that giving a memory limit to es_fopenmem won't
fail if it is below the block size.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/estream.c b/src/estream.c
index 499cc75..2033b23 100644
--- a/src/estream.c
+++ b/src/estream.c
@@ -639,6 +639,14 @@ func_mem_create (void *_GPGRT__RESTRICT *_GPGRT__RESTRICT cookie,
       return -1;
     }
 
+  /* Round a memory limit up to the next block length.  */
+  if (memory_limit && block_size)
+    {
+      memory_limit += block_size - 1;
+      memory_limit /= block_size;
+      memory_limit *= block_size;
+    }
+
   mem_cookie = mem_alloc (sizeof (*mem_cookie));
   if (!mem_cookie)
     err = -1;