save four bytes per item if client flags are 0

If the size of the flags are 0, it can easily mean to not store anything at
all.

1 files changed, 6 insertions, 2 deletions

diff --git a/items.c b/items.c
index fdfa38d..637e5e7 100644
--- a/items.c
+++ b/items.c
@@ -169,7 +169,11 @@ static size_t item_make_header(const uint8_t nkey, const unsigned int flags, con
         /* suffix is defined at 40 chars elsewhere.. */
         *nsuffix = (uint8_t) snprintf(suffix, 40, " %u %d\r\n", flags, nbytes - 2);
     } else {
-        *nsuffix = sizeof(flags);
+        if (flags == 0) {
+            *nsuffix = 0;
+        } else {
+            *nsuffix = sizeof(flags);
+        }
     }
     return sizeof(item) + nkey + *nsuffix + nbytes;
 }
@@ -322,7 +326,7 @@ item *do_item_alloc(char *key, const size_t nkey, const unsigned int flags,
     it->exptime = exptime;
     if (settings.inline_ascii_response) {
         memcpy(ITEM_suffix(it), suffix, (size_t)nsuffix);
-    } else {
+    } else if (nsuffix > 0) {
         memcpy(ITEM_suffix(it), &flags, sizeof(flags));
     }
     it->nsuffix = nsuffix;