This change reuses the string length that available from 'ds', saving
a strlen() call.
Signed-off-by: Andy Zhou <az...@nicira.com>
---
lib/jsonrpc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/lib/jsonrpc.c b/lib/jsonrpc.c
index ae51b42..282f3bb 100644
--- a/lib/jsonrpc.c
+++ b/lib/jsonrpc.c
@@ -238,6 +238,7 @@ jsonrpc_send(struct jsonrpc *rpc, struct jsonrpc_msg *msg)
{
struct ofpbuf *buf;
struct json *json;
+ struct ds ds = DS_EMPTY_INITIALIZER;
size_t length;
char *s;
@@ -249,8 +250,9 @@ jsonrpc_send(struct jsonrpc *rpc, struct jsonrpc_msg *msg)
jsonrpc_log_msg(rpc, "send", msg);
json = jsonrpc_msg_to_json(msg);
- s = json_to_string(json, 0);
- length = strlen(s);
+ json_to_ds(json, 0, &ds);
+ length = ds.length;
+ s = ds_steal_cstr(&ds);
json_destroy(json);
buf = xmalloc(sizeof *buf);
--
1.9.1
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