[PATCH] libosmocore[master]: fsm: collapse an empty id to a NULL id, adjust api doc

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Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Wed Apr 4 12:16:01 UTC 2018


Review at  https://gerrit.osmocom.org/7628

fsm: collapse an empty id to a NULL id, adjust api doc

If the FSM instance id were passed as empty string, we would print "()" in the
instance name. Instead, evaluate an empty id just like a NULL id.

Describe that properly in the API docs.

Change-Id: I9fa6e13ec1c2ab204b6229f4e3fa5f2c0d53a2ba
---
M src/fsm.c
1 file changed, 5 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/28/7628/1

diff --git a/src/fsm.c b/src/fsm.c
index 0c943d4..56bb3d0 100644
--- a/src/fsm.c
+++ b/src/fsm.c
@@ -201,11 +201,14 @@
 
 /*! Change id of the FSM instance
  * \param[in] fi FSM instance
- * \param[in] id new ID
+ * \param[in] id new ID, or NULL/empty to clear the ID.
  * \returns 0 if the ID was updated, otherwise -EINVAL
  */
 int osmo_fsm_inst_update_id(struct osmo_fsm_inst *fi, const char *id)
 {
+	if (id && !*id)
+		id = NULL;
+
 	if (id) {
 		if (!osmo_identifier_valid(id)) {
 			LOGP(DLGLOBAL, LOGL_ERROR, "Attempting to allocate FSM instance of type '%s'"
@@ -245,7 +248,7 @@
  *  \param[in] ctx talloc context from which to allocate memory
  *  \param[in] priv private data reference store in fsm instance
  *  \param[in] log_level The log level for events of this FSM
- *  \param[in] id The name/ID of the FSM instance
+ *  \param[in] id The name/ID of the FSM instance, or NULL/empty to use no ID.
  *  \returns newly-allocated, initialized and registered FSM instance
  */
 struct osmo_fsm_inst *osmo_fsm_inst_alloc(struct osmo_fsm *fsm, void *ctx, void *priv,

-- 
To view, visit https://gerrit.osmocom.org/7628
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I9fa6e13ec1c2ab204b6229f4e3fa5f2c0d53a2ba
Gerrit-PatchSet: 1
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>



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