tdef: Introduce API osmo_tdef_set()
This API is already useful for users willing to set a given timer to a
given value. It will also contain code later that checks for value being
inside valid range for that timer.
Related: OS#4190
Change-Id: Id56a1226d724a374f04231df85fe5b49ffd2c43c
diff --git a/src/tdef.c b/src/tdef.c
index 40a9900..dfb47f6 100644
--- a/src/tdef.c
+++ b/src/tdef.c
@@ -25,6 +25,7 @@
*/
#include <limits.h>
+#include <errno.h>
#include <osmocom/core/fsm.h>
#include <osmocom/core/tdef.h>
@@ -210,6 +211,25 @@
return NULL;
}
+/*! Set value in entry matching T, converting val from val_unit to unit of T.
+ * \param[in] tdefs Array of timer definitions, last entry being fully zero.
+ * \param[in] T Timer number to set the value for.
+ * \param[in] val The new timer value to set.
+ * \param[in] val_unit Units of value in parameter val.
+ * \return 0 on success, negative on error.
+ */
+int osmo_tdef_set(struct osmo_tdef *tdefs, int T, unsigned long val, enum osmo_tdef_unit val_unit)
+{
+ struct osmo_tdef *t;
+ osmo_tdef_for_each(t, tdefs) {
+ if (t->T == T) {
+ t->val = osmo_tdef_round(val, val_unit, t->unit);
+ return 0;
+ }
+ }
+ return -EEXIST;
+}
+
/*! Using osmo_tdef for osmo_fsm_inst: find a given state's osmo_tdef_state_timeout entry.
*
* The timeouts_array shall contain exactly 32 elements, regardless whether only some of them are actually populated