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-rw-r--r--src/libpiano/response.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/src/libpiano/response.c b/src/libpiano/response.c
index 1b63bee..ae7b140 100644
--- a/src/libpiano/response.c
+++ b/src/libpiano/response.c
@@ -438,15 +438,31 @@ PianoReturn_t PianoResponse (PianoHandle_t *ph, PianoRequest_t *req) {
PianoJsonParseStation (result, tmpStation);
- /* start new linked list or append */
if (ph->stations == NULL) {
ph->stations = tmpStation;
} else {
- PianoStation_t *curStation = ph->stations;
+ PianoStation_t *curStation = ph->stations, *prevStation = NULL;
while (curStation->next != NULL) {
+ /* replace if station with same id exists already */
+ if (strcmp (curStation->id, tmpStation->id) == 0) {
+ if (prevStation == NULL) {
+ ph->stations = tmpStation;
+ } else {
+ prevStation->next = tmpStation;
+ }
+ tmpStation->next = curStation->next;
+
+ PianoDestroyStation (curStation);
+ free (curStation);
+ break;
+ }
+ prevStation = curStation;
curStation = curStation->next;
}
- curStation->next = tmpStation;
+ /* append otherwise */
+ if (tmpStation->next == NULL) {
+ curStation->next = tmpStation;
+ }
}
break;
}