valgrind: safely iterate lists

Old versions triggered valgrind errors as the API method to remove an
entry modifies the list that was being iterated.

Signed-off-by: Karl Palsson <karlp@etactica.com>

2 files changed, 2 insertions, 11 deletions

diff --git a/decoder.c b/decoder.c
index eba5a28..1151f05 100644
--- a/decoder.c
+++ b/decoder.c
@@ -992,13 +992,7 @@ SRD_API int srd_decoder_load_all(void)
  */
 SRD_API int srd_decoder_unload_all(void)
 {
-	GSList *l;
-	struct srd_decoder *dec;
-
-	for (l = pd_list; l; l = l->next) {
-		dec = l->data;
-		srd_decoder_unload(dec);
-	}
+	g_slist_foreach(pd_list, (GFunc)srd_decoder_unload, NULL);
 	g_slist_free(pd_list);
 	pd_list = NULL;
 
diff --git a/srd.c b/srd.c
index 2947ca8..344919a 100644
--- a/srd.c
+++ b/srd.c
@@ -219,12 +219,9 @@ SRD_API int srd_init(const char *path)
  */
 SRD_API int srd_exit(void)
 {
-	GSList *l;
-
 	srd_dbg("Exiting libsigrokdecode.");
 
-	for (l = sessions; l; l = l->next)
-		srd_session_destroy((struct srd_session *)l->data);
+	g_slist_foreach(sessions, (GFunc)srd_session_destroy, NULL);
 
 	srd_decoder_unload_all();
 	g_slist_free_full(searchpaths, g_free);