Merge pull request #245 from sce/workspace_output_duplicates

Fix `workspace_output` duplicates

1 files changed, 10 insertions, 0 deletions

diff --git a/common/list.c b/common/list.c
index 45efc16f..310296d8 100644
--- a/common/list.c
+++ b/common/list.c
@@ -53,3 +53,13 @@ void list_cat(list_t *list, list_t *source) {
 void list_sort(list_t *list, int compare(const void *left, const void *right)) {
         qsort(list->items, list->length, sizeof(void *), compare);
 }
+
+int list_seq_find(list_t *list, int compare(const void *item, const void *data), const void *data) {
+        for (int i = 0; i < list->length; i++) {
+                void *item = list->items[i];
+                if (compare(item, data) == 0) {
+                        return i;
+                }
+        }
+        return -1;
+}