1 files changed, 34 insertions, 0 deletions
diff --git a/src/common/impl/FFlist.c b/src/common/impl/FFlist.c
new file mode 100644
index 0000000..eddd0fa
--- /dev/null
+++ b/src/common/impl/FFlist.c
@@ -0,0 +1,34 @@
+#include "common/FFlist.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+void* ffListAdd(FFlist* list, uint32_t elementSize) {
+    if (list->length == list->capacity) {
+        ffListReserve(list, elementSize, list->capacity == 0 ? FF_LIST_DEFAULT_ALLOC : list->capacity * 2);
+    }
+
+    ++list->length;
+    return ffListGet(list, elementSize, list->length - 1);
+}
+
+bool ffListShift(FFlist* list, uint32_t elementSize, void* __restrict result) {
+    if (list->length == 0) {
+        return false;
+    }
+
+    memcpy(result, list->data, elementSize);
+    memmove(list->data, list->data + elementSize, (size_t) elementSize * (list->length - 1));
+    --list->length;
+    return true;
+}
+
+bool ffListPop(FFlist* list, uint32_t elementSize, void* __restrict result) {
+    if (list->length == 0) {
+        return false;
+    }
+
+    memcpy(result, ffListGet(list, elementSize, list->length - 1), elementSize);
+    --list->length;
+    return true;
+}