Add uc_str_append_all function

src/strvec.c

@@ -105,3 +105,28 @@ void uc_strv_destroy(struct UCStrv *strv)
     strv->strings = NULL;
 }
 
+int uc_strv_append_all(struct UCStrv *a, struct UCStrv *b, int copy)
+{
+    size_t i;
+    int rc;
+
+    rc = uc_strv_grow(a, a->allocated + b->cnt);
+    if (rc != 0) {
+        return rc;
+    }
+
+    for (i = 0; i < b->cnt; i++) {
+        if (copy) {
+            rc = uc_strv_append(a, b->strings[i]);
+        } else {
+            rc = uc_strv_append_nocopy(a, b->strings[i]);
+        }
+
+        if (rc != 0) {
+            return rc;
+        }
+    }
+
+    return 0;
+}
+