From bec4fd31fd9f36dbcdad9d443a0c609adde1af67 Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Fri, 29 May 2020 01:23:08 +0200
Subject: common: utils: added bc_slist_append_list

---
 src/common/utils.c         | 16 ++++++++++++++++
 src/common/utils.h         |  1 +
 tests/common/check_utils.c | 27 +++++++++++++++++++++++++++
 3 files changed, 44 insertions(+)

diff --git a/src/common/utils.c b/src/common/utils.c
index f686222..4e90c77 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -74,6 +74,22 @@ bc_slist_prepend(bc_slist_t *l, void *data)
 }
 
 
+bc_slist_t*
+bc_slist_append_list(bc_slist_t *l, bc_slist_t *n)
+{
+    if (l == NULL) {
+        return n;
+    }
+    if (n == NULL) {
+        return l;
+    }
+    bc_slist_t *tmp;
+    for (tmp = l; tmp->next != NULL; tmp = tmp->next);
+    tmp->next = n;
+    return l;
+}
+
+
 void
 bc_slist_free_full(bc_slist_t *l, bc_free_func_t free_func)
 {
diff --git a/src/common/utils.h b/src/common/utils.h
index 94c3356..84ce066 100644
--- a/src/common/utils.h
+++ b/src/common/utils.h
@@ -31,6 +31,7 @@ typedef struct _bc_slist_t {
 
 bc_slist_t* bc_slist_append(bc_slist_t *l, void *data);
 bc_slist_t* bc_slist_prepend(bc_slist_t *l, void *data);
+bc_slist_t* bc_slist_append_list(bc_slist_t *l, bc_slist_t *n);
 void bc_slist_free(bc_slist_t *l);
 void bc_slist_free_full(bc_slist_t *l, bc_free_func_t free_func);
 size_t bc_slist_length(bc_slist_t *l);
diff --git a/tests/common/check_utils.c b/tests/common/check_utils.c
index 471cd77..4efc1a5 100644
--- a/tests/common/check_utils.c
+++ b/tests/common/check_utils.c
@@ -53,6 +53,32 @@ test_slist_prepend(void **state)
 }
 
 
+static void
+test_slist_append_list(void **state)
+{
+    bc_slist_t *l = NULL;
+    assert_null(bc_slist_append_list(l, NULL));
+    l = bc_slist_append(l, (void*) bc_strdup("bola"));
+    l = bc_slist_append(l, (void*) bc_strdup("guda"));
+    bc_slist_t *t = bc_slist_append_list(l, NULL);
+    assert_true(l == t);
+    bc_slist_t *n = NULL;
+    n = bc_slist_append(n, (void*) bc_strdup("chunda"));
+    n = bc_slist_append(n, (void*) bc_strdup("asd"));
+    l = bc_slist_append_list(l, n);
+    assert_non_null(l);
+    assert_string_equal(l->data, "bola");
+    assert_non_null(l->next);
+    assert_string_equal(l->next->data, "guda");
+    assert_non_null(l->next->next);
+    assert_string_equal(l->next->next->data, "chunda");
+    assert_non_null(l->next->next->next);
+    assert_string_equal(l->next->next->next->data, "asd");
+    assert_null(l->next->next->next->next);
+    bc_slist_free_full(l, free);
+}
+
+
 static void
 test_slist_free(void **state)
 {
@@ -1053,6 +1079,7 @@ main(void)
         // slist
         unit_test(test_slist_append),
         unit_test(test_slist_prepend),
+        unit_test(test_slist_append_list),
         unit_test(test_slist_free),
         unit_test(test_slist_length),
 
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