opkg: introduce the protype of active_list

     This can be used for upgrade path



git-svn-id: http://opkg.googlecode.com/svn/trunk@166 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 103 insertions, 0 deletions

diff --git a/tests/opkg_active_list_test.c b/tests/opkg_active_list_test.c
new file mode 100644
index 0000000..ec6bec1
--- /dev/null
+++ b/tests/opkg_active_list_test.c
@@ -0,0 +1,103 @@
+
+/*
+．--A---B----C----D-----E----F
+    |             |__k---L
+    |                    |_ N
+    |__ G ---H ---I---J
+             |_M      |_O
+
+Then the sequence will be 
+G M H I O J A B K N L C D E F
+*/
+
+#include <stdlib.h>
+#include <libopkg/active_list.h>
+#include <stdio.h>
+
+struct active_test {
+    char *str;
+    struct active_list list;
+} __attribute__((packed));
+
+struct active_test *active_test_new(char *str) {
+    struct active_test *ans = (struct active_test *)calloc(1, sizeof(struct active_test));
+    ans->str = str;
+    active_list_init(&ans->list); 
+    return ans;
+}
+void active_test_add(struct active_list *head, struct active_test *node) {
+    active_list_add(head, &node->list);
+}
+
+void active_test_add_depend(struct active_test *A, struct active_test *B) {
+    active_list_add_depend(&A->list, &B->list);
+}
+
+void make_list(struct active_list *head) {
+    struct active_test *A = active_test_new("A");
+    struct active_test *B = active_test_new("B");
+    struct active_test *C = active_test_new("C");
+    struct active_test *D = active_test_new("D");
+    struct active_test *E = active_test_new("E");
+    struct active_test *F = active_test_new("F");
+    struct active_test *G = active_test_new("G");
+    struct active_test *H = active_test_new("H");
+    struct active_test *I = active_test_new("I");
+    struct active_test *J = active_test_new("J");
+    struct active_test *K = active_test_new("K");
+    struct active_test *L = active_test_new("L");
+    struct active_test *M = active_test_new("M");
+    struct active_test *N = active_test_new("N");
+    struct active_test *O = active_test_new("O");
+
+    active_test_add(head, A);
+    active_test_add(head, B);
+    active_test_add(head, C);
+    active_test_add(head, D);
+    active_test_add(head, E);
+    active_test_add(head, F);
+    active_test_add(head, G);
+    active_test_add(head, H);
+    active_test_add(head, I);
+    active_test_add(head, J);
+    active_test_add(head, K);
+    active_test_add(head, L);
+    active_test_add(head, M);
+    active_test_add(head, N);
+    active_test_add(head, O);
+    active_test_add_depend(H, M);
+    active_test_add_depend(A, G);
+    active_test_add_depend(A, H);
+    active_test_add_depend(A, I);
+    active_test_add_depend(A, J);
+    active_test_add_depend(J, O);
+    active_test_add_depend(C, K);
+    active_test_add_depend(C, L); 
+    active_test_add_depend(L, N);
+}
+
+int main (void) {
+    struct active_list head;
+    struct active_list *ptr;
+    struct active_test *test;
+    active_list_init(&head);
+    make_list(&head);
+
+    for(ptr = active_list_next(&head, &head); ptr ;ptr = active_list_next(&head, ptr)) {
+        test = list_entry(ptr, struct active_test, list);
+        printf ("%s ",test->str);
+    }
+    printf("\n");
+    for(ptr = active_list_next(&head, &head); ptr ;ptr = active_list_next(&head, ptr)) {
+        test = list_entry(ptr, struct active_test, list);
+        printf ("%s ",test->str);
+    }
+    printf("\n");
+    for(ptr = active_list_next(&head, &head); ptr ;ptr = active_list_next(&head, ptr)) {
+        test = list_entry(ptr, struct active_test, list);
+        printf ("%s ",test->str);
+    }
+    printf("\n");
+
+
+}