Thu, 09 Feb 2012 10:40:19 +0100
changed hgignore filter
1 #include "list.h"
3 UcxList *ucx_list_clone(UcxList *l, copy_func fnc, void *data) {
4 UcxList *ret = NULL;
5 while (l != NULL) {
6 if (fnc != NULL) {
7 ret = ucx_list_append(ret, fnc(l->data, data));
8 } else {
9 ret = ucx_list_append(ret, l->data);
10 }
11 l = l->next;
12 }
13 return ret;
14 }
16 int ucx_list_equals(UcxList *l1, UcxList *l2, cmp_func fnc, void* data) {
17 if (l1 == l2) return 1;
19 while (l1 != NULL && l2 != NULL) {
20 if (fnc == NULL) {
21 if (l1->data != l2->data) return 0;
22 } else {
23 if (fnc(l1->data, l2->data, data) != 0) return 0;
24 }
25 l1 = l1->next;
26 l2 = l2->next;
27 }
29 return (l1 == NULL && l2 == NULL);
30 }
32 void ucx_list_free(UcxList *l) {
33 UcxList *e = l, *f;
34 while (e != NULL) {
35 f = e;
36 e = e->next;
37 free(f);
38 }
39 }
41 UcxList *ucx_list_append(UcxList *l, void *data) {
42 UcxList *nl = (UcxList*) malloc(sizeof(UcxList));
43 if (nl == NULL) return NULL;
45 nl->data = data;
46 nl->next = NULL;
47 if (l == NULL) {
48 return nl;
49 } else {
50 UcxList *t = ucx_list_last(l);
51 t->next = nl;
52 return l;
53 }
54 }
56 UcxList *ucx_list_prepend(UcxList *l, void *data) {
57 UcxList *nl = ucx_list_append(NULL, data);
58 if (nl == NULL) return NULL;
60 if (l != NULL) {
61 nl->next = l;
62 }
63 return nl;
64 }
66 UcxList *ucx_list_concat(UcxList *l1, UcxList *l2) {
67 if (l1 == NULL) {
68 return l2;
69 } else {
70 UcxList *last = ucx_list_last(l1);
71 last->next = l2;
72 return l1;
73 }
74 }
76 UcxList *ucx_list_last(UcxList *l) {
77 if (l == NULL) return NULL;
79 UcxList *e = l;
80 while (e->next != NULL) {
81 e = e->next;
82 }
83 return e;
84 }
86 UcxList *ucx_list_get(UcxList *l, int index) {
87 if (l == NULL) return NULL;
89 UcxList *e = l;
90 while (e->next != NULL && index > 0) {
91 e = e->next;
92 index--;
93 }
95 return index == 0 ? e : NULL;
96 }
98 size_t ucx_list_size(UcxList *l) {
99 if (l == NULL) return 0;
101 UcxList *e = l;
102 size_t s = 1;
103 while (e->next != NULL) {
104 e = e->next;
105 s++;
106 }
108 return s;
109 }
111 void ucx_list_foreach(UcxList *l, ucx_callback fnc, void* data) {
112 UcxList *e = l;
113 UcxList *n;
114 while (e != NULL) {
115 n = e->next;
116 fnc(e, data);
117 e = n;
118 }
119 }
121 /* list specific functions */
122 UcxList *ucx_list_remove(UcxList *l, UcxList *e) {
123 if (e == l) {
124 l = e->next;
125 free(e);
126 } else {
127 UcxList *f = l;
128 while (f->next != NULL && f->next != e) {
129 f = f->next;
130 }
131 /* perform remove iff this element is found in this list */
132 if (f->next == e) {
133 f->next = e->next;
134 free(e);
135 }
136 }
137 return l;
138 }