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00044 #include <memdebug.h>
00045 #include <sys/nutdebug.h>
00046
00047 #include <stdlib.h>
00048 #include <gorp/lili.h>
00049
00054
00067 static int LiLiDefaultItemCompare(LILI_ITEMREF ref1, LILI_ITEMREF ref2)
00068 {
00069 return ref1 - ref2;
00070 }
00071
00072
00073
00074
00075
00076
00077
00078
00079 static void LiLiNodeAddFirst(LILI *list, LILI_NODE *node)
00080 {
00081
00082 NUTASSERT(list->lst_head == NULL);
00083 NUTASSERT(list->lst_tail == NULL);
00084
00085 list->lst_head = node;
00086 list->lst_tail = node;
00087 node->nod_nxt = NULL;
00088 node->nod_prv = NULL;
00089 }
00090
00107 void LiLiRemoveNode(LILI *list, LILI_NODE *node)
00108 {
00109
00110 NUTASSERT(list != NULL);
00111 if (node) {
00112 NUTASSERT(list->lst_head != NULL);
00113 NUTASSERT(list->lst_tail != NULL);
00114
00115
00116 if (node->nod_nxt) {
00117 node->nod_nxt->nod_prv = node->nod_prv;
00118 } else {
00119 list->lst_tail = node->nod_prv;
00120 }
00121
00122 if (node->nod_prv) {
00123 node->nod_prv->nod_nxt = node->nod_nxt;
00124 } else {
00125 list->lst_head = node->nod_nxt;
00126 }
00127 free(node);
00128 }
00129 }
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00146
00147 LILI_NODE *LiLiInsertItemAfterNode(LILI *list, LILI_NODE *node, LILI_ITEMREF ref)
00148 {
00149 LILI_NODE *newnode;
00150
00151
00152 NUTASSERT(list != NULL);
00153
00154 newnode = malloc(sizeof(LILI_NODE));
00155 if (newnode) {
00156
00157 newnode->nod_itm = list->lst_icreate ? list->lst_icreate(ref) : ref;
00158 if (node) {
00159
00160 NUTASSERT(list->lst_head != NULL);
00161 NUTASSERT(list->lst_tail != NULL);
00162
00163 newnode->nod_nxt = node->nod_nxt;
00164 newnode->nod_prv = node;
00165 node->nod_nxt = newnode;
00166 if (newnode->nod_nxt) {
00167 newnode->nod_nxt->nod_prv = newnode;
00168 }
00169 if (node == list->lst_tail) {
00170 list->lst_tail = newnode;
00171 }
00172 } else {
00173
00174 LiLiNodeAddFirst(list, newnode);
00175 }
00176 }
00177 return newnode;
00178 }
00179
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00194 LILI_NODE *LiLiInsertItemBeforeNode(LILI *list, LILI_NODE *node, LILI_ITEMREF ref)
00195 {
00196 LILI_NODE *newnode;
00197
00198
00199 NUTASSERT(list != NULL);
00200
00201 newnode = malloc(sizeof(LILI_NODE));
00202 if (newnode) {
00203 newnode->nod_itm = list->lst_icreate ? list->lst_icreate(ref) : ref;
00204 if (node) {
00205
00206 NUTASSERT(list->lst_head != NULL);
00207 NUTASSERT(list->lst_tail != NULL);
00208
00209 newnode->nod_nxt = node;
00210 newnode->nod_prv = node->nod_prv;
00211 if (newnode->nod_prv) {
00212 newnode->nod_prv->nod_nxt = newnode;
00213 }
00214 node->nod_prv = newnode;
00215 if (node == list->lst_head) {
00216 list->lst_head = newnode;
00217 }
00218 } else {
00219
00220 LiLiNodeAddFirst(list, newnode);
00221 }
00222 }
00223 return newnode;
00224 }
00225
00247 LILI *LiLiCreate(uint8_t flags, LiLiItemCreateFunc icre, LiLiItemDestroyFunc ides, LiLiItemCompareFunc icmp)
00248 {
00249 LILI *list = calloc(1, sizeof(LILI));
00250
00251 if (list) {
00252 list->lst_icreate = icre;
00253 list->lst_idestroy = ides;
00254 if (icmp) {
00255 list->lst_icompare = icmp;
00256 } else {
00257 list->lst_icompare = LiLiDefaultItemCompare;
00258 }
00259 list->lst_flags = flags;
00260 }
00261 return list;
00262 }
00263
00273 void LiLiClean(LILI *list)
00274 {
00275 LILI_NODE *node;
00276
00277
00278 NUTASSERT(list != NULL);
00279
00280 if (list->lst_head) {
00281 while ((node = list->lst_head) != NULL) {
00282 list->lst_head = node->nod_nxt;
00283 if (list->lst_idestroy) {
00284 list->lst_idestroy(LiLiNodeItem(node));
00285 }
00286 free(node);
00287 }
00288 list->lst_tail = NULL;
00289 }
00290 }
00291
00301 void LiLiDestroy(LILI *list)
00302 {
00303
00304 LiLiClean(list);
00305
00306 free(list);
00307 }
00308