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/** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **
* This file is part of clib library
* Copyright (C) 2011 Avinash Dongre ( dongre.avinash@gmail.com )
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
#include "c_lib.h"
struct clib_slist*
new_clib_slist(clib_destroy fn_d, clib_compare fn_c){
struct clib_slist *pSlist = (struct clib_slist*)malloc(sizeof(struct clib_slist));
pSlist->head = (struct clib_slist_node*)0;
pSlist->destruct_fn = fn_d;
pSlist->compare_fn = fn_c;
pSlist->size = 0;
return pSlist;
}
void
delete_clib_slist( struct clib_slist *pSlist){
while(pSlist->size != 0) {
remove_clib_slist ( pSlist, 0 );
}
free ( pSlist );
}
clib_error
push_back_clib_slist( struct clib_slist *pSlist, void *elem, size_t elem_size){
struct clib_slist_node* current = (struct clib_slist_node*)0;
struct clib_slist_node* new_node = (struct clib_slist_node*)0;
new_node = (struct clib_slist_node*)malloc(sizeof(struct clib_slist_node));
new_node->elem = new_clib_object ( elem, elem_size );
if ( ! new_node->elem )
return CLIB_SLIST_INSERT_FAILED;
new_node->next = (struct clib_slist_node*)0;
if ( pSlist->head == (struct clib_slist_node*)0 ) {
pSlist->head = new_node;
pSlist->size++;
return CLIB_ERROR_SUCCESS;
}
current = pSlist->head;
while ( current->next != (struct clib_slist_node*)0 )
current = current->next;
current->next = new_node;
pSlist->size++;
return CLIB_ERROR_SUCCESS;
}
static void
pvt_remove_clib_list ( struct clib_slist *pSlist, struct clib_slist_node* pSlistNode ) {
void *elem;
get_raw_clib_object(pSlistNode->elem, &elem);
if ( pSlist->destruct_fn) {
(pSlist->destruct_fn)(elem);
delete_clib_object ( pSlistNode->elem );
}else {
free ( elem );
delete_clib_object ( pSlistNode->elem );
}
free ( pSlistNode);
}
void
remove_clib_slist( struct clib_slist *pSlist, int pos ) {
int i = 0;
struct clib_slist_node* current = pSlist->head;
struct clib_slist_node* temp = (struct clib_slist_node*)0;
if ( pos > pSlist->size ) return;
if ( pos == 0 ) {
pSlist->head = current->next;
pvt_remove_clib_list(pSlist, current);
pSlist->size--;
return;
}
for ( i = 1; i < pos - 1; i++)
current = current->next;
temp = current->next;
current->next = current->next->next;
pvt_remove_clib_list ( pSlist, temp );
pSlist->size--;
}
clib_error
insert_clib_slist(struct clib_slist *pSlist, int pos, void *elem, size_t elem_size) {
int i = 0;
struct clib_slist_node* current = pSlist->head;
struct clib_slist_node* new_node = (struct clib_slist_node*)0;
if ( pos == 1 ) {
new_node = (struct clib_slist_node*)malloc(sizeof(struct clib_slist_node));
new_node->elem = new_clib_object ( elem, elem_size );
if ( ! new_node->elem ) {
free ( new_node );
return CLIB_SLIST_INSERT_FAILED;
}
new_node->next = pSlist->head;
pSlist->head = new_node;
pSlist->size++;
return CLIB_ERROR_SUCCESS;
}
if ( pos >= pSlist->size + 1 ) {
return push_back_clib_slist ( pSlist, elem, elem_size );
}
for ( i = 1; i < pos - 1; i++) {
current = current->next;
}
new_node = (struct clib_slist_node*)malloc(sizeof(struct clib_slist_node));
new_node->elem = new_clib_object ( elem, elem_size );
if ( ! new_node->elem ) {
free ( new_node );
return CLIB_SLIST_INSERT_FAILED;
}
new_node->next = current->next;
current->next = new_node;
pSlist->size++;
return CLIB_ERROR_SUCCESS;
}
void
for_each_clib_slist (struct clib_slist *pSlist, void (*fn)(void* )) {
void *elem;
struct clib_slist_node* current = pSlist->head;
while ( current != (struct clib_slist_node*)0 ) {
get_raw_clib_object(current->elem, &elem);
(fn)(elem);
free ( elem );
current = current->next;
}
}
clib_bool
find_clib_slist (struct clib_slist *pSlist, void* find_value, void**out_value) {
struct clib_slist_node* current = pSlist->head;
while ( current != (struct clib_slist_node*)0 ) {
get_raw_clib_object(current->elem, out_value);
if ((pSlist->compare_fn)(find_value,*out_value) != 0){
break;
}
free ( *out_value );
current = current->next;
}
if ( current ) {
return clib_true;
}
return clib_false;
}
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