DSP

VxWorks下使用双向链表lstLib的小例子

2019-07-13 18:34发布

#include
#include
#include


typedef struct _Queue
{
 NODE * next;
 NODE * prev;
 int age;
 char name[255];


} QUEUE;


LIST list;


void TestList()
{
    QUEUE *p;
    int i;


    lstLibInit();
    lstInit(&list);
    for(i = 0; i < 10; i++)
    {
        p = malloc(sizeof(QUEUE));
        if(p) 
        {
            p->age = i * 5;
            sprintf(p->name, "person %d", i);
            lstAdd(&list, (NODE*)p);
        }
    }


    for(i = 0; i < 10; i++)
    {
        p = (QUEUE*)lstGet(&list);  //执行该语句后,该节点会自动被删除
        if(p)
        {
            printf("name = %s, age = %d ", p->name, p->age);
            free(p);
        }
    }


    lstFree(&list);
}
lstLibInit( ) - initializes lstLib module
lstInit( ) - initialize a list descriptor
lstAdd( ) - add a node to the end of a list
lstConcat( ) - concatenate two lists
lstCount( ) - report the number of nodes in a list
lstDelete( ) - delete a specified node from a list
lstExtract( ) - extract a sublist from a list
lstFirst( ) - find first node in list
lstGet( ) - delete and return the first node from a list
lstInsert( ) - insert a node in a list after a specified node
lstLast( ) - find the last node in a list
lstNext( ) - find the next node in a list
lstNth( ) - find the Nth node in a list
lstPrevious( ) - find the previous node in a list
lstNStep( ) - find a list node nStep steps away from a specified node
lstFind( ) - find a node in a list
lstFree( ) - free up a list