winamp/Src/Plugins/Input/in_mp3/titlelist.cpp

62 lines
2.1 KiB
C++

#include "main.h"
TITLELISTTYPE TitleListTerminator;
TITLELISTTYPE *TitleLinkedList = &TitleListTerminator;
void initTitleList(void)
{
TitleListTerminator.Next = NULL;
TitleListTerminator.timer = 0;
}
/* -----------------------------------------------------------------------------------------------
Adds an entry in the list
-----------------------------------------------------------------------------------------------*/
TITLELISTTYPE *newTitleListEntry(void)
{
TITLELISTTYPE *TitleObject = (TITLELISTTYPE *)calloc(1,sizeof(TITLELISTTYPE)); /* Allocate new entry */
TitleObject->Next = (void *)TitleLinkedList; /* New entry's next is old list _head */
TitleLinkedList = TitleObject; /* new _head is new entry */
return TitleObject; /* return pointer to new entry */
}
/* -----------------------------------------------------------------------------------------------
Removes an entry from the list
-----------------------------------------------------------------------------------------------*/
void removeTitleListEntry(TITLELISTTYPE *Entry)
{
TITLELISTTYPE *TitleObject = TitleLinkedList;
if (TitleObject == &TitleListTerminator) return; /* List is empty */
if (TitleObject == (void *)Entry)
{
TitleLinkedList = (TITLELISTTYPE *)TitleObject->Next;
free(TitleObject);
}
else
while (TitleObject->Next) /* While not terminator */
{
if ((TITLELISTTYPE *)(TitleObject->Next) == (void *)Entry) /* If next entry is what we're looking for */
{
TitleObject->Next = ((TITLELISTTYPE *)(TitleObject->Next))->Next; /* Skip one entry */
free(Entry); /* free the entry we dont' want anymore */
}
TitleObject = (TITLELISTTYPE *)TitleObject->Next; /* Get next entry */
}
}
void clearTitleList()
{
TITLELISTTYPE *TitleObject = TitleLinkedList;
if (TitleObject == &TitleListTerminator) return; /* List is empty */
while (TitleObject->Next) /* While not terminator */
{
TITLELISTTYPE *KillMe=TitleObject;
TitleObject = (TITLELISTTYPE *)KillMe->Next; /* Get next entry */
free(KillMe);
}
TitleLinkedList = &TitleListTerminator;
}