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zipfsi.cpp
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zipfsi.cpp
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#include "zipfsi.h"
#include "zipfs.h"
#include <string.h>
ZipFD *zip_fd_list = NULL;
ZipFD *
zfd_find(const char *name)
{
ZipFD *ptr = zip_fd_list;
while( ptr ) {
if( strcmp(ptr->zip_name ,name)==0 ) {
break;
}
ptr = ptr->next;
}
return ptr;
}
ZipFD *
zfd_findByRoot(ZRootEntry *root)
{
ZipFD *ptr = zip_fd_list;
while( ptr ) {
if( ptr->root==root ) {
break;
}
ptr = ptr->next;
}
return ptr;
}
void
zfd_add(ZipFD *fd)
{
fd->next = zip_fd_list;
zip_fd_list = fd;
}
void
zfd_remove(ZipFD *fd)
{
ZipFD *prev = NULL, *ptr = zip_fd_list;
while( ptr ) {
if( ptr==fd ) {
if( prev )
prev->next = ptr->next;
else
zip_fd_list = ptr->next;
return;
}
prev = ptr;
ptr = ptr->next;
}
return;
}
void
zfd_gc()
{
ZipFD *ptr = zip_fd_list, *prev=NULL, *to_del;
while( ptr ) {
if( ptr->ref_count==0 ) {
delete ptr->root;
delete ptr->zip_name;
to_del = ptr;
ptr = ptr->next;
if( prev ) {
prev->next = ptr;
} else {
zip_fd_list = ptr;
}
delete to_del;
continue;
}
prev = ptr;
ptr = ptr->next;
}
}