mirror of
https://github.com/vivier/EMILE.git
synced 2024-11-16 04:05:53 +00:00
31 lines
652 B
C
31 lines
652 B
C
/*
|
|
*
|
|
* (c) 2005 Laurent Vivier <Laurent@lvivier.info>
|
|
*
|
|
*/
|
|
|
|
#include "libiso9660.h"
|
|
|
|
struct iso_directory_record *iso9660_readdir(iso9660_DIR *dir)
|
|
{
|
|
struct iso_directory_record *idr;
|
|
|
|
if (dir->index > 2048 - offsetof(struct iso_directory_record, name[0]))
|
|
{
|
|
if (dir->len <= 0)
|
|
return NULL;
|
|
dir->volume->device->read_sector(dir->volume->device->data, dir->extent, dir->buffer, sizeof (dir->buffer));
|
|
dir->len -= sizeof (dir->buffer);
|
|
dir->extent++;
|
|
dir->index = 0;
|
|
}
|
|
|
|
idr = (struct iso_directory_record *) &dir->buffer[dir->index];
|
|
if (idr->length[0] == 0)
|
|
return NULL;
|
|
|
|
dir->index += dir->buffer[dir->index];
|
|
|
|
return idr;
|
|
}
|