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/******************************* LICENCE **************************************
* Any code in this file may be redistributed or modified under the terms of
* the GNU General Public Licence as published by the Free Software
* Foundation; version 2 of the licence.
****************************** END LICENCE ***********************************/
/******************************************************************************
* Author:
* Andrew Smith, http://littlesvr.ca/misc/contactandrew.php
*
* Contributors:
*
******************************************************************************/
/********************************* PURPOSE ************************************
* bkInternal.h
* This header file is for #defines and structures only used by bkisofs
******************************** END PURPOSE *********************************/
#ifndef bkInternal_h
#define bkInternal_h
#include "bk.h"
/* number of logical sectors in system area (in practice always 16) */
#define NLS_SYSTEM_AREA 16
/* number of bytes in a logical block (in practice always 2048) */
#define NBYTES_LOGICAL_BLOCK 2048
/* for el torito boot images */
#define NBYTES_VIRTUAL_SECTOR 512
/*******************************************************************************
* Joliet allows max 128 bytes
* + 2 separator1 (9660, just in case)
* + 2 separator2 (9660, just in case)
* + 10 version (9660, just in case)
* = 142 bytes (71 characters)
* Only a max of 64 characters of this will be stored. (plus '\0') */
#define NCHARS_FILE_ID_MAX_JOLIET 65
#define NBYTES_FILE_ID_MAX_9660 15 /* 8.3 + ";1" */
#define BASETW_PTR(item) ((BaseToWrite*)(item))
#define DIRTW_PTR(item) ((DirToWrite*)(item))
#define FILETW_PTR(item) ((FileToWrite*)(item))
#define SYMLINKTW_PTR(item) ((SymLinkToWrite*)(item))
#define WRITE_CACHE_SIZE 1048576
typedef struct
{
unsigned numChildren;
char** children;
} NewPath;
typedef struct BaseToWrite
{
char name9660[NBYTES_FILE_ID_MAX_9660]; /* 8.3 + ";1" max */
char nameRock[NCHARS_FILE_ID_MAX_STORE];
char nameJoliet[NCHARS_FILE_ID_MAX_JOLIET];
unsigned posixFileMode;
bk_off_t extentLocationOffset; /* where on image to write location of extent */
unsigned extentNumber; /* extent number */
bk_off_t extentLocationOffset2; /* for svd (joliet) */
bk_off_t offsetForCE; /* if the name won't fit inside the directory record */
struct BaseToWrite* next;
} BaseToWrite;
typedef struct DirToWrite
{
BaseToWrite base;
unsigned extentNumber2; /* for svd (joliet) */
unsigned dataLength; /* bytes, including blank */
unsigned dataLength2; /* for svd (joliet) */
struct BaseToWrite* children;
} DirToWrite;
typedef struct FileToWrite
{
BaseToWrite base;
unsigned size; /* in bytes */
BkHardLink* location; /* basically a copy of the following variables */
bool onImage;
unsigned offset; /* if on image, in bytes */
char* pathAndName; /* if on filesystem, full path + filename
* is to be freed by whenever the File is freed */
BkFile* origFile; /* this pointer only has one purpose: to potentially
* identify this file as the boot record. it will never
* be dereferenced, just compared to. */
} FileToWrite;
typedef struct SymLinkToWrite
{
BaseToWrite base;
char target[NCHARS_SYMLINK_TARGET_MAX];
} SymLinkToWrite;
#endif
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