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/* ----------------------------------------------------------------------- *
*
* Copyright 2003-2010 H. Peter Anvin - All Rights Reserved
* Copyright 2010 Michal Soltys
* Copyright 2010 Shao Miller
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
/*
* partiter.h
*
* Provides disk / partition iteration.
*/
#ifndef _COM32_CHAIN_PARTITER_H
#define _COM32_CHAIN_PARTITER_H
#include <stdint.h>
#include <syslinux/disk.h>
#define PI_ERRLOAD 3
#define PI_INSANE 2
#define PI_DONE 1
#define PI_OK 0
struct itertype;
struct part_iter;
struct itertype {
int (*ctor)(struct part_iter *, va_list *);
void (*dtor)(struct part_iter *);
struct part_iter *(*next) (struct part_iter *);
};
#define PI_GPTLABSIZE ((int)sizeof(((struct disk_gpt_part_entry *)0)->name))
struct part_iter {
const struct itertype *type;
char *data;
char *record;
uint64_t start_lba;
uint64_t length;
int index;
int rawindex;
struct disk_info di;
int stepall;
int status;
/* internal */
int index0;
union _sub {
struct _dos {
uint32_t disk_sig;
uint32_t nebr_lba;
uint32_t cebr_lba;
/* internal */
uint32_t ebr_start;
uint32_t ebr_size;
uint32_t bebr_start;
uint32_t bebr_size;
int bebr_index0;
int skipcnt;
} dos;
struct _gpt {
struct guid disk_guid;
struct guid part_guid;
char part_label[PI_GPTLABSIZE/2+1];
int pe_count;
int pe_size;
uint64_t ufirst;
uint64_t ulast;
} gpt;
} sub;
};
extern const struct itertype * const typedos;
extern const struct itertype * const typegpt;
extern const struct itertype * const typeraw;
struct part_iter *pi_begin(const struct disk_info *, int stepall);
struct part_iter *pi_new(const struct itertype *, ...);
void pi_del(struct part_iter **);
int pi_next(struct part_iter **);
#endif
/* vim: set ts=8 sts=4 sw=4 noet: */