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replace ec3_reader and ec3_writer with a unified image and tag io interface

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max 🍓
2025-02-23 20:52:59 +00:00
parent 2e4ee5c1b6
commit 9aeae388a4
32 changed files with 3458 additions and 264 deletions
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39
src/shadow-image.h Normal file
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#ifndef SHADOW_IMAGE_H_
#define SHADOW_IMAGE_H_
#include "cluster-table.h"
#include "status.h"
#include <stddef.h>
struct b_file;
struct b_buffer;
struct ec3_image_ioctx;
struct ec3_tag_ioctx;
struct ec3_tag_info;
struct shadow_image {
size_t img_nr_clusters;
size_t img_nr_bytes;
struct b_file *img_f_data;
struct b_file *img_f_cluster_table;
struct cluster_table img_cluster_table;
struct b_buffer *img_extent_table;
struct b_buffer *img_tag_table;
};
extern enum ec3_status shadow_image_init(
struct ec3_image_ioctx *parent,
struct shadow_image *out);
extern enum ec3_status shadow_image_finish(
struct ec3_image_ioctx *parent,
struct shadow_image *image);
extern void shadow_image_cancel(struct shadow_image *image);
extern enum ec3_status shadow_image_write_tag(
struct ec3_image_ioctx *src,
const struct ec3_tag_info *tag,
struct ec3_tag_ioctx *ioctx,
struct shadow_image *dest);
#endif