173 lines
6.5 KiB
C
173 lines
6.5 KiB
C
/*
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* Copyright (c) 2019-2020 shchmue
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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ISC License
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hactool Copyright (c) 2018, SciresM
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef HACTOOL_STORAGE_H
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#define HACTOOL_STORAGE_H
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#include <stdint.h>
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#include <utils/types.h>
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typedef struct {
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uint32_t (*read)(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t (*write)(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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void (*set_size)(void *ctx, uint64_t size);
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void (*get_size)(void *ctx, uint64_t *out_size);
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} storage_vt;
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typedef struct {
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const storage_vt *vt;
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void *ctx;
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} storage;
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static void ALWAYS_INLINE storage_init(storage *this, const storage_vt *vt, void *ctx) {
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this->vt = vt;
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this->ctx = ctx;
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}
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typedef struct {
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uint64_t offset;
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uint64_t length;
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storage base_storage;
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} substorage;
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void substorage_init(substorage *this, const storage_vt *vt, void *ctx, uint64_t offset, uint64_t length);
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bool substorage_init_from_other(substorage *this, const substorage *other, uint64_t offset, uint64_t length);
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static ALWAYS_INLINE uint32_t substorage_read(substorage *ctx, void *buffer, uint64_t offset, uint64_t count) {
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return ctx->base_storage.vt->read(ctx->base_storage.ctx, buffer, ctx->offset + offset, count);
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}
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static ALWAYS_INLINE uint32_t substorage_write(substorage *ctx, const void *buffer, uint64_t offset, uint64_t count) {
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return ctx->base_storage.vt->write(ctx->base_storage.ctx, buffer, ctx->offset + offset, count);
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}
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static ALWAYS_INLINE void substorage_get_size(substorage *ctx, uint64_t *out_size) {
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ctx->base_storage.vt->get_size(ctx->base_storage.ctx, out_size);
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}
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typedef struct {
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substorage base_storage;
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uint32_t sector_size;
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uint32_t sector_count;
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uint64_t length;
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} sector_storage;
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void sector_storage_init(sector_storage *ctx, substorage *base_storage, uint32_t sector_size);
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uint32_t save_hierarchical_integrity_verification_storage_read_wrapper(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t save_hierarchical_integrity_verification_storage_write_wrapper(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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void save_hierarchical_integrity_verification_storage_get_size_wrapper(void *ctx, uint64_t *out_size);
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static const storage_vt hierarchical_integrity_verification_storage_vt = {
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save_hierarchical_integrity_verification_storage_read_wrapper,
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save_hierarchical_integrity_verification_storage_write_wrapper,
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NULL,
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save_hierarchical_integrity_verification_storage_get_size_wrapper
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};
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uint32_t memory_storage_read_wrapper(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t memory_storage_write_wrapper(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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static const storage_vt memory_storage_vt = {
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memory_storage_read_wrapper,
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memory_storage_write_wrapper,
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NULL,
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NULL
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};
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uint32_t save_file_read_wrapper(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t save_file_write_wrapper(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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void save_file_get_size_wrapper(void *ctx, uint64_t *out_size);
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static const storage_vt file_storage_vt = {
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save_file_read_wrapper,
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save_file_write_wrapper,
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NULL,
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save_file_get_size_wrapper
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};
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uint32_t save_remap_storage_read_wrapper(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t save_remap_storage_write_wrapper(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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void save_remap_storage_get_size_wrapper(void *ctx, uint64_t *out_size);
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static const storage_vt remap_storage_vt = {
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save_remap_storage_read_wrapper,
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save_remap_storage_write_wrapper,
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NULL,
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save_remap_storage_get_size_wrapper
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};
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uint32_t save_journal_storage_read_wrapper(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t save_journal_storage_write_wrapper(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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void save_journal_storage_get_size_wrapper(void *ctx, uint64_t *out_size);
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static const storage_vt journal_storage_vt = {
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save_journal_storage_read_wrapper,
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save_journal_storage_write_wrapper,
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NULL,
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save_journal_storage_get_size_wrapper
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};
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uint32_t save_ivfc_storage_read_wrapper(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t save_ivfc_storage_write_wrapper(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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void save_ivfc_storage_get_size_wrapper(void *ctx, uint64_t *out_size);
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static const storage_vt ivfc_storage_vt = {
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save_ivfc_storage_read_wrapper,
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save_ivfc_storage_write_wrapper,
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NULL,
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save_ivfc_storage_get_size_wrapper
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};
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uint32_t save_hierarchical_duplex_storage_read_wrapper(void *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t save_hierarchical_duplex_storage_write_wrapper(void *ctx, const void *buffer, uint64_t offset, uint64_t count);
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void save_hierarchical_duplex_storage_get_size_wrapper(void *ctx, uint64_t *out_size);
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static const storage_vt hierarchical_duplex_storage_vt = {
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save_hierarchical_duplex_storage_read_wrapper,
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save_hierarchical_duplex_storage_write_wrapper,
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NULL,
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save_hierarchical_duplex_storage_get_size_wrapper
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};
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static ALWAYS_INLINE bool is_range_valid(uint64_t offset, uint64_t size, uint64_t total_size) {
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return offset >= 0 &&
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size >= 0 &&
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size <= total_size &&
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offset <= total_size - size;
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}
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#endif
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