mirror of
https://github.com/shchmue/Lockpick_RCM.git
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90 lines
3.5 KiB
C
90 lines
3.5 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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#include "save_data_directory.h"
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#include <string.h>
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void save_data_directory_init(save_data_directory_ctx_t *ctx, hierarchical_save_file_table_ctx_t *table, save_find_position_t *position, open_directory_mode_t mode) {
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ctx->parent_file_table = table;
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ctx->initial_position = position;
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ctx->_current_position = position;
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ctx->mode = mode;
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}
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bool save_data_directory_read_impl(save_data_directory_ctx_t *ctx, uint64_t *out_entries_read, save_find_position_t *position, directory_entry_t *entry_buffer, uint64_t entry_count) {
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hierarchical_save_file_table_ctx_t *tab = ctx->parent_file_table;
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uint32_t i = 0;
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save_file_info_t info;
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char name[SAVE_FS_LIST_MAX_NAME_LENGTH];
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if (ctx->mode & OPEN_DIR_MODE_DIR) {
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while ((!entry_buffer || i < entry_count) && save_hierarchical_file_table_find_next_directory(tab, position, name)) {
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directory_entry_t *entry = &entry_buffer[i];
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memcpy(entry->name, name, SAVE_FS_LIST_MAX_NAME_LENGTH);
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entry->name[SAVE_FS_LIST_MAX_NAME_LENGTH] = 0;
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entry->type = DIR_ENT_TYPE_DIR;
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entry->size = 0;
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i++;
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}
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}
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if (ctx->mode & OPEN_DIR_MODE_FILE) {
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while ((!entry_buffer || i < entry_count) && save_hierarchical_file_table_find_next_file(tab, position, &info, name)) {
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directory_entry_t *entry = &entry_buffer[i];
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memcpy(entry->name, name, SAVE_FS_LIST_MAX_NAME_LENGTH);
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entry->name[SAVE_FS_LIST_MAX_NAME_LENGTH] = 0;
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entry->type = DIR_ENT_TYPE_FILE;
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entry->size = 0;
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i++;
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}
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}
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*out_entries_read = i;
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return true;
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}
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bool save_data_directory_read(save_data_directory_ctx_t *ctx, uint64_t *out_entries_read, directory_entry_t *entry_buffer, uint64_t entry_count) {
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return save_data_directory_read_impl(ctx, out_entries_read, ctx->_current_position, entry_buffer, entry_count);
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}
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bool save_data_directory_get_entry_count(save_data_directory_ctx_t *ctx, uint64_t *out_entry_count) {
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return save_data_directory_read_impl(ctx, out_entry_count, ctx->initial_position, NULL, 0);
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}
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