mirror of
https://github.com/CTCaer/RetroArch.git
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798 lines
20 KiB
C
798 lines
20 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2016 - Daniel De Matteis
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* Copyright (C) 2013-2015 - Jason Fetters
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <compat/strl.h>
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#include <string/stdstring.h>
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#include <file/file_path.h>
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#include <lists/dir_list.h>
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#include <file/archive_file.h>
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "config.def.h"
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#include "core_info.h"
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#include "configuration.h"
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#include "file_path_special.h"
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#include "list_special.h"
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static const char *core_info_tmp_path = NULL;
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static const struct string_list *core_info_tmp_list = NULL;
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static core_info_t *core_info_current = NULL;
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static core_info_list_t *core_info_curr_list = NULL;
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static void core_info_list_resolve_all_extensions(
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core_info_list_t *core_info_list)
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{
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size_t i, all_ext_len = 0;
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if (!core_info_list)
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return;
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for (i = 0; i < core_info_list->count; i++)
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{
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if (core_info_list->list[i].supported_extensions)
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all_ext_len +=
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(strlen(core_info_list->list[i].supported_extensions) + 2);
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}
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if (all_ext_len)
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core_info_list->all_ext = (char*)calloc(1, all_ext_len);
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if (!core_info_list->all_ext)
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return;
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for (i = 0; i < core_info_list->count; i++)
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{
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if (!core_info_list->list[i].supported_extensions)
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continue;
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strlcat(core_info_list->all_ext,
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core_info_list->list[i].supported_extensions, all_ext_len);
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strlcat(core_info_list->all_ext, "|", all_ext_len);
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}
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}
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static void core_info_list_resolve_all_firmware(
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core_info_list_t *core_info_list)
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{
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size_t i;
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unsigned c;
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if (!core_info_list)
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return;
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for (i = 0; i < core_info_list->count; i++)
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{
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unsigned count = 0;
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core_info_t *info = (core_info_t*)&core_info_list->list[i];
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config_file_t *config = (config_file_t*)info->config_data;
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if (!config)
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continue;
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if (!config_get_uint(config, "firmware_count", &count))
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continue;
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info->firmware = (core_info_firmware_t*)
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calloc(count, sizeof(*info->firmware));
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if (!info->firmware)
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continue;
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for (c = 0; c < count; c++)
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{
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char path_key[64] = {0};
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char desc_key[64] = {0};
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char opt_key[64] = {0};
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snprintf(path_key, sizeof(path_key), "firmware%u_path", c);
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snprintf(desc_key, sizeof(desc_key), "firmware%u_desc", c);
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snprintf(opt_key, sizeof(opt_key), "firmware%u_opt", c);
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config_get_string(config, path_key, &info->firmware[c].path);
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config_get_string(config, desc_key, &info->firmware[c].desc);
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config_get_bool(config, opt_key , &info->firmware[c].optional);
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}
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}
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}
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static void core_info_list_free(core_info_list_t *core_info_list)
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{
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size_t i, j;
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if (!core_info_list)
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return;
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for (i = 0; i < core_info_list->count; i++)
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{
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core_info_t *info = (core_info_t*)&core_info_list->list[i];
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free(info->path);
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free(info->core_name);
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free(info->systemname);
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free(info->system_manufacturer);
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free(info->display_name);
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free(info->supported_extensions);
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free(info->authors);
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free(info->permissions);
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free(info->licenses);
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free(info->categories);
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free(info->databases);
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free(info->notes);
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if (info->supported_extensions_list)
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string_list_free(info->supported_extensions_list);
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string_list_free(info->authors_list);
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string_list_free(info->note_list);
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string_list_free(info->permissions_list);
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string_list_free(info->licenses_list);
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string_list_free(info->categories_list);
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string_list_free(info->databases_list);
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config_file_free((config_file_t*)info->config_data);
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for (j = 0; j < info->firmware_count; j++)
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{
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free(info->firmware[j].path);
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free(info->firmware[j].desc);
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}
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free(info->firmware);
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}
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free(core_info_list->all_ext);
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free(core_info_list->list);
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free(core_info_list);
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}
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static config_file_t *core_info_list_iterate(
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struct string_list *contents, size_t i)
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{
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char info_path_base[PATH_MAX_LENGTH] = {0};
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char info_path[PATH_MAX_LENGTH] = {0};
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settings_t *settings = config_get_ptr();
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if (!contents->elems[i].data)
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return NULL;
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fill_pathname_base_noext(info_path_base, contents->elems[i].data,
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sizeof(info_path_base));
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#if defined(RARCH_MOBILE) || (defined(RARCH_CONSOLE) && !defined(PSP) && !defined(_3DS) && !defined(VITA))
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char *substr = strrchr(info_path_base, '_');
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if (substr)
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*substr = '\0';
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#endif
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strlcat(info_path_base,
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file_path_str(FILE_PATH_CORE_INFO_EXTENSION),
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sizeof(info_path_base));
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fill_pathname_join(info_path,
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(!string_is_empty(settings->path.libretro_info)) ?
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settings->path.libretro_info : settings->directory.libretro,
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info_path_base, sizeof(info_path));
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return config_file_new(info_path);
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}
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static core_info_list_t *core_info_list_new(void)
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{
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size_t i;
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core_info_t *core_info = NULL;
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core_info_list_t *core_info_list = NULL;
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struct string_list *contents = NULL;
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settings_t *settings = config_get_ptr();
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if (!settings)
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return NULL;
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contents = dir_list_new_special(
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settings->directory.libretro,
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DIR_LIST_CORES, NULL);
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if (!contents)
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return NULL;
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core_info_list = (core_info_list_t*)calloc(1, sizeof(*core_info_list));
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if (!core_info_list)
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goto error;
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core_info = (core_info_t*)calloc(contents->size, sizeof(*core_info));
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if (!core_info)
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goto error;
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core_info_list->list = core_info;
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core_info_list->count = contents->size;
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for (i = 0; i < contents->size; i++)
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{
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config_file_t *conf = core_info_list_iterate(contents, i);
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if (conf)
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{
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bool tmp_bool = false;
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unsigned count = 0;
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config_get_string(conf, "display_name",
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&core_info[i].display_name);
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config_get_string(conf, "corename",
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&core_info[i].core_name);
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config_get_string(conf, "systemname",
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&core_info[i].systemname);
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config_get_string(conf, "manufacturer",
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&core_info[i].system_manufacturer);
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config_get_uint(conf, "firmware_count", &count);
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core_info[i].firmware_count = count;
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if (config_get_string(conf, "supported_extensions",
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&core_info[i].supported_extensions) &&
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core_info[i].supported_extensions)
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core_info[i].supported_extensions_list =
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string_split(core_info[i].supported_extensions, "|");
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if (config_get_string(conf, "authors",
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&core_info[i].authors) &&
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core_info[i].authors)
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core_info[i].authors_list =
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string_split(core_info[i].authors, "|");
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if (config_get_string(conf, "permissions",
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&core_info[i].permissions) &&
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core_info[i].permissions)
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core_info[i].permissions_list =
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string_split(core_info[i].permissions, "|");
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if (config_get_string(conf, "license",
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&core_info[i].licenses) &&
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core_info[i].licenses)
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core_info[i].licenses_list =
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string_split(core_info[i].licenses, "|");
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if (config_get_string(conf, "categories",
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&core_info[i].categories) &&
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core_info[i].categories)
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core_info[i].categories_list =
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string_split(core_info[i].categories, "|");
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if (config_get_string(conf, "database",
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&core_info[i].databases) &&
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core_info[i].databases)
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core_info[i].databases_list =
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string_split(core_info[i].databases, "|");
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if (config_get_string(conf, "notes",
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&core_info[i].notes) &&
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core_info[i].notes)
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core_info[i].note_list = string_split(core_info[i].notes, "|");
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if (config_get_bool(conf, "supports_no_game",
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&tmp_bool))
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core_info[i].supports_no_game = tmp_bool;
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core_info[i].config_data = conf;
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}
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core_info[i].path = strdup(contents->elems[i].data);
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if (!core_info[i].display_name)
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core_info[i].display_name =
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strdup(path_basename(core_info[i].path));
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}
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core_info_list_resolve_all_extensions(core_info_list);
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core_info_list_resolve_all_firmware(core_info_list);
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dir_list_free(contents);
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return core_info_list;
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error:
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if (contents)
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dir_list_free(contents);
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core_info_list_free(core_info_list);
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return NULL;
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}
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/* Shallow-copies internal state.
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*
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* Data in *info is invalidated when the
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* core_info_list is freed. */
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static bool core_info_list_get_info(core_info_list_t *core_info_list,
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core_info_t *out_info, const char *path)
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{
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size_t i;
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if (!core_info_list || !out_info)
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return false;
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memset(out_info, 0, sizeof(*out_info));
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for (i = 0; i < core_info_list->count; i++)
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{
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const core_info_t *info = &core_info_list->list[i];
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if (string_is_equal(path_basename(info->path),
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path_basename(path)))
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{
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*out_info = *info;
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return true;
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}
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}
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return false;
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}
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static bool core_info_does_support_any_file(const core_info_t *core,
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const struct string_list *list)
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{
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size_t i;
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if (!list || !core || !core->supported_extensions_list)
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return false;
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for (i = 0; i < list->size; i++)
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if (string_list_find_elem_prefix(core->supported_extensions_list,
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".", path_get_extension(list->elems[i].data)))
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return true;
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return false;
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}
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static bool core_info_does_support_file(
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const core_info_t *core, const char *path)
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{
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if (!path || !core || !core->supported_extensions_list)
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return false;
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return string_list_find_elem_prefix(
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core->supported_extensions_list, ".", path_get_extension(path));
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}
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/* qsort_r() is not in standard C, sadly. */
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static int core_info_qsort_cmp(const void *a_, const void *b_)
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{
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const core_info_t *a = (const core_info_t*)a_;
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const core_info_t *b = (const core_info_t*)b_;
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int support_a =
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core_info_does_support_any_file(a, core_info_tmp_list)
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|| core_info_does_support_file(a, core_info_tmp_path);
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int support_b =
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core_info_does_support_any_file(b, core_info_tmp_list)
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|| core_info_does_support_file(b, core_info_tmp_path);
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if (support_a != support_b)
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return support_b - support_a;
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return strcasecmp(a->display_name, b->display_name);
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}
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static core_info_t *core_info_find_internal(
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core_info_list_t *list,
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const char *core)
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{
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size_t i;
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for (i = 0; i < list->count; i++)
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{
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core_info_t *info = core_info_get(list, i);
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if (!info)
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continue;
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if (string_is_equal(info->path, core))
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return info;
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}
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return NULL;
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}
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static bool core_info_list_update_missing_firmware_internal(
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core_info_list_t *core_info_list,
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const char *core,
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const char *systemdir)
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{
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size_t i;
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char path[PATH_MAX_LENGTH] = {0};
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core_info_t *info = NULL;
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if (!core_info_list || !core)
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return false;
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info = core_info_find_internal(core_info_list, core);
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if (!info)
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return false;
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for (i = 0; i < info->firmware_count; i++)
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{
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if (!info->firmware[i].path)
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continue;
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fill_pathname_join(path, systemdir,
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info->firmware[i].path, sizeof(path));
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info->firmware[i].missing = !path_file_exists(path);
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}
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return true;
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}
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#if 0
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static int core_info_firmware_cmp(const void *a_, const void *b_)
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{
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const core_info_firmware_t *a = (const core_info_firmware_t*)a_;
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const core_info_firmware_t *b = (const core_info_firmware_t*)b_;
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int order = b->missing - a->missing;
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if (order)
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return order;
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return strcasecmp(a->path, b->path);
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}
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/* Non-reentrant, does not allocate. Returns pointer to internal state. */
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static void core_info_list_get_missing_firmware(
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core_info_list_t *core_info_list,
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const char *core, const char *systemdir,
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const core_info_firmware_t **firmware, size_t *num_firmware)
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{
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size_t i;
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char path[PATH_MAX_LENGTH] = {0};
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core_info_t *info = NULL;
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if (!core_info_list || !core)
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return;
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*firmware = NULL;
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*num_firmware = 0;
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if (!(info = core_info_find_internal(core_info_list, core)))
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return;
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*firmware = info->firmware;
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for (i = 1; i < info->firmware_count; i++)
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{
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fill_pathname_join(path, systemdir,
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info->firmware[i].path, sizeof(path));
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info->firmware[i].missing = !path_file_exists(path);
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*num_firmware += info->firmware[i].missing;
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}
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qsort(info->firmware, info->firmware_count, sizeof(*info->firmware),
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core_info_firmware_cmp);
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}
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#endif
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void core_info_free_current_core(void)
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{
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if (core_info_current)
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free(core_info_current);
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core_info_current = NULL;
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}
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bool core_info_init_current_core(void)
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{
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core_info_current = (core_info_t*)calloc(1, sizeof(core_info_t));
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if (!core_info_current)
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return false;
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return true;
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}
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bool core_info_get_current_core(core_info_t **core)
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{
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if (!core)
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return false;
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*core = core_info_current;
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return true;
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}
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void core_info_deinit_list(void)
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{
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if (core_info_curr_list)
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core_info_list_free(core_info_curr_list);
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core_info_curr_list = NULL;
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}
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bool core_info_init_list(void)
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{
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core_info_curr_list = core_info_list_new();
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if (!core_info_curr_list)
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return false;
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return true;
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}
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bool core_info_get_list(core_info_list_t **core)
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{
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if (!core)
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return false;
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*core = core_info_curr_list;
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|
return true;
|
|
}
|
|
|
|
bool core_info_list_update_missing_firmware(core_info_ctx_firmware_t *info)
|
|
{
|
|
if (!info)
|
|
return false;
|
|
|
|
return core_info_list_update_missing_firmware_internal(
|
|
core_info_curr_list,
|
|
info->path, info->directory.system);
|
|
}
|
|
|
|
bool core_info_load(core_info_ctx_find_t *info)
|
|
{
|
|
core_info_t *core_info = NULL;
|
|
|
|
if (!info)
|
|
return false;
|
|
|
|
core_info_get_current_core(&core_info);
|
|
|
|
if (!core_info_curr_list)
|
|
return false;
|
|
|
|
if (!core_info_list_get_info(core_info_curr_list,
|
|
core_info, info->path))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool core_info_find(core_info_ctx_find_t *info, const char *core_path)
|
|
{
|
|
if (!info || !core_info_curr_list)
|
|
return false;
|
|
info->inf = core_info_find_internal(core_info_curr_list, core_path);
|
|
if (!info->inf)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
core_info_t *core_info_get(core_info_list_t *list, size_t i)
|
|
{
|
|
core_info_t *info = NULL;
|
|
|
|
if (!list)
|
|
return NULL;
|
|
info = (core_info_t*)&list->list[i];
|
|
if (!info || !info->path)
|
|
return NULL;
|
|
|
|
return info;
|
|
}
|
|
|
|
void core_info_list_get_supported_cores(core_info_list_t *core_info_list,
|
|
const char *path, const core_info_t **infos, size_t *num_infos)
|
|
{
|
|
size_t i;
|
|
struct string_list *list = NULL;
|
|
size_t supported = 0;
|
|
|
|
if (!core_info_list)
|
|
return;
|
|
|
|
core_info_tmp_path = path;
|
|
|
|
#ifdef HAVE_ZLIB
|
|
if (string_is_equal_noncase(path_get_extension(path), "zip"))
|
|
list = file_archive_get_file_list(path, NULL);
|
|
core_info_tmp_list = list;
|
|
#endif
|
|
|
|
/* Let supported core come first in list so we can return
|
|
* a pointer to them. */
|
|
qsort(core_info_list->list, core_info_list->count,
|
|
sizeof(core_info_t), core_info_qsort_cmp);
|
|
|
|
for (i = 0; i < core_info_list->count; i++, supported++)
|
|
{
|
|
const core_info_t *core = &core_info_list->list[i];
|
|
|
|
if (core_info_does_support_file(core, path))
|
|
continue;
|
|
|
|
#ifdef HAVE_ZLIB
|
|
if (core_info_does_support_any_file(core, list))
|
|
continue;
|
|
#endif
|
|
|
|
break;
|
|
}
|
|
|
|
if (list)
|
|
string_list_free(list);
|
|
|
|
*infos = core_info_list->list;
|
|
*num_infos = supported;
|
|
}
|
|
|
|
void core_info_get_name(const char *path, char *s, size_t len)
|
|
{
|
|
size_t i;
|
|
core_info_t *core_info = NULL;
|
|
core_info_list_t *core_info_list = NULL;
|
|
struct string_list *contents = NULL;
|
|
settings_t *settings = config_get_ptr();
|
|
|
|
if (!settings)
|
|
return;
|
|
|
|
contents = dir_list_new_special(
|
|
settings->directory.libretro,
|
|
DIR_LIST_CORES, NULL);
|
|
|
|
if (!contents)
|
|
return;
|
|
|
|
core_info_list = (core_info_list_t*)calloc(1, sizeof(*core_info_list));
|
|
if (!core_info_list)
|
|
goto error;
|
|
|
|
core_info = (core_info_t*)calloc(contents->size, sizeof(*core_info));
|
|
if (!core_info)
|
|
goto error;
|
|
|
|
core_info_list->list = core_info;
|
|
core_info_list->count = contents->size;
|
|
|
|
for (i = 0; i < contents->size; i++)
|
|
{
|
|
config_file_t *conf = NULL;
|
|
|
|
if (!string_is_equal(contents->elems[i].data, path))
|
|
continue;
|
|
|
|
conf = core_info_list_iterate(contents, i);
|
|
|
|
if (conf)
|
|
{
|
|
config_get_string(conf, "corename",
|
|
&core_info[i].core_name);
|
|
core_info[i].config_data = (void*)conf;
|
|
}
|
|
|
|
core_info[i].path = strdup(contents->elems[i].data);
|
|
|
|
strlcpy(s, core_info[i].core_name, len);
|
|
}
|
|
|
|
error:
|
|
if (contents)
|
|
dir_list_free(contents);
|
|
contents = NULL;
|
|
core_info_list_free(core_info_list);
|
|
}
|
|
|
|
size_t core_info_list_num_info_files(core_info_list_t *core_info_list)
|
|
{
|
|
size_t i, num = 0;
|
|
|
|
if (!core_info_list)
|
|
return 0;
|
|
|
|
for (i = 0; i < core_info_list->count; i++)
|
|
{
|
|
config_file_t *conf = (config_file_t*)
|
|
core_info_list->list[i].config_data;
|
|
num += !!conf;
|
|
}
|
|
|
|
return num;
|
|
}
|
|
|
|
bool core_info_unsupported_content_path(const char *path)
|
|
{
|
|
size_t i;
|
|
|
|
if (!core_info_curr_list)
|
|
return false;
|
|
|
|
for (i = 0; i < core_info_curr_list->count; i++)
|
|
{
|
|
const core_info_t *info = &core_info_curr_list->list[i];
|
|
|
|
if (string_list_find_elem(info->supported_extensions_list, path_get_extension(path)))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool core_info_database_supports_content_path(const char *database_path, const char *path)
|
|
{
|
|
size_t i;
|
|
char *database = NULL;
|
|
|
|
if (!core_info_curr_list)
|
|
return false;
|
|
|
|
database = strdup(path_basename(database_path));
|
|
|
|
path_remove_extension(database);
|
|
|
|
for (i = 0; i < core_info_curr_list->count; i++)
|
|
{
|
|
const core_info_t *info = &core_info_curr_list->list[i];
|
|
|
|
if (string_list_find_elem(info->supported_extensions_list, path_get_extension(path)))
|
|
if (string_list_find_elem(info->databases_list, database))
|
|
{
|
|
free(database);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
free(database);
|
|
return false;
|
|
}
|
|
|
|
bool core_info_list_get_display_name(core_info_list_t *core_info_list,
|
|
const char *path, char *s, size_t len)
|
|
{
|
|
size_t i;
|
|
|
|
if (!core_info_list)
|
|
return false;
|
|
|
|
for (i = 0; i < core_info_list->count; i++)
|
|
{
|
|
const core_info_t *info = &core_info_list->list[i];
|
|
if (string_is_equal(path_basename(info->path), path_basename(path))
|
|
&& info->display_name)
|
|
{
|
|
strlcpy(s, info->display_name, len);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool core_info_get_display_name(const char *path, char *s, size_t len)
|
|
{
|
|
char *core_name = NULL;
|
|
char *display_name = NULL;
|
|
config_file_t *conf = NULL;
|
|
|
|
if (!path_file_exists(path))
|
|
return false;
|
|
|
|
conf = config_file_new(path);
|
|
|
|
if (!conf)
|
|
return false;
|
|
|
|
config_get_string(conf, "corename",
|
|
&core_name);
|
|
config_get_string(conf, "display_name",
|
|
&display_name);
|
|
|
|
if (!core_name || !display_name)
|
|
goto error;
|
|
|
|
config_file_free(conf);
|
|
|
|
snprintf(s, len,"%s",display_name);
|
|
|
|
free(core_name);
|
|
free(display_name);
|
|
|
|
return true;
|
|
|
|
error:
|
|
config_file_free(conf);
|
|
if (core_name)
|
|
free(core_name);
|
|
if (display_name)
|
|
free(display_name);
|
|
return false;
|
|
}
|