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(Game-specific configuration) Implemented silent overrides

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configdir/corename/corename.cfg
configdir/corename/romname.cfg
This commit is contained in:
Orkun Şensebat 2015-04-04 21:37:31 +02:00
parent e66d0c4f9d
commit 10aacda225
1 changed files with 78 additions and 0 deletions
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78
configuration.c
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@ -1088,6 +1088,82 @@ static void config_file_dump_all(config_file_t *conf)
}
}
/**
* config_append_specific:
* @conf : base config
*
* Tries to append game-specific and core-specific configuration.
* These settings will always have precedence, thus this feature
* can be used to enforce overrides.
*
* Let $RETROARCH_CFG be the directory that contains retroarch.cfg,
* $CORE_NAME be the name of the libretro core library in use and
* $ROM_NAME the basename of the ROM (without the extension and
* directory).
*
* This function only has an effect if a game-specific or core-specific
* configuration file exists at the folling locations respectively.
*
* core-specific: $RETROARCH_CFG/$CORE_NAME/$CORE_NAME.cfg
* game-specific: $RETROARCH_CFG/$CORE_NAME/$ROM_NAME.cfg
*
* Returns: False if there was an error.
*
*/
static bool config_append_specific(config_file_t *conf)
{
char config_directory[PATH_MAX_LENGTH], /* path to the directory containing retroarch.cfg (prefix) */
core_name_buffer[PATH_MAX_LENGTH], /* temporary array */
core_path[PATH_MAX_LENGTH], /* final path for core-specific configuration (prefix+suffix) */
game_path[PATH_MAX_LENGTH]; /* final path for game-specific configuration (prefix+suffix) */
const char *core_name, *game_name; /* suffix */
global_t *global = global_get_ptr();
if (!global || !conf)
RARCH_ERR("Could not obtain global pointer or configuration file pointer to retrieve path of retroarch.cfg.\n");
/* Core name: core_name
* Gets path to libretro.so or libretro.dll and strips the extension */
else if (!global->has_set_libretro && ( !config_get_path(conf, "libretro_path", core_name_buffer, PATH_MAX_LENGTH) || !path_remove_extension(core_name_buffer) ))
RARCH_ERR("libretro_path is not set. Can't tell what core is running.\n");
else /* if everything is O.K. */
{
core_name = path_basename(core_name_buffer); /* and afterwards the basedirectory. What's left is i.e. "mupen64plus_libretro" */
/* Configuration directory: config_directory.
* Contains retroarch.cfg */
fill_pathname_basedir(config_directory, global->config_path, PATH_MAX_LENGTH);
/* ROM basename: game_name
* no extension or leading directory i.e. "Super Mario 64 (USA)" */
game_name = path_basename(global->basename);
/* Concatenate strings into full paths: core_path, game_path */
fill_pathname_join(core_path, config_directory, core_name, PATH_MAX_LENGTH);
fill_pathname_join(core_path, core_path, core_name, PATH_MAX_LENGTH);
strlcat(core_path, ".cfg", PATH_MAX_LENGTH);
fill_pathname_join(game_path, config_directory, core_name, PATH_MAX_LENGTH);
fill_pathname_join(game_path, game_path, game_name, PATH_MAX_LENGTH);
strlcat(game_path, ".cfg", PATH_MAX_LENGTH);
/* Append core-specific */
if (config_append_file(conf, core_path))
RARCH_LOG("Core-specific configuration found at %s. Appending.\n", core_path);
else
RARCH_LOG("No core-specific configuration found at %s.\n", core_path);
/* Append game-specific */
if (config_append_file(conf, game_path))
RARCH_LOG("Game-specific configuration found at %s. Appending.\n", game_path);
else
RARCH_LOG("No game-specific configuration found at %s.\n", game_path);
return true; /* only means no errors were caught */
}
return false;
}
/**
* config_load:
* @path : path to be read from.
@ -1123,6 +1199,8 @@ static bool config_load_file(const char *path, bool set_defaults)
if (set_defaults)
config_set_defaults();
config_append_specific(conf);
strlcpy(tmp_append_path, global->append_config_path,
sizeof(tmp_append_path));
extra_path = strtok_r(tmp_append_path, ",", &save);