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Honor the LIBRETRO_DATABASE_DIRECTORY environment variable. (#17431)

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* Partially revert a change made in 69ceb95ddc.

The change caused the 'libretro_directory' config option to always
revert to the default value, which was not intended behavior.

Reported-by: Michael Cook

* platform: Honor the LIBRETRO_DATABASE_DIRECTORY environment variable.

This is a follow-up to commit 69ceb95ddc.

* frontend/drivers/platform_unix.c
(libretro_database_directory): New variable.
(frontend_unix_get_env): Set DEFAULT_DIR_DATABASE to the value of
the LIBRETRO_DATABASE_DIRECTORY environment variable, if available.
* frontend/drivers/platform_win32.c: Likewise.
* configuration.c (config_load_file)
<libretro_database_directory>: New variable. Use the values of
the LIBRETRO_DATABASE_DIRECTORY environment variables instead of their
corresponding configured values, when set.
* docs/retroarch.6: Document.
* retroarch.c (retroarch_print_help): List supported environment
variables, and cross-reference the man page.
This commit is contained in:
Apteryks 2025-01-19 14:25:28 +00:00 committed by GitHub
parent 5db9b7f8c9
commit 274cd419fa
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
5 changed files with 58 additions and 7 deletions
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17
configuration.c
View File

@ -3571,6 +3571,7 @@ static bool config_load_file(global_t *global,
char* libretro_directory = NULL;
char* libretro_assets_directory = NULL;
char* libretro_autoconfig_directory = NULL;
char* libretro_database_directory = NULL;
char* libretro_system_directory = NULL;
char* libretro_video_filter_directory = NULL;
char* libretro_video_shader_directory = NULL;
@ -3855,6 +3856,12 @@ static bool config_load_file(global_t *global,
strlcpy(path_settings[i].ptr, tmp_str, PATH_MAX_LENGTH);
}
#if !IOS
if (config_get_path(conf, "libretro_directory", tmp_str, sizeof(tmp_str)))
configuration_set_string(settings,
settings->paths.directory_libretro, tmp_str);
#endif
#ifdef RARCH_CONSOLE
if (conf)
video_driver_load_settings(global, conf);
@ -3871,13 +3878,19 @@ static bool config_load_file(global_t *global,
}
libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
if (libretro_autoconfig_directory)
if (libretro_autoconfig_directory) /* override configuration value */
configuration_set_string(settings,
settings->paths.directory_autoconfig,
libretro_autoconfig_directory);
libretro_database_directory = getenv("LIBRETRO_DATABASE_DIRECTORY");
if (libretro_database_directory) /* override configuration value */
configuration_set_string(settings,
settings->paths.path_content_database,
libretro_database_directory);
libretro_system_directory = getenv("LIBRETRO_SYSTEM_DIRECTORY");
if (libretro_system_directory)
if (libretro_system_directory) /* override configuration value */
configuration_set_string(settings,
settings->paths.directory_system,
libretro_system_directory);

8
docs/retroarch.6
View File

@ -1,6 +1,6 @@
.\" retroarch.6:
.TH "RETROARCH" "6" "January 16, 2025" "RETROARCH" "System Manager's Manual: retroarch"
.TH "RETROARCH" "6" "January 18, 2025" "RETROARCH" "System Manager's Manual: retroarch"
.SH NAME
@ -261,6 +261,12 @@ Specify the directory where RetroArch looks for controller
auto-configuration files, overriding the value of the
"joypad_autoconfig_dir" configuration file option.
.TP
\fBLIBRETRO_DATABASE_DIRECTORY\fR
Specify the directory where RetroArch looks for database files,
overriding the value of the "content_database_path" configuration file
option.
.TP
\fBLIBRETRO_SYSTEM_DIRECTORY\fR
Specify the directory where RetroArch looks for system files,

6
frontend/drivers/platform_unix.c
View File

@ -1325,6 +1325,7 @@ static void frontend_unix_get_env(int *argc,
const char* libretro_directory = getenv("LIBRETRO_DIRECTORY");
const char* libretro_assets_directory = getenv("LIBRETRO_ASSETS_DIRECTORY");
const char* libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
const char* libretro_database_directory = getenv("LIBRETRO_DATABASE_DIRECTORY");
const char* libretro_system_directory = getenv("LIBRETRO_SYSTEM_DIRECTORY");
const char* libretro_video_filter_directory = getenv("LIBRETRO_VIDEO_FILTER_DIRECTORY");
const char* libretro_video_shader_directory = getenv("LIBRETRO_VIDEO_SHADER_DIRECTORY");
@ -1889,6 +1890,11 @@ static void frontend_unix_get_env(int *argc,
"records_config", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_CONFIG]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT], base_path,
"records", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT]));
if (!string_is_empty(libretro_database_directory))
strlcpy(g_defaults.dirs[DEFAULT_DIR_DATABASE],
libretro_database_directory,
sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
else
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_DATABASE], base_path,
"database/rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
if (!string_is_empty(libretro_video_shader_directory))

6
frontend/drivers/platform_win32.c
View File

@ -568,6 +568,7 @@ static void frontend_win32_env_get(int *argc, char *argv[],
const char *libretro_directory = getenv("LIBRETRO_DIRECTORY");
const char *libretro_assets_directory = getenv("LIBRETRO_ASSETS_DIRECTORY");
const char* libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
const char* libretro_database_directory = getenv("LIBRETRO_DATABASE_DIRECTORY");
const char* libretro_system_directory = getenv("LIBRETRO_SYSTEM_DIRECTORY");
const char* libretro_video_filter_directory = getenv("LIBRETRO_VIDEO_FILTER_DIRECTORY");
const char* libretro_video_shader_directory = getenv("LIBRETRO_VIDEO_SHADER_DIRECTORY");
@ -595,6 +596,11 @@ static void frontend_win32_env_get(int *argc, char *argv[],
":\\filters\\video", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CHEATS],
":\\cheats", sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
if (!string_is_empty(libretro_database_directory))
strlcpy(g_defaults.dirs[DEFAULT_DIR_DATABASE],
libretro_database_directory,
sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
else
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_DATABASE],
":\\database\\rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_PLAYLIST],

20
retroarch.c
View File

@ -6519,7 +6519,27 @@ static void retroarch_print_help(const char *arg0)
"Path for the save state files (*.state). (DEPRECATED, use --appendconfig and savestate_directory)\n"
, sizeof(buf) - _len);
/* Flush buffer here to avoid the error "error: string length ‘752’
* is greater than the length ‘509’ ISO C90 compilers are required
* to support" */
fputs(buf, stdout);
#if defined(__linux__) || defined(__GNU__) || (defined(BSD) && !defined(__MACH__))
buf[0] = '\0';
_len = 0;
_len += strlcpy(buf + _len,
"\nThe following environment variables are supported:\n\n"
" LIBRETRO_ASSETS_DIRECTORY\n"
" LIBRETRO_AUTOCONFIG_DIRECTORY\n"
" LIBRETRO_DATABASE_DIRECTORY\n"
" LIBRETRO_DIRECTORY\n"
" LIBRETRO_SYSTEM_DIRECTORY\n"
" LIBRETRO_VIDEO_FILTER_DIRECTORY\n"
" LIBRETRO_VIDEO_SHADER_DIRECTORY\n\n"
"Refer to `man 6 retroarch' for a description of what they do.\n"
, sizeof(buf) - _len);
fputs(buf, stdout);
#endif
}
#ifdef HAVE_DYNAMIC