Miscellaneous Utilities

These are portable utility functions.

Application Name and Environment

• g_get_application_name()
• g_set_application_name()
• g_get_prgname()
• g_set_prgname()
• g_get_environ()
• g_environ_getenv()
• g_environ_setenv()
• g_environ_unsetenv()
• g_getenv()
• g_setenv()
• g_unsetenv()
• g_listenv()
• g_get_user_name()
• g_get_real_name()

System Directories

• g_get_user_cache_dir()
• g_get_user_data_dir()
• g_get_user_config_dir()
• g_get_user_state_dir()
• g_get_user_runtime_dir()
• g_get_user_special_dir()
• g_get_system_data_dirs()
• g_get_system_config_dirs()
• g_reload_user_special_dirs_cache()

OS Info

Information about the current OS can be retrieved by calling g_get_os_info() and passing it one of the following keys (this list may grow in future):

• G_OS_INFO_KEY_NAME
• G_OS_INFO_KEY_PRETTY_NAME
• G_OS_INFO_KEY_VERSION
• G_OS_INFO_KEY_VERSION_CODENAME
• G_OS_INFO_KEY_VERSION_ID
• G_OS_INFO_KEY_ID
• G_OS_INFO_KEY_HOME_URL
• G_OS_INFO_KEY_DOCUMENTATION_URL
• G_OS_INFO_KEY_SUPPORT_URL
• G_OS_INFO_KEY_BUG_REPORT_URL
• G_OS_INFO_KEY_PRIVACY_POLICY_URL

Paths

• g_get_host_name()
• g_get_home_dir()
• g_get_tmp_dir()
• g_get_current_dir()
• g_canonicalize_filename()
• g_path_is_absolute()
• g_path_skip_root()
• g_path_get_basename()
• g_path_get_dirname()
• g_build_filename()
• g_build_filenamev()
• g_build_filename_valist()
• g_build_path()
• g_build_pathv()

Size Formatting

• g_format_size()
• g_format_size_full()
• g_format_size_for_display()

Executables

• g_find_program_in_path()

Bit Manipulation

• g_bit_nth_lsf()
• g_bit_nth_msf()
• g_bit_storage()

Primes

• g_spaced_primes_closest()

Process Lifetime

• g_abort()

Debug

• g_parse_debug_string()

Sorting

• g_qsort_with_data()

Pointers

• g_nullify_pointer()

Deprecated API

• GVoidFunc
• GFreeFunc
• g_atexit()