Function
GLibOptionArgFunc
since: 2.0
Declaration
gboolean
(* GOptionArgFunc) (
const gchar* option_name,
const gchar* value,
gpointer data,
GError** error
)
Description
The type of function to be passed as callback for G_OPTION_ARG_CALLBACK
options.
Available since: 2.0
Parameters
option_name-
Type:
const gchar*The name of the option being parsed. This will be either a single dash followed by a single letter (for a short name) or two dashes followed by a long option name.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. value-
Type:
const gchar*The value to be parsed.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. data-
Type:
gpointerUser data added to the
GOptionGroupcontaining the option when it was created withg_option_group_new()The argument can be NULL.The data is owned by the caller of the function. error-
Type:
GError **The return location for a recoverable error.
The argument can be NULL.If the return location is not NULL, then you must initialize it to aNULLGError*.The argument will be left initialized to NULLby the function if there are no errors.In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.