Method
GLibKeyFileget_double
since: 2.12
Declaration
gdouble
g_key_file_get_double (
GKeyFile* key_file,
const gchar* group_name,
const gchar* key,
GError** error
)
Description
Returns the value associated with key under group_name as a
double. If group_name is NULL, the start_group is used.
If key cannot be found then 0.0 is returned and error is set to
G_KEY_FILE_ERROR_KEY_NOT_FOUND. Likewise, if the value associated
with key cannot be interpreted as a double then 0.0 is returned
and error is set to G_KEY_FILE_ERROR_INVALID_VALUE.
Available since: 2.12
Parameters
group_name-
Type:
const gchar*A group name.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. key-
Type:
const gchar*A key.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. 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 left initialized to NULLby the method 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.