Method

GLibKeyFileget_double

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 const gchar*
 

A group name.

 The data is owned by the caller of the function.
 The string is a NUL terminated UTF-8 string.
key const gchar*
 

A key.

 The data is owned by the caller of the function.
 The string is a NUL terminated UTF-8 string.
error GError **
  The return location for a GError*, or NULL.

Return value

Returns: double
 

The value associated with the key as a double, or 0.0 if the key was not found or could not be parsed.