Method

EDataBookBookCachecount_query

since: 3.50

Declaration [src]

gboolean
e_book_cache_count_query (
  EBookCache* book_cache,
  const gchar* sexp,
  guint* out_n_total,
  GCancellable* cancellable,
  GError** error
)

Description [src]

Counts how many contacts satisfy the sexp.

Available since: 3.50

Parameters

sexp

Type: const gchar*

Search expression; use NULL or an empty string to consider all stored contacts.

The argument can be NULL.
The data is owned by the caller of the method.
The value is a NUL terminated UTF-8 string.
out_n_total

Type: guint*

Return location to store the count of the contacts.

The argument will be set by the function.
cancellable

Type: GCancellable

A GCancellable.

The argument can be NULL.
The data is owned by the caller of the method.
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 a NULL GError*.
The argument will be left initialized to NULL by 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.

Return value

Type: gboolean

Whether succeeded.