X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fnotmuch.h;h=260cc22d370088bf74ca3cee81d5b88dc19dbb4b;hp=cc713a3309af6d3a44d0e4bbeca315a8caa84bb0;hb=53f8cc565126db4a003dbfc02850d2bf3b260636;hpb=2ce25b93a72b4a8d6daa5321f9ef7df0772a789f

diff --git a/lib/notmuch.h b/lib/notmuch.h
index cc713a33..260cc22d 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -86,6 +86,7 @@ typedef int notmuch_bool_t;
 typedef enum _notmuch_status {
     NOTMUCH_STATUS_SUCCESS = 0,
     NOTMUCH_STATUS_OUT_OF_MEMORY,
+    NOTMUCH_STATUS_READONLY_DATABASE,
     NOTMUCH_STATUS_XAPIAN_EXCEPTION,
     NOTMUCH_STATUS_FILE_ERROR,
     NOTMUCH_STATUS_FILE_NOT_EMAIL,
@@ -136,6 +137,11 @@ typedef struct _notmuch_tags notmuch_tags_t;
 notmuch_database_t *
 notmuch_database_create (const char *path);
 
+typedef enum {
+    NOTMUCH_DATABASE_MODE_READ_ONLY = 0,
+    NOTMUCH_DATABASE_MODE_READ_WRITE
+} notmuch_database_mode_t;
+
 /* XXX: I think I'd like this to take an extra argument of
  * notmuch_status_t* for returning a status value on failure. */
 
@@ -143,7 +149,9 @@ notmuch_database_create (const char *path);
  *
  * The database should have been created at some time in the past,
  * (not necessarily by this process), by calling
- * notmuch_database_create with 'path'.
+ * notmuch_database_create with 'path'. By default the database should be
+ * opened for reading only. In order to write to the database you need to
+ * pass the NOTMUCH_DATABASE_MODE_WRITABLE mode.
  *
  * An existing notmuch database can be identified by the presence of a
  * directory named ".notmuch" below 'path'.
@@ -155,7 +163,8 @@ notmuch_database_create (const char *path);
  * an error message on stderr).
  */
 notmuch_database_t *
-notmuch_database_open (const char *path);
+notmuch_database_open (const char *path,
+		       notmuch_database_mode_t mode);
 
 /* Close the given notmuch database, freeing all associated
  * resources. See notmuch_database_open. */
@@ -459,6 +468,14 @@ notmuch_threads_advance (notmuch_threads_t *threads);
 void
 notmuch_threads_destroy (notmuch_threads_t *threads);
 
+/* Return an estimate of the number of messages matching a search
+ *
+ * This function performs a search and returns Xapian's best
+ * guess as to number of matching messages.
+ */
+unsigned
+notmuch_query_count_messages (notmuch_query_t *query);
+ 
 /* Get the thread ID of 'thread'.
  *
  * The returned string belongs to 'thread' and as such, should not be