Permit opening the notmuch database in read-only mode.

[notmuch] / lib / notmuch.h

diff --git a/lib/notmuch.h b/lib/notmuch.h
index f135fd3f2c1a8ab75814fafca2eeeab9db2dfd0e..89ed7ad88b7eb91ead3d6cefe518f29b410cdfd2 100644 (file)
--- 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,
@@ -139,11 +140,18 @@ notmuch_database_create (const char *path);
 /* XXX: I think I'd like this to take an extra argument of
  * notmuch_status_t* for returning a status value on failure. */
 
+typedef enum {
+    NOTMUCH_DATABASE_MODE_READONLY = 0,
+    NOTMUCH_DATABASE_MODE_WRITABLE
+} notmuch_database_mode_t;
+
 /* Open an existing notmuch database located at '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. */
@@ -222,7 +231,7 @@ notmuch_database_get_timestamp (notmuch_database_t *database,
 
 /* Add a new message to the given notmuch database.
  *
- * Here,'filename' should be a path relative to the the path of
+ * Here,'filename' should be a path relative to the path of
  * 'database' (see notmuch_database_get_path), or else should be an
  * absolute filename with initial components that match the path of
  * 'database'.
@@ -258,7 +267,7 @@ notmuch_database_add_message (notmuch_database_t *database,
                              const char *filename,
                              notmuch_message_t **message);
 
-/* Find a message with the given messsage_id.
+/* Find a message with the given message_id.
  *
  * If the database contains a message with the given message_id, then
  * a new notmuch_message_t object is returned. The caller should call
@@ -620,7 +629,7 @@ notmuch_messages_advance (notmuch_messages_t *messages);
 /* Destroy a notmuch_messages_t object.
  *
  * It's not strictly necessary to call this function. All memory from
- * the notmuch_messages_t object will be reclaimed when the containg
+ * the notmuch_messages_t object will be reclaimed when the containing
  * query object is destroyed.
  */
 void
@@ -865,7 +874,7 @@ notmuch_tags_has_more (notmuch_tags_t *tags);
 /* Get the current tag from 'tags' as a string.
  *
  * Note: The returned string belongs to 'tags' and has a lifetime
- * identical to it (and the query to which it utlimately belongs).
+ * identical to it (and the query to which it ultimately belongs).
  *
  * See the documentation of notmuch_message_get_tags for example code
  * showing how to iterate over a notmuch_tags_t object.
@@ -884,7 +893,7 @@ notmuch_tags_advance (notmuch_tags_t *tags);
 /* Destroy a notmuch_tags_t object.
  *
  * It's not strictly necessary to call this function. All memory from
- * the notmuch_tags_t object will be reclaimed when the containg
+ * the notmuch_tags_t object will be reclaimed when the containing
  * message or query objects are destroyed.
  */
 void