[PATCH 2/2] lib: modify notmuch.h for automatic document generation

Tomi Ollila tomi.ollila at iki.fi
Wed Jan 1 07:00:04 PST 2014


On Sat, Nov 30 2013, Jani Nikula <jani at nikula.org> wrote:

> Minimal changes to produce a sensible result.
> ---

Looks good but does not apply anymore (blame Austin)
Also the doxygen -s -g (+ edits) looks good ;D

Tomi


>  lib/notmuch.h | 436 +++++++++++++++++++++++++++++++++++++++-------------------
>  1 file changed, 296 insertions(+), 140 deletions(-)
>
> diff --git a/lib/notmuch.h b/lib/notmuch.h
> index 7c3a30c..708b603 100644
> --- a/lib/notmuch.h
> +++ b/lib/notmuch.h
> @@ -18,9 +18,19 @@
>   * Author: Carl Worth <cworth at cworth.org>
>   */
>  
> +/**
> + * @defgroup notmuch The notmuch API
> + *
> + * Not much of an email library, (just index and search)
> + *
> + * @{
> + */
> +
>  #ifndef NOTMUCH_H
>  #define NOTMUCH_H
>  
> +#ifndef __DOXYGEN__
> +
>  #ifdef  __cplusplus
>  # define NOTMUCH_BEGIN_DECLS  extern "C" {
>  # define NOTMUCH_END_DECLS    }
> @@ -45,18 +55,20 @@ NOTMUCH_BEGIN_DECLS
>  #define NOTMUCH_MINOR_VERSION	17
>  #define NOTMUCH_MICRO_VERSION	0
>  
> -/*
> +#endif /* __DOXYGEN__ */
> +
> +/**
>   * Check the version of the notmuch library being compiled against.
>   *
>   * Return true if the library being compiled against is of the
>   * specified version or above. For example:
>   *
> - * #if NOTMUCH_CHECK_VERSION(0, 18, 0)
> + * \#if NOTMUCH_CHECK_VERSION(0, 18, 0)
>   *     (code requiring notmuch 0.18 or above)
> - * #endif
> + * \#endif
>   *
>   * NOTMUCH_CHECK_VERSION has been defined since version 0.17.0; you
> - * can use #if !defined(NOTMUCH_CHECK_VERSION) to check for versions
> + * can use \#if !defined(NOTMUCH_CHECK_VERSION) to check for versions
>   * prior to that.
>   */
>  #define NOTMUCH_CHECK_VERSION (major, minor, micro)			\
> @@ -65,80 +77,97 @@ NOTMUCH_BEGIN_DECLS
>       (NOTMUCH_MAJOR_VERSION == (major) && NOTMUCH_MINOR_VERSION == (minor) && \
>        NOTMUCH_MICRO_VERSION >= (micro)))
>  
> +/**
> + * Notmuch boolean type.
> + */
>  typedef int notmuch_bool_t;
>  
> -/* Status codes used for the return values of most functions.
> +/**
> + * Status codes used for the return values of most functions.
>   *
>   * A zero value (NOTMUCH_STATUS_SUCCESS) indicates that the function
> - * completed without error. Any other value indicates an error as
> - * follows:
> - *
> - * NOTMUCH_STATUS_SUCCESS: No error occurred.
> - *
> - * NOTMUCH_STATUS_OUT_OF_MEMORY: Out of memory
> - *
> - * XXX: We don't really want to expose this lame XAPIAN_EXCEPTION
> - * value. Instead we should map to things like DATABASE_LOCKED or
> - * whatever.
> - *
> - * NOTMUCH_STATUS_READ_ONLY_DATABASE: An attempt was made to write to
> - *	a database opened in read-only mode.
> + * completed without error. Any other value indicates an error.
>   *
> - * NOTMUCH_STATUS_XAPIAN_EXCEPTION: A Xapian exception occurred
> - *
> - * NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to read or
> - *	write to a file (this could be file not found, permission
> - *	denied, etc.)
> - *
> - * NOTMUCH_STATUS_FILE_NOT_EMAIL: A file was presented that doesn't
> - *	appear to be an email message.
> - *
> - * NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID: A file contains a message ID
> - *	that is identical to a message already in the database.
> - *
> - * NOTMUCH_STATUS_NULL_POINTER: The user erroneously passed a NULL
> - *	pointer to a notmuch function.
> - *
> - * NOTMUCH_STATUS_TAG_TOO_LONG: A tag value is too long (exceeds
> - *	NOTMUCH_TAG_MAX)
> - *
> - * NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW: The notmuch_message_thaw
> - *	function has been called more times than notmuch_message_freeze.
> - *
> - * NOTMUCH_STATUS_UNBALANCED_ATOMIC: notmuch_database_end_atomic has
> - *	been called more times than notmuch_database_begin_atomic.
> - *
> - * And finally:
> - *
> - * NOTMUCH_STATUS_LAST_STATUS: Not an actual status value. Just a way
> - *	to find out how many valid status values there are.
>   */
>  typedef enum _notmuch_status {
> +    /**
> +     * No error occurred.
> +     */
>      NOTMUCH_STATUS_SUCCESS = 0,
> +    /**
> +     * Out of memory.
> +     */
>      NOTMUCH_STATUS_OUT_OF_MEMORY,
> +    /**
> +     * An attempt was made to write to a database opened in read-only
> +     * mode.
> +     */
>      NOTMUCH_STATUS_READ_ONLY_DATABASE,
> +    /**
> +     * A Xapian exception occurred.
> +     */
>      NOTMUCH_STATUS_XAPIAN_EXCEPTION,
> +    /**
> +     * An error occurred trying to read or write to a file (this could
> +     * be file not found, permission denied, etc.)
> +     *
> +     * @todo We don't really want to expose this lame XAPIAN_EXCEPTION
> +     * value. Instead we should map to things like DATABASE_LOCKED or
> +     * whatever.
> +     */
>      NOTMUCH_STATUS_FILE_ERROR,
> +    /**
> +     * A file was presented that doesn't appear to be an email
> +     * message.
> +     */
>      NOTMUCH_STATUS_FILE_NOT_EMAIL,
> +    /**
> +     * A file contains a message ID that is identical to a message
> +     * already in the database.
> +     */
>      NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID,
> +    /**
> +     * The user erroneously passed a NULL pointer to a notmuch
> +     * function.
> +     */
>      NOTMUCH_STATUS_NULL_POINTER,
> +    /**
> +     * A tag value is too long (exceeds NOTMUCH_TAG_MAX).
> +     */
>      NOTMUCH_STATUS_TAG_TOO_LONG,
> +    /**
> +     * The notmuch_message_thaw function has been called more times
> +     * than notmuch_message_freeze.
> +     */
>      NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW,
> +    /**
> +     * notmuch_database_end_atomic has been called more times than
> +     * notmuch_database_begin_atomic.
> +     */
>      NOTMUCH_STATUS_UNBALANCED_ATOMIC,
> +    /**
> +     * The operation is not supported.
> +     */
>      NOTMUCH_STATUS_UNSUPPORTED_OPERATION,
> -
> +    /**
> +     * Not an actual status value. Just a way to find out how many
> +     * valid status values there are.
> +     */
>      NOTMUCH_STATUS_LAST_STATUS
>  } notmuch_status_t;
>  
> -/* Get a string representation of a notmuch_status_t value.
> +/**
> + * Get a string representation of a notmuch_status_t value.
>   *
>   * The result is read-only.
>   */
>  const char *
>  notmuch_status_to_string (notmuch_status_t status);
>  
> +
>  /* Various opaque data types. For each notmuch_<foo>_t see the various
>   * notmuch_<foo> functions below. */
> +#ifndef __DOXYGEN__
>  typedef struct _notmuch_database notmuch_database_t;
>  typedef struct _notmuch_query notmuch_query_t;
>  typedef struct _notmuch_threads notmuch_threads_t;
> @@ -148,8 +177,10 @@ typedef struct _notmuch_message notmuch_message_t;
>  typedef struct _notmuch_tags notmuch_tags_t;
>  typedef struct _notmuch_directory notmuch_directory_t;
>  typedef struct _notmuch_filenames notmuch_filenames_t;
> +#endif /* __DOXYGEN__ */
>  
> -/* Create a new, empty notmuch database located at 'path'.
> +/**
> + * Create a new, empty notmuch database located at 'path'.
>   *
>   * The path should be a top-level directory to a collection of
>   * plain-text email messages (one message per file). This call will
> @@ -185,12 +216,22 @@ typedef struct _notmuch_filenames notmuch_filenames_t;
>  notmuch_status_t
>  notmuch_database_create (const char *path, notmuch_database_t **database);
>  
> +/**
> + * Database open mode for notmuch_database_open.
> + */
>  typedef enum {
> +    /**
> +     * Open database for reading only.
> +     */
>      NOTMUCH_DATABASE_MODE_READ_ONLY = 0,
> +    /**
> +     * Open database for reading and writing.
> +     */
>      NOTMUCH_DATABASE_MODE_READ_WRITE
>  } notmuch_database_mode_t;
>  
> -/* Open an existing notmuch database located at 'path'.
> +/**
> + * 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
> @@ -226,7 +267,8 @@ notmuch_database_open (const char *path,
>  		       notmuch_database_mode_t mode,
>  		       notmuch_database_t **database);
>  
> -/* Close the given notmuch database.
> +/**
> + * Close the given notmuch database.
>   *
>   * After notmuch_database_close has been called, calls to other
>   * functions on objects derived from this database may either behave
> @@ -240,12 +282,14 @@ notmuch_database_open (const char *path,
>  void
>  notmuch_database_close (notmuch_database_t *database);
>  
> -/* A callback invoked by notmuch_database_compact to notify the user
> +/**
> + * A callback invoked by notmuch_database_compact to notify the user
>   * of the progress of the compaction process.
>   */
>  typedef void (*notmuch_compact_status_cb_t)(const char *message, void *closure);
>  
> -/* Compact a notmuch database, backing up the original database to the
> +/**
> + * Compact a notmuch database, backing up the original database to the
>   * given path.
>   *
>   * The database will be opened with NOTMUCH_DATABASE_MODE_READ_WRITE
> @@ -261,33 +305,41 @@ notmuch_database_compact (const char* path,
>  			  notmuch_compact_status_cb_t status_cb,
>  			  void *closure);
>  
> -/* Destroy the notmuch database, closing it if necessary and freeing
> +/**
> + * Destroy the notmuch database, closing it if necessary and freeing
>   * all associated resources.
>   */
>  void
>  notmuch_database_destroy (notmuch_database_t *database);
>  
> -/* Return the database path of the given database.
> +/**
> + * Return the database path of the given database.
>   *
>   * The return value is a string owned by notmuch so should not be
> - * modified nor freed by the caller. */
> + * modified nor freed by the caller.
> + */
>  const char *
>  notmuch_database_get_path (notmuch_database_t *database);
>  
> -/* Return the database format version of the given database. */
> +/**
> + * Return the database format version of the given database.
> + */
>  unsigned int
>  notmuch_database_get_version (notmuch_database_t *database);
>  
> -/* Does this database need to be upgraded before writing to it?
> +/**
> + * Does this database need to be upgraded before writing to it?
>   *
>   * If this function returns TRUE then no functions that modify the
>   * database (notmuch_database_add_message, notmuch_message_add_tag,
>   * notmuch_directory_set_mtime, etc.) will work unless the function
> - * notmuch_database_upgrade is called successfully first. */
> + * notmuch_database_upgrade is called successfully first.
> + */
>  notmuch_bool_t
>  notmuch_database_needs_upgrade (notmuch_database_t *database);
>  
> -/* Upgrade the current database.
> +/**
> + * Upgrade the current database.
>   *
>   * After opening a database in read-write mode, the client should
>   * check if an upgrade is needed (notmuch_database_needs_upgrade) and
> @@ -306,7 +358,8 @@ notmuch_database_upgrade (notmuch_database_t *database,
>  						   double progress),
>  			  void *closure);
>  
> -/* Begin an atomic database operation.
> +/**
> + * Begin an atomic database operation.
>   *
>   * Any modifications performed between a successful begin and a
>   * notmuch_database_end_atomic will be applied to the database
> @@ -327,7 +380,8 @@ notmuch_database_upgrade (notmuch_database_t *database,
>  notmuch_status_t
>  notmuch_database_begin_atomic (notmuch_database_t *notmuch);
>  
> -/* Indicate the end of an atomic database operation.
> +/**
> + * Indicate the end of an atomic database operation.
>   *
>   * Return value:
>   *
> @@ -342,7 +396,8 @@ notmuch_database_begin_atomic (notmuch_database_t *notmuch);
>  notmuch_status_t
>  notmuch_database_end_atomic (notmuch_database_t *notmuch);
>  
> -/* Retrieve a directory object from the database for 'path'.
> +/**
> + * Retrieve a directory object from the database for 'path'.
>   *
>   * Here, 'path' should be a path relative to the path of 'database'
>   * (see notmuch_database_get_path), or else should be an absolute path
> @@ -365,7 +420,8 @@ notmuch_database_get_directory (notmuch_database_t *database,
>  				const char *path,
>  				notmuch_directory_t **directory);
>  
> -/* Add a new message to the given notmuch database or associate an
> +/**
> + * Add a new message to the given notmuch database or associate an
>   * additional filename with an existing message.
>   *
>   * Here, 'filename' should be a path relative to the path of
> @@ -416,7 +472,8 @@ notmuch_database_add_message (notmuch_database_t *database,
>  			      const char *filename,
>  			      notmuch_message_t **message);
>  
> -/* Remove a message filename from the given notmuch database. If the
> +/**
> + * Remove a message filename from the given notmuch database. If the
>   * message has no more filenames, remove the message.
>   *
>   * If the same message (as determined by the message ID) is still
> @@ -444,7 +501,8 @@ notmuch_status_t
>  notmuch_database_remove_message (notmuch_database_t *database,
>  				 const char *filename);
>  
> -/* Find a message with the given message_id.
> +/**
> + * Find a message with the given message_id.
>   *
>   * If a message with the given message_id is found then, on successful return
>   * (NOTMUCH_STATUS_SUCCESS) '*message' will be initialized to a message
> @@ -471,7 +529,8 @@ notmuch_database_find_message (notmuch_database_t *database,
>  			       const char *message_id,
>  			       notmuch_message_t **message);
>  
> -/* Find a message with the given filename.
> +/**
> + * Find a message with the given filename.
>   *
>   * If the database contains a message with the given filename then, on
>   * successful return (NOTMUCH_STATUS_SUCCESS) '*message' will be initialized to
> @@ -498,7 +557,8 @@ notmuch_database_find_message_by_filename (notmuch_database_t *notmuch,
>  					   const char *filename,
>  					   notmuch_message_t **message);
>  
> -/* Return a list of all tags found in the database.
> +/**
> + * Return a list of all tags found in the database.
>   *
>   * This function creates a list of all tags found in the database. The
>   * resulting list contains all tags from all messages found in the database.
> @@ -508,7 +568,8 @@ notmuch_database_find_message_by_filename (notmuch_database_t *notmuch,
>  notmuch_tags_t *
>  notmuch_database_get_all_tags (notmuch_database_t *db);
>  
> -/* Create a new query for 'database'.
> +/**
> + * Create a new query for 'database'.
>   *
>   * Here, 'database' should be an open database, (see
>   * notmuch_database_open and notmuch_database_create).
> @@ -536,19 +597,36 @@ notmuch_query_t *
>  notmuch_query_create (notmuch_database_t *database,
>  		      const char *query_string);
>  
> -/* Sort values for notmuch_query_set_sort */
> +/**
> + * Sort values for notmuch_query_set_sort.
> + */
>  typedef enum {
> +    /**
> +     * Oldest first.
> +     */
>      NOTMUCH_SORT_OLDEST_FIRST,
> +    /**
> +     * Newest first.
> +     */
>      NOTMUCH_SORT_NEWEST_FIRST,
> +    /**
> +     * Sort by message-id.
> +     */
>      NOTMUCH_SORT_MESSAGE_ID,
> +    /**
> +     * Do not sort.
> +     */
>      NOTMUCH_SORT_UNSORTED
>  } notmuch_sort_t;
>  
> -/* Return the query_string of this query. See notmuch_query_create. */
> +/**
> + * Return the query_string of this query. See notmuch_query_create.
> + */
>  const char *
>  notmuch_query_get_query_string (notmuch_query_t *query);
>  
> -/* Exclude values for notmuch_query_set_omit_excluded. The strange
> +/**
> + * Exclude values for notmuch_query_set_omit_excluded. The strange
>   * order is to maintain backward compatibility: the old FALSE/TRUE
>   * options correspond to the new
>   * NOTMUCH_EXCLUDE_FLAG/NOTMUCH_EXCLUDE_TRUE options.
> @@ -560,7 +638,8 @@ typedef enum {
>      NOTMUCH_EXCLUDE_ALL
>  } notmuch_exclude_t;
>  
> -/* Specify whether to omit excluded results or simply flag them.  By
> +/**
> + * Specify whether to omit excluded results or simply flag them.  By
>   * default, this is set to TRUE.
>   *
>   * If set to TRUE or ALL, notmuch_query_search_messages will omit excluded
> @@ -590,21 +669,29 @@ void
>  notmuch_query_set_omit_excluded (notmuch_query_t *query,
>  				 notmuch_exclude_t omit_excluded);
>  
> -/* Specify the sorting desired for this query. */
> +/**
> + * Specify the sorting desired for this query.
> + */
>  void
>  notmuch_query_set_sort (notmuch_query_t *query, notmuch_sort_t sort);
>  
> -/* Return the sort specified for this query. See notmuch_query_set_sort. */
> +/**
> + * Return the sort specified for this query. See
> + * notmuch_query_set_sort.
> + */
>  notmuch_sort_t
>  notmuch_query_get_sort (notmuch_query_t *query);
>  
> -/* Add a tag that will be excluded from the query results by default.
> +/**
> + * Add a tag that will be excluded from the query results by default.
>   * This exclusion will be overridden if this tag appears explicitly in
> - * the query. */
> + * the query.
> + */
>  void
>  notmuch_query_add_tag_exclude (notmuch_query_t *query, const char *tag);
>  
> -/* Execute a query for threads, returning a notmuch_threads_t object
> +/**
> + * Execute a query for threads, returning a notmuch_threads_t object
>   * which can be used to iterate over the results. The returned threads
>   * object is owned by the query and as such, will only be valid until
>   * notmuch_query_destroy.
> @@ -645,7 +732,8 @@ notmuch_query_add_tag_exclude (notmuch_query_t *query, const char *tag);
>  notmuch_threads_t *
>  notmuch_query_search_threads (notmuch_query_t *query);
>  
> -/* Execute a query for messages, returning a notmuch_messages_t object
> +/**
> + * Execute a query for messages, returning a notmuch_messages_t object
>   * which can be used to iterate over the results. The returned
>   * messages object is owned by the query and as such, will only be
>   * valid until notmuch_query_destroy.
> @@ -686,7 +774,8 @@ notmuch_query_search_threads (notmuch_query_t *query);
>  notmuch_messages_t *
>  notmuch_query_search_messages (notmuch_query_t *query);
>  
> -/* Destroy a notmuch_query_t along with any associated resources.
> +/**
> + * Destroy a notmuch_query_t along with any associated resources.
>   *
>   * This will in turn destroy any notmuch_threads_t and
>   * notmuch_messages_t objects generated by this query, (and in
> @@ -697,7 +786,8 @@ notmuch_query_search_messages (notmuch_query_t *query);
>  void
>  notmuch_query_destroy (notmuch_query_t *query);
>  
> -/* Is the given 'threads' iterator pointing at a valid thread.
> +/**
> + * Is the given 'threads' iterator pointing at a valid thread.
>   *
>   * When this function returns TRUE, notmuch_threads_get will return a
>   * valid object. Whereas when this function returns FALSE,
> @@ -709,7 +799,8 @@ notmuch_query_destroy (notmuch_query_t *query);
>  notmuch_bool_t
>  notmuch_threads_valid (notmuch_threads_t *threads);
>  
> -/* Get the current thread from 'threads' as a notmuch_thread_t.
> +/**
> + * Get the current thread from 'threads' as a notmuch_thread_t.
>   *
>   * Note: The returned thread belongs to 'threads' and has a lifetime
>   * identical to it (and the query to which it belongs).
> @@ -723,7 +814,8 @@ notmuch_threads_valid (notmuch_threads_t *threads);
>  notmuch_thread_t *
>  notmuch_threads_get (notmuch_threads_t *threads);
>  
> -/* Move the 'threads' iterator to the next thread.
> +/**
> + * Move the 'threads' iterator to the next thread.
>   *
>   * If 'threads' is already pointing at the last thread then the
>   * iterator will be moved to a point just beyond that last thread,
> @@ -736,7 +828,8 @@ notmuch_threads_get (notmuch_threads_t *threads);
>  void
>  notmuch_threads_move_to_next (notmuch_threads_t *threads);
>  
> -/* Destroy a notmuch_threads_t object.
> +/**
> + * Destroy a notmuch_threads_t object.
>   *
>   * It's not strictly necessary to call this function. All memory from
>   * the notmuch_threads_t object will be reclaimed when the
> @@ -745,7 +838,8 @@ notmuch_threads_move_to_next (notmuch_threads_t *threads);
>  void
>  notmuch_threads_destroy (notmuch_threads_t *threads);
>  
> -/* Return an estimate of the number of messages matching a search
> +/**
> + * 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.
> @@ -755,8 +849,9 @@ notmuch_threads_destroy (notmuch_threads_t *threads);
>   */
>  unsigned
>  notmuch_query_count_messages (notmuch_query_t *query);
> - 
> -/* Return the number of threads matching a search.
> +
> +/**
> + * Return the number of threads matching a search.
>   *
>   * This function performs a search and returns the number of unique thread IDs
>   * in the matching messages. This is the same as number of threads matching a
> @@ -770,7 +865,8 @@ notmuch_query_count_messages (notmuch_query_t *query);
>  unsigned
>  notmuch_query_count_threads (notmuch_query_t *query);
>  
> -/* Get the thread ID of 'thread'.
> +/**
> + * Get the thread ID of 'thread'.
>   *
>   * The returned string belongs to 'thread' and as such, should not be
>   * modified by the caller and will only be valid for as long as the
> @@ -780,7 +876,8 @@ notmuch_query_count_threads (notmuch_query_t *query);
>  const char *
>  notmuch_thread_get_thread_id (notmuch_thread_t *thread);
>  
> -/* Get the total number of messages in 'thread'.
> +/**
> + * Get the total number of messages in 'thread'.
>   *
>   * This count consists of all messages in the database belonging to
>   * this thread. Contrast with notmuch_thread_get_matched_messages() .
> @@ -788,7 +885,8 @@ notmuch_thread_get_thread_id (notmuch_thread_t *thread);
>  int
>  notmuch_thread_get_total_messages (notmuch_thread_t *thread);
>  
> -/* Get a notmuch_messages_t iterator for the top-level messages in
> +/**
> + * Get a notmuch_messages_t iterator for the top-level messages in
>   * 'thread' in oldest-first order.
>   *
>   * This iterator will not necessarily iterate over all of the messages
> @@ -800,7 +898,8 @@ notmuch_thread_get_total_messages (notmuch_thread_t *thread);
>  notmuch_messages_t *
>  notmuch_thread_get_toplevel_messages (notmuch_thread_t *thread);
>  
> -/* Get a notmuch_thread_t iterator for all messages in 'thread' in
> +/**
> + * Get a notmuch_thread_t iterator for all messages in 'thread' in
>   * oldest-first order.
>   *
>   * The returned list will be destroyed when the thread is destroyed.
> @@ -808,7 +907,8 @@ notmuch_thread_get_toplevel_messages (notmuch_thread_t *thread);
>  notmuch_messages_t *
>  notmuch_thread_get_messages (notmuch_thread_t *thread);
>  
> -/* Get the number of messages in 'thread' that matched the search.
> +/**
> + * Get the number of messages in 'thread' that matched the search.
>   *
>   * This count includes only the messages in this thread that were
>   * matched by the search from which the thread was created and were
> @@ -819,7 +919,8 @@ notmuch_thread_get_messages (notmuch_thread_t *thread);
>  int
>  notmuch_thread_get_matched_messages (notmuch_thread_t *thread);
>  
> -/* Get the authors of 'thread' as a UTF-8 string.
> +/**
> + * Get the authors of 'thread' as a UTF-8 string.
>   *
>   * The returned string is a comma-separated list of the names of the
>   * authors of mail messages in the query results that belong to this
> @@ -833,7 +934,8 @@ notmuch_thread_get_matched_messages (notmuch_thread_t *thread);
>  const char *
>  notmuch_thread_get_authors (notmuch_thread_t *thread);
>  
> -/* Get the subject of 'thread' as a UTF-8 string.
> +/**
> + * Get the subject of 'thread' as a UTF-8 string.
>   *
>   * The subject is taken from the first message (according to the query
>   * order---see notmuch_query_set_sort) in the query results that
> @@ -847,17 +949,20 @@ notmuch_thread_get_authors (notmuch_thread_t *thread);
>  const char *
>  notmuch_thread_get_subject (notmuch_thread_t *thread);
>  
> -/* Get the date of the oldest message in 'thread' as a time_t value.
> +/**
> + * Get the date of the oldest message in 'thread' as a time_t value.
>   */
>  time_t
>  notmuch_thread_get_oldest_date (notmuch_thread_t *thread);
>  
> -/* Get the date of the newest message in 'thread' as a time_t value.
> +/**
> + * Get the date of the newest message in 'thread' as a time_t value.
>   */
>  time_t
>  notmuch_thread_get_newest_date (notmuch_thread_t *thread);
>  
> -/* Get the tags for 'thread', returning a notmuch_tags_t object which
> +/**
> + * Get the tags for 'thread', returning a notmuch_tags_t object which
>   * can be used to iterate over all tags.
>   *
>   * Note: In the Notmuch database, tags are stored on individual
> @@ -896,11 +1001,14 @@ notmuch_thread_get_newest_date (notmuch_thread_t *thread);
>  notmuch_tags_t *
>  notmuch_thread_get_tags (notmuch_thread_t *thread);
>  
> -/* Destroy a notmuch_thread_t object. */
> +/**
> + * Destroy a notmuch_thread_t object.
> + */
>  void
>  notmuch_thread_destroy (notmuch_thread_t *thread);
>  
> -/* Is the given 'messages' iterator pointing at a valid message.
> +/**
> + * Is the given 'messages' iterator pointing at a valid message.
>   *
>   * When this function returns TRUE, notmuch_messages_get will return a
>   * valid object. Whereas when this function returns FALSE,
> @@ -912,7 +1020,8 @@ notmuch_thread_destroy (notmuch_thread_t *thread);
>  notmuch_bool_t
>  notmuch_messages_valid (notmuch_messages_t *messages);
>  
> -/* Get the current message from 'messages' as a notmuch_message_t.
> +/**
> + * Get the current message from 'messages' as a notmuch_message_t.
>   *
>   * Note: The returned message belongs to 'messages' and has a lifetime
>   * identical to it (and the query to which it belongs).
> @@ -926,7 +1035,8 @@ notmuch_messages_valid (notmuch_messages_t *messages);
>  notmuch_message_t *
>  notmuch_messages_get (notmuch_messages_t *messages);
>  
> -/* Move the 'messages' iterator to the next message.
> +/**
> + * Move the 'messages' iterator to the next message.
>   *
>   * If 'messages' is already pointing at the last message then the
>   * iterator will be moved to a point just beyond that last message,
> @@ -939,7 +1049,8 @@ notmuch_messages_get (notmuch_messages_t *messages);
>  void
>  notmuch_messages_move_to_next (notmuch_messages_t *messages);
>  
> -/* Destroy a notmuch_messages_t object.
> +/**
> + * 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 containing
> @@ -948,7 +1059,8 @@ notmuch_messages_move_to_next (notmuch_messages_t *messages);
>  void
>  notmuch_messages_destroy (notmuch_messages_t *messages);
>  
> -/* Return a list of tags from all messages.
> +/**
> + * Return a list of tags from all messages.
>   *
>   * The resulting list is guaranteed not to contain duplicated tags.
>   *
> @@ -963,7 +1075,8 @@ notmuch_messages_destroy (notmuch_messages_t *messages);
>  notmuch_tags_t *
>  notmuch_messages_collect_tags (notmuch_messages_t *messages);
>  
> -/* Get the message ID of 'message'.
> +/**
> + * Get the message ID of 'message'.
>   *
>   * The returned string belongs to 'message' and as such, should not be
>   * modified by the caller and will only be valid for as long as the
> @@ -977,7 +1090,8 @@ notmuch_messages_collect_tags (notmuch_messages_t *messages);
>  const char *
>  notmuch_message_get_message_id (notmuch_message_t *message);
>  
> -/* Get the thread ID of 'message'.
> +/**
> + * Get the thread ID of 'message'.
>   *
>   * The returned string belongs to 'message' and as such, should not be
>   * modified by the caller and will only be valid for as long as the
> @@ -991,7 +1105,8 @@ notmuch_message_get_message_id (notmuch_message_t *message);
>  const char *
>  notmuch_message_get_thread_id (notmuch_message_t *message);
>  
> -/* Get a notmuch_messages_t iterator for all of the replies to
> +/**
> + * Get a notmuch_messages_t iterator for all of the replies to
>   * 'message'.
>   *
>   * Note: This call only makes sense if 'message' was ultimately
> @@ -1011,7 +1126,8 @@ notmuch_message_get_thread_id (notmuch_message_t *message);
>  notmuch_messages_t *
>  notmuch_message_get_replies (notmuch_message_t *message);
>  
> -/* Get a filename for the email corresponding to 'message'.
> +/**
> + * Get a filename for the email corresponding to 'message'.
>   *
>   * The returned filename is an absolute filename, (the initial
>   * component will match notmuch_database_get_path() ).
> @@ -1029,7 +1145,8 @@ notmuch_message_get_replies (notmuch_message_t *message);
>  const char *
>  notmuch_message_get_filename (notmuch_message_t *message);
>  
> -/* Get all filenames for the email corresponding to 'message'.
> +/**
> + * Get all filenames for the email corresponding to 'message'.
>   *
>   * Returns a notmuch_filenames_t iterator listing all the filenames
>   * associated with 'message'. These files may not have identical
> @@ -1041,31 +1158,40 @@ notmuch_message_get_filename (notmuch_message_t *message);
>  notmuch_filenames_t *
>  notmuch_message_get_filenames (notmuch_message_t *message);
>  
> -/* Message flags */
> +/**
> + * Message flags.
> + */
>  typedef enum _notmuch_message_flag {
>      NOTMUCH_MESSAGE_FLAG_MATCH,
>      NOTMUCH_MESSAGE_FLAG_EXCLUDED
>  } notmuch_message_flag_t;
>  
> -/* Get a value of a flag for the email corresponding to 'message'. */
> +/**
> + * Get a value of a flag for the email corresponding to 'message'.
> + */
>  notmuch_bool_t
>  notmuch_message_get_flag (notmuch_message_t *message,
>  			  notmuch_message_flag_t flag);
>  
> -/* Set a value of a flag for the email corresponding to 'message'. */
> +/**
> + * Set a value of a flag for the email corresponding to 'message'.
> + */
>  void
>  notmuch_message_set_flag (notmuch_message_t *message,
>  			  notmuch_message_flag_t flag, notmuch_bool_t value);
>  
> -/* Get the date of 'message' as a time_t value.
> +/**
> + * Get the date of 'message' as a time_t value.
>   *
>   * For the original textual representation of the Date header from the
>   * message call notmuch_message_get_header() with a header value of
> - * "date". */
> + * "date".
> + */
>  time_t
>  notmuch_message_get_date  (notmuch_message_t *message);
>  
> -/* Get the value of the specified header from 'message' as a UTF-8 string.
> +/**
> + * Get the value of the specified header from 'message' as a UTF-8 string.
>   *
>   * Common headers are stored in the database when the message is
>   * indexed and will be returned from the database.  Other headers will
> @@ -1083,7 +1209,8 @@ notmuch_message_get_date  (notmuch_message_t *message);
>  const char *
>  notmuch_message_get_header (notmuch_message_t *message, const char *header);
>  
> -/* Get the tags for 'message', returning a notmuch_tags_t object which
> +/**
> + * Get the tags for 'message', returning a notmuch_tags_t object which
>   * can be used to iterate over all tags.
>   *
>   * The tags object is owned by the message and as such, will only be
> @@ -1116,10 +1243,13 @@ notmuch_message_get_header (notmuch_message_t *message, const char *header);
>  notmuch_tags_t *
>  notmuch_message_get_tags (notmuch_message_t *message);
>  
> -/* The longest possible tag value. */
> +/**
> + * The longest possible tag value.
> + */
>  #define NOTMUCH_TAG_MAX 200
>  
> -/* Add a tag to the given message.
> +/**
> + * Add a tag to the given message.
>   *
>   * Return value:
>   *
> @@ -1136,7 +1266,8 @@ notmuch_message_get_tags (notmuch_message_t *message);
>  notmuch_status_t
>  notmuch_message_add_tag (notmuch_message_t *message, const char *tag);
>  
> -/* Remove a tag from the given message.
> +/**
> + * Remove a tag from the given message.
>   *
>   * Return value:
>   *
> @@ -1153,7 +1284,8 @@ notmuch_message_add_tag (notmuch_message_t *message, const char *tag);
>  notmuch_status_t
>  notmuch_message_remove_tag (notmuch_message_t *message, const char *tag);
>  
> -/* Remove all tags from the given message.
> +/**
> + * Remove all tags from the given message.
>   *
>   * See notmuch_message_freeze for an example showing how to safely
>   * replace tag values.
> @@ -1164,7 +1296,8 @@ notmuch_message_remove_tag (notmuch_message_t *message, const char *tag);
>  notmuch_status_t
>  notmuch_message_remove_all_tags (notmuch_message_t *message);
>  
> -/* Add/remove tags according to maildir flags in the message filename(s)
> +/**
> + * Add/remove tags according to maildir flags in the message filename(s).
>   *
>   * This function examines the filenames of 'message' for maildir
>   * flags, and adds or removes tags on 'message' as follows when these
> @@ -1198,7 +1331,8 @@ notmuch_message_remove_all_tags (notmuch_message_t *message);
>  notmuch_status_t
>  notmuch_message_maildir_flags_to_tags (notmuch_message_t *message);
>  
> -/* Rename message filename(s) to encode tags as maildir flags
> +/**
> + * Rename message filename(s) to encode tags as maildir flags.
>   *
>   * Specifically, for each filename corresponding to this message:
>   *
> @@ -1234,7 +1368,8 @@ notmuch_message_maildir_flags_to_tags (notmuch_message_t *message);
>  notmuch_status_t
>  notmuch_message_tags_to_maildir_flags (notmuch_message_t *message);
>  
> -/* Freeze the current state of 'message' within the database.
> +/**
> + * Freeze the current state of 'message' within the database.
>   *
>   * This means that changes to the message state, (via
>   * notmuch_message_add_tag, notmuch_message_remove_tag, and
> @@ -1277,7 +1412,8 @@ notmuch_message_tags_to_maildir_flags (notmuch_message_t *message);
>  notmuch_status_t
>  notmuch_message_freeze (notmuch_message_t *message);
>  
> -/* Thaw the current 'message', synchronizing any changes that may have
> +/**
> + * Thaw the current 'message', synchronizing any changes that may have
>   * occurred while 'message' was frozen into the notmuch database.
>   *
>   * See notmuch_message_freeze for an example of how to use this
> @@ -1300,7 +1436,8 @@ notmuch_message_freeze (notmuch_message_t *message);
>  notmuch_status_t
>  notmuch_message_thaw (notmuch_message_t *message);
>  
> -/* Destroy a notmuch_message_t object.
> +/**
> + * Destroy a notmuch_message_t object.
>   *
>   * It can be useful to call this function in the case of a single
>   * query object with many messages in the result, (such as iterating
> @@ -1311,7 +1448,8 @@ notmuch_message_thaw (notmuch_message_t *message);
>  void
>  notmuch_message_destroy (notmuch_message_t *message);
>  
> -/* Is the given 'tags' iterator pointing at a valid tag.
> +/**
> + * Is the given 'tags' iterator pointing at a valid tag.
>   *
>   * When this function returns TRUE, notmuch_tags_get will return a
>   * valid string. Whereas when this function returns FALSE,
> @@ -1323,7 +1461,8 @@ notmuch_message_destroy (notmuch_message_t *message);
>  notmuch_bool_t
>  notmuch_tags_valid (notmuch_tags_t *tags);
>  
> -/* Get the current tag from 'tags' as a string.
> +/**
> + * 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 ultimately belongs).
> @@ -1334,7 +1473,8 @@ notmuch_tags_valid (notmuch_tags_t *tags);
>  const char *
>  notmuch_tags_get (notmuch_tags_t *tags);
>  
> -/* Move the 'tags' iterator to the next tag.
> +/**
> + * Move the 'tags' iterator to the next tag.
>   *
>   * If 'tags' is already pointing at the last tag then the iterator
>   * will be moved to a point just beyond that last tag, (where
> @@ -1347,7 +1487,8 @@ notmuch_tags_get (notmuch_tags_t *tags);
>  void
>  notmuch_tags_move_to_next (notmuch_tags_t *tags);
>  
> -/* Destroy a notmuch_tags_t object.
> +/**
> + * 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 containing
> @@ -1356,7 +1497,8 @@ notmuch_tags_move_to_next (notmuch_tags_t *tags);
>  void
>  notmuch_tags_destroy (notmuch_tags_t *tags);
>  
> -/* Store an mtime within the database for 'directory'.
> +/**
> + * Store an mtime within the database for 'directory'.
>   *
>   * The 'directory' should be an object retrieved from the database
>   * with notmuch_database_get_directory for a particular path.
> @@ -1396,35 +1538,44 @@ notmuch_status_t
>  notmuch_directory_set_mtime (notmuch_directory_t *directory,
>  			     time_t mtime);
>  
> -/* Get the mtime of a directory, (as previously stored with
> +/**
> + * Get the mtime of a directory, (as previously stored with
>   * notmuch_directory_set_mtime).
>   *
>   * Returns 0 if no mtime has previously been stored for this
> - * directory.*/
> + * directory.
> + */
>  time_t
>  notmuch_directory_get_mtime (notmuch_directory_t *directory);
>  
> -/* Get a notmuch_filenames_t iterator listing all the filenames of
> +/**
> + * Get a notmuch_filenames_t iterator listing all the filenames of
>   * messages in the database within the given directory.
>   *
>   * The returned filenames will be the basename-entries only (not
> - * complete paths). */
> + * complete paths).
> + */
>  notmuch_filenames_t *
>  notmuch_directory_get_child_files (notmuch_directory_t *directory);
>  
> -/* Get a notmuch_filenams_t iterator listing all the filenames of
> +/**
> + * Get a notmuch_filenams_t iterator listing all the filenames of
>   * sub-directories in the database within the given directory.
>   *
>   * The returned filenames will be the basename-entries only (not
> - * complete paths). */
> + * complete paths).
> + */
>  notmuch_filenames_t *
>  notmuch_directory_get_child_directories (notmuch_directory_t *directory);
>  
> -/* Destroy a notmuch_directory_t object. */
> +/**
> + * Destroy a notmuch_directory_t object.
> + */
>  void
>  notmuch_directory_destroy (notmuch_directory_t *directory);
>  
> -/* Is the given 'filenames' iterator pointing at a valid filename.
> +/**
> + * Is the given 'filenames' iterator pointing at a valid filename.
>   *
>   * When this function returns TRUE, notmuch_filenames_get will return
>   * a valid string. Whereas when this function returns FALSE,
> @@ -1436,7 +1587,8 @@ notmuch_directory_destroy (notmuch_directory_t *directory);
>  notmuch_bool_t
>  notmuch_filenames_valid (notmuch_filenames_t *filenames);
>  
> -/* Get the current filename from 'filenames' as a string.
> +/**
> + * Get the current filename from 'filenames' as a string.
>   *
>   * Note: The returned string belongs to 'filenames' and has a lifetime
>   * identical to it (and the directory to which it ultimately belongs).
> @@ -1447,7 +1599,8 @@ notmuch_filenames_valid (notmuch_filenames_t *filenames);
>  const char *
>  notmuch_filenames_get (notmuch_filenames_t *filenames);
>  
> -/* Move the 'filenames' iterator to the next filename.
> +/**
> + * Move the 'filenames' iterator to the next filename.
>   *
>   * If 'filenames' is already pointing at the last filename then the
>   * iterator will be moved to a point just beyond that last filename,
> @@ -1460,7 +1613,8 @@ notmuch_filenames_get (notmuch_filenames_t *filenames);
>  void
>  notmuch_filenames_move_to_next (notmuch_filenames_t *filenames);
>  
> -/* Destroy a notmuch_filenames_t object.
> +/**
> + * Destroy a notmuch_filenames_t object.
>   *
>   * It's not strictly necessary to call this function. All memory from
>   * the notmuch_filenames_t object will be reclaimed when the
> @@ -1472,6 +1626,8 @@ notmuch_filenames_move_to_next (notmuch_filenames_t *filenames);
>  void
>  notmuch_filenames_destroy (notmuch_filenames_t *filenames);
>  
> +/* @} */
> +
>  NOTMUCH_END_DECLS
>  
>  #endif
> -- 
> 1.8.4.2
>
> _______________________________________________
> notmuch mailing list
> notmuch at notmuchmail.org
> http://notmuchmail.org/mailman/listinfo/notmuch


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