mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-23 03:18:08 +01:00
1dedfc90f6
We keep the lib/xutil.c version. As a consequence, also factor out _internal_error and associated macros. It might be overkill to make a new file error_util.c for this, but _internal_error does not really belong in database.cc.
495 lines
14 KiB
C
495 lines
14 KiB
C
/* notmuch-private.h - Internal interfaces for notmuch.
|
|
*
|
|
* Copyright © 2009 Carl Worth
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see http://www.gnu.org/licenses/ .
|
|
*
|
|
* Author: Carl Worth <cworth@cworth.org>
|
|
*/
|
|
|
|
#ifndef NOTMUCH_PRIVATE_H
|
|
#define NOTMUCH_PRIVATE_H
|
|
|
|
#ifndef _GNU_SOURCE
|
|
#define _GNU_SOURCE /* For getline and asprintf */
|
|
#endif
|
|
#include <stdio.h>
|
|
|
|
#include "compat.h"
|
|
|
|
#include "notmuch.h"
|
|
|
|
NOTMUCH_BEGIN_DECLS
|
|
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/mman.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <ctype.h>
|
|
#include <assert.h>
|
|
|
|
#include <talloc.h>
|
|
|
|
#include "xutil.h"
|
|
#include "error_util.h"
|
|
|
|
#pragma GCC visibility push(hidden)
|
|
|
|
#ifdef DEBUG
|
|
# define DEBUG_DATABASE_SANITY 1
|
|
# define DEBUG_QUERY 1
|
|
#endif
|
|
|
|
#define COMPILE_TIME_ASSERT(pred) ((void)sizeof(char[1 - 2*!(pred)]))
|
|
|
|
#define STRNCMP_LITERAL(var, literal) \
|
|
strncmp ((var), (literal), sizeof (literal) - 1)
|
|
|
|
#define unused(x) x __attribute__ ((unused))
|
|
|
|
#ifdef __cplusplus
|
|
# define visible __attribute__((visibility("default")))
|
|
#else
|
|
# define visible
|
|
#endif
|
|
|
|
/* Thanks to Andrew Tridgell's (SAMBA's) talloc for this definition of
|
|
* unlikely. The talloc source code comes to us via the GNU LGPL v. 3.
|
|
*/
|
|
/* these macros gain us a few percent of speed on gcc */
|
|
#if (__GNUC__ >= 3)
|
|
/* the strange !! is to ensure that __builtin_expect() takes either 0 or 1
|
|
as its first argument */
|
|
#ifndef likely
|
|
#define likely(x) __builtin_expect(!!(x), 1)
|
|
#endif
|
|
#ifndef unlikely
|
|
#define unlikely(x) __builtin_expect(!!(x), 0)
|
|
#endif
|
|
#else
|
|
#ifndef likely
|
|
#define likely(x) (x)
|
|
#endif
|
|
#ifndef unlikely
|
|
#define unlikely(x) (x)
|
|
#endif
|
|
#endif
|
|
|
|
typedef enum {
|
|
NOTMUCH_VALUE_TIMESTAMP = 0,
|
|
NOTMUCH_VALUE_MESSAGE_ID
|
|
} notmuch_value_t;
|
|
|
|
/* Xapian (with flint backend) complains if we provide a term longer
|
|
* than this, but I haven't yet found a way to query the limit
|
|
* programmatically. */
|
|
#define NOTMUCH_TERM_MAX 245
|
|
|
|
#define NOTMUCH_METADATA_THREAD_ID_PREFIX "thread_id_"
|
|
|
|
/* For message IDs we have to be even more restrictive. Beyond fitting
|
|
* into the term limit, we also use message IDs to construct
|
|
* metadata-key values. And the documentation says that these should
|
|
* be restricted to about 200 characters. (The actual limit for the
|
|
* chert backend at least is 252.)
|
|
*/
|
|
#define NOTMUCH_MESSAGE_ID_MAX (200 - sizeof (NOTMUCH_METADATA_THREAD_ID_PREFIX))
|
|
|
|
typedef enum _notmuch_private_status {
|
|
/* First, copy all the public status values. */
|
|
NOTMUCH_PRIVATE_STATUS_SUCCESS = NOTMUCH_STATUS_SUCCESS,
|
|
NOTMUCH_PRIVATE_STATUS_OUT_OF_MEMORY = NOTMUCH_STATUS_OUT_OF_MEMORY,
|
|
NOTMUCH_PRIVATE_STATUS_READ_ONLY_DATABASE = NOTMUCH_STATUS_READ_ONLY_DATABASE,
|
|
NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION = NOTMUCH_STATUS_XAPIAN_EXCEPTION,
|
|
NOTMUCH_PRIVATE_STATUS_FILE_NOT_EMAIL = NOTMUCH_STATUS_FILE_NOT_EMAIL,
|
|
NOTMUCH_PRIVATE_STATUS_NULL_POINTER = NOTMUCH_STATUS_NULL_POINTER,
|
|
NOTMUCH_PRIVATE_STATUS_TAG_TOO_LONG = NOTMUCH_STATUS_TAG_TOO_LONG,
|
|
NOTMUCH_PRIVATE_STATUS_UNBALANCED_FREEZE_THAW = NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW,
|
|
|
|
/* Then add our own private values. */
|
|
NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG = NOTMUCH_STATUS_LAST_STATUS,
|
|
NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND,
|
|
|
|
NOTMUCH_PRIVATE_STATUS_LAST_STATUS
|
|
} notmuch_private_status_t;
|
|
|
|
/* Coerce a notmuch_private_status_t value to a notmuch_status_t
|
|
* value, generating an internal error if the private value is equal
|
|
* to or greater than NOTMUCH_STATUS_LAST_STATUS. (The idea here is
|
|
* that the caller has previously handled any expected
|
|
* notmuch_private_status_t values.)
|
|
*/
|
|
#define COERCE_STATUS(private_status, format, ...) \
|
|
((private_status >= (notmuch_private_status_t) NOTMUCH_STATUS_LAST_STATUS)\
|
|
? \
|
|
(notmuch_status_t) _internal_error (format " (%s).\n", \
|
|
##__VA_ARGS__, \
|
|
__location__) \
|
|
: \
|
|
(notmuch_status_t) private_status)
|
|
|
|
typedef struct _notmuch_doc_id_set notmuch_doc_id_set_t;
|
|
|
|
/* database.cc */
|
|
|
|
/* Lookup a prefix value by name.
|
|
*
|
|
* XXX: This should really be static inside of message.cc, and we can
|
|
* do that once we convert database.cc to use the
|
|
* _notmuch_message_add/remove_term functions. */
|
|
const char *
|
|
_find_prefix (const char *name);
|
|
|
|
notmuch_status_t
|
|
_notmuch_database_ensure_writable (notmuch_database_t *notmuch);
|
|
|
|
const char *
|
|
_notmuch_database_relative_path (notmuch_database_t *notmuch,
|
|
const char *path);
|
|
|
|
notmuch_status_t
|
|
_notmuch_database_split_path (void *ctx,
|
|
const char *path,
|
|
const char **directory,
|
|
const char **basename);
|
|
|
|
const char *
|
|
_notmuch_database_get_directory_db_path (const char *path);
|
|
|
|
unsigned int
|
|
_notmuch_database_generate_doc_id (notmuch_database_t *notmuch);
|
|
|
|
notmuch_private_status_t
|
|
_notmuch_database_find_unique_doc_id (notmuch_database_t *notmuch,
|
|
const char *prefix_name,
|
|
const char *value,
|
|
unsigned int *doc_id);
|
|
|
|
notmuch_status_t
|
|
_notmuch_database_find_directory_id (notmuch_database_t *database,
|
|
const char *path,
|
|
unsigned int *directory_id);
|
|
|
|
const char *
|
|
_notmuch_database_get_directory_path (void *ctx,
|
|
notmuch_database_t *notmuch,
|
|
unsigned int doc_id);
|
|
|
|
notmuch_status_t
|
|
_notmuch_database_filename_to_direntry (void *ctx,
|
|
notmuch_database_t *notmuch,
|
|
const char *filename,
|
|
char **direntry);
|
|
|
|
/* directory.cc */
|
|
|
|
notmuch_directory_t *
|
|
_notmuch_directory_create (notmuch_database_t *notmuch,
|
|
const char *path,
|
|
notmuch_status_t *status_ret);
|
|
|
|
unsigned int
|
|
_notmuch_directory_get_document_id (notmuch_directory_t *directory);
|
|
|
|
/* thread.cc */
|
|
|
|
notmuch_thread_t *
|
|
_notmuch_thread_create (void *ctx,
|
|
notmuch_database_t *notmuch,
|
|
unsigned int seed_doc_id,
|
|
notmuch_doc_id_set_t *match_set,
|
|
notmuch_sort_t sort);
|
|
|
|
/* message.cc */
|
|
|
|
notmuch_message_t *
|
|
_notmuch_message_create (const void *talloc_owner,
|
|
notmuch_database_t *notmuch,
|
|
unsigned int doc_id,
|
|
notmuch_private_status_t *status);
|
|
|
|
notmuch_message_t *
|
|
_notmuch_message_create_for_message_id (notmuch_database_t *notmuch,
|
|
const char *message_id,
|
|
notmuch_private_status_t *status);
|
|
|
|
unsigned int
|
|
_notmuch_message_get_doc_id (notmuch_message_t *message);
|
|
|
|
const char *
|
|
_notmuch_message_get_in_reply_to (notmuch_message_t *message);
|
|
|
|
notmuch_private_status_t
|
|
_notmuch_message_add_term (notmuch_message_t *message,
|
|
const char *prefix_name,
|
|
const char *value);
|
|
|
|
notmuch_private_status_t
|
|
_notmuch_message_remove_term (notmuch_message_t *message,
|
|
const char *prefix_name,
|
|
const char *value);
|
|
|
|
notmuch_private_status_t
|
|
_notmuch_message_gen_terms (notmuch_message_t *message,
|
|
const char *prefix_name,
|
|
const char *text);
|
|
|
|
void
|
|
_notmuch_message_upgrade_filename_storage (notmuch_message_t *message);
|
|
|
|
notmuch_status_t
|
|
_notmuch_message_add_filename (notmuch_message_t *message,
|
|
const char *filename);
|
|
|
|
notmuch_status_t
|
|
_notmuch_message_remove_filename (notmuch_message_t *message,
|
|
const char *filename);
|
|
|
|
notmuch_status_t
|
|
_notmuch_message_rename (notmuch_message_t *message,
|
|
const char *new_filename);
|
|
|
|
void
|
|
_notmuch_message_ensure_thread_id (notmuch_message_t *message);
|
|
|
|
void
|
|
_notmuch_message_set_date (notmuch_message_t *message,
|
|
const char *date);
|
|
|
|
void
|
|
_notmuch_message_sync (notmuch_message_t *message);
|
|
|
|
notmuch_status_t
|
|
_notmuch_message_delete (notmuch_message_t *message);
|
|
|
|
void
|
|
_notmuch_message_close (notmuch_message_t *message);
|
|
|
|
/* Get a copy of the data in this message document.
|
|
*
|
|
* Caller should talloc_free the result when done.
|
|
*
|
|
* This function is intended to support database upgrade and really
|
|
* shouldn't be used otherwise. */
|
|
char *
|
|
_notmuch_message_talloc_copy_data (notmuch_message_t *message);
|
|
|
|
/* Clear the data in this message document.
|
|
*
|
|
* This function is intended to support database upgrade and really
|
|
* shouldn't be used otherwise. */
|
|
void
|
|
_notmuch_message_clear_data (notmuch_message_t *message);
|
|
|
|
/* Set the author member of 'message' - this is the representation used
|
|
* when displaying the message */
|
|
void
|
|
notmuch_message_set_author (notmuch_message_t *message, const char *author);
|
|
|
|
/* Get the author member of 'message' */
|
|
const char *
|
|
notmuch_message_get_author (notmuch_message_t *message);
|
|
|
|
|
|
/* index.cc */
|
|
|
|
notmuch_status_t
|
|
_notmuch_message_index_file (notmuch_message_t *message,
|
|
const char *filename);
|
|
|
|
/* message-file.c */
|
|
|
|
/* XXX: I haven't decided yet whether these will actually get exported
|
|
* into the public interface in notmuch.h
|
|
*/
|
|
|
|
typedef struct _notmuch_message_file notmuch_message_file_t;
|
|
|
|
/* Open a file containing a single email message.
|
|
*
|
|
* The caller should call notmuch_message_close when done with this.
|
|
*
|
|
* Returns NULL if any error occurs.
|
|
*/
|
|
notmuch_message_file_t *
|
|
notmuch_message_file_open (const char *filename);
|
|
|
|
/* Like notmuch_message_file_open but with 'ctx' as the talloc owner. */
|
|
notmuch_message_file_t *
|
|
_notmuch_message_file_open_ctx (void *ctx, const char *filename);
|
|
|
|
/* Close a notmuch message previously opened with notmuch_message_open. */
|
|
void
|
|
notmuch_message_file_close (notmuch_message_file_t *message);
|
|
|
|
/* Restrict 'message' to only save the named headers.
|
|
*
|
|
* When the caller is only interested in a short list of headers,
|
|
* known in advance, calling this function can avoid wasted time and
|
|
* memory parsing/saving header values that will never be needed.
|
|
*
|
|
* The variable arguments should be a list of const char * with a
|
|
* final '(const char *) NULL' to terminate the list.
|
|
*
|
|
* If this function is called, it must be called before any calls to
|
|
* notmuch_message_get_header for this message.
|
|
*
|
|
* After calling this function, if notmuch_message_get_header is
|
|
* called with a header name not in this list, then NULL will be
|
|
* returned even if that header exists in the actual message.
|
|
*/
|
|
void
|
|
notmuch_message_file_restrict_headers (notmuch_message_file_t *message, ...);
|
|
|
|
/* Identical to notmuch_message_restrict_headers but accepting a va_list. */
|
|
void
|
|
notmuch_message_file_restrict_headersv (notmuch_message_file_t *message,
|
|
va_list va_headers);
|
|
|
|
/* Get the value of the specified header from the message.
|
|
*
|
|
* The header name is case insensitive.
|
|
*
|
|
* The Received: header is special - for it all Received: headers in
|
|
* the message are concatenated
|
|
*
|
|
* The returned value is owned by the notmuch message and is valid
|
|
* only until the message is closed. The caller should copy it if
|
|
* needing to modify the value or to hold onto it for longer.
|
|
*
|
|
* Returns NULL if the message does not contain a header line matching
|
|
* 'header'.
|
|
*/
|
|
const char *
|
|
notmuch_message_file_get_header (notmuch_message_file_t *message,
|
|
const char *header);
|
|
|
|
/* messages.c */
|
|
|
|
typedef struct _notmuch_message_node {
|
|
notmuch_message_t *message;
|
|
struct _notmuch_message_node *next;
|
|
} notmuch_message_node_t;
|
|
|
|
typedef struct _notmuch_message_list {
|
|
notmuch_message_node_t *head;
|
|
notmuch_message_node_t **tail;
|
|
} notmuch_message_list_t;
|
|
|
|
/* There's a rumor that there's an alternate struct _notmuch_messages
|
|
* somewhere with some nasty C++ objects in it. We'll try to maintain
|
|
* ignorance of that here. (See notmuch_mset_messages_t in query.cc)
|
|
*/
|
|
struct visible _notmuch_messages {
|
|
notmuch_bool_t is_of_list_type;
|
|
notmuch_message_node_t *iterator;
|
|
};
|
|
|
|
notmuch_message_list_t *
|
|
_notmuch_message_list_create (const void *ctx);
|
|
|
|
void
|
|
_notmuch_message_list_append (notmuch_message_list_t *list,
|
|
notmuch_message_node_t *node);
|
|
|
|
void
|
|
_notmuch_message_list_add_message (notmuch_message_list_t *list,
|
|
notmuch_message_t *message);
|
|
|
|
notmuch_messages_t *
|
|
_notmuch_messages_create (notmuch_message_list_t *list);
|
|
|
|
/* query.cc */
|
|
|
|
notmuch_bool_t
|
|
_notmuch_mset_messages_valid (notmuch_messages_t *messages);
|
|
|
|
notmuch_message_t *
|
|
_notmuch_mset_messages_get (notmuch_messages_t *messages);
|
|
|
|
void
|
|
_notmuch_mset_messages_move_to_next (notmuch_messages_t *messages);
|
|
|
|
notmuch_bool_t
|
|
_notmuch_doc_id_set_contains (notmuch_doc_id_set_t *doc_ids,
|
|
unsigned int doc_id);
|
|
|
|
void
|
|
_notmuch_doc_id_set_remove (notmuch_doc_id_set_t *doc_ids,
|
|
unsigned int doc_id);
|
|
|
|
/* message.cc */
|
|
|
|
void
|
|
_notmuch_message_add_reply (notmuch_message_t *message,
|
|
notmuch_message_node_t *reply);
|
|
|
|
/* sha1.c */
|
|
|
|
char *
|
|
notmuch_sha1_of_string (const char *str);
|
|
|
|
char *
|
|
notmuch_sha1_of_file (const char *filename);
|
|
|
|
/* string-list.c */
|
|
|
|
typedef struct _notmuch_string_node {
|
|
char *string;
|
|
struct _notmuch_string_node *next;
|
|
} notmuch_string_node_t;
|
|
|
|
typedef struct _notmuch_string_list {
|
|
int length;
|
|
notmuch_string_node_t *head;
|
|
notmuch_string_node_t **tail;
|
|
} notmuch_string_list_t;
|
|
|
|
notmuch_string_list_t *
|
|
_notmuch_string_list_create (const void *ctx);
|
|
|
|
/* Add 'string' to 'list'.
|
|
*
|
|
* The list will create its own talloced copy of 'string'.
|
|
*/
|
|
void
|
|
_notmuch_string_list_append (notmuch_string_list_t *list,
|
|
const char *string);
|
|
|
|
void
|
|
_notmuch_string_list_sort (notmuch_string_list_t *list);
|
|
|
|
/* tags.c */
|
|
|
|
notmuch_tags_t *
|
|
_notmuch_tags_create (const void *ctx, notmuch_string_list_t *list);
|
|
|
|
/* filenames.c */
|
|
|
|
/* The notmuch_filenames_t iterates over a notmuch_string_list_t of
|
|
* file names */
|
|
notmuch_filenames_t *
|
|
_notmuch_filenames_create (const void *ctx,
|
|
notmuch_string_list_t *list);
|
|
|
|
#pragma GCC visibility pop
|
|
|
|
NOTMUCH_END_DECLS
|
|
|
|
#endif
|