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lib: Move message ID compression to _notmuch_message_create_for_message_id

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Previously, this was performed by notmuch_database_add_message.  This
happens to be the only caller currently (which is why this was safe),
but we're about to introduce more callers, and it makes more sense to
put responsibility for ID compression in the lower-level function
rather than requiring each caller to handle it.
This commit is contained in:
Austin Clements 2014-10-06 17:17:07 -06:00 committed by David Bremner
parent 1c3b8fba22
commit 54ec8a0fd8
3 changed files with 11 additions and 12 deletions
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16
lib/database.cc
View file

@ -390,8 +390,8 @@ find_document_for_doc_id (notmuch_database_t *notmuch, unsigned doc_id)
*
* notmuch-sha1-<sha1_sum_of_message_id>
*/
static char *
_message_id_compressed (void *ctx, const char *message_id)
char *
_notmuch_message_id_compressed (void *ctx, const char *message_id)
{
char *sha1, *compressed;
@ -415,7 +415,7 @@ notmuch_database_find_message (notmuch_database_t *notmuch,
return NOTMUCH_STATUS_NULL_POINTER;
if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX)
message_id = _message_id_compressed (notmuch, message_id);
message_id = _notmuch_message_id_compressed (notmuch, message_id);
try {
status = _notmuch_database_find_unique_doc_id (notmuch, "id",
@ -1728,7 +1728,7 @@ static char *
_get_metadata_thread_id_key (void *ctx, const char *message_id)
{
if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX)
message_id = _message_id_compressed (ctx, message_id);
message_id = _notmuch_message_id_compressed (ctx, message_id);
return talloc_asprintf (ctx, NOTMUCH_METADATA_THREAD_ID_PREFIX "%s",
message_id);
@ -2100,14 +2100,6 @@ notmuch_database_add_message (notmuch_database_t *notmuch,
* better than no message-id at all. */
if (message_id == NULL)
message_id = talloc_strdup (message_file, header);
/* If a message ID is too long, substitute its sha1 instead. */
if (message_id && strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX) {
char *compressed = _message_id_compressed (message_file,
message_id);
talloc_free (message_id);
message_id = compressed;
}
}
if (message_id == NULL ) {

4
lib/message.cc
View file

@ -226,6 +226,10 @@ _notmuch_message_create_for_message_id (notmuch_database_t *notmuch,
else if (*status_ret)
return NULL;
/* If the message ID is too long, substitute its sha1 instead. */
if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX)
message_id = _notmuch_message_id_compressed (message, message_id);
term = talloc_asprintf (NULL, "%s%s",
_find_prefix ("id"), message_id);
if (term == NULL) {

3
lib/notmuch-private.h
View file

@ -174,6 +174,9 @@ typedef struct _notmuch_doc_id_set notmuch_doc_id_set_t;
const char *
_find_prefix (const char *name);
char *
_notmuch_message_id_compressed (void *ctx, const char *message_id);
notmuch_status_t
_notmuch_database_ensure_writable (notmuch_database_t *notmuch);