[PATCH 2/4] lib: save path of xapian database in notmuch struct.

Subject: [PATCH 2/4] lib: save path of xapian database in notmuch struct.

Date: Sat, 6 Feb 2021 20:19:05 -0400

To: David Bremner, notmuch@notmuchmail.org

Cc:

From: David Bremner


This will allow re-opening in a different mode (read/write
vs. read-only) with current Xapian API.
---
 lib/database-private.h |  4 ++++
 lib/open.cc            | 19 ++++++++++---------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/lib/database-private.h b/lib/database-private.h
index d83cf0d0..b9d83e58 100644
--- a/lib/database-private.h
+++ b/lib/database-private.h
@@ -189,8 +189,12 @@ operator& (notmuch_field_flag_t a, notmuch_field_flag_t b)
 struct _notmuch_database {
     bool exception_reported;
 
+    /* Path to database parent directory and or/mail root */
     char *path;
 
+    /* Path to actual database */
+    char *xapian_path;
+
     int atomic_nesting;
     /* true if changes have been made in this atomic section */
     bool atomic_dirty;
diff --git a/lib/open.cc b/lib/open.cc
index b4637ec5..2576424e 100644
--- a/lib/open.cc
+++ b/lib/open.cc
@@ -193,7 +193,7 @@ notmuch_database_open_with_config (const char *database_path,
     notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
     void *local = talloc_new (NULL);
     notmuch_database_t *notmuch = NULL;
-    char *notmuch_path, *xapian_path, *incompat_features;
+    char *notmuch_path, *incompat_features;
     char *message = NULL;
     struct stat st;
     int err;
@@ -218,12 +218,6 @@ notmuch_database_open_with_config (const char *database_path,
 	goto DONE;
     }
 
-    if (! (xapian_path = talloc_asprintf (local, "%s/%s", notmuch_path, "xapian"))) {
-	message = strdup ("Out of memory\n");
-	status = NOTMUCH_STATUS_OUT_OF_MEMORY;
-	goto DONE;
-    }
-
     /* Initialize the GLib type system and threads */
 #if ! GLIB_CHECK_VERSION (2, 35, 1)
     g_type_init ();
@@ -245,16 +239,23 @@ notmuch_database_open_with_config (const char *database_path,
     notmuch->writable_xapian_db = NULL;
     notmuch->atomic_nesting = 0;
     notmuch->view = 1;
+
+    if (! (notmuch->xapian_path = talloc_asprintf (notmuch, "%s/%s", notmuch_path, "xapian"))) {
+	message = strdup ("Out of memory\n");
+	status = NOTMUCH_STATUS_OUT_OF_MEMORY;
+	goto DONE;
+    }
+
     try {
 	std::string last_thread_id;
 	std::string last_mod;
 
 	if (mode == NOTMUCH_DATABASE_MODE_READ_WRITE) {
-	    notmuch->writable_xapian_db = new Xapian::WritableDatabase (xapian_path,
+	    notmuch->writable_xapian_db = new Xapian::WritableDatabase (notmuch->xapian_path,
 									DB_ACTION);
 	    notmuch->xapian_db = notmuch->writable_xapian_db;
 	} else {
-	    notmuch->xapian_db = new Xapian::Database (xapian_path);
+	    notmuch->xapian_db = new Xapian::Database (notmuch->xapian_path);
 	}
 
 	/* Check version.  As of database version 3, we represent
-- 
2.30.0
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