[PATCH 2/6] lib/cli: Make notmuch_database_create return a status code
Austin Clements
amdragon at MIT.EDU
Sat Apr 28 15:17:49 PDT 2012
This is the notmuch_database_create equivalent of the previous change.
In this case, there were places where errors were not being propagated
correctly in notmuch_database_create or in calls to it. These have
been fixed, using the new status value.
---
lib/database.cc | 26 +++++++++++++++++++-------
lib/notmuch.h | 8 ++++----
notmuch-new.c | 3 ++-
3 files changed, 25 insertions(+), 12 deletions(-)
diff --git a/lib/database.cc b/lib/database.cc
index a29fe67..a3ae504 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -520,9 +520,10 @@ parse_references (void *ctx,
}
}
-notmuch_database_t *
-notmuch_database_create (const char *path)
+notmuch_status_t
+notmuch_database_create (const char *path, notmuch_database_t **database)
{
+ notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
notmuch_database_t *notmuch = NULL;
char *notmuch_path = NULL;
struct stat st;
@@ -530,6 +531,7 @@ notmuch_database_create (const char *path)
if (path == NULL) {
fprintf (stderr, "Error: Cannot create a database for a NULL path.\n");
+ status = NOTMUCH_STATUS_NULL_POINTER;
goto DONE;
}
@@ -537,12 +539,14 @@ notmuch_database_create (const char *path)
if (err) {
fprintf (stderr, "Error: Cannot create database at %s: %s.\n",
path, strerror (errno));
+ status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
if (! S_ISDIR (st.st_mode)) {
fprintf (stderr, "Error: Cannot create database at %s: Not a directory.\n",
path);
+ status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
@@ -553,19 +557,27 @@ notmuch_database_create (const char *path)
if (err) {
fprintf (stderr, "Error: Cannot create directory %s: %s.\n",
notmuch_path, strerror (errno));
+ status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
- notmuch_database_open (path,
- NOTMUCH_DATABASE_MODE_READ_WRITE,
- ¬much);
- notmuch_database_upgrade (notmuch, NULL, NULL);
+ status = notmuch_database_open (path,
+ NOTMUCH_DATABASE_MODE_READ_WRITE,
+ ¬much);
+ if (status)
+ goto DONE;
+ status = notmuch_database_upgrade (notmuch, NULL, NULL);
+ if (status) {
+ notmuch_database_close(notmuch);
+ notmuch = NULL;
+ }
DONE:
if (notmuch_path)
talloc_free (notmuch_path);
- return notmuch;
+ *database = notmuch;
+ return status;
}
notmuch_status_t
diff --git a/lib/notmuch.h b/lib/notmuch.h
index 8a011f2..d880aeb 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -140,11 +140,11 @@ typedef struct _notmuch_filenames notmuch_filenames_t;
* contained within 'path' can be added to the database by calling
* notmuch_database_add_message.
*
- * In case of any failure, this function returns NULL, (after printing
- * an error message on stderr).
+ * In case of any failure, this function returns an error status and
+ * sets *database to NULL (after printing an error message on stderr).
*/
-notmuch_database_t *
-notmuch_database_create (const char *path);
+notmuch_status_t
+notmuch_database_create (const char *path, notmuch_database_t **database);
typedef enum {
NOTMUCH_DATABASE_MODE_READ_ONLY = 0,
diff --git a/notmuch-new.c b/notmuch-new.c
index 7788743..cb720cc 100644
--- a/notmuch-new.c
+++ b/notmuch-new.c
@@ -900,7 +900,8 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
return 1;
printf ("Found %d total files (that's not much mail).\n", count);
- notmuch = notmuch_database_create (db_path);
+ if (notmuch_database_create (db_path, ¬much))
+ return 1;
add_files_state.total_files = count;
} else {
if (notmuch_database_open (db_path, NOTMUCH_DATABASE_MODE_READ_WRITE,
--
1.7.9.1
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