[PATCH 2/2] lib: add better diagnostics for over long filenames.

Subject: [PATCH 2/2] lib: add better diagnostics for over long filenames.

Date: Sun, 2 Oct 2022 14:51:03 -0300

To: notmuch@notmuchmail.org

Cc: jao@gnu.org

From: David Bremner


Previously we just crashed with an internal error. With this change,
the caller can handle it better, although the error code could be
further improved.
---
 lib/message.cc   | 15 +++++++++++----
 test/T050-new.sh |  1 -
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/lib/message.cc b/lib/message.cc
index 1c87f8c0..0e6ea809 100644
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -941,6 +941,7 @@ _notmuch_message_add_filename (notmuch_message_t *message,
 {
     const char *relative, *directory;
     notmuch_status_t status;
+    notmuch_private_status_t private_status;
     void *local = talloc_new (message);
     char *direntry;
 
@@ -964,10 +965,16 @@ _notmuch_message_add_filename (notmuch_message_t *message,
 
     /* New file-direntry allows navigating to this message with
      * notmuch_directory_get_child_files() . */
-    status = COERCE_STATUS (_notmuch_message_add_term (message, "file-direntry", direntry),
-			    "adding file-direntry term");
-    if (status)
-	return status;
+    private_status =_notmuch_message_add_term (message, "file-direntry", direntry);
+    switch (private_status) {
+    case NOTMUCH_PRIVATE_STATUS_SUCCESS:
+	break;
+    case NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG:
+	_notmuch_database_log(message->notmuch, "filename too long for file-direntry term: %s\n", filename);
+	return NOTMUCH_STATUS_FILE_ERROR;
+    default:
+	return COERCE_STATUS (private_status, "adding file-direntry term");
+    }
 
     status = _notmuch_message_add_folder_terms (message, directory);
     if (status)
diff --git a/test/T050-new.sh b/test/T050-new.sh
index 74890928..bf086609 100755
--- a/test/T050-new.sh
+++ b/test/T050-new.sh
@@ -384,7 +384,6 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "Long file names have reasonable diagnostics"
-test_subtest_known_broken
 printf -v name 'f%.0s' {1..234}
 generate_message "[filename]=$name"
 notmuch new 2>&1 | notmuch_dir_sanitize >OUTPUT
-- 
2.35.2

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