[notmuch] [PATCH] notmuch-new: Check for non-fatal errors from stat()

Chris Wilson chris at chris-wilson.co.uk
Fri Nov 27 05:50:11 PST 2009


Currently we assume that all errors on stat() a dname is fatal (but
continue anyway and report the error at the end). However, some errors
reported by stat() such as a missing file or insufficient privilege,
we can simply ignore and skip the file. For the others, such as a fault
(unlikely!) or out-of-memory, we handle like the other fatal errors by
jumping to the end.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 notmuch-new.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/notmuch-new.c b/notmuch-new.c
index 3cde3a7..71224c5 100644
--- a/notmuch-new.c
+++ b/notmuch-new.c
@@ -168,10 +168,21 @@ add_files_recursive (notmuch_database_t *notmuch,
 	next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
 
 	if (stat (next, st)) {
+	    int err = errno;
+
+	    switch (err) {
+	    case ENOENT:
+		/* The file was removed between scandir and now... */
+	    case EPERM:
+	    case EACCES:
+		/* We can't read this file so don't add it to the cache. */
+		continue;
+	    }
+
 	    fprintf (stderr, "Error reading %s: %s\n",
 		     next, strerror (errno));
 	    ret = NOTMUCH_STATUS_FILE_ERROR;
-	    continue;
+	    goto DONE;
 	}
 
 	if (S_ISREG (st->st_mode)) {
-- 
1.6.5.3



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