From: Andre Noll <maan@systemlinux.org>
Date: Wed, 6 Jul 2011 20:32:06 +0000 (+0200)
Subject: afs: Make catblob commands print an error if no blob matched.
X-Git-Tag: v0.4.9~3^2~3
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=b326b33f0afef8f68623d30fff936d615ce43bc7

afs: Make catblob commands print an error if no blob matched.

This is straight-forward given the new generic num_matches
counter which was introduced in the previous patch.
---

diff --git a/blob.c b/blob.c
index b3daf5c3..21144d85 100644
--- a/blob.c
+++ b/blob.c
@@ -223,6 +223,10 @@ static void com_catblob_callback(struct osl_table *table, int fd,
 		.action = cat_blob
 	};
 	for_each_matching_row(&pmd);
+	if (pmd.num_matches == 0) {
+		char err_msg[] = "no matches\n";
+		pass_buffer_as_shm(err_msg, sizeof(err_msg), &fd);
+	}
 }
 
 static int com_catblob(callback_function *f, struct stream_cipher_context *scc, int argc,