X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=blob.c;h=2545aea9af2d9dbb5d34b4a41a6d3363c35c3385;hb=85094cd802bdb606d4e2bf7ed66dec51db2a0953;hp=21144d851a48d8a3d6c2fb16eb792adea5c87a1e;hpb=b326b33f0afef8f68623d30fff936d615ce43bc7;p=paraslash.git

diff --git a/blob.c b/blob.c
index 21144d85..2545aea9 100644
--- a/blob.c
+++ b/blob.c
@@ -156,6 +156,8 @@ static void com_lsblob_callback(struct osl_table *table,
 	ret = for_each_matching_row(&pmd);
 	if (ret < 0)
 		para_printf(&lbad.pb, "%s\n", para_strerror(-ret));
+	else if (pmd.num_matches == 0 && pmd.patterns.size > 0)
+		para_printf(&lbad.pb, "no matches\n");
 	if (lbad.pb.offset)
 		pass_buffer_as_shm(lbad.pb.buf, lbad.pb.offset, &fd);
 	free(lbad.pb.buf);
@@ -203,9 +205,9 @@ static int cat_blob(struct osl_table *table, struct osl_row *row,
 
 	ret = osl(osl_open_disk_object(table, row, BLOBCOL_DEF, &obj));
 	if (ret < 0)
-		return ret;
-	if (obj.size)
-		ret = pass_buffer_as_shm(obj.data, obj.size, data);
+		return (ret == osl(-E_OSL_EMPTY))? 0 : ret;
+	assert(obj.size > 0);
+	ret = pass_buffer_as_shm(obj.data, obj.size, data);
 	ret2 = osl(osl_close_disk_object(&obj));
 	return (ret < 0)? ret : ret2;
 }