journal: allow setting of a cutoff log level for disk storage, syslog, kmsg, console...

[elogind.git] / src / journal / sd-journal.c

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 4f3f1b5ff393aede86ecc858503c642c53af545d..9f46f5c6aa4d85e3fa3f02ec2e7cc6a0b28455cb 100644 (file)
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -115,8 +115,17 @@ _public_ int sd_journal_add_match(sd_journal *j, const void *data, size_t size)
                 return -EINVAL;
         if (!data)
                 return -EINVAL;
-        if (size <= 0)
+        if (size <= 1)
                 return -EINVAL;
+        if (!memchr(data, '=', size))
+                return -EINVAL;
+        if (*(char*) data == '=')
+                return -EINVAL;
+
+        /* FIXME: iterating with multiple matches is currently
+         * broken */
+        if (j->matches)
+                return -ENOTSUP;
 
         le_hash = htole64(hash64(data, size));