lib/path: make sure ul_path_read_buffer() derminate result

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/lib/path.c b/lib/path.c
index f7fd19592447b3e929751f6c7447e2cdb673b2cc..8dce1da408907dc9be249780244489e6753b2a59 100644 (file)
--- a/lib/path.c
+++ b/lib/path.c
@@ -610,9 +610,10 @@ int ul_path_read_buffer(struct path_cxt *pc, char *buf, size_t bufsz, const char
 
        /* Remove tailing newline (usual in sysfs) */
        if (rc > 0 && *(buf + rc - 1) == '\n')
-               --rc;
+               buf[--rc] = '\0';
+       else
+               buf[rc - 1] = '\0';
 
-       buf[rc] = '\0';
        return rc;
 }