From 700a30a130810879322225353c114449084ca1fc Mon Sep 17 00:00:00 2001 From: David Hill Date: Thu, 12 Jul 2012 17:14:47 -0400 Subject: [PATCH] check to see if there is actual data to use before proceeding --- spectrwm.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/spectrwm.c b/spectrwm.c index 408efc2..92576fe 100644 --- a/spectrwm.c +++ b/spectrwm.c @@ -3778,14 +3778,15 @@ get_win_name(xcb_window_t win) c = xcb_icccm_get_wm_name(conn, win); if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) { - name = malloc(r.name_len + 1); - if (!name) { - xcb_get_text_property_reply_wipe(&r); - return (NULL); + if (r.name_len > 0) { + name = malloc(r.name_len + 1); + if (!name) { + xcb_get_text_property_reply_wipe(&r); + return (NULL); + } + memcpy(name, r.name, r.name_len); + name[r.name_len] = '\0'; } - memcpy(name, r.name, r.name_len); - name[r.name_len] = '\0'; - xcb_get_text_property_reply_wipe(&r); } -- 1.7.10.4