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check to see if there is actual data to use before proceeding
author
David Hill
<dhill@conformal.com>
Thu, 12 Jul 2012 21:14:47 +0000
(17:14 -0400)
committer
Reginald Kennedy
<rk@rejii.com>
Fri, 20 Jul 2012 21:58:33 +0000
(
05:58
+0800)
spectrwm.c
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diff --git
a/spectrwm.c
b/spectrwm.c
index
408efc2
..
92576fe
100644
(file)
--- 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)) {
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);
}
xcb_get_text_property_reply_wipe(&r);
}