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Fix double free in the case of windows with a _NET_WM_NAME property,

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reported by frantisek holop, patch by Tim van der Molen. Thanks to both.
This commit is contained in:
matthieu 2011-01-09 17:14:32 +00:00
parent 5f9395d931
commit 546e991d51
1 changed files with 3 additions and 7 deletions
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10
app/xwininfo/xwininfo.c
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@ -786,9 +786,9 @@ Display_Window_Id (struct wininfo *w, Bool newline_wanted)
{
#ifdef USE_XCB_ICCCM
xcb_get_text_property_reply_t wmn_reply;
uint8_t got_reply = False;
#endif
xcb_get_property_reply_t *prop;
uint8_t got_reply = False;
const char *wm_name = NULL;
unsigned int wm_name_len = 0;
xcb_atom_t wm_name_encoding = XCB_NONE;
@ -807,10 +807,7 @@ Display_Window_Id (struct wininfo *w, Bool newline_wanted)
wm_name = xcb_get_property_value (prop);
wm_name_len = xcb_get_property_value_length (prop);
wm_name_encoding = prop->type;
got_reply = True;
}
if (!got_reply) { /* No _NET_WM_NAME, check WM_NAME */
} else { /* No _NET_WM_NAME, check WM_NAME */
#ifdef USE_XCB_ICCCM
got_reply = xcb_get_wm_name_reply (dpy, w->wm_name_cookie,
&wmn_reply, NULL);
@ -825,11 +822,10 @@ Display_Window_Id (struct wininfo *w, Bool newline_wanted)
wm_name = xcb_get_property_value (prop);
wm_name_len = xcb_get_property_value_length (prop);
wm_name_encoding = prop->type;
got_reply = True;
}
#endif
}
if (!got_reply || wm_name_len == 0) {
if (wm_name_len == 0) {
printf (" (has no name)");
} else {
if (wm_name_encoding == XCB_ATOM_STRING) {