dwm

dynamic window manager
git clone git://git.suckless.org/dwm
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commit 99f78fa553f9ddb23fab73e47a408d66ca7f974c
parent a9b6a312a77b9cc81ca8b08a95c09e9f7948d7a6
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri,  3 Nov 2017 16:36:32 +0100

gettextprop: check result of XGetTextProperty (undefined behaviour for XFree)

Diffstat:
dwm.c | 3+--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dwm.c b/dwm.c @@ -910,8 +910,7 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size) if (!text || size == 0) return 0; text[0] = '\0'; - XGetTextProperty(dpy, w, &name, atom); - if (!name.nitems) + if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems) return 0; if (name.encoding == XA_STRING) strncpy(text, (char *)name.value, size - 1);