gettextprop: check result of XGetTextProperty (undefined behaviour for XFree) - dwm - my customized version of dwm (hiltjo branch) (HTM) git clone git://git.codemadness.org/dwm (DIR) Log (DIR) Files (DIR) Refs (DIR) README (DIR) LICENSE --- (DIR) commit 99f78fa553f9ddb23fab73e47a408d66ca7f974c (DIR) parent a9b6a312a77b9cc81ca8b08a95c09e9f7948d7a6 (HTM) 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: M dwm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- (DIR) 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);