gettextprop: check result of XGetTextProperty (undefined behaviour for XFree) - dwm - dynamic window manager
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       ---
 (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);