tgettextprop: check result of XGetTextProperty (undefined behaviour for XFree) … | |
git clone git://src.adamsgaard.dk/dwm | |
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--- | |
commit 99f78fa553f9ddb23fab73e47a408d66ca7f974c | |
parent a9b6a312a77b9cc81ca8b08a95c09e9f7948d7a6 | |
Author: Hiltjo Posthuma <[email protected]> | |
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(-) | |
--- | |
diff --git a/dwm.c b/dwm.c | |
t@@ -910,8 +910,7 @@ gettextprop(Window w, Atom atom, char *text, unsigned int … | |
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); |