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gettextprop: check result of XGetTextProperty (undefined behaviour for XFree) -… |
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git clone git://git.suckless.org/dwm |
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--- |
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commit 99f78fa553f9ddb23fab73e47a408d66ca7f974c |
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parent a9b6a312a77b9cc81ca8b08a95c09e9f7948d7a6 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Fri, 3 Nov 2017 16:36:32 +0100 |
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gettextprop: check result of XGetTextProperty (undefined behaviour for XFree) |
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Diffstat: |
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M dwm.c | 3 +-- |
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1 file changed, 1 insertion(+), 2 deletions(-) |
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--- |
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diff --git a/dwm.c b/dwm.c |
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@@ -910,8 +910,7 @@ gettextprop(Window w, Atom atom, char *text, unsigned int s… |
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if (!text || size == 0) |
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return 0; |
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text[0] = '\0'; |
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- XGetTextProperty(dpy, w, &name, atom); |
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- if (!name.nitems) |
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+ if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems) |
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return 0; |
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if (name.encoding == XA_STRING) |
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strncpy(text, (char *)name.value, size - 1); |
