[dwm] sselp or X11 Bug? XInternAtom

From: Stefan Kuttler <Deleuze_AT_gmx.net>
Date: Mon, 02 Mar 2009 10:11:49 +0100


there is some odd bug which probably nobody will care about in sselp:
It is somewhat cosmetic, searching ML on this didn't revealed anything useful. (please point me to threads, if im wrong)

Select the *String* NULL or make the selection a newline:


Using XInternAtom seems to fix the Symptom:

# lit. NULL
,diff -Naub sselp
sselp sselp.c sselp.c.orig sselp.o
,diff -Naub sselp.c.orig sselp.c
--- sselp.c.orig Mon Mar 2 00:24:56 2009
+++ sselp.c Mon Mar 2 00:45:16 2009
@@ -11,6 +11,7 @@
        Display *dpy;
        Atom utf8_string;
        Atom xa_clip_string;
+ Atom lit_null_string;
        Window w;
        XEvent ev;
        Atom typeret;
@@ -23,6 +24,7 @@
                return NULL;
        utf8_string = XInternAtom(dpy, "UTF8_STRING", False);
        xa_clip_string = XInternAtom(dpy, "_SSELP_STRING", False);
+ lit_null_string = XInternAtom(dpy, "NULL", True);
        w = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 10, 10, 200, 200,
                        1, CopyFromParent, CopyFromParent);
        XConvertSelection(dpy, XA_PRIMARY, utf8_string, xa_clip_string,

I believe, there must be a better solution to this.

As a completly different question I noted that the data pointer is not initialized to NULL:

,grep '*data' sselp.c
        unsigned char *data;
        unsigned char *data;

Shouldn't this look like unsigned char *data = NULL; ?


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Received on Mon Mar 02 2009 - 09:11:49 UTC

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