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	reverse list - lsw - lists window titles of X clients to stdout
	git clone git://git.suckless.org/lsw
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	---
	commit 0ae7a4520d111c776a2dc1136f7a4c6fcebb056d
	parent 4d98d964ba18e713967c9f1e046540b254071da8
	Author: Connor Lane Smith <[email protected]>
	Date: Sat, 18 Jun 2011 18:47:03 +0100

	reverse list
	Diffstat:
	M lsw.c \| 32 +++++++++++++++--------------…

	1 file changed, 15 insertions(+), 17 deletions(-)
	---
	diff --git a/lsw.c b/lsw.c
	@@ -5,8 +5,8 @@
	#include <X11/Xlib.h>
	#include <X11/Xutil.h>

	-static void getname(Window win, char *buf, size_t size);
	-static void lsw(Window win);
	+static const char *getname(Window);
	+static void lsw(Window);

	static Atom netwmname;
	static Display *dpy;
	@@ -32,37 +32,35 @@ main(int argc, char *argv[]) {

	void
	lsw(Window win) {
	- char buf[BUFSIZ];
	- unsigned int i, n;
	- Window *wins, dw;
	+ unsigned int n;
	+ Window wins, w, dw;
	XWindowAttributes wa;

	if(!XQueryTree(dpy, win, &dw, &dw, &wins, &n))
	return;
	- for(i = 0; i < n; i++)
	- if(XGetWindowAttributes(dpy, wins[i], &wa)
	- && !wa.override_redirect && wa.map_state == IsViewable) {
	- getname(wins[i], buf, sizeof buf);
	- printf("0x%07lx %s\n", wins[i], buf);
	- }
	+ for(w = &wins[n-1]; w >= &wins[0]; w--)
	+ if(XGetWindowAttributes(dpy, *w, &wa)
	+ && !wa.override_redirect && wa.map_state == IsViewable)
	+ printf("0x%07lx %s\n", w, getname(w));
	XFree(wins);
	}

	-void
	-getname(Window win, char *buf, size_t size) {
	+const char *
	+getname(Window win) {
	+ static char buf[BUFSIZ];
	char **list;
	int n;
	XTextProperty prop;

	- buf[0] = '\0';
	if(!XGetTextProperty(dpy, win, &prop, netwmname) \|\| prop.nitems == 0)
	if(!XGetWMName(dpy, win, &prop) \|\| prop.nitems == 0)
	- return;
	+ return "";
	if(!XmbTextPropertyToTextList(dpy, &prop, &list, &n) && n > 0) {
	- strncpy(buf, list[0], size);
	+ strncpy(buf, list[0], sizeof buf);
	XFreeStringList(list);
	}
	else
	- strncpy(buf, (char *)prop.value, size);
	+ strncpy(buf, (char *)prop.value, sizeof buf);
	XFree(prop.value);
	+ return buf;
	}