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code-style: simplify some checks 

main change here is making the `zoom()` logic saner. the rest of the
changes are just small stuff which accumulated on my local branch.

pop() must not be called with NULL. and `zoom()` achieves this, but in a
very (unnecessarily) complicated way:

if c == NULL then nexttiled() will return NULL as well, so we enter this
branch:

	if (c == nexttiled(selmon->clients))

in here the !c check fails and the function returns before calling pop()

		if (!c || !(c = nexttiled(c->next)))
			return;

however, none of this was needed. we can simply return early if c was NULL.
Also `c` is set to `selmon->sel` so we can use `c` in the first check
instead which makes things shorter.
This commit is contained in:
NRK 2022-08-06 04:27:13 +06:00 committed by Hiltjo Posthuma
parent 5b2e5e7a40
commit 5e76e7e21d
1 changed files with 8 additions and 15 deletions
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17
dwm.c
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@ -918,14 +918,12 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size)
text[0] = '\0'; text[0] = '\0';
if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems) if (!XGetTextProperty(dpy, w, &name, atom) || !name.nitems)
return 0; return 0;
if (name.encoding == XA_STRING) if (name.encoding == XA_STRING) {
strncpy(text, (char *)name.value, size - 1); strncpy(text, (char *)name.value, size - 1);
else { } else if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
strncpy(text, *list, size - 1); strncpy(text, *list, size - 1);
XFreeStringList(list); XFreeStringList(list);
} }
}
text[size - 1] = '\0'; text[size - 1] = '\0';
XFree(name.value); XFree(name.value);
return 1; return 1;
@ -1099,9 +1097,7 @@ maprequest(XEvent *e)
static XWindowAttributes wa; static XWindowAttributes wa;
XMapRequestEvent *ev = &e->xmaprequest; XMapRequestEvent *ev = &e->xmaprequest;
if (!XGetWindowAttributes(dpy, ev->window, &wa)) if (!XGetWindowAttributes(dpy, ev->window, &wa) || wa.override_redirect)
return;
if (wa.override_redirect)
return; return;
if (!wintoclient(ev->window)) if (!wintoclient(ev->window))
manage(ev->window, &wa); manage(ev->window, &wa);
@ -1603,7 +1599,6 @@ setup(void)
focus(NULL); focus(NULL);
} }
void void
seturgent(Client *c, int urg) seturgent(Client *c, int urg)
{ {
@ -2124,11 +2119,9 @@ zoom(const Arg *arg)
{ {
Client *c = selmon->sel; Client *c = selmon->sel;
if (!selmon->lt[selmon->sellt]->arrange if (!selmon->lt[selmon->sellt]->arrange || !c || c->isfloating)
|| (selmon->sel && selmon->sel->isfloating))
return; return;
if (c == nexttiled(selmon->clients)) if (c == nexttiled(selmon->clients) && !(c = nexttiled(c->next)))
if (!c || !(c = nexttiled(c->next)))
return; return;
pop(c); pop(c);
} }