Applied.
Thanks a lot!

--Anselm

On Wed, May 21, 2008 at 07:43:29PM +0200, Enno Gottox Boland wrote:
> There was a mistake in config.def.h. Here's the fixed on.
> 
> 2008/5/21, Enno Gottox Boland <[EMAIL PROTECTED]>:
> > Hi!
> >
> >  I added the void *arg feature to dwm and diffed it together with the
> >  other changes. Please review the patch carefully, as I changed a lot.
> >
> >  Thanks!
> >
> >  2008/5/21, Enno Gottox Boland <[EMAIL PROTECTED]>:
> >  > Here is yet another update to the patch which includes chances
> >  >  discussed on #dwm.
> >  >
> >  >  2008/5/21, Anselm R. Garbe <[EMAIL PROTECTED]>:
> >  >
> >  > > Hi I like your patches (also the version of anydot).
> >  >  >
> >  >  >
> >  >  >  On Wed, May 21, 2008 at 10:49:16AM +0200, Enno Gottox Boland wrote:
> >  >  >  > 2008/5/21, Szabolcs Nagy <[EMAIL PROTECTED]>:
> >  >  >  > > in config.h referencing tags has changed in rules but not in 
> > keys.
> >  >  >  > Yes, arg has discussed yesterday if it's possible to change const 
> > char
> >  >  >  > *arg to void *arg. if this works, i'll change the key behavior too.
> >  >  >
> >  >  >
> >  >  > Ok, I won't touch the code until the evening today, so feel free
> >  >  >  to use the (int[]) 1 syntax, we are going to change the
> >  >  >  argument of Key-functions to void *.
> >  >  >
> >  >  >
> >  >  >  > >  the (1 << tagnum) in rules is a bit nasty
> >  >  >  > >  it is probably nicer to do the shifting in setup();
> >  >  >  > you mean in applyrules? - No I don't think so. It adds much more
> >  >  >  > flexibility. You can define bitmasks as 0b10001 to tag a client to 
> > the
> >  >  >  > first and the fifth tag or you can use ~0 to make it "sticky".
> >  >  >
> >  >  >
> >  >  > I agree, that allows also to get rid of cloned rules.
> >  >  >
> >  >  >
> >  >  >  > >  instead of
> >  >  >  > >   i < LENGTH(tags) && i < sizeof(int) * 8;
> >  >  >  > >  what about checking once
> >  >  >  > >   if(LENGTH(tags) > sizeof(int) * CHAR_BIT)
> >  >  >  > >      eprint("Maximum number of tags: %d\n", sizeof(int) * 
> > CHAR_BIT);
> >  >  >  > >  in setup();
> >  >  >  > The problem about this is it denies users from using one config.h 
> > with
> >  >  >  > many tags on different architectures. Furthermore I wouldn't check
> >  >  >  > this at runtime but at compiletime. (maybe we can use "#warning" as
> >  >  >  > compromise)
> >  >  >
> >  >  >
> >  >  > Well, regarding to
> >  >  >
> >  >  >  
> > http://coding.derkeiler.com/Archive/C_CPP/comp.lang.c/2005-01/1697.html
> >  >  >
> >  >  >  a compile time evaluation isn't possible. So I think we should
> >  >  >  stick to Szabolcs proposal to reject the setup in setup():
> >  >  >
> >  >  >         if(sizeof(unsigned int) * CHAR_BIT < LENGTH(tags))
> >  >  >                 eprint("error: number of tags is restricted to: 
> > %u\n", sizeof(unsigned int) * CHAR_BIT);
> >  >  >
> >  >  >  Usually nobody will use more than 16 tags imho, so that we
> >  >  >  should not expect a problem here if sizeof(int) is only 2 on
> >  >  >  some exotic hosts.
> >  >  >
> >  >  >  Kind regards,
> >  >  >
> >  >  > --
> >  >  >   Anselm R. Garbe >< http://www.suckless.org/ >< GPG key: 0D73F361
> >  >  >
> >  >  >
> >  >
> >  >
> >  >
> >  > --
> >  >  http://www.gnuffy.org - Real Community Distro
> >  >  http://www.gnuffy.org/index.php/GnuEm - Gnuffy on Ipaq (Codename Peggy)
> >  >
> >  >
> >
> >
> >
> >  --
> >  http://www.gnuffy.org - Real Community Distro
> >  http://www.gnuffy.org/index.php/GnuEm - Gnuffy on Ipaq (Codename Peggy)
> >
> >
> 
> 
> -- 
> http://www.gnuffy.org - Real Community Distro
> http://www.gnuffy.org/index.php/GnuEm - Gnuffy on Ipaq (Codename Peggy)

> diff -r cd9fd0986555 config.def.h
> --- a/config.def.h    Mon May 19 20:29:57 2008 +0100
> +++ b/config.def.h    Wed May 21 19:42:30 2008 +0200
> @@ -18,7 +18,8 @@
>  
>  Rule rules[] = {
>       /* class      instance    title       tags ref      isfloating */
> -     { "Gimp",     NULL,       NULL,       NULL,         True },
> +     { "Gimp",     NULL,       NULL,       0,            True },
> +     { "Firefox",  NULL,       NULL,       1 << 8,       True },
>  };
>  
>  /* layout(s) */
> @@ -35,55 +36,55 @@
>  #define MODKEY Mod1Mask
>  Key keys[] = {
>       /* modifier                     key        function        argument */
> -     { MODKEY,                       XK_p,      spawn,          "exec 
> dmenu_run -fn '"FONT"' -nb '"NORMBGCOLOR"' -nf '"NORMFGCOLOR"' -sb 
> '"SELBGCOLOR"' -sf '"SELFGCOLOR"'" },
> -     { MODKEY|ShiftMask,             XK_Return, spawn,          "exec 
> uxterm" },
> +     { MODKEY,                       XK_p,      spawn,          (char 
> *)"exec dmenu_run -fn '"FONT"' -nb '"NORMBGCOLOR"' -nf '"NORMFGCOLOR"' -sb 
> '"SELBGCOLOR"' -sf '"SELFGCOLOR"'" },
> +     { MODKEY|ShiftMask,             XK_Return, spawn,          (char 
> *)"exec uxterm" },
>       { MODKEY,                       XK_b,      togglebar,      NULL },
>       { MODKEY,                       XK_j,      focusnext,      NULL },
>       { MODKEY,                       XK_k,      focusprev,      NULL },
> -     { MODKEY,                       XK_h,      setmfact,       "-0.05" },
> -     { MODKEY,                       XK_l,      setmfact,       "+0.05" },
> +     { MODKEY,                       XK_h,      setmfact,       
> (double[]){+0.05} },
> +     { MODKEY,                       XK_l,      setmfact,       
> (double[]){-0.05} },
>       { MODKEY,                       XK_Return, zoom,           NULL },
>       { MODKEY,                       XK_Tab,    viewprevtag,    NULL },
>       { MODKEY|ShiftMask,             XK_c,      killclient,     NULL },
>       { MODKEY,                       XK_space,  togglelayout,   NULL },
>       { MODKEY|ShiftMask,             XK_space,  togglefloating, NULL },
> -     { MODKEY,                       XK_0,      view,           NULL },
> -     { MODKEY,                       XK_1,      view,           tags[0] },
> -     { MODKEY,                       XK_2,      view,           tags[1] },
> -     { MODKEY,                       XK_3,      view,           tags[2] },
> -     { MODKEY,                       XK_4,      view,           tags[3] },
> -     { MODKEY,                       XK_5,      view,           tags[4] },
> -     { MODKEY,                       XK_6,      view,           tags[5] },
> -     { MODKEY,                       XK_7,      view,           tags[6] },
> -     { MODKEY,                       XK_8,      view,           tags[7] },
> -     { MODKEY,                       XK_9,      view,           tags[8] },
> -     { MODKEY|ControlMask,           XK_1,      toggleview,     tags[0] },
> -     { MODKEY|ControlMask,           XK_2,      toggleview,     tags[1] },
> -     { MODKEY|ControlMask,           XK_3,      toggleview,     tags[2] },
> -     { MODKEY|ControlMask,           XK_4,      toggleview,     tags[3] },
> -     { MODKEY|ControlMask,           XK_5,      toggleview,     tags[4] },
> -     { MODKEY|ControlMask,           XK_6,      toggleview,     tags[5] },
> -     { MODKEY|ControlMask,           XK_7,      toggleview,     tags[6] },
> -     { MODKEY|ControlMask,           XK_8,      toggleview,     tags[7] },
> -     { MODKEY|ControlMask,           XK_9,      toggleview,     tags[8] },
> -     { MODKEY|ShiftMask,             XK_0,      tag,            NULL },
> -     { MODKEY|ShiftMask,             XK_1,      tag,            tags[0] },
> -     { MODKEY|ShiftMask,             XK_2,      tag,            tags[1] },
> -     { MODKEY|ShiftMask,             XK_3,      tag,            tags[2] },
> -     { MODKEY|ShiftMask,             XK_4,      tag,            tags[3] },
> -     { MODKEY|ShiftMask,             XK_5,      tag,            tags[4] },
> -     { MODKEY|ShiftMask,             XK_6,      tag,            tags[5] },
> -     { MODKEY|ShiftMask,             XK_7,      tag,            tags[6] },
> -     { MODKEY|ShiftMask,             XK_8,      tag,            tags[7] },
> -     { MODKEY|ShiftMask,             XK_9,      tag,            tags[8] },
> -     { MODKEY|ControlMask|ShiftMask, XK_1,      toggletag,      tags[0] },
> -     { MODKEY|ControlMask|ShiftMask, XK_2,      toggletag,      tags[1] },
> -     { MODKEY|ControlMask|ShiftMask, XK_3,      toggletag,      tags[2] },
> -     { MODKEY|ControlMask|ShiftMask, XK_4,      toggletag,      tags[3] },
> -     { MODKEY|ControlMask|ShiftMask, XK_5,      toggletag,      tags[4] },
> -     { MODKEY|ControlMask|ShiftMask, XK_6,      toggletag,      tags[5] },
> -     { MODKEY|ControlMask|ShiftMask, XK_7,      toggletag,      tags[6] },
> -     { MODKEY|ControlMask|ShiftMask, XK_8,      toggletag,      tags[7] },
> -     { MODKEY|ControlMask|ShiftMask, XK_9,      toggletag,      tags[8] },
> +     { MODKEY,                       XK_0,      view,           (int[]){ ~0 
> } },
> +     { MODKEY,                       XK_1,      view,           (int[]){ 1 
> << 0 } },
> +     { MODKEY,                       XK_2,      view,           (int[]){ 1 
> << 1 } },
> +     { MODKEY,                       XK_3,      view,           (int[]){ 1 
> << 2 } },
> +     { MODKEY,                       XK_4,      view,           (int[]){ 1 
> << 3 } },
> +     { MODKEY,                       XK_5,      view,           (int[]){ 1 
> << 4 } },
> +     { MODKEY,                       XK_6,      view,           (int[]){ 1 
> << 5 } },
> +     { MODKEY,                       XK_7,      view,           (int[]){ 1 
> << 6 } },
> +     { MODKEY,                       XK_8,      view,           (int[]){ 1 
> << 7 } },
> +     { MODKEY,                       XK_9,      view,           (int[]){ 1 
> << 8 } },
> +     { MODKEY|ControlMask,           XK_1,      toggleview,     (int[]){ 1 
> << 0 } },
> +     { MODKEY|ControlMask,           XK_2,      toggleview,     (int[]){ 1 
> << 1 } },
> +     { MODKEY|ControlMask,           XK_3,      toggleview,     (int[]){ 1 
> << 2 } },
> +     { MODKEY|ControlMask,           XK_4,      toggleview,     (int[]){ 1 
> << 3 } },
> +     { MODKEY|ControlMask,           XK_5,      toggleview,     (int[]){ 1 
> << 4 } },
> +     { MODKEY|ControlMask,           XK_6,      toggleview,     (int[]){ 1 
> << 5 } },
> +     { MODKEY|ControlMask,           XK_7,      toggleview,     (int[]){ 1 
> << 6 } },
> +     { MODKEY|ControlMask,           XK_8,      toggleview,     (int[]){ 1 
> << 7 } },
> +     { MODKEY|ControlMask,           XK_9,      toggleview,     (int[]){ 1 
> << 8 } },
> +     { MODKEY|ShiftMask,             XK_0,      tag,            (int[]){ ~0 
> } },
> +     { MODKEY|ShiftMask,             XK_1,      tag,            (int[]){ 1 
> << 0 } },
> +     { MODKEY|ShiftMask,             XK_2,      tag,            (int[]){ 1 
> << 1 } },
> +     { MODKEY|ShiftMask,             XK_3,      tag,            (int[]){ 1 
> << 2 } },
> +     { MODKEY|ShiftMask,             XK_4,      tag,            (int[]){ 1 
> << 3 } },
> +     { MODKEY|ShiftMask,             XK_5,      tag,            (int[]){ 1 
> << 4 } },
> +     { MODKEY|ShiftMask,             XK_6,      tag,            (int[]){ 1 
> << 5 } },
> +     { MODKEY|ShiftMask,             XK_7,      tag,            (int[]){ 1 
> << 6 } },
> +     { MODKEY|ShiftMask,             XK_8,      tag,            (int[]){ 1 
> << 7 } },
> +     { MODKEY|ShiftMask,             XK_9,      tag,            (int[]){ 1 
> << 8 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_1,      toggletag,      (int[]){ 1 
> << 0 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_2,      toggletag,      (int[]){ 1 
> << 1 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_3,      toggletag,      (int[]){ 1 
> << 2 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_4,      toggletag,      (int[]){ 1 
> << 3 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_5,      toggletag,      (int[]){ 1 
> << 4 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_6,      toggletag,      (int[]){ 1 
> << 5 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_7,      toggletag,      (int[]){ 1 
> << 6 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_8,      toggletag,      (int[]){ 1 
> << 7 } },
> +     { MODKEY|ControlMask|ShiftMask, XK_9,      toggletag,      (int[]){ 1 
> << 8 } },
>       { MODKEY|ShiftMask,             XK_q,      quit,           NULL },
>  };
> diff -r cd9fd0986555 config.mk
> --- a/config.mk       Mon May 19 20:29:57 2008 +0100
> +++ b/config.mk       Wed May 21 19:42:30 2008 +0200
> @@ -20,10 +20,10 @@
>  
>  # flags
>  CPPFLAGS = -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
> -CFLAGS = -Os ${INCS} ${CPPFLAGS}
> -LDFLAGS = -s ${LIBS}
> -#CFLAGS = -g -std=c99 -pedantic -Wall -O2 ${INCS} ${CPPFLAGS}
> -#LDFLAGS = -g ${LIBS}
> +#CFLAGS = -Os ${INCS} ${CPPFLAGS}
> +#LDFLAGS = -s ${LIBS}
> +CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
> +LDFLAGS = -g ${LIBS}
>  
>  # Solaris
>  #CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"
> diff -r cd9fd0986555 dwm.c
> --- a/dwm.c   Mon May 19 20:29:57 2008 +0100
> +++ b/dwm.c   Wed May 21 19:42:30 2008 +0200
> @@ -51,6 +51,7 @@
>  #define LENGTH(x)       (sizeof x / sizeof x[0])
>  #define MAXTAGLEN       16
>  #define MOUSEMASK       (BUTTONMASK|PointerMotionMask)
> +#define TAGMASK         ((int)((1LL << LENGTH(tags)) - 1))
>  
>  /* enums */
>  enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
> @@ -68,7 +69,7 @@
>       long flags;
>       unsigned int bw, oldbw;
>       Bool isbanned, isfixed, isfloating, isurgent;
> -     Bool *tags;
> +     unsigned int tags;
>       Client *next;
>       Client *prev;
>       Client *snext;
> @@ -93,8 +94,8 @@
>  typedef struct {
>       unsigned long mod;
>       KeySym keysym;
> -     void (*func)(const char *arg);
> -     const char *arg;
> +     void (*func)(void *arg);
> +     void *arg;
>  } Key;
>  
>  typedef struct {
> @@ -107,7 +108,7 @@
>       const char *class;
>       const char *instance;
>       const char *title;
> -     const char *tag;
> +     unsigned int tags;
>       Bool isfloating;
>  } Rule;
>  
> @@ -135,48 +136,47 @@
>  void expose(XEvent *e);
>  void focus(Client *c);
>  void focusin(XEvent *e);
> -void focusnext(const char *arg);
> -void focusprev(const char *arg);
> +void focusnext(void *arg);
> +void focusprev(void *arg);
>  Client *getclient(Window w);
>  unsigned long getcolor(const char *colstr);
>  long getstate(Window w);
>  Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
>  void grabbuttons(Client *c, Bool focused);
>  void grabkeys(void);
> -unsigned int idxoftag(const char *t);
>  void initfont(const char *fontstr);
>  Bool isoccupied(unsigned int t);
>  Bool isprotodel(Client *c);
>  Bool isurgent(unsigned int t);
>  Bool isvisible(Client *c);
>  void keypress(XEvent *e);
> -void killclient(const char *arg);
> +void killclient(void *arg);
>  void manage(Window w, XWindowAttributes *wa);
>  void mappingnotify(XEvent *e);
>  void maprequest(XEvent *e);
>  void movemouse(Client *c);
>  Client *nextunfloating(Client *c);
>  void propertynotify(XEvent *e);
> -void quit(const char *arg);
> +void quit(void *arg);
>  void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
>  void resizemouse(Client *c);
>  void restack(void);
>  void run(void);
>  void scan(void);
>  void setclientstate(Client *c, long state);
> -void setmfact(const char *arg);
> +void setmfact(void *arg);
>  void setup(void);
> -void spawn(const char *arg);
> -void tag(const char *arg);
> +void spawn(void *arg);
> +void tag(void *arg);
>  unsigned int textnw(const char *text, unsigned int len);
>  unsigned int textw(const char *text);
>  void tile(void);
>  void tileresize(Client *c, int x, int y, int w, int h);
> -void togglebar(const char *arg);
> -void togglefloating(const char *arg);
> -void togglelayout(const char *arg);
> -void toggletag(const char *arg);
> -void toggleview(const char *arg);
> +void togglebar(void *arg);
> +void togglefloating(void *arg);
> +void togglelayout(void *arg);
> +void toggletag(void *arg);
> +void toggleview(void *arg);
>  void unban(Client *c);
>  void unmanage(Client *c);
>  void unmapnotify(XEvent *e);
> @@ -186,19 +186,19 @@
>  void updatetilegeom(void);
>  void updatetitle(Client *c);
>  void updatewmhints(Client *c);
> -void view(const char *arg);
> -void viewprevtag(const char *arg);
> +void view(void *arg);
> +void viewprevtag(void *arg);
>  int xerror(Display *dpy, XErrorEvent *ee);
>  int xerrordummy(Display *dpy, XErrorEvent *ee);
>  int xerrorstart(Display *dpy, XErrorEvent *ee);
> -void zoom(const char *arg);
> +void zoom(void *arg);
>  
>  /* variables */
>  char stext[256];
>  int screen, sx, sy, sw, sh;
>  int bx, by, bw, bh, blw, wx, wy, ww, wh;
>  int mx, my, mw, mh, tx, ty, tw, th;
> -int seltags = 0;
> +unsigned int seltags = 0;
>  int (*xerrorxlib)(Display *, XErrorEvent *);
>  unsigned int numlockmask = 0;
>  void (*handler[LASTEvent]) (XEvent *) = {
> @@ -218,7 +218,7 @@
>  Atom wmatom[WMLast], netatom[NetLast];
>  Bool otherwm, readin;
>  Bool running = True;
> -Bool *tagset[2];
> +unsigned int tagset[] = {1, 1}; /* after start, first tag is selected */
>  Client *clients = NULL;
>  Client *sel = NULL;
>  Client *stack = NULL;
> @@ -231,14 +231,15 @@
>  
>  /* configuration, allows nested code to access above variables */
>  #include "config.h"
> -#define TAGSZ (LENGTH(tags) * sizeof(Bool))
> +
> +/* check if all tags will fit into a unsigned int bitarray. */
> +static char tags_is_a_sign_that_your_IQ[sizeof(int) * 8 < LENGTH(tags) ? -1 
> : 1];
>  
>  /* function implementations */
>  
>  void
>  applyrules(Client *c) {
>       unsigned int i;
> -     Bool matched = False;
>       Rule *r;
>       XClassHint ch = { 0 };
>  
> @@ -250,18 +251,15 @@
>               && (!r->class || (ch.res_class && strstr(ch.res_class, 
> r->class)))
>               && (!r->instance || (ch.res_name && strstr(ch.res_name, 
> r->instance)))) {
>                       c->isfloating = r->isfloating;
> -                     if(r->tag) {
> -                             c->tags[idxoftag(r->tag)] = True;
> -                             matched = True;
> -                     }
> +                     c->tags |= r->tags & TAGMASK;
>               }
>       }
>       if(ch.res_class)
>               XFree(ch.res_class);
>       if(ch.res_name)
>               XFree(ch.res_name);
> -     if(!matched)
> -             memcpy(c->tags, tagset[seltags], TAGSZ);
> +     if(!c->tags)
> +             c->tags = tagset[seltags];
>  }
>  
>  void
> @@ -307,7 +305,7 @@
>  
>  void
>  buttonpress(XEvent *e) {
> -     unsigned int i, x;
> +     unsigned int i, x, mask;
>       Client *c;
>       XButtonPressedEvent *ev = &e->xbutton;
>  
> @@ -316,17 +314,18 @@
>               for(i = 0; i < LENGTH(tags); i++) {
>                       x += textw(tags[i]);
>                       if(ev->x < x) {
> +                             mask = 1 << i;
>                               if(ev->button == Button1) {
>                                       if(ev->state & MODKEY)
> -                                             tag(tags[i]);
> +                                             tag(&mask);
>                                       else
> -                                             view(tags[i]);
> +                                             view(&mask);
>                               }
>                               else if(ev->button == Button3) {
>                                       if(ev->state & MODKEY)
> -                                             toggletag(tags[i]);
> +                                             toggletag(&mask);
>                                       else
> -                                             toggleview(tags[i]);
> +                                             toggleview(&mask);
>                               }
>                               return;
>                       }
> @@ -501,13 +500,13 @@
>       for(c = stack; c && !isvisible(c); c = c->snext);
>       for(i = 0; i < LENGTH(tags); i++) {
>               dc.w = textw(tags[i]);
> -             if(tagset[seltags][i]) {
> +             if(tagset[seltags] & 1 << i) {
>                       drawtext(tags[i], dc.sel, isurgent(i));
> -                     drawsquare(c && c->tags[i], isoccupied(i), isurgent(i), 
> dc.sel);
> +                     drawsquare(c && c->tags & 1 << i, isoccupied(i), 
> isurgent(i), dc.sel);
>               }
>               else {
>                       drawtext(tags[i], dc.norm, isurgent(i));
> -                     drawsquare(c && c->tags[i], isoccupied(i), isurgent(i), 
> dc.norm);
> +                     drawsquare(c && c->tags & 1 << i, isoccupied(i), 
> isurgent(i), dc.norm);
>               }
>               dc.x += dc.w;
>       }
> @@ -668,7 +667,7 @@
>  }
>  
>  void
> -focusnext(const char *arg) {
> +focusnext(void *arg) {
>       Client *c;
>  
>       if(!sel)
> @@ -683,7 +682,7 @@
>  }
>  
>  void
> -focusprev(const char *arg) {
> +focusprev(void *arg) {
>       Client *c;
>  
>       if(!sel)
> @@ -808,14 +807,6 @@
>       }
>  }
>  
> -unsigned int
> -idxoftag(const char *t) {
> -     unsigned int i;
> -
> -     for(i = 0; (i < LENGTH(tags)) && t && strcmp(tags[i], t); i++);
> -     return (i < LENGTH(tags)) ? i : 0;
> -}
> -
>  void
>  initfont(const char *fontstr) {
>       char *def, **missing;
> @@ -861,7 +852,7 @@
>       Client *c;
>  
>       for(c = clients; c; c = c->next)
> -             if(c->tags[t])
> +             if(c->tags & 1 << t)
>                       return True;
>       return False;
>  }
> @@ -886,19 +877,14 @@
>       Client *c;
>  
>       for(c = clients; c; c = c->next)
> -             if(c->isurgent && c->tags[t])
> +             if(c->isurgent && c->tags & 1 << t)
>                       return True;
>       return False;
>  }
>  
>  Bool
>  isvisible(Client *c) {
> -     unsigned int i;
> -
> -     for(i = 0; i < LENGTH(tags); i++)
> -             if(c->tags[i] && tagset[seltags][i])
> -                     return True;
> -     return False;
> +     return c->tags & tagset[seltags];
>  }
>  
>  void
> @@ -919,7 +905,7 @@
>  }
>  
>  void
> -killclient(const char *arg) {
> +killclient(void *arg) {
>       XEvent ev;
>  
>       if(!sel)
> @@ -945,7 +931,6 @@
>       XWindowChanges wc;
>  
>       c = emallocz(sizeof(Client));
> -     c->tags = emallocz(TAGSZ);
>       c->win = w;
>  
>       /* geometry */
> @@ -980,7 +965,7 @@
>       if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
>               for(t = clients; t && t->win != trans; t = t->next);
>       if(t)
> -             memcpy(c->tags, t->tags, TAGSZ);
> +             c->tags = t->tags;
>       else
>               applyrules(c);
>       if(!c->isfloating)
> @@ -1103,7 +1088,7 @@
>  }
>  
>  void
> -quit(const char *arg) {
> +quit(void *arg) {
>       readin = running = False;
>  }
>  
> @@ -1334,20 +1319,17 @@
>                       PropModeReplace, (unsigned char *)data, 2);
>  }
>  
> +/* arg > 1.0 will set mfact absolutly */
>  void
> -setmfact(const char *arg) {
> -     double d;
> +setmfact(void *arg) {
> +     double d = *((double*) arg);
>  
> -     if(!arg || lt->arrange != tile)
> +     if(!d || lt->arrange != tile)
>               return;
> -     else {
> -             d = strtod(arg, NULL);
> -             if(arg[0] == '-' || arg[0] == '+')
> -                     d += mfact;
> -             if(d < 0.1 || d > 0.9)
> -                     return;
> -             mfact = d;
> -     }
> +     d = d < 1.0 ? d + mfact : d - 1.0;
> +     if(d < 0.1 || d > 0.9)
> +             return;
> +     mfact = d;
>       updatetilegeom();
>       arrange();
>  }
> @@ -1396,11 +1378,6 @@
>       if(!dc.font.set)
>               XSetFont(dpy, dc.gc, dc.font.xfont->fid);
>  
> -     /* init tags */
> -     tagset[0] = emallocz(TAGSZ);
> -     tagset[1] = emallocz(TAGSZ);
> -     tagset[0][0] = tagset[1][0] = True;
> -
>       /* init bar */
>       for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
>               w = textw(layouts[i].symbol);
> @@ -1435,13 +1412,11 @@
>  }
>  
>  void
> -spawn(const char *arg) {
> +spawn(void *arg) {
>       static char *shell = NULL;
>  
>       if(!shell && !(shell = getenv("SHELL")))
>               shell = "/bin/sh";
> -     if(!arg)
> -             return;
>       /* The double-fork construct avoids zombie processes and keeps the code
>        * clean from stupid signal handlers. */
>       if(fork() == 0) {
> @@ -1449,8 +1424,8 @@
>                       if(dpy)
>                               close(ConnectionNumber(dpy));
>                       setsid();
> -                     execl(shell, shell, "-c", arg, (char *)NULL);
> -                     fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
> +                     execl(shell, shell, "-c", (char *)arg, (char *)NULL);
> +                     fprintf(stderr, "dwm: execl '%s -c %s'", shell, (char 
> *)arg);
>                       perror(" failed");
>               }
>               exit(0);
> @@ -1459,15 +1434,11 @@
>  }
>  
>  void
> -tag(const char *arg) {
> -     unsigned int i;
> -
> -     if(!sel)
> -             return;
> -     for(i = 0; i < LENGTH(tags); i++)
> -             sel->tags[i] = (arg == NULL);
> -     sel->tags[idxoftag(arg)] = True;
> -     arrange();
> +tag(void *arg) {
> +     if(sel && *(int *)arg & TAGMASK) {
> +             sel->tags = *(int *)arg & TAGMASK;
> +             arrange();
> +     }
>  }
>  
>  unsigned int
> @@ -1534,7 +1505,7 @@
>  }
>  
>  void
> -togglebar(const char *arg) {
> +togglebar(void *arg) {
>       showbar = !showbar;
>       updategeom();
>       updatebar();
> @@ -1542,7 +1513,7 @@
>  }
>  
>  void
> -togglefloating(const char *arg) {
> +togglefloating(void *arg) {
>       if(!sel)
>               return;
>       sel->isfloating = !sel->isfloating;
> @@ -1552,7 +1523,7 @@
>  }
>  
>  void
> -togglelayout(const char *arg) {
> +togglelayout(void *arg) {
>       unsigned int i;
>  
>       if(!arg) {
> @@ -1561,7 +1532,7 @@
>       }
>       else {
>               for(i = 0; i < LENGTH(layouts); i++)
> -                     if(!strcmp(arg, layouts[i].symbol))
> +                     if(!strcmp((char *)arg, layouts[i].symbol))
>                               break;
>               if(i == LENGTH(layouts))
>                       return;
> @@ -1574,29 +1545,27 @@
>  }
>  
>  void
> -toggletag(const char *arg) {
> -     unsigned int i, j;
> +toggletag(void *arg) {
> +     int i, m = *(int *)arg;
> +     for(i = 0; i < sizeof(int) * 8; i++)
> +             fputc(m & 1 << i ? '1' : '0', stdout);
> +     puts("");
> +     for(i = 0; i < sizeof(int) * 8; i++)
> +             fputc(TAGMASK & 1 << i ? '1' : '0', stdout);
> +     puts("aaa");
>  
> -     if(!sel)
> -             return;
> -     i = idxoftag(arg);
> -     sel->tags[i] = !sel->tags[i];
> -     for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
> -     if(j == LENGTH(tags))
> -             sel->tags[i] = True; /* at least one tag must be enabled */
> -     arrange();
> +     if(sel && (sel->tags ^ ((*(int *)arg) & TAGMASK))) {
> +             sel->tags ^= (*(int *)arg) & TAGMASK;
> +             arrange();
> +     }
>  }
>  
>  void
> -toggleview(const char *arg) {
> -     unsigned int i, j;
> -
> -     i = idxoftag(arg);
> -     tagset[seltags][i] = !tagset[seltags][i];
> -     for(j = 0; j < LENGTH(tags) && !tagset[seltags][j]; j++);
> -     if(j == LENGTH(tags))
> -             tagset[seltags][i] = True; /* at least one tag must be viewed */
> -     arrange();
> +toggleview(void *arg) {
> +     if((tagset[seltags] ^ ((*(int *)arg) & TAGMASK))) {
> +             tagset[seltags] ^= (*(int *)arg) & TAGMASK;
> +             arrange();
> +     }
>  }
>  
>  void
> @@ -1622,7 +1591,6 @@
>               focus(NULL);
>       XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
>       setclientstate(c, WithdrawnState);
> -     free(c->tags);
>       free(c);
>       XSync(dpy, False);
>       XSetErrorHandler(xerror);
> @@ -1769,15 +1737,16 @@
>  }
>  
>  void
> -view(const char *arg) {
> -     seltags ^= 1; /* toggle sel tagset */
> -     memset(tagset[seltags], (NULL == arg), TAGSZ);
> -     tagset[seltags][idxoftag(arg)] = True;
> -     arrange();
> +view(void *arg) {
> +     if(*(int *)arg & TAGMASK) {
> +             seltags ^= 1; /* toggle sel tagset */
> +             tagset[seltags] = *(int *)arg & TAGMASK;
> +             arrange();
> +     }
>  }
>  
>  void
> -viewprevtag(const char *arg) {
> +viewprevtag(void *arg) {
>       seltags ^= 1; /* toggle sel tagset */
>       arrange();
>  }
> @@ -1816,7 +1785,7 @@
>  }
>  
>  void
> -zoom(const char *arg) {
> +zoom(void *arg) {
>       Client *c = sel;
>  
>       if(c == nextunfloating(clients))


-- 
 Anselm R. Garbe >< http://www.suckless.org/ >< GPG key: 0D73F361

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