URI: 
       replaced Arg union with const char *arg, seems cleaner to me, even if we need atoi() in some places - dwm - dynamic window manager
  HTML git clone https://git.parazyd.org/dwm
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 2c477cf66147d369ae8ff17acdce743c6811ee6a
   DIR parent 986ca73074ef165880c75ee46a4eb6a1b328dc5b
  HTML Author: Anselm R. Garbe <arg@suckless.org>
       Date:   Thu, 22 Feb 2007 11:42:08 +0100
       
       replaced Arg union with const char *arg, seems cleaner to me, even if we need atoi() in some places
       Diffstat:
         M client.c                            |       4 ++--
         M config.arg.h                        |     108 ++++++++++++++++----------------
         M config.default.h                    |     102 ++++++++++++++++----------------
         M dwm.h                               |      35 +++++++++++++------------------
         M event.c                             |      28 +++++++++++++++-------------
         M layout.c                            |      38 +++++++++++++++++--------------
         M main.c                              |       2 +-
         M tag.c                               |      50 +++++++++++++++++--------------
         M util.c                              |       8 ++++----
       
       9 files changed, 190 insertions(+), 185 deletions(-)
       ---
   DIR diff --git a/client.c b/client.c
       @@ -153,7 +153,7 @@ focus(Client *c) {
        }
        
        void
       -killclient(Arg arg) {
       +killclient(const char *arg) {
                if(!sel)
                        return;
                if(isprotodel(sel))
       @@ -285,7 +285,7 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
        }
        
        void
       -toggleversatile(Arg arg) {
       +toggleversatile(const char *arg) {
                if(!sel || lt->arrange == versatile)
                        return;
                sel->isversatile = !sel->isversatile;
   DIR diff --git a/config.arg.h b/config.arg.h
       @@ -42,59 +42,59 @@ static Layout layout[] = { \
        static Key key[] = { \
                /* modifier                        key                function        argument */ \
                { MODKEY,                        XK_p,                spawn, \
       -                { .cmd = "exe=\"$(lsx `echo $PATH | sed 's/:/ /g'` | sort -u " \
       -                        " | dmenu -fn '"FONT"' -nb '"NORMBGCOLOR"' -nf '"NORMFGCOLOR"' " \
       -                        "-sb '"SELBGCOLOR"' -sf '"SELFGCOLOR"')\" && exec $exe" } }, \
       +                "exe=\"$(lsx `echo $PATH | sed 's/:/ /g'` | sort -u " \
       +                " | dmenu -fn '"FONT"' -nb '"NORMBGCOLOR"' -nf '"NORMFGCOLOR"' " \
       +                "-sb '"SELBGCOLOR"' -sf '"SELFGCOLOR"')\" && exec $exe" }, \
                { MODKEY|ShiftMask,                XK_Return,        spawn, \
       -                { .cmd = "exec urxvtcd -tr -bg '#292929' -fg '#eee' -cr '#eee' +sb -fn '"FONT"'" } }, \
       -        { MODKEY,                        XK_space,        setlayout,        { .i = -1 } }, \
       -        { MODKEY,                        XK_d,                incnmaster,        { .i = -1 } }, \
       -        { MODKEY,                        XK_i,                incnmaster,        { .i = 1 } }, \
       -        { MODKEY,                        XK_h,                incmasterw,        { .i = -15 } }, \
       -        { MODKEY,                        XK_l,                incmasterw,        { .i = 15 } }, \
       -        { MODKEY,                        XK_j,                focusnext,        { 0 } }, \
       -        { MODKEY,                        XK_k,                focusprev,        { 0 } }, \
       -        { MODKEY,                        XK_m,                togglemax,        { 0 } }, \
       -        { MODKEY,                        XK_Return,        zoom,                { 0 } }, \
       -        { MODKEY|ShiftMask,                XK_space,        toggleversatile,{ 0 } }, \
       -        { MODKEY|ShiftMask,                XK_c,                killclient,        { 0 } }, \
       -        { MODKEY,                        XK_0,                view,                { .i = -1 } }, \
       -        { MODKEY,                        XK_1,                view,                { .i = 0 } }, \
       -        { MODKEY,                        XK_2,                view,                { .i = 1 } }, \
       -        { MODKEY,                        XK_3,                view,                { .i = 2 } }, \
       -        { MODKEY,                        XK_4,                view,                { .i = 3 } }, \
       -        { MODKEY,                        XK_5,                view,                { .i = 4 } }, \
       -        { MODKEY,                        XK_6,                view,                { .i = 5 } }, \
       -        { MODKEY,                        XK_7,                view,                { .i = 6 } }, \
       -        { MODKEY,                        XK_8,                view,                { .i = 7 } }, \
       -        { MODKEY,                        XK_9,                view,                { .i = 8 } }, \
       -        { MODKEY|ControlMask,                XK_1,                toggleview,        { .i = 0 } }, \
       -        { MODKEY|ControlMask,                XK_2,                toggleview,        { .i = 1 } }, \
       -        { MODKEY|ControlMask,                XK_3,                toggleview,        { .i = 2 } }, \
       -        { MODKEY|ControlMask,                XK_4,                toggleview,        { .i = 3 } }, \
       -        { MODKEY|ControlMask,                XK_5,                toggleview,        { .i = 4 } }, \
       -        { MODKEY|ControlMask,                XK_6,                toggleview,        { .i = 5 } }, \
       -        { MODKEY|ControlMask,                XK_7,                toggleview,        { .i = 6 } }, \
       -        { MODKEY|ControlMask,                XK_8,                toggleview,        { .i = 7 } }, \
       -        { MODKEY|ControlMask,                XK_9,                toggleview,        { .i = 8 } }, \
       -        { MODKEY|ShiftMask,                XK_0,                tag,                { .i = -1 } }, \
       -        { MODKEY|ShiftMask,                XK_1,                tag,                { .i = 0 } }, \
       -        { MODKEY|ShiftMask,                XK_2,                tag,                { .i = 1 } }, \
       -        { MODKEY|ShiftMask,                XK_3,                tag,                { .i = 2 } }, \
       -        { MODKEY|ShiftMask,                XK_4,                tag,                { .i = 3 } }, \
       -        { MODKEY|ShiftMask,                XK_5,                tag,                { .i = 4 } }, \
       -        { MODKEY|ShiftMask,                XK_6,                tag,                { .i = 5 } }, \
       -        { MODKEY|ShiftMask,                XK_7,                tag,                { .i = 6 } }, \
       -        { MODKEY|ShiftMask,                XK_8,                tag,                { .i = 7 } }, \
       -        { MODKEY|ShiftMask,                XK_9,                tag,                { .i = 8 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_1,                toggletag,        { .i = 0 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_2,                toggletag,        { .i = 1 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_3,                toggletag,        { .i = 2 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_4,                toggletag,        { .i = 3 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_5,                toggletag,        { .i = 4 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_6,                toggletag,        { .i = 5 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_7,                toggletag,        { .i = 6 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_8,                toggletag,        { .i = 7 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_9,                toggletag,        { .i = 8 } }, \
       -        { MODKEY|ShiftMask,                XK_q,                quit,                { 0 } }, \
       +                "exec urxvtcd -tr -bg '#292929' -fg '#eee' -cr '#eee' +sb -fn '"FONT"'" }, \
       +        { MODKEY,                        XK_space,        setlayout,        NULL }, \
       +        { MODKEY,                        XK_d,                incnmaster,        "-1" }, \
       +        { MODKEY,                        XK_i,                incnmaster,        "1" }, \
       +        { MODKEY,                        XK_h,                incmasterw,        "-15" }, \
       +        { MODKEY,                        XK_l,                incmasterw,        "15" }, \
       +        { MODKEY,                        XK_j,                focusnext,        NULL }, \
       +        { MODKEY,                        XK_k,                focusprev,        NULL }, \
       +        { MODKEY,                        XK_m,                togglemax,        NULL }, \
       +        { MODKEY,                        XK_Return,        zoom,                NULL }, \
       +        { MODKEY|ShiftMask,                XK_space,        toggleversatile,NULL }, \
       +        { MODKEY|ShiftMask,                XK_c,                killclient,        NULL }, \
       +        { MODKEY,                        XK_0,                view,                NULL }, \
       +        { MODKEY,                        XK_1,                view,                "0" }, \
       +        { MODKEY,                        XK_2,                view,                "1" }, \
       +        { MODKEY,                        XK_3,                view,                "2" }, \
       +        { MODKEY,                        XK_4,                view,                "3" }, \
       +        { MODKEY,                        XK_5,                view,                "4" }, \
       +        { MODKEY,                        XK_6,                view,                "5" }, \
       +        { MODKEY,                        XK_7,                view,                "6" }, \
       +        { MODKEY,                        XK_8,                view,                "7" }, \
       +        { MODKEY,                        XK_9,                view,                "8" }, \
       +        { MODKEY|ControlMask,                XK_1,                toggleview,        "0" }, \
       +        { MODKEY|ControlMask,                XK_2,                toggleview,        "1" }, \
       +        { MODKEY|ControlMask,                XK_3,                toggleview,        "2" }, \
       +        { MODKEY|ControlMask,                XK_4,                toggleview,        "3" }, \
       +        { MODKEY|ControlMask,                XK_5,                toggleview,        "4" }, \
       +        { MODKEY|ControlMask,                XK_6,                toggleview,        "5" }, \
       +        { MODKEY|ControlMask,                XK_7,                toggleview,        "6" }, \
       +        { MODKEY|ControlMask,                XK_8,                toggleview,        "7" }, \
       +        { MODKEY|ControlMask,                XK_9,                toggleview,        "8" }, \
       +        { MODKEY|ShiftMask,                XK_0,                tag,                NULL }, \
       +        { MODKEY|ShiftMask,                XK_1,                tag,                "0" }, \
       +        { MODKEY|ShiftMask,                XK_2,                tag,                "1" }, \
       +        { MODKEY|ShiftMask,                XK_3,                tag,                "2" }, \
       +        { MODKEY|ShiftMask,                XK_4,                tag,                "3" }, \
       +        { MODKEY|ShiftMask,                XK_5,                tag,                "4" }, \
       +        { MODKEY|ShiftMask,                XK_6,                tag,                "5" }, \
       +        { MODKEY|ShiftMask,                XK_7,                tag,                "6" }, \
       +        { MODKEY|ShiftMask,                XK_8,                tag,                "7" }, \
       +        { MODKEY|ShiftMask,                XK_9,                tag,                "8" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_1,                toggletag,        "0" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_2,                toggletag,        "1" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_3,                toggletag,        "2" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_4,                toggletag,        "3" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_5,                toggletag,        "4" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_6,                toggletag,        "5" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_7,                toggletag,        "6" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_8,                toggletag,        "7" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_9,                toggletag,        "8" }, \
       +        { MODKEY|ShiftMask,                XK_q,                quit,                NULL }, \
        };
   DIR diff --git a/config.default.h b/config.default.h
       @@ -42,55 +42,55 @@ static Layout layout[] = { \
        #define KEYS \
        static Key key[] = { \
                /* modifier                        key                function        argument */ \
       -        { MODKEY|ShiftMask,                XK_Return,        spawn,                { .cmd = "exec xterm" } }, \
       -        { MODKEY,                        XK_space,        setlayout,        { .i = -1 } }, \
       -        { MODKEY,                        XK_d,                incnmaster,        { .i = -1 } }, \
       -        { MODKEY,                        XK_i,                incnmaster,        { .i = 1 } }, \
       -        { MODKEY,                        XK_h,                incmasterw,        { .i = -15 } }, \
       -        { MODKEY,                        XK_l,                incmasterw,        { .i = 15 } }, \
       -        { MODKEY,                        XK_j,                focusnext,        { 0 } }, \
       -        { MODKEY,                        XK_k,                focusprev,        { 0 } }, \
       -        { MODKEY,                        XK_m,                togglemax,        { 0 } }, \
       -        { MODKEY,                        XK_Return,        zoom,                { 0 } }, \
       -        { MODKEY|ShiftMask,                XK_space,        toggleversatile,{ 0 } }, \
       -        { MODKEY|ShiftMask,                XK_c,                killclient,        { 0 } }, \
       -        { MODKEY,                        XK_0,                view,                { .i = -1 } }, \
       -        { MODKEY,                        XK_1,                view,                { .i = 0 } }, \
       -        { MODKEY,                        XK_2,                view,                { .i = 1 } }, \
       -        { MODKEY,                        XK_3,                view,                { .i = 2 } }, \
       -        { MODKEY,                        XK_4,                view,                { .i = 3 } }, \
       -        { MODKEY,                        XK_5,                view,                { .i = 4 } }, \
       -        { MODKEY,                        XK_6,                view,                { .i = 5 } }, \
       -        { MODKEY,                        XK_7,                view,                { .i = 6 } }, \
       -        { MODKEY,                        XK_8,                view,                { .i = 7 } }, \
       -        { MODKEY,                        XK_9,                view,                { .i = 8 } }, \
       -        { MODKEY|ControlMask,                XK_1,                toggleview,        { .i = 0 } }, \
       -        { MODKEY|ControlMask,                XK_2,                toggleview,        { .i = 1 } }, \
       -        { MODKEY|ControlMask,                XK_3,                toggleview,        { .i = 2 } }, \
       -        { MODKEY|ControlMask,                XK_4,                toggleview,        { .i = 3 } }, \
       -        { MODKEY|ControlMask,                XK_5,                toggleview,        { .i = 4 } }, \
       -        { MODKEY|ControlMask,                XK_6,                toggleview,        { .i = 5 } }, \
       -        { MODKEY|ControlMask,                XK_7,                toggleview,        { .i = 6 } }, \
       -        { MODKEY|ControlMask,                XK_8,                toggleview,        { .i = 7 } }, \
       -        { MODKEY|ControlMask,                XK_9,                toggleview,        { .i = 8 } }, \
       -        { MODKEY|ShiftMask,                XK_0,                tag,                { .i = -1 } }, \
       -        { MODKEY|ShiftMask,                XK_1,                tag,                { .i = 0 } }, \
       -        { MODKEY|ShiftMask,                XK_2,                tag,                { .i = 1 } }, \
       -        { MODKEY|ShiftMask,                XK_3,                tag,                { .i = 2 } }, \
       -        { MODKEY|ShiftMask,                XK_4,                tag,                { .i = 3 } }, \
       -        { MODKEY|ShiftMask,                XK_5,                tag,                { .i = 4 } }, \
       -        { MODKEY|ShiftMask,                XK_6,                tag,                { .i = 5 } }, \
       -        { MODKEY|ShiftMask,                XK_7,                tag,                { .i = 6 } }, \
       -        { MODKEY|ShiftMask,                XK_8,                tag,                { .i = 7 } }, \
       -        { MODKEY|ShiftMask,                XK_9,                tag,                { .i = 8 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_1,                toggletag,        { .i = 0 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_2,                toggletag,        { .i = 1 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_3,                toggletag,        { .i = 2 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_4,                toggletag,        { .i = 3 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_5,                toggletag,        { .i = 4 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_6,                toggletag,        { .i = 5 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_7,                toggletag,        { .i = 6 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_8,                toggletag,        { .i = 7 } }, \
       -        { MODKEY|ControlMask|ShiftMask,        XK_9,                toggletag,        { .i = 8 } }, \
       -        { MODKEY|ShiftMask,                XK_q,                quit,                { 0 } }, \
       +        { MODKEY|ShiftMask,                XK_Return,        spawn,                "exec xterm" }, \
       +        { MODKEY,                        XK_space,        setlayout,        NULL }, \
       +        { MODKEY,                        XK_d,                incnmaster,        "-1" }, \
       +        { MODKEY,                        XK_i,                incnmaster,        "1" }, \
       +        { MODKEY,                        XK_h,                incmasterw,        "-15" }, \
       +        { MODKEY,                        XK_l,                incmasterw,        "15" }, \
       +        { MODKEY,                        XK_j,                focusnext,        NULL }, \
       +        { MODKEY,                        XK_k,                focusprev,        NULL }, \
       +        { MODKEY,                        XK_m,                togglemax,        NULL }, \
       +        { MODKEY,                        XK_Return,        zoom,                NULL }, \
       +        { MODKEY|ShiftMask,                XK_space,        toggleversatile,NULL }, \
       +        { MODKEY|ShiftMask,                XK_c,                killclient,        NULL }, \
       +        { MODKEY,                        XK_0,                view,                NULL }, \
       +        { MODKEY,                        XK_1,                view,                "0" }, \
       +        { MODKEY,                        XK_2,                view,                "1" }, \
       +        { MODKEY,                        XK_3,                view,                "2" }, \
       +        { MODKEY,                        XK_4,                view,                "3" }, \
       +        { MODKEY,                        XK_5,                view,                "4" }, \
       +        { MODKEY,                        XK_6,                view,                "5" }, \
       +        { MODKEY,                        XK_7,                view,                "6" }, \
       +        { MODKEY,                        XK_8,                view,                "7" }, \
       +        { MODKEY,                        XK_9,                view,                "8" }, \
       +        { MODKEY|ControlMask,                XK_1,                toggleview,        "0" }, \
       +        { MODKEY|ControlMask,                XK_2,                toggleview,        "1" }, \
       +        { MODKEY|ControlMask,                XK_3,                toggleview,        "2" }, \
       +        { MODKEY|ControlMask,                XK_4,                toggleview,        "3" }, \
       +        { MODKEY|ControlMask,                XK_5,                toggleview,        "4" }, \
       +        { MODKEY|ControlMask,                XK_6,                toggleview,        "5" }, \
       +        { MODKEY|ControlMask,                XK_7,                toggleview,        "6" }, \
       +        { MODKEY|ControlMask,                XK_8,                toggleview,        "7" }, \
       +        { MODKEY|ControlMask,                XK_9,                toggleview,        "8" }, \
       +        { MODKEY|ShiftMask,                XK_0,                tag,                NULL }, \
       +        { MODKEY|ShiftMask,                XK_1,                tag,                "0" }, \
       +        { MODKEY|ShiftMask,                XK_2,                tag,                "1" }, \
       +        { MODKEY|ShiftMask,                XK_3,                tag,                "2" }, \
       +        { MODKEY|ShiftMask,                XK_4,                tag,                "3" }, \
       +        { MODKEY|ShiftMask,                XK_5,                tag,                "4" }, \
       +        { MODKEY|ShiftMask,                XK_6,                tag,                "5" }, \
       +        { MODKEY|ShiftMask,                XK_7,                tag,                "6" }, \
       +        { MODKEY|ShiftMask,                XK_8,                tag,                "7" }, \
       +        { MODKEY|ShiftMask,                XK_9,                tag,                "8" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_1,                toggletag,        "0" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_2,                toggletag,        "1" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_3,                toggletag,        "2" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_4,                toggletag,        "3" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_5,                toggletag,        "4" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_6,                toggletag,        "5" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_7,                toggletag,        "6" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_8,                toggletag,        "7" }, \
       +        { MODKEY|ControlMask|ShiftMask,        XK_9,                toggletag,        "8" }, \
       +        { MODKEY|ShiftMask,                XK_q,                quit,                NULL }, \
        };
   DIR diff --git a/dwm.h b/dwm.h
       @@ -41,11 +41,6 @@ enum { WMProtocols, WMDelete, WMState, WMLast };        /* default atoms */
        enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
        enum { ColBorder, ColFG, ColBG, ColLast };                /* color */
        
       -typedef union {
       -        const char *cmd;
       -        int i;
       -} Arg; /* argument type */
       -
        typedef struct {
                int ascent;
                int descent;
       @@ -106,11 +101,11 @@ extern void attach(Client *c);                        /* attaches c to global client list */
        extern void configure(Client *c);                /* send synthetic configure event */
        extern void detach(Client *c);                        /* detaches c from global client list */
        extern void focus(Client *c);                        /* focus c, c may be NULL */
       -extern void killclient(Arg arg);                /* kill c nicely */
       +extern void killclient(const char *arg);                /* kill c nicely */
        extern void manage(Window w, XWindowAttributes *wa);        /* manage new client */
        extern void resize(Client *c, int x, int y,
                        int w, int h, Bool sizehints);        /* resize with given coordinates c*/
       -extern void toggleversatile(Arg arg);                /* toggles focused client between versatile/and non-versatile state */
       +extern void toggleversatile(const char *arg);                /* toggles focused client between versatile/and non-versatile state */
        extern void updatesizehints(Client *c);                /* update the size hint variables of c */
        extern void updatetitle(Client *c);                /* update the name of c */
        extern void unmanage(Client *c);                /* destroy c */
       @@ -125,19 +120,19 @@ extern unsigned int textw(const char *text);        /* return the width of text in px*/
        extern void grabkeys(void);                        /* grab all keys defined in config.h */
        
        /* layout.c */
       -extern void focusnext(Arg arg);                /* focuses next visible client, arg is ignored  */
       -extern void focusprev(Arg arg);                /* focuses previous visible client, arg is ignored */
       -extern void incmasterw(Arg arg);                /* increments the master width with arg's index value */
       -extern void incnmaster(Arg arg);                /* increments nmaster with arg's index value */
       +extern void focusnext(const char *arg);                /* focuses next visible client, arg is ignored  */
       +extern void focusprev(const char *arg);                /* focuses previous visible client, arg is ignored */
       +extern void incmasterw(const char *arg);                /* increments the master width with arg's index value */
       +extern void incnmaster(const char *arg);                /* increments nmaster with arg's index value */
        extern void initlayouts(void);                        /* initialize layout array */
        extern Client *nexttiled(Client *c);                /* returns tiled successor of c */
        extern void restack(void);                        /* restores z layers of all clients */
       -extern void setlayout(Arg arg);                /* sets layout, -1 toggles */
       -extern void togglemax(Arg arg);                        /* toggles maximization of versatile client */
       +extern void setlayout(const char *arg);                /* sets layout, -1 toggles */
       +extern void togglemax(const char *arg);                        /* toggles maximization of versatile client */
        extern void versatile(void);                        /* arranges all windows versatile */
        
        /* main.c */
       -extern void quit(Arg arg);                        /* quit dwm nicely */
       +extern void quit(const char *arg);                        /* quit dwm nicely */
        extern void sendevent(Window w, Atom a, long value);        /* send synthetic event to w */
        extern int xerror(Display *dsply, XErrorEvent *ee);        /* dwm's X error handler */
        
       @@ -145,14 +140,14 @@ extern int xerror(Display *dsply, XErrorEvent *ee);        /* dwm's X error handler */
        extern void compileregs(void);                        /* initialize regexps of rules defined in config.h */
        extern Bool isvisible(Client *c);                /* returns True if client is visible */
        extern void settags(Client *c, Client *trans);        /* sets tags of c */
       -extern void tag(Arg arg);                        /* tags c with arg's index */
       -extern void toggletag(Arg arg);                /* toggles c tags with arg's index */
       -extern void toggleview(Arg arg);                /* toggles the tag with arg's index (in)visible */
       -extern void view(Arg arg);                        /* views the tag with arg's index */
       -extern void zoom(Arg arg);                        /* zooms the focused client to master area, arg is ignored */
       +extern void tag(const char *arg);                        /* tags c with arg's index */
       +extern void toggletag(const char *arg);                /* toggles c tags with arg's index */
       +extern void toggleview(const char *arg);                /* toggles the tag with arg's index (in)visible */
       +extern void view(const char *arg);                        /* views the tag with arg's index */
       +extern void zoom(const char *arg);                        /* zooms the focused client to master area, arg is ignored */
        
        /* util.c */
        extern void *emallocz(unsigned int size);        /* allocates zero-initialized memory, exits on error */
        extern void eprint(const char *errstr, ...);        /* prints errstr and exits with 1 */
       -extern void spawn(Arg arg);                        /* forks a new subprocess with arg's cmd */
       +extern void spawn(const char *arg);                        /* forks a new subprocess with arg's cmd */
        
   DIR diff --git a/event.c b/event.c
       @@ -2,6 +2,7 @@
         * See LICENSE file for license details.
         */
        #include "dwm.h"
       +#include <stdio.h>
        #include <stdlib.h>
        #include <X11/keysym.h>
        #include <X11/Xatom.h>
       @@ -11,8 +12,8 @@
        typedef struct {
                unsigned long mod;
                KeySym keysym;
       -        void (*func)(Arg arg);
       -        Arg arg;
       +        void (*func)(const char *arg);
       +        const char *arg;
        } Key;
        
        KEYS
       @@ -112,27 +113,29 @@ resizemouse(Client *c) {
        
        static void
        buttonpress(XEvent *e) {
       -        int x;
       -        Arg a;
       +        static char arg[8];
       +        int i, x;
                Client *c;
                XButtonPressedEvent *ev = &e->xbutton;
        
       +        arg[0] = 0;
                if(barwin == ev->window) {
                        x = 0;
       -                for(a.i = 0; a.i < ntags; a.i++) {
       -                        x += textw(tags[a.i]);
       +                for(i = 0; i < ntags; i++) {
       +                        x += textw(tags[i]);
                                if(ev->x < x) {
       +                                snprintf(arg, sizeof arg, "%d", i);
                                        if(ev->button == Button1) {
                                                if(ev->state & MODKEY)
       -                                                tag(a);
       +                                                tag(arg);
                                                else
       -                                                view(a);
       +                                                view(arg);
                                        }
                                        else if(ev->button == Button3) {
                                                if(ev->state & MODKEY)
       -                                                toggletag(a);
       +                                                toggletag(arg);
                                                else
       -                                                toggleview(a);
       +                                                toggleview(arg);
                                        }
                                        return;
                                }
       @@ -140,8 +143,7 @@ buttonpress(XEvent *e) {
                        if(ev->x < x + blw)
                                switch(ev->button) {
                                case Button1:
       -                                a.i = -1;
       -                                setlayout(a);
       +                                setlayout("-1");
                                        break;
                                }
                }
       @@ -154,7 +156,7 @@ buttonpress(XEvent *e) {
                                movemouse(c);
                        }
                        else if(ev->button == Button2)
       -                        zoom(a);
       +                        zoom(NULL);
                        else if(ev->button == Button3
                        && (lt->arrange == versatile || c->isversatile) && !c->isfixed)
                        {
   DIR diff --git a/layout.c b/layout.c
       @@ -69,7 +69,7 @@ LAYOUTS
        /* extern */
        
        void
       -focusnext(Arg arg) {
       +focusnext(const char *arg) {
                Client *c;
           
                if(!sel)
       @@ -84,7 +84,7 @@ focusnext(Arg arg) {
        }
        
        void
       -focusprev(Arg arg) {
       +focusprev(const char *arg) {
                Client *c;
        
                if(!sel)
       @@ -101,26 +101,29 @@ focusprev(Arg arg) {
        }
        
        void
       -incmasterw(Arg arg) {
       +incmasterw(const char *arg) {
       +        int i;
                if(lt->arrange != tile)
                        return;
       -        if(arg.i == 0)
       +        if(!arg)
                        masterw = MASTERWIDTH;
                else {
       -                if(waw * (masterw + arg.i) / 1000 >= waw - 2 * BORDERPX
       -                || waw * (masterw + arg.i) / 1000 <= 2 * BORDERPX)
       +                i = atoi(arg);
       +                if(waw * (masterw + i) / 1000 >= waw - 2 * BORDERPX
       +                || waw * (masterw + i) / 1000 <= 2 * BORDERPX)
                                return;
       -                masterw += arg.i;
       +                masterw += i;
                }
                lt->arrange();
        }
        
        void
       -incnmaster(Arg arg) {
       -        if((lt->arrange != tile) || (nmaster + arg.i < 1)
       -        || (wah / (nmaster + arg.i) <= 2 * BORDERPX))
       +incnmaster(const char *arg) {
       +        int i = arg ? atoi(arg) : 0;
       +        if((lt->arrange != tile) || (nmaster + i < 1)
       +        || (wah / (nmaster + i) <= 2 * BORDERPX))
                        return;
       -        nmaster += arg.i;
       +        nmaster += i;
                if(sel)
                        lt->arrange();
                else
       @@ -170,10 +173,10 @@ restack(void) {
        }
        
        void
       -setlayout(Arg arg) {
       +setlayout(const char *arg) {
                unsigned int i;
        
       -        if(arg.i == -1) {
       +        if(!arg) {
                        for(i = 0; i < nlayouts && lt != &layout[i]; i++);
                        if(i == nlayouts - 1)
                                lt = &layout[0];
       @@ -181,9 +184,10 @@ setlayout(Arg arg) {
                                lt = &layout[++i];
                }
                else {
       -                if(arg.i < 0 || arg.i >= nlayouts)
       +                i = atoi(arg);
       +                if(i < 0 || i >= nlayouts)
                                return;
       -                lt = &layout[arg.i];
       +                lt = &layout[i];
                }
                if(sel)
                        lt->arrange();
       @@ -192,7 +196,7 @@ setlayout(Arg arg) {
        }
        
        void
       -togglemax(Arg arg) {
       +togglemax(const char *arg) {
                XEvent ev;
        
                if(!sel || (lt->arrange != versatile && !sel->isversatile) || sel->isfixed)
       @@ -234,7 +238,7 @@ versatile(void) {
        }
        
        void
       -zoom(Arg arg) {
       +zoom(const char *arg) {
                unsigned int n;
                Client *c;
        
   DIR diff --git a/main.c b/main.c
       @@ -236,7 +236,7 @@ sendevent(Window w, Atom a, long value) {
        }
        
        void
       -quit(Arg arg) {
       +quit(const char *arg) {
                readin = running = False;
        }
        
   DIR diff --git a/tag.c b/tag.c
       @@ -102,49 +102,53 @@ settags(Client *c, Client *trans) {
        }
        
        void
       -tag(Arg arg) {
       -        unsigned int i;
       +tag(const char *arg) {
       +        int i;
        
                if(!sel)
                        return;
                for(i = 0; i < ntags; i++)
       -                sel->tags[i] = (arg.i == -1) ? True : False;
       -        if(arg.i >= 0 && arg.i < ntags)
       -                sel->tags[arg.i] = True;
       +                sel->tags[i] = arg ? False : True;
       +        i = arg ? atoi(arg) : 0;
       +        if(i >= 0 && i < ntags)
       +                sel->tags[i] = True;
                lt->arrange();
        }
        
        void
       -toggletag(Arg arg) {
       -        unsigned int i;
       +toggletag(const char *arg) {
       +        int i, j;
        
                if(!sel)
                        return;
       -        sel->tags[arg.i] = !sel->tags[arg.i];
       -        for(i = 0; i < ntags && !sel->tags[i]; i++);
       -        if(i == ntags)
       -                sel->tags[arg.i] = True;
       +        i = arg ? atoi(arg) : 0;
       +        sel->tags[i] = !sel->tags[i];
       +        for(j = 0; j < ntags && !sel->tags[j]; j++);
       +        if(j == ntags)
       +                sel->tags[i] = True;
                lt->arrange();
        }
        
        void
       -toggleview(Arg arg) {
       -        unsigned int i;
       -
       -        seltag[arg.i] = !seltag[arg.i];
       -        for(i = 0; i < ntags && !seltag[i]; i++);
       -        if(i == ntags)
       -                seltag[arg.i] = True; /* cannot toggle last view */
       +toggleview(const char *arg) {
       +        int i, j;
       +
       +        i = arg ? atoi(arg) : 0;
       +        seltag[i] = !seltag[i];
       +        for(j = 0; j < ntags && !seltag[j]; i++);
       +        if(j == ntags)
       +                seltag[i] = True; /* cannot toggle last view */
                lt->arrange();
        }
        
        void
       -view(Arg arg) {
       -        unsigned int i;
       +view(const char *arg) {
       +        int i;
        
                for(i = 0; i < ntags; i++)
       -                seltag[i] = (arg.i == -1) ? True : False;
       -        if(arg.i >= 0 && arg.i < ntags)
       -                seltag[arg.i] = True;
       +                seltag[i] = arg ? False : True;
       +        i = arg ? atoi(arg) : 0;
       +        if(i >= 0 && i < ntags)
       +                seltag[i] = True;
                lt->arrange();
        }
   DIR diff --git a/util.c b/util.c
       @@ -30,12 +30,12 @@ eprint(const char *errstr, ...) {
        }
        
        void
       -spawn(Arg arg) {
       +spawn(const char *arg) {
                static char *shell = NULL;
        
                if(!shell && !(shell = getenv("SHELL")))
                        shell = "/bin/sh";
       -        if(!arg.cmd)
       +        if(!arg)
                        return;
                /* The double-fork construct avoids zombie processes and keeps the code
                 * clean from stupid signal handlers. */
       @@ -44,8 +44,8 @@ spawn(Arg arg) {
                                if(dpy)
                                        close(ConnectionNumber(dpy));
                                setsid();
       -                        execl(shell, shell, "-c", arg.cmd, (char *)NULL);
       -                        fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg.cmd);
       +                        execl(shell, shell, "-c", arg, (char *)NULL);
       +                        fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg);
                                perror(" failed");
                        }
                        exit(0);