dmenu: style improvements

- move main to bottom, usage above main.
- dont use variable names with function prototypes.
- space before if, for, while, etc: 'if(' -> 'if ('.

this makes the code-style more consistent

1 files changed, 213 insertions, 204 deletions

diff --git a/dmenu.c b/dmenu.c
index 9e78e83..49a6583 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -35,16 +35,16 @@ struct Item {
         bool out;
 };
 
-static void appenditem(Item *item, Item **list, Item **last);
+static void appenditem(Item *, Item **, Item **);
 static void calcoffsets(void);
-static char *cistrstr(const char *s, const char *sub);
+static char *cistrstr(const char *, const char *);
 static void cleanup(void);
 static void drawmenu(void);
 static void grabkeyboard(void);
-static void insert(const char *str, ssize_t n);
-static void keypress(XKeyEvent *ev);
+static void insert(const char *, ssize_t);
+static void keypress(XKeyEvent *);
 static void match(void);
-static size_t nextrune(int inc);
+static size_t nextrune(int);
 static void paste(void);
 static void readstdin(void);
 static void run(void);
@@ -53,100 +53,31 @@ static void usage(void);
 
 static char text[BUFSIZ] = "";
 static int bh, mw, mh;
+static int sw, sh; /* X display screen geometry width, height */
 static int inputw, promptw;
-static size_t cursor = 0;
-static Atom clip, utf8;
+static size_t cursor;
 static Item *items = NULL;
 static Item *matches, *matchend;
 static Item *prev, *curr, *next, *sel;
-static Window win;
+static int mon = -1, screen;
+
+static Atom clip, utf8;
+static Display *dpy;
+static Window root, win;
 static XIC xic;
-static int mon = -1;
 
 static ClrScheme scheme[SchemeLast];
-static Display *dpy;
-static int screen;
-static Window root;
 static Drw *drw;
-static int sw, sh; /* X display screen geometry width, height */
 
 #include "config.h"
 
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 
-int
-main(int argc, char *argv[]) {
-        bool fast = false;
-        int i;
-
-        for(i = 1; i < argc; i++)
-                /* these options take no arguments */
-                if(!strcmp(argv[i], "-v")) {      /* prints version information */
-                        puts("dmenu-"VERSION", © 2006-2015 dmenu engineers, see LICENSE for details");
-                        exit(0);
-                }
-                else if(!strcmp(argv[i], "-b"))   /* appears at the bottom of the screen */
-                        topbar = false;
-                else if(!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
-                        fast = true;
-                else if(!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
-                        fstrncmp = strncasecmp;
-                        fstrstr = cistrstr;
-                }
-                else if(i+1 == argc)
-                        usage();
-                /* these options take one argument */
-                else if(!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
-                        lines = atoi(argv[++i]);
-                else if(!strcmp(argv[i], "-m"))
-                        mon = atoi(argv[++i]);
-                else if(!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
-                        prompt = argv[++i];
-                else if(!strcmp(argv[i], "-fn"))  /* font or font set */
-                        fonts[0] = argv[++i];
-                else if(!strcmp(argv[i], "-nb"))  /* normal background color */
-                        normbgcolor = argv[++i];
-                else if(!strcmp(argv[i], "-nf"))  /* normal foreground color */
-                        normfgcolor = argv[++i];
-                else if(!strcmp(argv[i], "-sb"))  /* selected background color */
-                        selbgcolor = argv[++i];
-                else if(!strcmp(argv[i], "-sf"))  /* selected foreground color */
-                        selfgcolor = argv[++i];
-                else
-                        usage();
-
-        if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
-                fputs("warning: no locale support\n", stderr);
-        if(!(dpy = XOpenDisplay(NULL)))
-                die("dmenu: cannot open display\n");
-        screen = DefaultScreen(dpy);
-        root = RootWindow(dpy, screen);
-        sw = DisplayWidth(dpy, screen);
-        sh = DisplayHeight(dpy, screen);
-        drw = drw_create(dpy, screen, root, sw, sh);
-        drw_load_fonts(drw, fonts, LENGTH(fonts));
-        if(!drw->fontcount)
-                die("No fonts could be loaded.\n");
-        drw_setscheme(drw, &scheme[SchemeNorm]);
-
-        if(fast) {
-                grabkeyboard();
-                readstdin();
-        }
-        else {
-                readstdin();
-                grabkeyboard();
-        }
-        setup();
-        run();
-
-        return 1; /* unreachable */
-}
-
-void
-appenditem(Item *item, Item **list, Item **last) {
-        if(*last)
+static void
+appenditem(Item *item, Item **list, Item **last)
+{
+        if (*last)
                 (*last)->right = item;
         else
                 *list = item;
@@ -156,25 +87,27 @@ appenditem(Item *item, Item **list, Item **last) {
         *last = item;
 }
 
-void
-calcoffsets(void) {
+static void
+calcoffsets(void)
+{
         int i, n;
 
-        if(lines > 0)
+        if (lines > 0)
                 n = lines * bh;
         else
                 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
         /* calculate which items will begin the next page and previous page */
-        for(i = 0, next = curr; next; next = next->right)
-                if((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
+        for (i = 0, next = curr; next; next = next->right)
+                if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
                         break;
-        for(i = 0, prev = curr; prev && prev->left; prev = prev->left)
-                if((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
+        for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
+                if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
                         break;
 }
 
-void
-cleanup(void) {
+static void
+cleanup(void)
+{
         XUngrabKey(dpy, AnyKey, AnyModifier, root);
         drw_clr_free(scheme[SchemeNorm].bg);
         drw_clr_free(scheme[SchemeNorm].fg);
@@ -187,18 +120,20 @@ cleanup(void) {
         XCloseDisplay(dpy);
 }
 
-char *
-cistrstr(const char *s, const char *sub) {
+static char *
+cistrstr(const char *s, const char *sub)
+{
         size_t len;
 
-        for(len = strlen(sub); *s; s++)
-                if(!strncasecmp(s, sub, len))
+        for (len = strlen(sub); *s; s++)
+                if (!strncasecmp(s, sub, len))
                         return (char *)s;
         return NULL;
 }
 
-void
-drawmenu(void) {
+static void
+drawmenu(void)
+{
         int curpos;
         Item *item;
         int x = 0, y = 0, h = bh, w;
@@ -206,7 +141,7 @@ drawmenu(void) {
         drw_setscheme(drw, &scheme[SchemeNorm]);
         drw_rect(drw, 0, 0, mw, mh, 1, 1, 1);
 
-        if(prompt && *prompt) {
+        if (prompt && *prompt) {
                 drw_setscheme(drw, &scheme[SchemeSel]);
                 drw_text(drw, x, 0, promptw, bh, prompt, 0);
                 x += promptw;
@@ -216,41 +151,40 @@ drawmenu(void) {
         drw_setscheme(drw, &scheme[SchemeNorm]);
         drw_text(drw, x, 0, w, bh, text, 0);
 
-        if((curpos = TEXTNW(text, cursor) + bh/2 - 2) < w) {
+        if ((curpos = TEXTNW(text, cursor) + bh / 2 - 2) < w) {
                 drw_setscheme(drw, &scheme[SchemeNorm]);
                 drw_rect(drw, x + curpos + 2, 2, 1, bh - 4, 1, 1, 0);
         }
 
-        if(lines > 0) {
+        if (lines > 0) {
                 /* draw vertical list */
                 w = mw - x;
-                for(item = curr; item != next; item = item->right) {
+                for (item = curr; item != next; item = item->right) {
                         y += h;
-                        if(item == sel)
+                        if (item == sel)
                                 drw_setscheme(drw, &scheme[SchemeSel]);
-                        else if(item->out)
+                        else if (item->out)
                                 drw_setscheme(drw, &scheme[SchemeOut]);
                         else
                                 drw_setscheme(drw, &scheme[SchemeNorm]);
 
                         drw_text(drw, x, y, w, bh, item->text, 0);
                 }
-        }
-        else if(matches) {
+        } else if (matches) {
                 /* draw horizontal list */
                 x += inputw;
                 w = TEXTW("<");
-                if(curr->left) {
+                if (curr->left) {
                         drw_setscheme(drw, &scheme[SchemeNorm]);
                         drw_text(drw, x, 0, w, bh, "<", 0);
                 }
-                for(item = curr; item != next; item = item->right) {
+                for (item = curr; item != next; item = item->right) {
                         x += w;
                         w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
 
-                        if(item == sel)
+                        if (item == sel)
                                 drw_setscheme(drw, &scheme[SchemeSel]);
-                        else if(item->out)
+                        else if (item->out)
                                 drw_setscheme(drw, &scheme[SchemeOut]);
                         else
                                 drw_setscheme(drw, &scheme[SchemeNorm]);
@@ -258,7 +192,7 @@ drawmenu(void) {
                 }
                 w = TEXTW(">");
                 x = mw - w;
-                if(next) {
+                if (next) {
                         drw_setscheme(drw, &scheme[SchemeNorm]);
                         drw_text(drw, x, 0, w, bh, ">", 0);
                 }
@@ -266,13 +200,14 @@ drawmenu(void) {
         drw_map(drw, win, 0, 0, mw, mh);
 }
 
-void
-grabkeyboard(void) {
+static void
+grabkeyboard(void)
+{
         int i;
 
         /* try to grab keyboard, we may have to wait for another process to ungrab */
-        for(i = 0; i < 1000; i++) {
-                if(XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
+        for (i = 0; i < 1000; i++) {
+                if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
                                  GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
                         return;
                 usleep(1000);
@@ -280,29 +215,31 @@ grabkeyboard(void) {
         die("cannot grab keyboard\n");
 }
 
-void
-insert(const char *str, ssize_t n) {
-        if(strlen(text) + n > sizeof text - 1)
+static void
+insert(const char *str, ssize_t n)
+{
+        if (strlen(text) + n > sizeof text - 1)
                 return;
         /* move existing text out of the way, insert new text, and update cursor */
         memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
-        if(n > 0)
+        if (n > 0)
                 memcpy(&text[cursor], str, n);
         cursor += n;
         match();
 }
 
-void
-keypress(XKeyEvent *ev) {
+static void
+keypress(XKeyEvent *ev)
+{
         char buf[32];
         int len;
         KeySym ksym = NoSymbol;
         Status status;
 
         len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
-        if(status == XBufferOverflow)
+        if (status == XBufferOverflow)
                 return;
-        if(ev->state & ControlMask)
+        if (ev->state & ControlMask)
                 switch(ksym) {
                 case XK_a: ksym = XK_Home;      break;
                 case XK_b: ksym = XK_Left;      break;
@@ -328,9 +265,9 @@ keypress(XKeyEvent *ev) {
                         insert(NULL, 0 - cursor);
                         break;
                 case XK_w: /* delete word */
-                        while(cursor > 0 && text[nextrune(-1)] == ' ')
+                        while (cursor > 0 && text[nextrune(-1)] == ' ')
                                 insert(NULL, nextrune(-1) - cursor);
-                        while(cursor > 0 && text[nextrune(-1)] != ' ')
+                        while (cursor > 0 && text[nextrune(-1)] != ' ')
                                 insert(NULL, nextrune(-1) - cursor);
                         break;
                 case XK_y: /* paste selection */
@@ -346,7 +283,7 @@ keypress(XKeyEvent *ev) {
                 default:
                         return;
                 }
-        else if(ev->state & Mod1Mask)
+        else if (ev->state & Mod1Mask)
                 switch(ksym) {
                 case XK_g: ksym = XK_Home;  break;
                 case XK_G: ksym = XK_End;   break;
@@ -359,31 +296,31 @@ keypress(XKeyEvent *ev) {
                 }
         switch(ksym) {
         default:
-                if(!iscntrl(*buf))
+                if (!iscntrl(*buf))
                         insert(buf, len);
                 break;
         case XK_Delete:
-                if(text[cursor] == '\0')
+                if (text[cursor] == '\0')
                         return;
                 cursor = nextrune(+1);
                 /* fallthrough */
         case XK_BackSpace:
-                if(cursor == 0)
+                if (cursor == 0)
                         return;
                 insert(NULL, nextrune(-1) - cursor);
                 break;
         case XK_End:
-                if(text[cursor] != '\0') {
+                if (text[cursor] != '\0') {
                         cursor = strlen(text);
                         break;
                 }
-                if(next) {
+                if (next) {
                         /* jump to end of list and position items in reverse */
                         curr = matchend;
                         calcoffsets();
                         curr = prev;
                         calcoffsets();
-                        while(next && (curr = curr->right))
+                        while (next && (curr = curr->right))
                                 calcoffsets();
                 }
                 sel = matchend;
@@ -392,7 +329,7 @@ keypress(XKeyEvent *ev) {
                 cleanup();
                 exit(1);
         case XK_Home:
-                if(sel == matches) {
+                if (sel == matches) {
                         cursor = 0;
                         break;
                 }
@@ -400,27 +337,27 @@ keypress(XKeyEvent *ev) {
                 calcoffsets();
                 break;
         case XK_Left:
-                if(cursor > 0 && (!sel || !sel->left || lines > 0)) {
+                if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
                         cursor = nextrune(-1);
                         break;
                 }
-                if(lines > 0)
+                if (lines > 0)
                         return;
                 /* fallthrough */
         case XK_Up:
-                if(sel && sel->left && (sel = sel->left)->right == curr) {
+                if (sel && sel->left && (sel = sel->left)->right == curr) {
                         curr = prev;
                         calcoffsets();
                 }
                 break;
         case XK_Next:
-                if(!next)
+                if (!next)
                         return;
                 sel = curr = next;
                 calcoffsets();
                 break;
         case XK_Prior:
-                if(!prev)
+                if (!prev)
                         return;
                 sel = curr = prev;
                 calcoffsets();
@@ -428,29 +365,29 @@ keypress(XKeyEvent *ev) {
         case XK_Return:
         case XK_KP_Enter:
                 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
-                if(!(ev->state & ControlMask)) {
+                if (!(ev->state & ControlMask)) {
                         cleanup();
                         exit(0);
                 }
-                if(sel)
+                if (sel)
                         sel->out = true;
                 break;
         case XK_Right:
-                if(text[cursor] != '\0') {
+                if (text[cursor] != '\0') {
                         cursor = nextrune(+1);
                         break;
                 }
-                if(lines > 0)
+                if (lines > 0)
                         return;
                 /* fallthrough */
         case XK_Down:
-                if(sel && sel->right && (sel = sel->right) == next) {
+                if (sel && sel->right && (sel = sel->right) == next) {
                         curr = next;
                         calcoffsets();
                 }
                 break;
         case XK_Tab:
-                if(!sel)
+                if (!sel)
                         return;
                 strncpy(text, sel->text, sizeof text - 1);
                 text[sizeof text - 1] = '\0';
@@ -461,8 +398,9 @@ keypress(XKeyEvent *ev) {
         drawmenu();
 }
 
-void
-match(void) {
+static void
+match(void)
+{
         static char **tokv = NULL;
         static int tokn = 0;
 
@@ -473,41 +411,39 @@ match(void) {
 
         strcpy(buf, text);
         /* separate input text into tokens to be matched individually */
-        for(s = strtok(buf, " "); s; tokv[tokc-1] = s, s = strtok(NULL, " "))
-                if(++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
+        for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
+                if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
                         die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
         len = tokc ? strlen(tokv[0]) : 0;
 
         matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
-        for(item = items; item && item->text; item++) {
-                for(i = 0; i < tokc; i++)
-                        if(!fstrstr(item->text, tokv[i]))
+        for (item = items; item && item->text; item++) {
+                for (i = 0; i < tokc; i++)
+                        if (!fstrstr(item->text, tokv[i]))
                                 break;
-                if(i != tokc) /* not all tokens match */
+                if (i != tokc) /* not all tokens match */
                         continue;
                 /* exact matches go first, then prefixes, then substrings */
-                if(!tokc || !fstrncmp(tokv[0], item->text, len+1))
+                if (!tokc || !fstrncmp(tokv[0], item->text, len + 1))
                         appenditem(item, &matches, &matchend);
-                else if(!fstrncmp(tokv[0], item->text, len))
+                else if (!fstrncmp(tokv[0], item->text, len))
                         appenditem(item, &lprefix, &prefixend);
                 else
                         appenditem(item, &lsubstr, &substrend);
         }
-        if(lprefix) {
-                if(matches) {
+        if (lprefix) {
+                if (matches) {
                         matchend->right = lprefix;
                         lprefix->left = matchend;
-                }
-                else
+                } else
                         matches = lprefix;
                 matchend = prefixend;
         }
-        if(lsubstr) {
-                if(matches) {
+        if (lsubstr) {
+                if (matches) {
                         matchend->right = lsubstr;
                         lsubstr->left = matchend;
-                }
-                else
+                } else
                         matches = lsubstr;
                 matchend = substrend;
         }
@@ -515,17 +451,20 @@ match(void) {
         calcoffsets();
 }
 
-size_t
-nextrune(int inc) {
+static size_t
+nextrune(int inc)
+{
         ssize_t n;
 
         /* return location of next utf8 rune in the given direction (+1 or -1) */
-        for(n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc);
+        for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
+                ;
         return n;
 }
 
-void
-paste(void) {
+static void
+paste(void)
+{
         char *p, *q;
         int di;
         unsigned long dl;
@@ -534,64 +473,67 @@ paste(void) {
         /* we have been given the current selection, now insert it into input */
         XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
                            utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
-        insert(p, (q = strchr(p, '\n')) ? q-p : (ssize_t)strlen(p));
+        insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
         XFree(p);
         drawmenu();
 }
 
-void
-readstdin(void) {
+static void
+readstdin(void)
+{
         char buf[sizeof text], *p, *maxstr = NULL;
         size_t i, max = 0, size = 0;
 
         /* read each line from stdin and add it to the item list */
-        for(i = 0; fgets(buf, sizeof buf, stdin); i++) {
-                if(i+1 >= size / sizeof *items)
-                        if(!(items = realloc(items, (size += BUFSIZ))))
+        for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
+                if (i + 1 >= size / sizeof *items)
+                        if (!(items = realloc(items, (size += BUFSIZ))))
                                 die("cannot realloc %u bytes:", size);
-                if((p = strchr(buf, '\n')))
+                if ((p = strchr(buf, '\n')))
                         *p = '\0';
-                if(!(items[i].text = strdup(buf)))
-                        die("cannot strdup %u bytes:", strlen(buf)+1);
+                if (!(items[i].text = strdup(buf)))
+                        die("cannot strdup %u bytes:", strlen(buf) + 1);
                 items[i].out = false;
-                if(strlen(items[i].text) > max)
+                if (strlen(items[i].text) > max)
                         max = strlen(maxstr = items[i].text);
         }
-        if(items)
+        if (items)
                 items[i].text = NULL;
         inputw = maxstr ? TEXTW(maxstr) : 0;
         lines = MIN(lines, i);
 }
 
-void
-run(void) {
+static void
+run(void)
+{
         XEvent ev;
 
-        while(!XNextEvent(dpy, &ev)) {
-                if(XFilterEvent(&ev, win))
+        while (!XNextEvent(dpy, &ev)) {
+                if (XFilterEvent(&ev, win))
                         continue;
                 switch(ev.type) {
                 case Expose:
-                        if(ev.xexpose.count == 0)
+                        if (ev.xexpose.count == 0)
                                 drw_map(drw, win, 0, 0, mw, mh);
                         break;
                 case KeyPress:
                         keypress(&ev.xkey);
                         break;
                 case SelectionNotify:
-                        if(ev.xselection.property == utf8)
+                        if (ev.xselection.property == utf8)
                                 paste();
                         break;
                 case VisibilityNotify:
-                        if(ev.xvisibility.state != VisibilityUnobscured)
+                        if (ev.xvisibility.state != VisibilityUnobscured)
                                 XRaiseWindow(dpy, win);
                         break;
                 }
         }
 }
 
-void
-setup(void) {
+static void
+setup(void)
+{
         int x, y;
         XSetWindowAttributes swa;
         XIM xim;
@@ -619,36 +561,35 @@ setup(void) {
         lines = MAX(lines, 0);
         mh = (lines + 1) * bh;
 #ifdef XINERAMA
-        if((info = XineramaQueryScreens(dpy, &n))) {
+        if ((info = XineramaQueryScreens(dpy, &n))) {
                 XGetInputFocus(dpy, &w, &di);
-                if(mon != -1 && mon < n)
+                if (mon != -1 && mon < n)
                         i = mon;
-                if(!i && w != root && w != PointerRoot && w != None) {
+                if (!i && w != root && w != PointerRoot && w != None) {
                         /* find top-level window containing current input focus */
                         do {
-                                if(XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
+                                if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
                                         XFree(dws);
-                        } while(w != root && w != pw);
+                        } while (w != root && w != pw);
                         /* find xinerama screen with which the window intersects most */
-                        if(XGetWindowAttributes(dpy, pw, &wa))
-                                for(j = 0; j < n; j++)
-                                        if((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
+                        if (XGetWindowAttributes(dpy, pw, &wa))
+                                for (j = 0; j < n; j++)
+                                        if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
                                                 area = a;
                                                 i = j;
                                         }
                 }
                 /* no focused window is on screen, so use pointer location instead */
-                if(mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
-                        for(i = 0; i < n; i++)
-                                if(INTERSECT(x, y, 1, 1, info[i]))
+                if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
+                        for (i = 0; i < n; i++)
+                                if (INTERSECT(x, y, 1, 1, info[i]))
                                         break;
 
                 x = info[i].x_org;
                 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
                 mw = info[i].width;
                 XFree(info);
-        }
-        else
+        } else
 #endif
         {
                 x = 0;
@@ -678,9 +619,77 @@ setup(void) {
         drawmenu();
 }
 
-void
-usage(void) {
+static void
+usage(void)
+{
         fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
               "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
         exit(1);
 }
+
+int
+main(int argc, char *argv[])
+{
+        bool fast = false;
+        int i;
+
+        for (i = 1; i < argc; i++)
+                /* these options take no arguments */
+                if (!strcmp(argv[i], "-v")) {      /* prints version information */
+                        puts("dmenu-"VERSION);
+                        exit(0);
+                } else if (!strcmp(argv[i], "-b"))   /* appears at the bottom of the screen */
+                        topbar = false;
+                else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
+                        fast = true;
+                else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+                        fstrncmp = strncasecmp;
+                        fstrstr = cistrstr;
+                } else if (i + 1 == argc)
+                        usage();
+                /* these options take one argument */
+                else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
+                        lines = atoi(argv[++i]);
+                else if (!strcmp(argv[i], "-m"))
+                        mon = atoi(argv[++i]);
+                else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
+                        prompt = argv[++i];
+                else if (!strcmp(argv[i], "-fn"))  /* font or font set */
+                        fonts[0] = argv[++i];
+                else if (!strcmp(argv[i], "-nb"))  /* normal background color */
+                        normbgcolor = argv[++i];
+                else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
+                        normfgcolor = argv[++i];
+                else if (!strcmp(argv[i], "-sb"))  /* selected background color */
+                        selbgcolor = argv[++i];
+                else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
+                        selfgcolor = argv[++i];
+                else
+                        usage();
+
+        if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+                fputs("warning: no locale support\n", stderr);
+        if (!(dpy = XOpenDisplay(NULL)))
+                die("cannot open display\n");
+        screen = DefaultScreen(dpy);
+        root = RootWindow(dpy, screen);
+        sw = DisplayWidth(dpy, screen);
+        sh = DisplayHeight(dpy, screen);
+        drw = drw_create(dpy, screen, root, sw, sh);
+        drw_load_fonts(drw, fonts, LENGTH(fonts));
+        if (!drw->fontcount)
+                die("no fonts could be loaded.\n");
+        drw_setscheme(drw, &scheme[SchemeNorm]);
+
+        if (fast) {
+                grabkeyboard();
+                readstdin();
+        } else {
+                readstdin();
+                grabkeyboard();
+        }
+        setup();
+        run();
+
+        return 1; /* unreachable */
+}