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 */
+}