Trivial changes: whitespace and modes.

Remote whitespace at the ends of lines.
Remove blank lines from the ends of files.
Change modes on source files so that they
are not executable.

Signed-off-by: Dan Cross <cross@gajendra.net>

10 files changed, 78 insertions, 79 deletions

diff --git a/src/cmd/page/cache.c b/src/cmd/page/cache.c
index 5110840f..a1083fc7 100644
--- a/src/cmd/page/cache.c
+++ b/src/cmd/page/cache.c
@@ -29,7 +29,7 @@ questionmark(void)
 	static Image *im;
 
 	if(im)
-		return im;	
+		return im;
 	im = xallocimage(display, Rect(0,0,50,50), GREY1, 1, DBlack);
 	if(im == nil)
 		return nil;
@@ -165,7 +165,7 @@ static void
 raproc(void *a)
 {
 	Cached *c;
-	
+
 	c = a;
 	lockdisplay(display);
 	/*
@@ -187,7 +187,7 @@ cachedpage(Document *doc, int angle, int page)
 	Cached *c;
 	Image *im;
 	int ra;
-	
+
 	if(doc->npage < 1)
 		return display->white;
 
diff --git a/src/cmd/page/gfx.c b/src/cmd/page/gfx.c
index 22e08665..793d75a4 100644
--- a/src/cmd/page/gfx.c
+++ b/src/cmd/page/gfx.c
@@ -77,7 +77,7 @@ initgfx(Biobuf *b, int argc, char **argv, uchar *buf, int nbuf)
 	doc = emalloc(sizeof(*doc));
 	gfx = emalloc(sizeof(*gfx));
 	gfx->g = nil;
-	
+
 	doc->npage = 0;
 	doc->drawpage = gfxdrawpage;
 	doc->pagename = gfxpagename;
@@ -141,7 +141,7 @@ genaddpage(Document *doc, char *name, uchar *buf, int nbuf)
 	memset(g, 0, sizeof *g);
 	if(memcmp(buf, "GIF", 3) == 0)
 		g->type = Igif;
-	else if(memcmp(buf, "\111\111\052\000", 4) == 0) 
+	else if(memcmp(buf, "\111\111\052\000", 4) == 0)
 		g->type = Itiff;
 	else if(memcmp(buf, "\115\115\000\052", 4) == 0)
 		g->type = Itiff;
@@ -186,7 +186,7 @@ genaddpage(Document *doc, char *name, uchar *buf, int nbuf)
 	return doc->npage++;
 }
 
-static int 
+static int
 addpage(Document *doc, char *name)
 {
 	return genaddpage(doc, name, nil, 0);
@@ -257,7 +257,7 @@ convert(Graphic *g)
 		if(fd < 0) {
 			fprint(2, "cannot spawn converter: %r\n");
 			wexits("convert");
-		}	
+		}
 	}
 
 	im = readimage(display, fd, 0);
diff --git a/src/cmd/page/gs.c b/src/cmd/page/gs.c
index 5c493b35..1d60212a 100644
--- a/src/cmd/page/gs.c
+++ b/src/cmd/page/gs.c
@@ -1,8 +1,8 @@
 /*
  * gs interface for page.
  * ps.c and pdf.c both use these routines.
- * a caveat: if you run more than one gs, only the last 
- * one gets killed by killgs 
+ * a caveat: if you run more than one gs, only the last
+ * one gets killed by killgs
  */
 #include <u.h>
 #include <libc.h>
@@ -88,7 +88,7 @@ spawnmonitor(void *cp)
 	threadexits(0);
 }
 
-int 
+int
 spawngs(GSInfo *g, char *safer)
 {
 	Channel *cp;
diff --git a/src/cmd/page/nrotate.c b/src/cmd/page/nrotate.c
index 96563c3d..00d065ad 100644
--- a/src/cmd/page/nrotate.c
+++ b/src/cmd/page/nrotate.c
@@ -6,7 +6,7 @@
  * The basic concept is that you can invert an array by
  * inverting the top half, inverting the bottom half, and
  * then swapping them.
- * 
+ *
  * This is usually overkill, but it speeds up slow remote
  * connections quite a bit.
  */
@@ -132,7 +132,7 @@ shuffle(Image *img, Image *tmp, int axis, int imgdim, Image *mask, int maskdim)
 
 /*
  * Halve the grating period in the mask.
- * The grating currently looks like 
+ * The grating currently looks like
  * ####____####____####____####____
  * where #### is opacity.
  *
@@ -140,7 +140,7 @@ shuffle(Image *img, Image *tmp, int axis, int imgdim, Image *mask, int maskdim)
  * ##__##__##__##__##__##__##__##__
  * which is achieved by shifting the mask
  * and drawing on itself through itself.
- * Draw doesn't actually allow this, so 
+ * Draw doesn't actually allow this, so
  * we have to copy it first.
  *
  *     ####____####____####____####____ (dst)
@@ -229,7 +229,7 @@ swapadjacent(Image *img, Image *tmp, int axis, int imgdim, Image *mask, int mask
 	/*
 	 * r0 is the lower rectangle, while r1 is the upper one.
 	 */
-	draw(tmp, tmp->r, img, nil, 
+	draw(tmp, tmp->r, img, nil,
 }
 
 void
@@ -271,8 +271,7 @@ writefile(char *name, Image *im, int gran)
 	snprint(buf, sizeof buf, "%d%s%d", c++, name, gran);
 	fd = create(buf, OWRITE, 0666);
 	if(fd < 0)
-		return;	
+		return;
 	writeimage(fd, im, 0);
 	close(fd);
 }
-
diff --git a/src/cmd/page/page.c b/src/cmd/page/page.c
index 041df26b..01ad17ff 100644
--- a/src/cmd/page/page.c
+++ b/src/cmd/page/page.c
@@ -41,7 +41,7 @@ watcherproc(void *v)
 	for(;;)
 		sleep(1000);
 }
-	
+
 int
 bell(void *u, char *x)
 {
@@ -81,7 +81,7 @@ afmt(Fmt *fmt)
 void
 usage(void)
 {
-	fprint(2, "usage: page [-biRrwf] [-p ppi] file...\n"); 
+	fprint(2, "usage: page [-biRrwf] [-p ppi] file...\n");
 	wexits("usage");
 }
 
@@ -145,7 +145,7 @@ threadmain(int argc, char **argv)
 		break;
 	case 'f':
 		fitwin = 1;
-		break; 
+		break;
 	default:
 		usage();
 	}ARGEND;
@@ -184,13 +184,13 @@ threadmain(int argc, char **argv)
 			fprint(2, "page: short read reading %s\n", argv[0]);
 			wexits("read");
 		}
-		
+
 		atexit(cleanup);
 	}else if(argc != 0){
 		if(!(b = Bopen(argv[0], OREAD))) {
 			fprint(2, "page: cannot open \"%s\"\n", argv[0]);
 			wexits("open");
-		}	
+		}
 
 		if(Bread(b, buf, Ninput) != Ninput) {
 			fprint(2, "page: short read reading %s\n", argv[0]);
@@ -242,7 +242,7 @@ threadmain(int argc, char **argv)
 		wexits("initdraw");
 	}
 	display->locking = 1;
-	
+
 	truecolor = screen->depth > 8;
 	viewer(doc);
 	wexits(0);
diff --git a/src/cmd/page/pdf.c b/src/cmd/page/pdf.c
index 2de67bc7..89df6c5e 100644
--- a/src/cmd/page/pdf.c
+++ b/src/cmd/page/pdf.c
@@ -1,6 +1,6 @@
 /*
  * pdf.c
- * 
+ *
  * pdf file support for page
  */
 
@@ -15,7 +15,7 @@
 static Image*	pdfdrawpage(Document *d, int page);
 static char*	pdfpagename(Document*, int);
 
-char *pdfprolog = 
+char *pdfprolog =
 #include "pdfprolog.c"
 	;
 
@@ -25,7 +25,7 @@ pdfbbox(GSInfo *gs)
 	char *p;
 	char *f[4];
 	Rectangle r;
-	
+
 	r = Rect(0,0,0,0);
 	waitgs(gs);
 	gscmd(gs, "/CropBox knownoget {} {[0 0 0 0]} ifelse PAGE==\n");
@@ -152,7 +152,7 @@ static char*
 pdfpagename(Document *d, int page)
 {
 	static char str[15];
-	
+
 	USED(d);
 	sprint(str, "p %d", page+1);
 	return str;
diff --git a/src/cmd/page/ps.c b/src/cmd/page/ps.c
index 84689571..eb09cc8f 100644
--- a/src/cmd/page/ps.c
+++ b/src/cmd/page/ps.c
@@ -1,6 +1,6 @@
 /*
  * ps.c
- * 
+ *
  * provide postscript file reading support for page
  */
 
@@ -245,10 +245,10 @@ Keepreading:
 		if(!prefix(p, "%%Page:"))
 			continue;
 
-		/* 
+		/*
 		 * figure out of the %%Page: line contains a page number
 		 * or some other page description to use in the menu bar.
-		 * 
+		 *
 		 * lines look like %%Page: x y or %%Page: x
 		 * we prefer just x, and will generate our
 		 * own if necessary.
diff --git a/src/cmd/page/rotate.c b/src/cmd/page/rotate.c
index 3ac83a1f..2c6ea520 100644
--- a/src/cmd/page/rotate.c
+++ b/src/cmd/page/rotate.c
@@ -1,12 +1,12 @@
 /*
  * rotate an image 180° in O(log Dx + log Dy) /dev/draw writes,
  * using an extra buffer same size as the image.
- * 
+ *
  * the basic concept is that you can invert an array by inverting
  * the top half, inverting the bottom half, and then swapping them.
  * the code does this slightly backwards to ensure O(log n) runtime.
  * (If you do it wrong, you can get O(log² n) runtime.)
- * 
+ *
  * This is usually overkill, but it speeds up slow remote
  * connections quite a bit.
  */
@@ -37,7 +37,7 @@ writefile(char *name, Image *im, int gran)
 	snprint(buf, sizeof buf, "%d%s%d", c++, name, gran);
 	fd = create(buf, OWRITE, 0666);
 	if(fd < 0)
-		return;	
+		return;
 	writeimage(fd, im, 0);
 	close(fd);
 }
@@ -109,7 +109,7 @@ interlace(Image *im, Image *tmp, int axis, int n, Image *mask, int gran)
 
 /*
  * Halve the grating period in the mask.
- * The grating currently looks like 
+ * The grating currently looks like
  * ####____####____####____####____
  * where #### is opacity.
  *
@@ -117,7 +117,7 @@ interlace(Image *im, Image *tmp, int axis, int n, Image *mask, int gran)
  * ##__##__##__##__##__##__##__##__
  * which is achieved by shifting the mask
  * and drawing on itself through itself.
- * Draw doesn't actually allow this, so 
+ * Draw doesn't actually allow this, so
  * we have to copy it first.
  *
  *     ####____####____####____####____ (dst)
@@ -151,7 +151,7 @@ shuffle(Image *im, Image *tmp, int axis, int n, Image *mask, int gran,
 
 	interlace(im, tmp, axis, nn, mask, gran);
 //	writefile("interlace", im, gran);
-	
+
 	gran = nextmask(mask, axis, gran);
 	shuffle(im, tmp, axis, n, mask, gran, nn);
 //	writefile("shuffle", im, gran);
@@ -288,7 +288,7 @@ fac(int L)
 	return f;
 }
 
-/* 
+/*
  * i0(x) is the modified Bessel function, Σ (x/2)^2L / (L!)²
  * There are faster ways to calculate this, but we precompute
  * into a table so let's keep it simple.
diff --git a/src/cmd/page/util.c b/src/cmd/page/util.c
index f10ef6db..3b4655d1 100644
--- a/src/cmd/page/util.c
+++ b/src/cmd/page/util.c
@@ -50,7 +50,7 @@ spooltodisk(uchar *ibuf, int in, char **name)
 {
 	uchar buf[8192];
 	int fd, n;
-	
+
 	strcpy(tempfile, "/tmp/pagespoolXXXXXXXXX");
 	fd = opentemp(tempfile, ORDWR);
 	if(name)
@@ -94,7 +94,7 @@ _stdinpipe(void *a)
 	arg = a;
 
 	if(pipe(p) < 0){
-		fprint(2, "pipe fails: %r\n");	
+		fprint(2, "pipe fails: %r\n");
 		wexits("pipe");
 	}
 
@@ -103,7 +103,7 @@ _stdinpipe(void *a)
 	write(p[1], arg->ibuf, arg->in);
 	while((n = read(stdinfd, buf, sizeof buf)) > 0)
 		write(p[1], buf, n);
-	
+
 	close(p[1]);
 	threadexits(0);
 }
diff --git a/src/cmd/page/view.c b/src/cmd/page/view.c
index 315a22a8..2696f01f 100644
--- a/src/cmd/page/view.c
+++ b/src/cmd/page/view.c
@@ -33,25 +33,25 @@ void plumbproc(void*);
 
 Cursor reading={
 	{-1, -1},
-	{0xff, 0x80, 0xff, 0x80, 0xff, 0x00, 0xfe, 0x00, 
-	 0xff, 0x00, 0xff, 0x80, 0xff, 0xc0, 0xef, 0xe0, 
-	 0xc7, 0xf0, 0x03, 0xf0, 0x01, 0xe0, 0x00, 0xc0, 
+	{0xff, 0x80, 0xff, 0x80, 0xff, 0x00, 0xfe, 0x00,
+	 0xff, 0x00, 0xff, 0x80, 0xff, 0xc0, 0xef, 0xe0,
+	 0xc7, 0xf0, 0x03, 0xf0, 0x01, 0xe0, 0x00, 0xc0,
 	 0x03, 0xff, 0x03, 0xff, 0x03, 0xff, 0x03, 0xff, },
-	{0x00, 0x00, 0x7f, 0x00, 0x7e, 0x00, 0x7c, 0x00, 
-	 0x7e, 0x00, 0x7f, 0x00, 0x6f, 0x80, 0x47, 0xc0, 
-	 0x03, 0xe0, 0x01, 0xf0, 0x00, 0xe0, 0x00, 0x40, 
+	{0x00, 0x00, 0x7f, 0x00, 0x7e, 0x00, 0x7c, 0x00,
+	 0x7e, 0x00, 0x7f, 0x00, 0x6f, 0x80, 0x47, 0xc0,
+	 0x03, 0xe0, 0x01, 0xf0, 0x00, 0xe0, 0x00, 0x40,
 	 0x00, 0x00, 0x01, 0xb6, 0x01, 0xb6, 0x00, 0x00, }
 };
 
 Cursor query = {
 	{-7,-7},
-	{0x0f, 0xf0, 0x1f, 0xf8, 0x3f, 0xfc, 0x7f, 0xfe, 
-	 0x7c, 0x7e, 0x78, 0x7e, 0x00, 0xfc, 0x01, 0xf8, 
-	 0x03, 0xf0, 0x07, 0xe0, 0x07, 0xc0, 0x07, 0xc0, 
+	{0x0f, 0xf0, 0x1f, 0xf8, 0x3f, 0xfc, 0x7f, 0xfe,
+	 0x7c, 0x7e, 0x78, 0x7e, 0x00, 0xfc, 0x01, 0xf8,
+	 0x03, 0xf0, 0x07, 0xe0, 0x07, 0xc0, 0x07, 0xc0,
 	 0x07, 0xc0, 0x07, 0xc0, 0x07, 0xc0, 0x07, 0xc0, },
-	{0x00, 0x00, 0x0f, 0xf0, 0x1f, 0xf8, 0x3c, 0x3c, 
-	 0x38, 0x1c, 0x00, 0x3c, 0x00, 0x78, 0x00, 0xf0, 
-	 0x01, 0xe0, 0x03, 0xc0, 0x03, 0x80, 0x03, 0x80, 
+	{0x00, 0x00, 0x0f, 0xf0, 0x1f, 0xf8, 0x3c, 0x3c,
+	 0x38, 0x1c, 0x00, 0x3c, 0x00, 0x78, 0x00, 0xf0,
+	 0x01, 0xe0, 0x03, 0xc0, 0x03, 0x80, 0x03, 0x80,
 	 0x00, 0x00, 0x03, 0x80, 0x03, 0x80, 0x00, 0x00, }
 };
 
@@ -79,13 +79,13 @@ unhide(void)
 	USED(nil);
 }
 
-int 
+int
 max(int a, int b)
 {
 	return a > b ? a : b;
 }
 
-int 
+int
 min(int a, int b)
 {
 	return a < b ? a : b;
@@ -130,7 +130,7 @@ showpage(int page, Menu *m)
 		m->lasthit = 0;	/* this page */
 	else
 		m->lasthit = reverse ? doc->npage-1-page : page;
-	
+
 	setcursor(mc, &reading);
 	delayfreeimage(nil);
 	im = cachedpage(doc, angle, page);
@@ -178,7 +178,7 @@ writebitmap(void)
 			q = basename;
 		if(p = strchr(q, '.'))
 			*p = 0;
-		
+
 		memset(name, 0, sizeof name);
 		snprint(name, sizeof(name)-1, "%s.%d.bit", q, page+1);
 		if(access(name, 0) >= 0) {
@@ -241,7 +241,7 @@ enum{
 	Empty3,
 	Exit,
 };
- 
+
 void
 viewer(Document *dd)
 {
@@ -269,13 +269,13 @@ viewer(Document *dd)
  		"next",
  		"prev",
 		"zerox",
- 		"", 
+ 		"",
  		"reverse",
  		"discard",
  		"write",
- 		"", 
- 		"quit", 
- 		0 
+ 		"",
+ 		"quit",
+ 		0
  	};
 	char *s;
 	enum {
@@ -287,7 +287,7 @@ viewer(Document *dd)
 	};
 	Alt alts[CN+1];
 	Plumbmsg *pm;
-	
+
 	cp = chancreate(sizeof pm, 0);
 	assert(cp);
 
@@ -483,7 +483,7 @@ viewer(Document *dd)
 				setcursor(mc, &query);
 				sleep(1000);
 				setcursor(mc, nil);
-				break;	
+				break;
 			}
 			break;
 
@@ -494,7 +494,7 @@ viewer(Document *dd)
 				xy0 = oxy;
 				do {
 					dxy = subpt(m.xy, oxy);
-					oxy = m.xy;	
+					oxy = m.xy;
 					translate(dxy);
 					recv(mc->c, &m);
 				} while(m.buttons == Left);
@@ -503,7 +503,7 @@ viewer(Document *dd)
 					translate(dxy);
 				}
 				break;
-	
+
 			case Middle:
 				if(doc->npage == 0)
 					break;
@@ -524,7 +524,7 @@ viewer(Document *dd)
 
 					if((page >= doc->npage) && !doc->fwdonly)
 						return;
-	
+
 					showpage(page, &menu);
 					nxt = 0;
 					break;
@@ -540,7 +540,7 @@ viewer(Document *dd)
 
 					if((page >= doc->npage) && !doc->fwdonly && !reverse)
 						return;
-	
+
 					showpage(page, &menu);
 					nxt = 0;
 					break;
@@ -565,7 +565,7 @@ viewer(Document *dd)
 							showpage(page, &menu);
 						}
 						break;
-					}				
+					}
 					else{ 	/* image */
 						double delta;
 						Rectangle r;
@@ -581,8 +581,8 @@ viewer(Document *dd)
 							delta = (double)Dy(im->r)/(double)Dy(r);
 
 						setcursor(mc, &reading);
-						tmp = xallocimage(display, 
-								Rect(0, 0, (int)((double)Dx(im->r)*delta), (int)((double)Dy(im->r)*delta)), 
+						tmp = xallocimage(display,
+								Rect(0, 0, (int)((double)Dx(im->r)*delta), (int)((double)Dy(im->r)*delta)),
 								im->chan, 0, DBlack);
 						if(tmp == nil) {
 							fprint(2, "out of memory during zoom: %r\n");
@@ -639,7 +639,7 @@ viewer(Document *dd)
 						break;
 					reverse = !reverse;
 					menu.lasthit = doc->npage-1-menu.lasthit;
-	
+
 					if(page == 0 || page == doc->npage-1) {
 						page = doc->npage-1-page;
 						showpage(page, &menu);
@@ -672,10 +672,10 @@ viewer(Document *dd)
 				case Empty3:
 					break;
 
-				}; 
+				};
+
+
 
-	
-	
 			case Right:
 				if(doc->npage == 0)
 					break;
@@ -684,7 +684,7 @@ viewer(Document *dd)
 				n = menuhit(RMenu, mc, &menu, nil);
 				if(n == -1)
 					break;
-	
+
 				if(doc->fwdonly) {
 					switch(n){
 					case 0:	/* this page */
@@ -697,12 +697,12 @@ viewer(Document *dd)
 					}
 					break;
 				}
-	
+
 				if(n == doc->npage)
 					return;
 				else
 					page = reverse ? doc->npage-1-n : n;
-	
+
 				if(oldpage != page)
 					showpage(page, &menu);
 				nxt = 0;
@@ -753,7 +753,7 @@ Image *gray;
  * mp and sp get aligned with bot.min.
  */
 static void
-gendrawdiff(Image *dst, Rectangle bot, Rectangle top, 
+gendrawdiff(Image *dst, Rectangle bot, Rectangle top,
 	Image *src, Point sp, Image *mask, Point mp, int op)
 {
 	Rectangle r;
@@ -890,7 +890,7 @@ redraw(Image *screen)
 		}
 	}
 	border(screen, r, -4000, gray, ZP);
-//	flushimage(display, 0);	
+//	flushimage(display, 0);
 }
 
 /* clip p to be in r */
@@ -911,7 +911,7 @@ pclip(Point p, Rectangle r)
 }
 
 /*
- * resize is perhaps a misnomer. 
+ * resize is perhaps a misnomer.
  * this really just grows the window to be at least dx across
  * and dy high.  if the window hits the bottom or right edge,
  * it is backed up until it hits the top or left edge.