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>

src/cmd/plot/libplot/circ.c

@@ -4,7 +4,7 @@ void circ(double xc, double yc, double r){
 	int rad;
 	p.x=SCX(xc);
 	p.y=SCY(yc);
-	if (r < 0) 
+	if (r < 0)
 		rad=SCR(-r);
 	else
 		rad=SCR(r);

src/cmd/plot/libplot/disk.c

@@ -4,7 +4,7 @@ void plotdisc(double xc, double yc, double r){
 	int rad;
 	p.x=SCX(xc);
 	p.y=SCY(yc);
-	if (r < 0) 
+	if (r < 0)
 		rad=SCR(-r);
 	else
 		rad=SCR(r);

src/cmd/plot/libplot/move.c

@@ -1,5 +1,5 @@
 #include "mplot.h"
 void move(double xx, double yy){
-	e1->copyx = xx;	
+	e1->copyx = xx;
 	e1->copyy = yy;
 }

src/cmd/plot/libplot/parabola.c

@@ -5,13 +5,13 @@ void parabola(double x0, double y0, double x1, double y1, double xb, double yb){
 	double	dt, d2, d1;
 	d1 = sqrt((xb - x0) * (xb - x0) + (yb - y0) * (yb - y0));
 	d2 = sqrt((xb - x1) * (xb - x1) + (yb - y1) * (yb - y1));
-	if (d1 <= e1->quantum || d2 <= e1->quantum) { 
-		plotline(x0, y0, x1, y1); 
-		return; 
+	if (d1 <= e1->quantum || d2 <= e1->quantum) {
+		plotline(x0, y0, x1, y1);
+		return;
 	}
-	c0x = x0 + x1 - 2. * xb; 
+	c0x = x0 + x1 - 2. * xb;
 	c1x = 2. * (xb - x0);
-	c0y = y0 + y1 - 2. * yb; 
+	c0y = y0 + y1 - 2. * yb;
 	c1y = 2. * (yb - y0);
 	move(x0, y0);
 	dt = e1->quantum / d1;

src/cmd/plot/libplot/ppause.c

@@ -1,7 +1,7 @@
 #include "mplot.h"
-void ppause(void){ 
-	char	aa[4]; 
-	fflush(stdout); 
-	read(0, aa, 4);  
-	erase(); 
+void ppause(void){
+	char	aa[4];
+	fflush(stdout);
+	read(0, aa, 4);
+	erase();
 }

src/cmd/plot/libplot/rarc.c

@@ -12,31 +12,31 @@ void rarc(double x1, double y1, double x2, double y2, double xc, double yc, doub
 	dx = x1 - xc;
 	dy = y1 - yc;
 	rd = sqrt(dx * dx + dy * dy);
-	if (rd / e1->quantum < 1.0) { 
-		move(xc, yc); 
-		vec(xc, yc); 
+	if (rd / e1->quantum < 1.0) {
+		move(xc, yc);
+		vec(xc, yc);
 		return;
 	}
 	dph = acos(1.0 - (e1->quantum / rd));
-	if (dph > PI4) 
+	if (dph > PI4)
 		dph = PI4;
 	ph=atan2((y2-yc),(x2 - xc)) - atan2(dy, dx);
-	if (ph < 0) 
-		ph += 6.2832; 
-	if (rr < 0) 
+	if (ph < 0)
+		ph += 6.2832;
+	if (rr < 0)
 		ph = 6.2832 - ph;
-	if (ph < dph) 
+	if (ph < dph)
 		plotline(x1, y1, x2, y2);
 	else {
-		n = ph / dph; 
-		a = cos(dph); 
-		b = sin(dph); 
-		if (rr < 0) 
+		n = ph / dph;
+		a = cos(dph);
+		b = sin(dph);
+		if (rr < 0)
 			b = -b;
 		move(x1, y1);
 		while ((n--) >= 0) {
-			xnext = dx * a - dy * b; 
-			dy = dx * b + dy * a; 
+			xnext = dx * a - dy * b;
+			dy = dx * b + dy * a;
 			dx = xnext;
 			vec(dx + xc, dy + yc);
 		}

src/cmd/plot/libplot/save.c

@@ -1,5 +1,5 @@
 #include "mplot.h"
-void save(void){ 
-	sscpy(e1, e1 + 1); 
-	e1++; 
+void save(void){
+	sscpy(e1, e1 + 1);
+	e1++;
 }

src/cmd/plot/libplot/spline.c

@@ -10,25 +10,25 @@ void splin(int mode, int num[], double *ff[]){
 	np = num;
 	fp = ff;
 	while((n = *np++)){
-		xp = *fp++; 
-		yp = xp + 1; 
-		xp0 = xp; 
+		xp = *fp++;
+		yp = xp + 1;
+		xp0 = xp;
 		yp0 = yp;
-		xpe = xp0 + 2 * (n - 1); 
+		xpe = xp0 + 2 * (n - 1);
 		ype = yp0 + 2 * (n - 1);
-		if (n < 3) { 
-			plotline(*xp, *yp, *(xp + 2), *(yp + 2)); 
+		if (n < 3) {
+			plotline(*xp, *yp, *(xp + 2), *(yp + 2));
 			continue;
 		}
 		if (mode == 4) {	/*closed curve*/
-			xa = 0.5 * (*xpe + *(xpe - 2)); 
+			xa = 0.5 * (*xpe + *(xpe - 2));
 			xc = 0.5 * (*xpe + *xp0);
-			ya = 0.5 * (*ype + *(ype - 2)); 
+			ya = 0.5 * (*ype + *(ype - 2));
 			yc = 0.5 * (*ype + *yp0);
 			parabola(xa, ya, xc, yc, *xpe, *ype);
-			xa = 0.5 * (*xpe + *xp0); 
+			xa = 0.5 * (*xpe + *xp0);
 			xc = 0.5 * (*(xp0 + 2) + *xp0);
-			ya = 0.5 * (*ype + *yp0); 
+			ya = 0.5 * (*ype + *yp0);
 			yc = 0.5 * (*(yp0 + 2) + *yp0);
 			parabola(xa, ya, xc, yc, *xp0, *yp0);
 		}
@@ -36,12 +36,12 @@ void splin(int mode, int num[], double *ff[]){
 			if (mode % 2) /*odd mode makes first point double*/
 				plotline(*xp0,*yp0,0.5*(*xp0+*(xp0+2)),0.5*(*yp0+*(yp0+2)));
 		}
-		xp += 2; 
+		xp += 2;
 		yp += 2;
 		for (i = 1; i < (n - 1); i++, xp += 2, yp += 2) {
-			xa = 0.5 * (*(xp - 2) + *xp); 
+			xa = 0.5 * (*(xp - 2) + *xp);
 			xc = 0.5 * ( *xp + *(xp + 2));
-			ya = 0.5 * (*(yp - 2) + *yp); 
+			ya = 0.5 * (*(yp - 2) + *yp);
 			yc = 0.5 * ( *yp + *(yp + 2));
 			parabola(xa, ya, xc, yc, *xp, *yp);
 		}

src/cmd/plot/libplot/subr.c

@@ -22,28 +22,28 @@ bcolor(char *s){
 			return(DBlack);
 		case 'r':
 			return(DRed);
-		case 'g': 
+		case 'g':
 			return(DGreen);
-		case 'b': 
+		case 'b':
 			return(DBlue);
-		case 'm': 
+		case 'm':
 			return(DMagenta);
-		case 'y': 
+		case 'y':
 			return(DYellow);
-		case 'c': 
+		case 'c':
 			return(DCyan);
-		case 'w': 
+		case 'w':
 			return(DWhite);
-		case 'R': 
+		case 'R':
 			return(atoi(s + 1));
-		case 'G': 
-			e1->pgap = atof(s + 1); 
+		case 'G':
+			e1->pgap = atof(s + 1);
 			return(-1);
-		case 'A': 
-			e1->pslant = (180. - atof(s + 1)) / RADIAN; 
+		case 'A':
+			e1->pslant = (180. - atof(s + 1)) / RADIAN;
 			return(-1);
 		}
-		while (*++s != 0) 
+		while (*++s != 0)
 			if (*s == '/') {
 				s++;
 				break;
@@ -52,20 +52,20 @@ bcolor(char *s){
 	return DBlack;
 }
 void sscpy(struct penvir *a, struct penvir *b){ /* copy 'a' onto 'b' */
-	b->left = a->left; 
-	b->bottom = a->bottom; 
-	b->xmin = a->xmin; 
+	b->left = a->left;
+	b->bottom = a->bottom;
+	b->xmin = a->xmin;
 	b->ymin = a->ymin;
-	b->scalex = a->scalex; 
+	b->scalex = a->scalex;
 	b->scaley = a->scaley;
-	b->sidex = a->sidex; 
+	b->sidex = a->sidex;
 	b->sidey = a->sidey;
-	b->copyx = a->copyx; 
+	b->copyx = a->copyx;
 	b->copyy = a->copyy;
 	b->quantum = a->quantum;
 	b->grade = a->grade;
-	b->pmode = a->pmode; 
-	b->foregr = a->foregr; 
+	b->pmode = a->pmode;
+	b->foregr = a->foregr;
 	b->backgr = a->backgr;
 }
 void idle(void){}

src/cmd/plot/plot.c

@@ -559,7 +559,7 @@ void call(char *a){
 		exits("undefined");
 	}
 	*ap = sav;
-	while (isspace((uchar)*ap) || *ap == ',') 
+	while (isspace((uchar)*ap) || *ap == ',')
 		ap++;
 	if (*ap != '\0')
 		SC = atof(ap);