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/db/command.c

@@ -76,26 +76,26 @@ command(char *buf, int defcom)
 			break;
 
 		case '>':
-			lastcom = savecom; 
+			lastcom = savecom;
 			savc=rdc();
 			if (reg=regname(savc))
 				rput(correg, reg, dot);
-			else	
+			else
 				error("bad variable");
 			break;
 
 		case '!':
 			lastcom=savecom;
-			shell(); 
+			shell();
 			break;
 
 		case '$':
 			lastcom=savecom;
-			printdollar(nextchar()); 
+			printdollar(nextchar());
 			break;
 
 		case ':':
-			if (!executing) { 
+			if (!executing) {
 				executing=TRUE;
 				subpcs(nextchar());
 				executing=FALSE;
@@ -107,7 +107,7 @@ command(char *buf, int defcom)
 			prints(DBNAME);
 			break;
 
-		default: 
+		default:
 			error("bad command");
 		}
 		flushbuf();
@@ -159,21 +159,21 @@ acommand(int pc)
 	{
 	case 'm':
 		if (eqcom)
-			error(BADEQ); 
+			error(BADEQ);
 		cmdmap(map);
 		break;
 
 	case 'L':
 	case 'l':
 		if (eqcom)
-			error(BADEQ); 
+			error(BADEQ);
 		cmdsrc(lastc, map);
 		break;
 
 	case 'W':
 	case 'w':
 		if (eqcom)
-			error(BADEQ); 
+			error(BADEQ);
 		cmdwrite(lastc, map);
 		break;
 
@@ -199,10 +199,10 @@ cmdsrc(int c, Map *map)
 	else
 		dotinc = 2;
 	savdot=dot;
-	expr(1); 
+	expr(1);
 	locval=expv;
 	if (expr(0))
-		locmsk=expv; 
+		locmsk=expv;
 	else
 		locmsk = ~0;
 	if (c == 'L')
@@ -211,8 +211,8 @@ cmdsrc(int c, Map *map)
 	else
 		while ((ret = get2(map, dot, &sh)) > 0 && (sh&locmsk) != locval)
 			dot = inkdot(dotinc);
-	if (ret < 0) { 
-		dot=savdot; 
+	if (ret < 0) {
+		dot=savdot;
 		error("%r");
 	}
 	symoff(buf, 512, dot, CANY);
@@ -235,7 +235,7 @@ cmdwrite(int wcom, Map *map)
 	expr(1);
 	pass = 0;
 	do {
-		pass++;  
+		pass++;
 		savdot=dot;
 		exform(1, 1, format, map, 0, pass);
 		dot=savdot;
@@ -247,7 +247,7 @@ cmdwrite(int wcom, Map *map)
 				error(badwrite);
 		}
 		savdot=dot;
-		dprint("=%8t"); 
+		dprint("=%8t");
 		exform(1, 0, format, map, 0, pass);
 		newline();
 	} while (expr(0));
@@ -305,7 +305,7 @@ shell(void)
 			}
 			break;
 		}
-		prints("!"); 
+		prints("!");
 		reread();
 	}
 }

src/cmd/db/expr.c

@@ -186,7 +186,7 @@ item(int a)
 			return 1;
 		}
 		error("bad file location");
-	} else if (symchar(0)) {	
+	} else if (symchar(0)) {
 		readsym(gsym);
 		if (lastc=='.') {
 			readchar();	/* ugh */
@@ -212,7 +212,7 @@ item(int a)
 		reread();
 	} else if (getnum(readchar)) {
 		;
-	} else if (lastc=='.') {	
+	} else if (lastc=='.') {
 		readchar();
 		if (!symchar(0) && lastc != '.') {
 			expv = dot;
@@ -228,7 +228,7 @@ item(int a)
 			if (localaddr(cormap, correg, s.name, lsym, &u) < 0)
 				error("%r");
 			expv = u;
-		}	
+		}
 		reread();
 	} else if (lastc=='"') {
 		expv=ditto;
@@ -245,7 +245,7 @@ item(int a)
 		expv = ascval();
 	else if (a)
 		error("address expected");
-	else {	
+	else {
 		reread();
 		return(0);
 	}

src/cmd/db/input.c

@@ -144,7 +144,7 @@ getformat(char *deformat)
  *
  *	we handle this case specially because we have to look ahead
  *	at the token after the colon to decide if it is a file reference
- *	or a colon-command with a symbol name prefix. 
+ *	or a colon-command with a symbol name prefix.
  */
 
 int

src/cmd/db/output.c

@@ -77,7 +77,7 @@ iclose(int stack, int err)
 		infile = STDIN;
 	} else {
 		if (infile) {
-			close(infile); 
+			close(infile);
 			infile=STDIN;
 		}
 		if (ifiledepth > 0) {

src/cmd/db/pcs.c

@@ -29,7 +29,7 @@ subpcs(int modif)
 	switch (modif) {
 
 		/* delete breakpoint */
-	case 'd': 
+	case 'd':
 	case 'D':
 		if ((bk=scanbkpt(dot)) == 0)
 			error("no breakpoint set");
@@ -37,7 +37,7 @@ subpcs(int modif)
 		return;
 
 		/* set breakpoint */
-	case 'b': 
+	case 'b':
 	case 'B':
 		if (bk=scanbkpt(dot))
 			bk->flag=BKPTCLR;
@@ -80,7 +80,7 @@ subpcs(int modif)
 		return;
 
 		/* run program */
-	case 'r': 
+	case 'r':
 	case 'R':
 		endpcs();
 		setup();
@@ -88,7 +88,7 @@ subpcs(int modif)
 		break;
 
 		/* single step */
-	case 's': 
+	case 's':
 		if (pid == 0) {
 			setup();
 			loopcnt--;
@@ -119,8 +119,8 @@ subpcs(int modif)
 		loopcnt = 0;
 		break;
 		/* continue with optional note */
-	case 'c': 
-	case 'C': 
+	case 'c':
+	case 'C':
 		if (pid==0)
 			error(NOPCS);
 		runmode=CONTIN;

src/cmd/db/setup.c

@@ -100,15 +100,15 @@ cmdmap(Map *map)
 	/*		textseg(expv, &fhdr); */
 		map->seg[i].base = expv;
 	} else
-		error("Invalid base address"); 
+		error("Invalid base address");
 	if (expr(0))
 		map->seg[i].size = expv - map->seg[i].base;
 	else
-		error("Invalid end address"); 
+		error("Invalid end address");
 	if (expr(0))
-		map->seg[i].offset = expv; 
+		map->seg[i].offset = expv;
 	else
-		error("Invalid file offset"); 
+		error("Invalid file offset");
 /*
 	if (rdc()=='?' && map == cormap) {
 		if (fcor)