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/sam/cmd.c

@@ -446,7 +446,7 @@ parsecmd(int nest)
 						if(nextc() == 'g')
 							cmd.flag = getch();
 					}
-			
+
 				}
 			}
 		}
@@ -537,7 +537,7 @@ simpleaddr(void)
 		addr.num = getnum(1);
 		break;
 	case '0': case '1': case '2': case '3': case '4':
-	case '5': case '6': case '7': case '8': case '9': 
+	case '5': case '6': case '7': case '8': case '9':
 		addr.num = getnum(1);
 		addr.type='l';
 		break;

src/cmd/sam/mesg.c

@@ -615,7 +615,7 @@ vlong
 invlong(void)
 {
 	vlong v;
-	
+
 	v = (inp[7]<<24) | (inp[6]<<16) | (inp[5]<<8) | inp[4];
 	v = (v<<16) | (inp[3]<<8) | inp[2];
 	v = (v<<16) | (inp[1]<<8) | inp[0];
@@ -778,7 +778,7 @@ void
 outshort(int s)
 {
 	*outp++ = s;
-	*outp++ = s>>8; 
+	*outp++ = s>>8;
 }
 
 void

src/cmd/sam/mesg.h

@@ -79,27 +79,27 @@ typedef struct Header{
 /*
  * File transfer protocol schematic, a la Holzmann
  * #define N	6
- * 
+ *
  * chan h = [4] of { mtype };
  * chan t = [4] of { mtype };
- * 
+ *
  * mtype = {	Hgrow, Hdata,
  * 		Hcheck, Hcheck0,
  * 		Trequest, Tcheck,
  * 	};
- * 
+ *
  * active proctype host()
  * {	byte n;
- * 
+ *
  * 	do
  * 	:: n <  N -> n++; t!Hgrow
  * 	:: n == N -> n++; t!Hcheck0
- * 
+ *
  * 	:: h?Trequest -> t!Hdata
  * 	:: h?Tcheck   -> t!Hcheck
  * 	od
  * }
- * 
+ *
  * active proctype term()
  * {
  * 	do
@@ -118,14 +118,14 @@ typedef struct Header{
  * From: gerard@research.bell-labs.com
  * Date: Tue Jul 17 13:47:23 EDT 2001
  * To: rob@research.bell-labs.com
- * 
+ *
  * spin -c 	(or -a) spec
  * pcc -DNP -o pan pan.c
  * pan -l
- * 
+ *
  * proves that there are no non-progress cycles
  * (infinite executions *not* passing through
  * the statement marked with a label starting
  * with the prefix "progress")
- * 
+ *
  */

src/cmd/sam/moveto.c

@@ -170,4 +170,3 @@ doubleclick(File *f, Posn p1)
 	while(--p >= 0 && alnum(filereadc(f, p)))
 		f->dot.r.p1--;
 }
-

src/cmd/sam/plumb.h

@@ -14,4 +14,3 @@ char *plumbunpackattr(char*);
 char *plumbpack(Plumbmsg *, int *);
 int plumbfree(Plumbmsg *);
 char *cleanname(char*);
-

src/cmd/sam/rasp.c

@@ -337,4 +337,3 @@ rdata(List *r, Posn p1, Posn n)
 	}
 	return rg;
 }
-

src/cmd/sam/sam.c

@@ -44,7 +44,7 @@ main(int _argc, char **_argv)
 	char **volatile argv;
 	String *t;
 	char *termargs[10], **ap;
-	
+
 	argc = _argc;
 	argv = _argv;
 	ap = termargs;

src/cmd/sam/unix.c

@@ -10,7 +10,7 @@
 #include "sam.h"
 
 Rune    samname[] = { '~', '~', 's', 'a', 'm', '~', '~', 0 };
- 
+
 static Rune l1[] = { '{', '[', '(', '<', 0253, 0};
 static Rune l2[] = { '\n', 0};
 static Rune l3[] = { '\'', '"', '`', 0};
@@ -85,15 +85,15 @@ getuser(void)
 	return user;
 }
 
-int     
-statfile(char *name, ulong *dev, uvlong *id, long *time, long *length, long *appendonly) 
+int
+statfile(char *name, ulong *dev, uvlong *id, long *time, long *length, long *appendonly)
 {
         struct stat dirb;
 
         if (stat(name, &dirb) == -1)
                 return -1;
         if (dev)
-                *dev = dirb.st_dev;   
+                *dev = dirb.st_dev;
         if (id)
                 *id = dirb.st_ino;
         if (time)
@@ -110,11 +110,11 @@ statfd(int fd, ulong *dev, uvlong *id, long *time, long *length, long *appendonl
 {
         struct stat dirb;
 
-        if (fstat(fd, &dirb) == -1)   
+        if (fstat(fd, &dirb) == -1)
                 return -1;
         if (dev)
                 *dev = dirb.st_dev;
-        if (id) 
+        if (id)
                 *id = dirb.st_ino;
         if (time)
                 *time = dirb.st_mtime;
@@ -174,11 +174,11 @@ tempdisk(void)
         int fd = temp_file(buf, sizeof buf);
         if (fd >= 0)
                 remove(buf);
-        return fd; 
+        return fd;
 }
 
 #undef waitfor
-int     
+int
 samwaitfor(int pid)
 {
 	int r;
@@ -218,5 +218,3 @@ erealloc(void *p, ulong n)
 		panic("realloc fails");
 	return p;
 }
-
-