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>

12 files changed, 31 insertions, 35 deletions

diff --git a/src/cmd/jpg/jpegdump.c b/src/cmd/jpg/jpegdump.c
index 6a0a7a00..5ecfc20a 100644
--- a/src/cmd/jpg/jpegdump.c
+++ b/src/cmd/jpg/jpegdump.c
@@ -134,7 +134,7 @@ void get_sof (int kind) {
 		tab = get1();
 		printf ("\tcomponent %d: %d hsample, %d vsample, quantization table %d\n",
 			id, sf >> 4, sf & 0xf, tab);
-	}		
+	}
 }
 
 void get_com (int kind) {
@@ -301,10 +301,10 @@ marker:
 		case 0xd8:
 			printf ("SOI\n");
 			break;
-		case 0xe0: case 0xe1: case 0xe2: case 0xe3: 
-		case 0xe4: case 0xe5: case 0xe6: case 0xe7: 
-		case 0xe8: case 0xe9: case 0xea: case 0xeb: 
-		case 0xec: case 0xed: case 0xee: case 0xef: 
+		case 0xe0: case 0xe1: case 0xe2: case 0xe3:
+		case 0xe4: case 0xe5: case 0xe6: case 0xe7:
+		case 0xe8: case 0xe9: case 0xea: case 0xeb:
+		case 0xec: case 0xed: case 0xee: case 0xef:
 			get_app(c);
 			break;
 		case 0xda:
diff --git a/src/cmd/jpg/jpg.c b/src/cmd/jpg/jpg.c
index f74da4c5..7618c605 100644
--- a/src/cmd/jpg/jpg.c
+++ b/src/cmd/jpg/jpg.c
@@ -225,7 +225,7 @@ vidmerge(Rawimage **aa1, Rawimage **aa2)
 			free(a2->cmap);
 		free(a1);
 		free(a2);
-	}	
+	}
 	if (aa2[i] != nil)
 		fprint(2, "jpg: vidmerge: unequal lengths\n");
 	free(aa1);
diff --git a/src/cmd/jpg/onechan.c b/src/cmd/jpg/onechan.c
index ea1c489b..9baf366c 100644
--- a/src/cmd/jpg/onechan.c
+++ b/src/cmd/jpg/onechan.c
@@ -63,7 +63,7 @@ load(Image *image, Memimage *memimage)
 	dx = Dx(r);
 	dy = Dy(r);
 
-	/* 
+	/*
 	 * Read image data into memory
 	 * potentially one extra byte on each end of each scan line.
 	 */
diff --git a/src/cmd/jpg/readbmp.c b/src/cmd/jpg/readbmp.c
index 154cb48d..586f63cd 100644
--- a/src/cmd/jpg/readbmp.c
+++ b/src/cmd/jpg/readbmp.c
@@ -185,7 +185,7 @@ load_4C(Biobuf *b, long width, long height, Rgb* buf, Rgb* clut)
 						p = &buf[ix + iy * width];
 						if((1 == (val & 3)) || (2 == (val & 3)))
 							skip = 1;
-						else 
+						else
 							skip = 0;
 
 						while(val--) {
@@ -273,7 +273,7 @@ load_8C(Biobuf *b, long width, long height, Rgb* buf, Rgb* clut)
 						p = &buf[ix + iy * width];
 						if(val & 1)
 							skip = 1;
-						else 
+						else
 							skip = 0;
 
 						while(val--) {
@@ -488,7 +488,7 @@ ReadBMP(Biobuf *b, int *width, int *height)
 		num_coltab = 3;
 
 	if(num_coltab) {
-		int i; 
+		int i;
 		Bseek(b, bmih.size + sizeof(Infohdr), 0);
 
 		for(i = 0; i < num_coltab; i++) {
@@ -622,5 +622,3 @@ readbmp(int fd, int colorspace)
 	Bterm(&b);
 	return a;
 }
-
-
diff --git a/src/cmd/jpg/readgif.c b/src/cmd/jpg/readgif.c
index 22365669..092faf07 100644
--- a/src/cmd/jpg/readgif.c
+++ b/src/cmd/jpg/readgif.c
@@ -166,7 +166,7 @@ readarray(Header *h)
 	nimages = 0;
 	array[0] = nil;
 	h->array = array;
-		
+
 	for(;;){
 		switch(c = Bgetc(h->fd)){
 		case Beof:
diff --git a/src/cmd/jpg/readjpg.c b/src/cmd/jpg/readjpg.c
index f3ad802e..c69d0438 100644
--- a/src/cmd/jpg/readjpg.c
+++ b/src/cmd/jpg/readjpg.c
@@ -78,7 +78,7 @@ struct Header
 	Huffman	acht[4];
 	int		**data[3];
 	int		ndata[3];
-	
+
 	uchar	*sf;	/* start of frame; do better later */
 	uchar	*ss;	/* start of scan; do better later */
 	int		ri;	/* restart interval */
@@ -1484,7 +1484,7 @@ receiveEOB(Header *h, int s)
 	return v;
 }
 
-/* 
+/*
  * return next bit of input
  */
 static
diff --git a/src/cmd/jpg/readpng.c b/src/cmd/jpg/readpng.c
index 5fdbc1db..e327a572 100644
--- a/src/cmd/jpg/readpng.c
+++ b/src/cmd/jpg/readpng.c
@@ -11,9 +11,9 @@ int debug;
 enum{  IDATSIZE=1000000,
 	/* filtering algorithms, supposedly increase compression */
 	FilterNone =	0,	/* new[x][y] = buf[x][y] */
-	FilterSub	=	1,	/* new[x][y] = buf[x][y] + new[x-1][y] */ 
-	FilterUp	=	2,	/* new[x][y] = buf[x][y] + new[x][y-1] */ 
-	FilterAvg	=	3,	/* new[x][y] = buf[x][y] + (new[x-1][y]+new[x][y-1])/2 */ 
+	FilterSub	=	1,	/* new[x][y] = buf[x][y] + new[x-1][y] */
+	FilterUp	=	2,	/* new[x][y] = buf[x][y] + new[x][y-1] */
+	FilterAvg	=	3,	/* new[x][y] = buf[x][y] + (new[x-1][y]+new[x][y-1])/2 */
 	FilterPaeth=	4,	/* new[x][y] = buf[x][y] + paeth(new[x-1][y],new[x][y-1],new[x-1][y-1]) */
 	FilterLast	=	5,
 	PropertyBit =	1<<5
@@ -141,11 +141,11 @@ refill_buffer:
 	return *z->b++;
 }
 
-static uchar 
+static uchar
 paeth(uchar a, uchar b, uchar c)
 {
 	int p, pa, pb, pc;
-	
+
 	p = (int)a + (int)b - (int)c;
 	pa = abs(p - (int)a);
 	pb = abs(p - (int)b);
@@ -218,7 +218,7 @@ convertpix(ZlibW *z, uchar *pixel, uchar *r, uchar *g, uchar *b)
 		break;
 	default:
 		sysfatal("bad number of channels: %d", z->nchan);
-	} 
+	}
 }
 
 static void
@@ -234,7 +234,7 @@ scan(ZlibW *z)
 
 	unfilter(p[0], p+1, z->pscan+1, z->scanl-1, (nch*z->bpp+7)/8);
 /*
- *	Adam7 interlace order. 
+ *	Adam7 interlace order.
  *	1 6 4 6 2 6 4 6
  *	7 7 7 7 7 7 7 7
  *	5 6 5 6 5 6 5 6
diff --git a/src/cmd/jpg/readppm.c b/src/cmd/jpg/readppm.c
index 073f4436..7067fc15 100644
--- a/src/cmd/jpg/readppm.c
+++ b/src/cmd/jpg/readppm.c
@@ -21,7 +21,7 @@ Bgetch(Biobuf *b)
 		while((c = Bgetc(b)) != Beof && c != '\n')
 			;
 	}
-	return c;		
+	return c;
 }
 
 /*
@@ -40,7 +40,7 @@ Bgetint(Biobuf *b)
 		return -1;
 
 	i = 0;
-	do { 
+	do {
 		i = i*10 + (c-'0');
 	} while((c = Bgetch(b)) != Beof && isdigit(c));
 
diff --git a/src/cmd/jpg/readyuv.c b/src/cmd/jpg/readyuv.c
index f90bc237..5194d544 100644
--- a/src/cmd/jpg/readyuv.c
+++ b/src/cmd/jpg/readyuv.c
@@ -29,7 +29,7 @@ enum {
 
 static int lsbtab[] = { 6, 4, 2, 0};
 
-static int 
+static int
 clip(int x)
 {
 	x >>= 18;
@@ -186,5 +186,3 @@ readyuv(int fd, int colorspace)
 	Bterm(&b);
 	return a;
 }
-
-
diff --git a/src/cmd/jpg/writegif.c b/src/cmd/jpg/writegif.c
index 08fc4801..780bf7a5 100644
--- a/src/cmd/jpg/writegif.c
+++ b/src/cmd/jpg/writegif.c
@@ -281,7 +281,7 @@ writegraphiccontrol(Biobuf *fd, int dt, int trans)
 		Bputc(fd, 0x01);
 	else
 		Bputc(fd, 0x00);
-	
+
 	/* Delay time, in centisec (argument is millisec for sanity) */
 	if(dt < 0)
 		dt = 0;
@@ -345,7 +345,7 @@ writedata(Biobuf *fd, Image *image, Memimage *memimage)
 	else
 		Bputc(fd, depth);
 
-	/* 
+	/*
 	 * Read image data into memory
 	 * potentially one extra byte on each end of each scan line
 	 */
diff --git a/src/cmd/jpg/writepng.c b/src/cmd/jpg/writepng.c
index 24a61a36..d0baf122 100644
--- a/src/cmd/jpg/writepng.c
+++ b/src/cmd/jpg/writepng.c
@@ -70,7 +70,7 @@ zread(void *va, void *buf, int n)
 	uchar *b = buf, *e = b+n, *img;
 	int pixels;  /* number of pixels in row that can be sent now */
 	int i, a, pixwid;
-	
+
 	pixwid = z->pixwid;
 	while(b+pixwid <= e){ /* loop over image rows */
 		if(z->row >= nrow)
@@ -103,7 +103,7 @@ zread(void *va, void *buf, int n)
 					b[2] = (b[2]*255)/a;
 				}
 			}
-		}else	
+		}else
 			b += pixwid*pixels;
 
 		z->col += pixels;
@@ -148,7 +148,7 @@ memRGBA(Memimage *i)
 	Memimage *ni;
 	char buf[32];
 	ulong dst;
-	
+
 	/*
 	 * [A]BGR because we want R,G,B,[A] in big-endian order.  Sigh.
 	 */
@@ -157,7 +157,7 @@ memRGBA(Memimage *i)
 		dst = ABGR32;
 	else
 		dst = BGR24;
-		
+
 	if(i->chan == dst)
 		return i;
 
@@ -211,7 +211,7 @@ memwritepng(Biobuf *bo, Memimage *r, ImageInfo *II)
 	*h++ = tm->min;
 	*h++ = tm->sec;
 	chunk(bo, "tIME", buf, h-buf);
-	
+
 	if(II->fields_set & II_GAMMA){
 		vgamma = II->gamma*100000;
 		put4(buf, vgamma);
diff --git a/src/cmd/jpg/writeppm.c b/src/cmd/jpg/writeppm.c
index c8378652..da528a44 100644
--- a/src/cmd/jpg/writeppm.c
+++ b/src/cmd/jpg/writeppm.c
@@ -30,7 +30,7 @@ writedata(Biobuf *fd, Image *image, Memimage *memimage)
 		chan = image->chan;
 	}
 
-	/* 
+	/*
 	 * Read image data into memory
 	 * potentially one extra byte on each end of each scan line
 	 */