add -W to specify window size.

various other little fixes.

20 files changed, 136 insertions, 277 deletions

diff --git a/src/cmd/9term/9term.c b/src/cmd/9term/9term.c
index feef6b68..3dafb385 100644
--- a/src/cmd/9term/9term.c
+++ b/src/cmd/9term/9term.c
@@ -186,7 +186,7 @@ Cursor whitearrow = {
 void
 usage(void)
 {
-	fprint(2, "usage: 9term [-ars] [cmd ...]\n");
+	fprint(2, "usage: 9term [-ars] [-W winsize] [cmd ...]\n");
 	threadexitsall("usage");
 }
 
@@ -215,6 +215,9 @@ threadmain(int argc, char *argv[])
 	case 'w':	/* started from "rio" window manager */
 		use9wm = 1;
 		break;
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	}ARGEND
 
 	if(font)
diff --git a/src/cmd/acidtypes/type.c b/src/cmd/acidtypes/type.c
index c9e8431e..5449077a 100644
--- a/src/cmd/acidtypes/type.c
+++ b/src/cmd/acidtypes/type.c
@@ -463,7 +463,7 @@ ttt=ttt->sub;
 					name, nameof(tt, 0));
 				Bprint(b, "\tindent_%s(addr+%lud, indent+\"  \");\n",
 					nameof(tt, 1), t->val[j]);
-				Bprint(b, "\tprint(indent, \"\t}\\n\");\n");
+				Bprint(b, "\tprint(indent, \"}\\n\");\n");
 				break;
 			}
 		}
diff --git a/src/cmd/acme/acme.c b/src/cmd/acme/acme.c
index 7c563380..8d0413fa 100644
--- a/src/cmd/acme/acme.c
+++ b/src/cmd/acme/acme.c
@@ -96,9 +96,14 @@ threadmain(int argc, char *argv[])
 		if(loadfile == nil)
 			goto Usage;
 		break;
+	case 'W':
+		winsize = ARGF();
+		if(winsize == nil)
+			goto Usage;
+		break;
 	default:
 	Usage:
-		fprint(2, "usage: acme -a -c ncol -f fontname -F fixedwidthfontname -l loadfile\n");
+		fprint(2, "usage: acme -a -c ncol -f fontname -F fixedwidthfontname -l loadfile -W winsize\n");
 		exits("usage");
 	}ARGEND
 
diff --git a/src/cmd/auxstats/Linux.c b/src/cmd/auxstats/Linux.c
index d4c2a29c..afd88407 100644
--- a/src/cmd/auxstats/Linux.c
+++ b/src/cmd/auxstats/Linux.c
@@ -109,21 +109,20 @@ xnet(int first)
 	totinb = 0;
 	totoub = 0;
 	for(i=0; i<nline; i++){
+		if((q = strchr(line[i], ':')) != nil)
+			*q = ' ';
 		tokens(i);
 		if(ntok < 8+8)
 			continue;
 		if(strncmp(tok[0], "eth", 3) != 0)
 			continue;
-		q = strchr(tok[0], ':');
-		*q++ = 0;
-		tok[0] = q;
-		inb = atoll(tok[0]);
-		oub = atoll(tok[8]);
-		in = atoll(tok[1]);
-		ou = atoll(tok[9]);
+		inb = atoll(tok[1]);
+		oub = atoll(tok[9]);
+		in = atoll(tok[2]);
+		ou = atoll(tok[10]);
 		b = inb+oub;
 		p = in+ou;
-		e = atoll(tok[2])+atoll(tok[10]);
+		e = atoll(tok[3])+atoll(tok[11]);
 		totb += b;
 		totp += p;
 		tote += e;
diff --git a/src/cmd/draw/gview.c b/src/cmd/draw/gview.c
index 82491558..5e80ee2a 100644
--- a/src/cmd/draw/gview.c
+++ b/src/cmd/draw/gview.c
@@ -1956,7 +1956,7 @@ void usage(void)
 	int i;
 	fprintf(stderr,"Usage %s [options] [infile]\n", argv0);
 	fprintf(stderr,
-"option ::= -l logfile | -m\n"
+"option ::= -W winsize | -l logfile | -m\n"
 "\n"
 "Read a polygonal line graph in an ASCII format (one x y pair per line, delimited\n"
 "by spaces with a label after each polyline), and view it interactively.  Use\n"
@@ -1981,6 +1981,9 @@ void main(int argc, char *argv[])
 		break;
 	case 'l': logfil = fopen(ARGF(),"w");
 		break;
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	default: usage();
 	} ARGEND
 
diff --git a/src/cmd/draw/img.c b/src/cmd/draw/img.c
index 354e5885..01caa3c4 100644
--- a/src/cmd/draw/img.c
+++ b/src/cmd/draw/img.c
@@ -6,7 +6,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: img [file]\n");
+	fprint(2, "usage: img [-W winsize] [file]\n");
 	exits("usage");
 }
 
@@ -29,6 +29,9 @@ main(int argc, char **argv)
 	Event e;
 
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	default:
 		usage();
 	}ARGEND
@@ -48,6 +51,8 @@ main(int argc, char **argv)
 	if((image=readimage(display, fd, 0)) == nil)
 		sysfatal("readimage: %r");
 
+	drawresizewindow(Rect(0,0,Dx(image->r),Dy(image->r)));
+
 	einit(Emouse|Ekeyboard);
 	eresized(0);
 	for(;;){
diff --git a/src/cmd/draw/stats.c b/src/cmd/draw/stats.c
index f49f541c..8a43fb09 100644
--- a/src/cmd/draw/stats.c
+++ b/src/cmd/draw/stats.c
@@ -332,7 +332,7 @@ update1(Graph *g, long v, ulong vmax)
 void
 usage(void)
 {
-	fprint(2, "usage: stats [-O] [-S scale] [-LY] [-%s] [machine...]\n", argchars);
+	fprint(2, "usage: stats [-O] [-S scale] [-LY] [-W winsize] [-%s] [machine...]\n", argchars);
 	exits("usage");
 }
 
@@ -710,6 +710,9 @@ threadmain(int argc, char *argv[])
 	case 'O':
 		oldsystem = 1;
 		break;
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	default:
 		if(nargs>=sizeof args || strchr(argchars, ARGC())==nil)
 			usage();
diff --git a/src/cmd/draw/tweak.c b/src/cmd/draw/tweak.c
index c7e12878..82a22ee1 100644
--- a/src/cmd/draw/tweak.c
+++ b/src/cmd/draw/tweak.c
@@ -172,12 +172,26 @@ void	drawall(void);
 void	tclose1(Thing*);
 
 void
+usage(void)
+{
+	fprint(2, "usage: tweak [-W winsize] file...\n");
+	exits("usage");
+}
+
+void
 main(int argc, char *argv[])
 {
 	int i;
 	Event e;
 	Thing *t;
 
+	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
+	default:
+		usage();
+	}ARGEND
 	mag = Mag;
 	if(initdraw(error, 0, "tweak") < 0){
 		fprint(2, "tweak: initdraw failed: %r\n");
@@ -191,7 +205,7 @@ main(int argc, char *argv[])
 	}
 	einit(Emouse|Ekeyboard);
 	eresized(0);
-	i = 1;
+	i = 0;
 	setjmp(err);
 	for(; i<argc; i++){
 		file = argv[i];
diff --git a/src/cmd/jpg/bmp.c b/src/cmd/jpg/bmp.c
index f7e07a01..ba1b813a 100644
--- a/src/cmd/jpg/bmp.c
+++ b/src/cmd/jpg/bmp.c
@@ -44,12 +44,22 @@ eresized(int new)
 }
 
 void
+usage(void)
+{
+	fprint(2, "usage: bmp -39cdektv -W winsize [file.bmp ...]\n");
+	exits("usage");
+}
+
+void
 main(int argc, char *argv[])
 {
 	int fd, i;
 	char *err;
 
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	case '3':		/* produce encoded, compressed, three-color bitmap file; no display by default */
 		threeflag++;
 		/* fall through */
@@ -89,8 +99,7 @@ main(int argc, char *argv[])
 			outchan = CMAP8;
 		break;
 	default:
-		fprint(2, "usage: bmp -39cdektv  [file.bmp ...]\n");
-		exits("usage");
+		usage();
 	}ARGEND;
 
 	err = nil;
diff --git a/src/cmd/jpg/gif.c b/src/cmd/jpg/gif.c
index f9927017..f8f89de9 100644
--- a/src/cmd/jpg/gif.c
+++ b/src/cmd/jpg/gif.c
@@ -57,12 +57,23 @@ eresized(int new)
 }
 
 void
+usage(void)
+{
+	fprint(2, "usage: gif -39cdektv -W winsize [file.gif ...]\n");
+	exits("usage");
+}
+
+
+void
 main(int argc, char *argv[])
 {
 	int fd, i;
 	char *err;
 
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	case '3':		/* produce encoded, compressed, three-color bitmap file; no display by default */
 		threeflag++;
 		/* fall through */
@@ -102,8 +113,7 @@ main(int argc, char *argv[])
 			outchan = CMAP8;
 		break;
 	default:
-		fprint(2, "usage: gif -39cdektv  [file.gif ...]\n");
-		exits("usage");
+		usage();
 	}ARGEND;
 
 	err = nil;
diff --git a/src/cmd/jpg/ico.c b/src/cmd/jpg/ico.c
index 3a275e65..1380b18f 100644
--- a/src/cmd/jpg/ico.c
+++ b/src/cmd/jpg/ico.c
@@ -258,7 +258,7 @@ Bgeticon(Biobuf *b, Icon *icon)
 void
 usage(void)
 {
-	fprint(2, "usage: %s [file]\n", argv0);
+	fprint(2, "usage: %s -W winsize [file]\n", argv0);
 	exits("usage");
 }
 
@@ -444,6 +444,9 @@ main(int argc, char **argv)
 	Event e;
 
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	case 'd':
 		debug = 1;
 		break;
diff --git a/src/cmd/jpg/jpg.c b/src/cmd/jpg/jpg.c
index cf438a93..f61172a5 100644
--- a/src/cmd/jpg/jpg.c
+++ b/src/cmd/jpg/jpg.c
@@ -46,6 +46,13 @@ eresized(int new)
 }
 
 void
+usage(void)
+{
+	fprint(2, "usage: jpg -39cdefFkJrtv -W winsize [file.jpg ...]\n");
+	exits("usage");
+}
+
+void
 main(int argc, char *argv[])
 {
 	int fd, i, yflag;
@@ -54,6 +61,9 @@ main(int argc, char *argv[])
 
 	yflag = 0;
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	case 'c':		/* produce encoded, compressed, bitmap file; no display by default */
 		cflag++;
 		dflag++;
@@ -110,8 +120,7 @@ main(int argc, char *argv[])
 			outchan = CMAP8;
 		break;
 	default:
-		fprint(2, "usage: jpg -39cdefFkJrtv [file.jpg ...]\n");
-		exits("usage");
+		usage();
 	}ARGEND;
 
 	if(yflag==0 && dflag==0 && colorspace==CYCbCr){	/* see if we should convert right to RGB */
diff --git a/src/cmd/jpg/png.c b/src/cmd/jpg/png.c
index d653fe6a..a815abfc 100644
--- a/src/cmd/jpg/png.c
+++ b/src/cmd/jpg/png.c
@@ -44,6 +44,13 @@ eresized(int new)
 }
 
 void
+usage(void)
+{
+	fprint(2, "usage: png -39cdekrtv -W winsize [file.png ...]\n");
+	exits("usage");
+}
+
+void
 main(int argc, char *argv[])
 {
 	int fd, i;
@@ -51,6 +58,9 @@ main(int argc, char *argv[])
 	char buf[12+1];
 
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	case 'c':		/* produce encoded, compressed, bitmap file; no display by default */
 		cflag++;
 		dflag++;
@@ -96,8 +106,7 @@ main(int argc, char *argv[])
 			outchan = CMAP8;
 		break;
 	default:
-		fprint(2, "usage: png -39cdekrtv [file.png ...]\n");
-		exits("usage");
+		usage();
 	}ARGEND;
 
 	if(dflag==0 && colorspace==CYCbCr){	/* see if we should convert right to RGB */
diff --git a/src/cmd/jpg/ppm.c b/src/cmd/jpg/ppm.c
index 24019dfa..d90344ed 100644
--- a/src/cmd/jpg/ppm.c
+++ b/src/cmd/jpg/ppm.c
@@ -42,12 +42,22 @@ eresized(int new)
 }
 
 void
+usage(void)
+{
+	fprint(2, "usage: ppm -39cdektv -W winsize [file.ppm ...]\n");
+	exits("usage");
+}
+
+void
 main(int argc, char *argv[])
 {
 	int fd, i;
 	char *err;
 
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	case '3':		/* produce encoded, compressed, three-color bitmap file; no display by default */
 		threeflag++;
 		/* fall through */
@@ -87,8 +97,7 @@ main(int argc, char *argv[])
 			outchan = CMAP8;
 		break;
 	default:
-		fprint(2, "usage: ppm -39cdektv  [file.ppm ...]\n");
-		exits("usage");
+		usage();
 	}ARGEND;
 
 	err = nil;
diff --git a/src/cmd/jpg/yuv.c b/src/cmd/jpg/yuv.c
index 929ccf39..6027236b 100644
--- a/src/cmd/jpg/yuv.c
+++ b/src/cmd/jpg/yuv.c
@@ -44,12 +44,22 @@ eresized(int new)
 }
 
 void
+usage(void)
+{
+	fprint(2, "usage: yuv -39cdektv -W winsize [file.yuv ...]\n");
+	exits("usage");
+}
+
+void
 main(int argc, char *argv[])
 {
 	int fd, i;
 	char *err;
 
 	ARGBEGIN{
+	case 'W':
+		winsize = EARGF(usage());
+		break;
 	case '3':		/* produce encoded, compressed, three-color bitmap file; no display by default */
 		threeflag++;
 		/* fall through */
@@ -89,8 +99,7 @@ main(int argc, char *argv[])
 			outchan = CMAP8;
 		break;
 	default:
-		fprint(2, "usage: yuv -39cdektv  [file.yuv ...]\n");
-		exits("usage");
+		usage();
 	}ARGEND;
 
 	err = nil;
diff --git a/src/cmd/mc.c b/src/cmd/mc.c
deleted file mode 100644
index 45e7adf4..00000000
--- a/src/cmd/mc.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * mc - columnate
- *
- * mc[-][-LINEWIDTH][-t][file...]
- *	- causes break on colon
- *	-LINEWIDTH sets width of line in which to columnate(default 80)
- *	-t suppresses expanding multiple blanks into tabs
- *
- */
-#include	<u.h>
-#include	<sys/ioctl.h>
-#include	<sys/termios.h>
-#include	<libc.h>
-#include	<draw.h>
-#include	<bio.h>
-
-#define	WIDTH			80
-#define	TAB	4
-#define	WORD_ALLOC_QUANTA	1024
-#define	ALLOC_QUANTA		4096
-
-int linewidth=WIDTH;
-int colonflag=0;
-int tabflag=0;	/* -t flag turned off forever */
-Rune *cbuf, *cbufp;
-Rune **word;
-int maxwidth=0;
-int nalloc=ALLOC_QUANTA;
-int nwalloc=WORD_ALLOC_QUANTA;
-int nchars=0;
-int nwords=0;
-Biobuf	bin;
-Biobuf	bout;
-
-void getwidth(void), readbuf(int), error(char *);
-void scanwords(void), columnate(void), morechars(void);
-
-void
-main(int argc, char *argv[])
-{
-	int i;
-	int lineset;
-	int ifd;
-
-	lineset = 0;
-	Binit(&bout, 1, OWRITE);
-	while(argc > 1 && argv[1][0] == '-'){
-		--argc; argv++;
-		switch(argv[0][1]){
-		case '\0':
-			colonflag = 1;
-			break;
-		case 't':
-			tabflag = 0;
-			break;
-		default:
-			linewidth = atoi(&argv[0][1]);
-			if(linewidth <= 1)
-				linewidth = WIDTH;
-			lineset = 1;
-			break;
-		}
-	}
-	if(lineset == 0)
-		getwidth();
-	cbuf = cbufp = malloc(ALLOC_QUANTA*(sizeof *cbuf));
-	word = malloc(WORD_ALLOC_QUANTA*(sizeof *word));
-	if(word == 0 || cbuf == 0)
-		error("out of memory");
-	if(argc == 1)
-		readbuf(0);
-	else{
-		for(i = 1; i < argc; i++){
-			if((ifd = open(*++argv, OREAD)) == -1)
-				fprint(2, "mc: can't open %s (%r)\n", *argv);
-			else{
-				readbuf(ifd);
-				Bflush(&bin);
-				close(ifd);
-			}
-		}
-	}
-	columnate();
-	exits(0);
-}
-void
-error(char *s)
-{
-	fprint(2, "mc: %s\n", s);
-	exits(s);
-}
-void
-readbuf(int fd)
-{
-	int lastwascolon = 0;
-	long c;
-	int linesiz = 0;
-
-	Binit(&bin, fd, OREAD);
-	do{
-		if(nchars++ >= nalloc)
-			morechars();
-		*cbufp++ = c = Bgetrune(&bin);
-		linesiz++;
-		if(c == '\t') {
-			cbufp[-1] = L' ';
-			while(linesiz%TAB != 0) {
-				if(nchars++ >= nalloc)
-					morechars();
-				*cbufp++ = L' ';
-				linesiz++;
-			}
-		}
-		if(colonflag && c == ':')
-			lastwascolon++;
-		else if(lastwascolon){
-			if(c == '\n'){
-				--nchars; 	/* skip newline */
-				*cbufp = L'\0';
-				while(nchars > 0 && cbuf[--nchars] != '\n')
-					;
-				if(nchars)
-					nchars++;
-				columnate();
-				if (nchars)
-					Bputc(&bout, '\n');
-				Bprint(&bout, "%S", cbuf+nchars);
-				nchars = 0;
-				cbufp = cbuf;
-			}
-			lastwascolon = 0;
-		}
-		if(c == '\n')
-			linesiz = 0;
-	}while(c >= 0);
-}
-void
-scanwords(void)
-{
-	Rune *p, *q;
-	int i;
-
-	nwords=0;
-	maxwidth=0;
-	for(p = q = cbuf, i = 0; i < nchars; i++){
-		if(*p++ == L'\n'){
-			if(nwords >= nwalloc){
-				nwalloc += WORD_ALLOC_QUANTA;
-				if((word = realloc(word, nwalloc*sizeof(*word)))==0)
-					error("out of memory");
-			}
-			word[nwords++] = q;
-			p[-1] = L'\0';
-			if(p-q > maxwidth)
-				maxwidth = p-q;
-			q = p;
-		}
-	}
-}
-
-void
-columnate(void)
-{
-	int i, j;
-	int words_per_line;
-	int nlines;
-	int col;
-	int endcol;
-
-
-	scanwords();
-	if(nwords==0)
-		return;
-	words_per_line = linewidth/maxwidth;
-	if(words_per_line <= 0)
-		words_per_line = 1;
-	nlines=(nwords+words_per_line-1)/words_per_line;
-	for(i = 0; i < nlines; i++){
-		col = endcol = 0;
-		for(j = i; j < nwords; j += nlines){
-			endcol += maxwidth;
-			Bprint(&bout, "%S", word[j]);
-			col += word[j+1]-word[j]-1;
-			if(j+nlines < nwords){
-				if(tabflag) {
-					int tabcol = (col|(TAB-1))+1;
-					while(tabcol <= endcol){
-						Bputc(&bout, '\t');
-						col = tabcol;
-						tabcol += TAB;
-					}
-				}
-				while(col < endcol){
-					Bputc(&bout, ' ');
-					col++;
-				}
-			}
-		}
-		Bputc(&bout, '\n');
-	}
-}
-
-void
-morechars(void)
-{
-	nalloc += ALLOC_QUANTA;
-	if((cbuf = realloc(cbuf, nalloc*sizeof(*cbuf))) == 0)
-		error("out of memory");
-	cbufp = cbuf+nchars-1;
-}
-
-/*
- * These routines discover the width of the display.
- * It takes some work.  If we do the easy calls to the
- * draw library, the screen flashes due to repainting
- * when mc exits.
- */
-
-int
-windowrect(struct winsize *ws)
-{
-	int tty;
-
-	if((tty = open("/dev/tty", OWRITE)) < 0)
-		tty = 1;
-
-	if(ioctl(tty, TIOCGWINSZ, ws) < 0){
-		if(tty != 1)
-			close(tty);
-		return -1;
-	}
-	if(tty != 1)
-		close(tty);
-	return 0;
-}
-
-void
-getwidth(void)
-{
-	struct winsize ws;
-
-	if(windowrect(&ws) < 0)
-		return;
-	linewidth = ws.ws_col;
-}
diff --git a/src/cmd/plot/plot.c b/src/cmd/plot/plot.c
index 04e5cf54..1360f686 100644
--- a/src/cmd/plot/plot.c
+++ b/src/cmd/plot/plot.c
@@ -149,6 +149,7 @@ main(int arc, char *arv[]){
 	fd = dup(0, -1);		/* because openpl will close 0! */
 	dflag=0;
 	oflag="";
+	winsize = "512x512";
 	for(i=1;i!=arc;i++) if(arv[i][0]=='-') switch(arv[i][1]){
 	case 'd': dflag=1; break;
 	case 'o': oflag=arv[i]+2; break;
@@ -168,7 +169,6 @@ main(int arc, char *arv[]){
 			case 'D': break;
 			case 'd': break;
 			case 'o': break;
-			case 'W': break;
 			case 's': break;
 			case 'e': erase(); break;
 			case 'C': closepl(); break;
@@ -177,6 +177,7 @@ main(int arc, char *arv[]){
 			case 'f': cfill(ap+1); break;
 			case 'p': pen(ap+1); break;
 			case 'g': grade(atof(ap+1)); break;
+			case 'W': winsize = ap+1; break;
 			}
 		}
 		else if ((bp = Bopen(arv[1], OREAD)) == 0) {
diff --git a/src/cmd/sam/sam.c b/src/cmd/sam/sam.c
index 078d9439..5a009bb0 100644
--- a/src/cmd/sam/sam.c
+++ b/src/cmd/sam/sam.c
@@ -29,6 +29,8 @@ File	*lastfile;
 Disk	*disk;
 long	seq;
 
+char *winsize;
+
 Rune	baddir[] = { '<', 'b', 'a', 'd', 'd', 'i', 'r', '>', '\n'};
 
 void	usage(void);
@@ -82,6 +84,10 @@ main(int argc, char *argv[])
                         argc--;
                         break;
 
+		case 'W':
+			--argc, argv++;
+			break;
+
 		default:
 			dprint("sam: unknown flag %c\n", argv[0][1]);
 			exits("usage");
@@ -101,7 +107,7 @@ main(int argc, char *argv[])
 	if(home == 0)
 		home = "/";
 	if(!dflag)
-		startup(machine, Rflag, arg, ap);
+		startup(machine, Rflag, arg, argv);
 	notify(notifyf);
 	getcurwd();
 	if(argc>1){
diff --git a/src/cmd/samterm/plan9.c b/src/cmd/samterm/plan9.c
index feb89573..4d58c609 100644
--- a/src/cmd/samterm/plan9.c
+++ b/src/cmd/samterm/plan9.c
@@ -28,10 +28,15 @@ static char *exname;
 void
 getscreen(int argc, char **argv)
 {
+	int i;
 	char *t;
 
-	USED(argc);
-	USED(argv);
+	/* not exactly right */
+	for(i=0; i<argc-1; i++){
+		if(strcmp(argv[i], "-W") == 0)
+			winsize = argv[i+1];
+	}
+
 	if(initdraw(panic1, nil, "sam") < 0){
 		fprint(2, "samterm: initdraw: %r\n");
 		threadexitsall("init");
diff --git a/src/cmd/vac/vtdump.c b/src/cmd/vac/vtdump.c
index daabedc6..ee6a0c62 100644
--- a/src/cmd/vac/vtdump.c
+++ b/src/cmd/vac/vtdump.c
@@ -87,10 +87,12 @@ threadmain(int argc, char *argv[])
 		Bprint(bout, "prev: %V\n", root.prev);
 	}
 
+fprint(2, "read...\n");
 	n = vtread(z, root.score, VtDirType, buf, bsize);
 	if(n < 0)
 		sysfatal("could not read root dir");
 
+fprint(2, "...\n");
 	/* fake up top level source */
 	memset(&source, 0, sizeof(source));
 	memmove(source.score, root.score, VtScoreSize);