add autoindent (-a) and chording.

clean up argument parsing.

src/cmd/sam/io.c

@@ -176,7 +176,7 @@ int	remotefd0 = 0;
 int	remotefd1 = 1;
 
 void
-bootterm(char *machine, char **argv, char **end)
+bootterm(char *machine, char **argv)
 {
 	int ph2t[2], pt2h[2];
 
@@ -186,7 +186,6 @@ bootterm(char *machine, char **argv, char **end)
 		close(remotefd0);
 		close(remotefd1);
 		argv[0] = "samterm";
-		*end = 0;
 		execvp(samterm, argv);
 		fprint(2, "can't exec %s: %r\n", samterm);
 		_exits("damn");
@@ -202,7 +201,6 @@ bootterm(char *machine, char **argv, char **end)
 		close(pt2h[0]);
 		close(pt2h[1]);
 		argv[0] = "samterm";
-		*end = 0;
 		execvp(samterm, argv);
 		fprint(2, "can't exec: ");
 		perror(samterm);
@@ -269,12 +267,12 @@ connectto(char *machine, char **argv)
 }
 
 void
-startup(char *machine, int Rflag, char **argv, char **end, char **files)
+startup(char *machine, int Rflag, char **argv, char **files)
 {
 	if(machine)
 		connectto(machine, files);
 	if(!Rflag)
-		bootterm(machine, argv, end);
+		bootterm(machine, argv);
 	downloaded = 1;
 	outTs(Hversion, VERSION);
 }

src/cmd/sam/mesg.h

@@ -66,7 +66,7 @@ typedef enum Hmesg
 	Hsnarflen,	/* report length of implicit snarf */
 	Hack,		/* request acknowledgement */
 	Hexit,
-	Hplumb,		/* return plumb message to terminal */
+	Hplumb,		/* return plumb message to terminal - version 1 */
 	HMAX,
 }Hmesg;
 typedef struct Header{

src/cmd/sam/sam.c

@@ -42,58 +42,40 @@ main(int volatile argc, char **volatile argv)
 {
 	int volatile i;
 	String *t;
-	char **ap, **arg;
+	char *termargs[10], **ap;
+	
+	ap = termargs;
+	*ap++ = "samterm";
+	ARGBEGIN{
+	case 'd':
+		dflag++;
+		break;
+	case 'r':
+		machine = EARGF(usage());
+		break;
+	case 'R':
+		Rflag++;
+		break;
+	case 't':
+		samterm = EARGF(usage());
+		break;
+	case 's':
+		rsamname = EARGF(usage());
+		break;
+	default:
+		dprint("sam: unknown flag %c\n", ARGC());
+		usage();
+	/* options for samterm */
+	case 'a':
+		*ap++ = "-a";
+		break;
+	case 'W':
+		*ap++ = "-W";
+		*ap++ = EARGF(usage());
+		break;
+	}ARGEND
+	*ap = nil;
 
-	arg = argv++;
-	ap = argv;
-	while(argc>1 && argv[0] && argv[0][0]=='-'){
-		switch(argv[0][1]){
-		case 'd':
-			dflag++;
-			break;
-
-		case 'r':
-			--argc, argv++;
-			if(argc == 1)
-				usage();
-			machine = *argv;
-			break;
-
-		case 'R':
-			Rflag++;
-			break;
-
-		case 't':
-			--argc, argv++;
-			if(argc == 1)
-				usage();
-			samterm = *argv;
-			break;
-
-		case 's':
-			--argc, argv++;
-			if(argc == 1)
-				usage();
-			rsamname = *argv;
-			break;
-
-		case 'x':       /* x11 option - strip the x */
-                        strcpy(*argv+1, *argv+2);
-                        *ap++ = *argv++;
-                        *ap++ = *argv;
-                        argc--;
-                        break;
-
-		case 'W':
-			--argc, argv++;
-			break;
-
-		default:
-			dprint("sam: unknown flag %c\n", argv[0][1]);
-			exits("usage");
-		}
-		--argc, argv++;
-	}
 	Strinit(&cmdstr);
 	Strinit0(&lastpat);
 	Strinit0(&lastregexp);
@@ -106,12 +88,13 @@ main(int volatile argc, char **volatile argv)
 	disk = diskinit();
 	if(home == 0)
 		home = "/";
+fprint(2, "argc %d argv %s\n", argc, *argv);
 	if(!dflag)
-		startup(machine, Rflag, arg, ap, argv);
+		startup(machine, Rflag, termargs, argv);
 	notify(notifyf);
 	getcurwd();
-	if(argc>1){
-		for(i=0; i<argc-1; i++){
+	if(argc>0){
+		for(i=0; i<argc; i++){
 			if(!setjmp(mainloop)){
 				t = tmpcstr(argv[i]);
 				Straddc(t, '\0');

src/cmd/sam/sam.h

@@ -295,7 +295,7 @@ void	settempfile(void);
 int	skipbl(void);
 void	snarf(File*, Posn, Posn, Buffer*, int);
 void	sortname(File*);
-void	startup(char*, int, char**, char**, char**);
+void	startup(char*, int, char**, char**);
 void	state(File*, int);
 int	statfd(int, ulong*, uvlong*, long*, long*, long*);
 int	statfile(char*, ulong*, uvlong*, long*, long*, long*);