--- ray/src/cal/lam.c	2003/02/22 02:07:20	1.1
+++ ray/src/cal/lam.c	2014/02/11 17:05:00	1.13
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: lam.c,v 1.1 2003/02/22 02:07:20 greg Exp $";
+static const char	RCSid[] = "$Id: lam.c,v 1.13 2014/02/11 17:05:00 greg Exp $";
 #endif
 /*
  *  lam.c - simple program to laminate files.
@@ -7,38 +7,91 @@ static const char	RCSid[] = "$Id: lam.c,v 1.1 2003/02/
  *	7/14/88		Greg Ward
  */
 
+#include <stdlib.h>
+#include <string.h>
 #include <stdio.h>
+#include <ctype.h>
 
-#define MAXFILE		16		/* maximum number of files */
+#include "platform.h"
+#include "rtprocess.h"
 
-#define MAXLINE		512		/* maximum input line */
+#define MAXFILE		512		/* maximum number of files */
 
+#define MAXLINE		65536		/* maximum input line */
+
 FILE	*input[MAXFILE];
-int	tabc[MAXFILE];
+int	bytsiz[MAXFILE];
+char	*tabc[MAXFILE];
 int	nfiles;
 
 char	buf[MAXLINE];
 
+int
 main(argc, argv)
 int	argc;
 char	*argv[];
 {
-	register int	i;
-	int	curtab;
-	int	running;
+	int	unbuff = 0;
+	int	i;
+	char	*curtab;
+	int	curbytes;
+	int	puteol;
 
-	curtab = '\t';
+	curtab = "\t";
+	curbytes = 0;
 	nfiles = 0;
 	for (i = 1; i < argc; i++) {
 		if (argv[i][0] == '-') {
 			switch (argv[i][1]) {
 			case 't':
-				curtab = argv[i][2];
+				curtab = argv[i]+2;
 				break;
+			case 'u':
+				unbuff = !unbuff;
+				break;
+			case 'i':
+				switch (argv[i][2]) {
+				case 'f':
+					curbytes = sizeof(float);
+					break;
+				case 'd':
+					curbytes = sizeof(double);
+					break;
+				case 'i':
+					curbytes = sizeof(int);
+					break;
+				case 'w':
+					curbytes = 2;
+					break;
+				case 'b':
+					curbytes = 1;
+					break;
+				case 'a':
+					curbytes = argv[i][3] ? -1 : 0;
+					break;
+				default:
+					goto badopt;
+				}
+				if (isdigit(argv[i][3]))
+					curbytes *= atoi(argv[i]+3);
+				if (abs(curbytes) > MAXLINE) {
+					fputs(argv[0], stderr);
+					fputs(": input size too big\n", stderr);
+					exit(1);
+				}
+				if (curbytes)
+					curtab = "";
+				break;
 			case '\0':
 				tabc[nfiles] = curtab;
-				input[nfiles++] = stdin;
+				input[nfiles] = stdin;
+				if (curbytes > 0)
+					SET_FILE_BINARY(input[nfiles]);
+				else
+					curbytes = -curbytes;
+				bytsiz[nfiles++] = curbytes;
 				break;
+			badopt:;
 			default:
 				fputs(argv[0], stderr);
 				fputs(": bad option\n", stderr);
@@ -46,18 +99,28 @@ char	*argv[];
 			}
 		} else if (argv[i][0] == '!') {
 			tabc[nfiles] = curtab;
-			if ((input[nfiles++] = popen(argv[i]+1, "r")) == NULL) {
+			if ((input[nfiles] = popen(argv[i]+1, "r")) == NULL) {
 				fputs(argv[i], stderr);
 				fputs(": cannot start command\n", stderr);
 				exit(1);
 			}
+			if (curbytes > 0)
+				SET_FILE_BINARY(input[nfiles]);
+			else
+				curbytes = -curbytes;
+			bytsiz[nfiles++] = curbytes;
 		} else {
 			tabc[nfiles] = curtab;
-			if ((input[nfiles++] = fopen(argv[i], "r")) == NULL) {
+			if ((input[nfiles] = fopen(argv[i], "r")) == NULL) {
 				fputs(argv[i], stderr);
 				fputs(": cannot open file\n", stderr);
 				exit(1);
 			}
+			if (curbytes > 0)
+				SET_FILE_BINARY(input[nfiles]);
+			else
+				curbytes = -curbytes;
+			bytsiz[nfiles++] = curbytes;
 		}
 		if (nfiles >= MAXFILE) {
 			fputs(argv[0], stderr);
@@ -65,21 +128,35 @@ char	*argv[];
 			exit(1);
 		}
 	}
-
-	do {
-		running = 0;
+	puteol = 0;				/* check for ASCII output */
+	for (i = nfiles; i--; )
+		if (!bytsiz[i] || isprint(tabc[i][0]) || tabc[i][0] == '\t') {
+			puteol++;
+			break;
+		}
+	for ( ; ; ) {				/* main loop */
 		for (i = 0; i < nfiles; i++) {
-			if (fgets(buf, MAXLINE, input[i]) != NULL) {
+			if (bytsiz[i]) {		/* binary file */
+				if (fread(buf, bytsiz[i], 1, input[i]) < 1)
+					break;
 				if (i)
-					putchar(tabc[i]);
+					fputs(tabc[i], stdout);
+				fwrite(buf, bytsiz[i], 1, stdout);
+			} else {
+				if (fgets(buf, MAXLINE, input[i]) == NULL)
+					break;
+				if (i)
+					fputs(tabc[i], stdout);
 				buf[strlen(buf)-1] = '\0';
 				fputs(buf, stdout);
-				running++;
 			}
 		}
-		if (running)
+		if (i < nfiles)
+			break;
+		if (puteol)
 			putchar('\n');
-	} while (running);
-
-	exit(0);
+		if (unbuff)
+			fflush(stdout);
+	}
+	return(0);
 }