X-Git-Url: https://git.cameronkatri.com/bsdgames-darwin.git/blobdiff_plain/9b85680687e77d758ed4d5f002375aa6f88dc803..d2c9435f39bf3cf490a36374e2dabc08a9c3128b:/ppt/ppt.c?ds=inline

diff --git a/ppt/ppt.c b/ppt/ppt.c
index 77086333..af0585ce 100644
--- a/ppt/ppt.c
+++ b/ppt/ppt.c
@@ -1,6 +1,8 @@
+/*	$NetBSD: ppt.c,v 1.14 2002/11/26 23:07:36 atatat Exp $	*/
+
 /*
- * Copyright (c) 1988 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -31,43 +33,112 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
-char copyright[] =
-"@(#) Copyright (c) 1988 Regents of the University of California.\n\
- All rights reserved.\n";
+__COPYRIGHT("@(#) Copyright (c) 1988, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n");
 #endif /* not lint */
 
 #ifndef lint
-static char sccsid[] = "@(#)ppt.c	5.4 (Berkeley) 6/1/90";
+#if 0
+static char sccsid[] = "@(#)ppt.c	8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: ppt.c,v 1.14 2002/11/26 23:07:36 atatat Exp $");
+#endif
 #endif /* not lint */
 
+#include <err.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define	EDGE	"___________"
 
-static void	putppt();
+       void	usage __P((void));
+	int	main __P((int, char *[]));
+static void	putppt __P((int));
+	int	getppt __P((const char *));
+
+void
+usage(void)
+{
+	extern char *__progname;
+	fprintf(stderr, "usage: %s [-d] [string ...]\n", __progname);
+	exit(1);
+}
 
+int
 main(argc, argv)
 	int argc;
 	char **argv;
 {
-	register int c;
-	register char *p;
-
-	(void) puts("___________");
-	if (argc > 1)
-		while (p = *++argv)
-			for (; *p; ++p)
-				putppt((int)*p);
-	else while ((c = getchar()) != EOF)
-		putppt(c);
-	(void) puts("___________");
+	char *p, buf[132];
+	int c, start, neednl, dflag;
+
+	/* Revoke setgid privileges */
+	setgid(getgid());
+
+	dflag = 0;
+	while ((c = getopt(argc, argv, "dh")) != -1)
+		switch(c) {
+		case 'd':
+			dflag = 1;
+			break;
+		case 'h':
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (dflag) {
+		if (argc > 0)
+			usage();
+
+		start = 0;
+		neednl = 0;
+		while (fgets(buf, sizeof(buf), stdin) != NULL) {
+			c = getppt(buf);
+			if (c < 0) {
+				if (start) {
+					/* lost sync? */
+					if (neednl)
+						putchar('\n');
+					exit(0);
+				} else
+					continue;
+			}
+			start = 1;
+			putchar(c);
+			neednl = (c != '\n');
+		}
+		if (!feof(stdin))
+			err(1, "fgets");
+		if (neednl)
+			putchar('\n');
+	} else {
+		(void) puts(EDGE);
+		if (argc > 0)
+			while ((p = *argv++)) {
+				for (; *p; ++p)
+					putppt((int)*p);
+				if ((*(argv)))
+					putppt((int)' ');
+			}
+		else while ((c = getchar()) != EOF)
+			putppt(c);
+		(void) puts(EDGE);
+	}
 	exit(0);
 }
 
 static void
 putppt(c)
-	register int c;
+	int c;
 {
-	register int i;
+	int i;
 
 	(void) putchar('|');
 	for (i = 7; i >= 0; i--) {
@@ -81,3 +152,33 @@ putppt(c)
 	(void) putchar('|');
 	(void) putchar('\n');
 }
+
+int
+getppt(const char *buf)
+{
+	const char *p = strchr(buf, '.');
+	int c;
+
+	if (p == NULL)
+		return (-1);
+
+	c = 0;
+	if (p[ 3] != ' ')
+		c |= 0001;
+	if (p[ 2] != ' ')
+		c |= 0002;
+	if (p[ 1] != ' ')
+		c |= 0004;
+	if (p[-1] != ' ')
+		c |= 0010;
+	if (p[-2] != ' ')
+		c |= 0020;
+	if (p[-3] != ' ')
+		c |= 0040;
+	if (p[-4] != ' ')
+		c |= 0100;
+	if (p[-5] != ' ')
+		c |= 0200;
+
+	return (c);
+}