+/* $NetBSD: ppt.c,v 1.17 2008/07/20 01:03:22 lukem 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
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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\
+ The Regents of the University of California. All rights reserved.");
#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 1.17 2008/07/20 01:03:22 lukem 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(void);
+ int main(int, char *[]);
+static void putppt(int);
+ int getppt(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--) {
(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);
+}