From c69fe3b51d7d17095a844febf593cab057966960 Mon Sep 17 00:00:00 2001
From: Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com>
Date: Sat, 22 Jun 2019 02:50:44 -0500
Subject: usr.bin/uuencode: make buildable with libbsd, drop non-POSIX base64
 support

---
 usr.bin/uuencode/uuencode.c | 73 ++++-----------------------------------------
 1 file changed, 6 insertions(+), 67 deletions(-)

diff --git a/usr.bin/uuencode/uuencode.c b/usr.bin/uuencode/uuencode.c
index 50b7051..ac104cd 100644
--- a/usr.bin/uuencode/uuencode.c
+++ b/usr.bin/uuencode/uuencode.c
@@ -29,20 +29,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-#ifndef lint
-__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
- The Regents of the University of California.  All rights reserved.");
-#endif /* not lint */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)uuencode.c	8.2 (Berkeley) 4/2/94";
-#else
-__RCSID("$NetBSD: uuencode.c,v 1.16 2014/09/06 18:58:35 dholland Exp $");
-#endif
-#endif /* not lint */
-
 /*
  * uuencode [input] output
  *
@@ -56,13 +42,12 @@ __RCSID("$NetBSD: uuencode.c,v 1.16 2014/09/06 18:58:35 dholland Exp $");
 #include <locale.h>
 #include <resolv.h>
 #include <stdio.h>
-#include <stdlib.h>
+#include <bsd/stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
 static void encode(void);
-static void base64_encode(void);
-__dead static void usage(void);
+static void usage(void);
 
 int
 main(int argc, char *argv[])
@@ -75,18 +60,6 @@ main(int argc, char *argv[])
 	setlocale(LC_ALL, "");
 	setprogname(argv[0]);
 
-	while ((ch = getopt(argc, argv, "m")) != -1) {
-		switch(ch) {
-		case 'm':
-			base64 = 1;
-			break;
-		default:
-			usage();
-		}
-	}
-	argv += optind;
-	argc -= optind;
-
 	switch(argc) {
 	case 2:			/* optional first argument is input file */
 		if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb))
@@ -104,15 +77,9 @@ main(int argc, char *argv[])
 		usage();
 	}
 
-	if (base64) {
-		(void)printf("begin-base64 %o %s\n", mode, *argv);
-		base64_encode();
-		(void)printf("====\n");
-	} else {
-		(void)printf("begin %o %s\n", mode, *argv);
-		encode();
-		(void)printf("end\n");
-	}
+	(void)printf("begin %o %s\n", mode, *argv);
+	encode();
+	(void)printf("end\n");
 
 	if (ferror(stdout))
 		err(1, "write error");
@@ -122,34 +89,6 @@ main(int argc, char *argv[])
 /* ENC is the basic 1 character encoding function to make a char printing */
 #define	ENC(c) ((c) ? ((c) & 077) + ' ': '`')
 
-/*
- * copy from in to out, encoding in base64 as you go along.
- */
-static void
-base64_encode(void)
-{
-	/*
-	 * Output must fit into 80 columns, chunks come in 4, leave 1.
-	 */
-#define GROUPS 	((70 / 4) - 1)
-	unsigned char buf[3];
-	char buf2[sizeof(buf) * 2 + 1];
-	size_t n;
-	int rv, sequence;
-
-	sequence = 0;
-
-	while ((n = fread(buf, 1, sizeof(buf), stdin))) {
-		++sequence;
-		rv = b64_ntop(buf, n, buf2, (sizeof(buf2) / sizeof(buf2[0])));
-		if (rv == -1)
-			errx(1, "b64_ntop: error encoding base64");
-		printf("%s%s", buf2, (sequence % GROUPS) ? "" : "\n");
-	}
-	if (sequence % GROUPS)
-		printf("\n");
-}
-
 /*
  * copy from in to out, encoding as you go along.
  */
@@ -196,7 +135,7 @@ static void
 usage(void)
 {
 	(void)fprintf(stderr,
-		      "usage: %s [-m] [inputfile] headername > encodedfile\n",
+		      "usage: %s [inputfile] headername > encodedfile\n",
 		      getprogname());
 	exit(1);
 }
-- 
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