From a455b5dd6ddc2cf49c52967f8cf00fd98a954b41 Mon Sep 17 00:00:00 2001
From: assar <assar@FreeBSD.org>
Date: Tue, 4 Jul 2000 23:09:23 +0000
Subject: make sure we do not write out non-printable characters in file names
 and symbolic links (by default)

PR:		bin/19354
Reviewed by:	silence on -current
---
 bin/ls/util.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

(limited to 'bin/ls/util.c')

diff --git a/bin/ls/util.c b/bin/ls/util.c
index 7239d97..1f839c5 100644
--- a/bin/ls/util.c
+++ b/bin/ls/util.c
@@ -56,17 +56,19 @@ static const char rcsid[] =
 #include "ls.h"
 #include "extern.h"
 
-void
-prcopy(src, dest, len)
-	char *src, *dest;
-	int len;
+int
+prn_printable(s)
+	const char *s;
 {
-	unsigned char ch;
+	unsigned char c;
+	int n;
 
-	while (len--) {
-		ch = *src++;
-		*dest++ = isprint(ch) ? ch : '?';
-	}
+	for (n = 0; (c = *s) != '\0'; ++s, ++n)
+		if (isprint(c))
+			putchar(c);
+		else
+			putchar('?');
+	return n;
 }
 
 /*
@@ -84,7 +86,7 @@ prcopy(src, dest, len)
 
 int
 len_octal(s, len)
-        char *s;
+        const char *s;
 	int len;
 {
 	int r = 0;
@@ -96,7 +98,7 @@ len_octal(s, len)
 
 int
 prn_octal(s)
-        char *s;
+        const char *s;
 {
         unsigned char ch;
 	int len = 0;
-- 
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