From owner-freebsd-current  Tue Mar 20  2:11: 9 2001
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Date: Tue, 20 Mar 2001 18:13:20 +0000
From: thinker <thinker@branda.to>
To: freebsd-current@freebsd.org
Subject: Re: patch /bin/ls again, for mb supporting.
Message-ID: <20010320181320.A15057@hell.branda.to>
References: <20010320164901.A14424@hell.branda.to> <20010320011246.O29888@fw.wintelcom.net> <20010320173710.A14702@hell.branda.to>
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In-Reply-To: <20010320173710.A14702@hell.branda.to>; from thinker@branda.to on Tue, Mar 20, 2001 at 05:37:10PM +0000
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For style reason, I make another patch file.

------------- begin ---------------
--- util.c.orig	Sun Mar 18 16:35:12 2001
+++ util.c	Tue Mar 20 18:12:23 2001
@@ -60,15 +60,43 @@
 prn_printable(s)
 	const char *s;
 {
-	unsigned char c;
-	int n;
+	const char *p;	/* String walker. */
+	char *r, *ri;	/* Ptr for result string & walker of it. */
+	int len;
+	int dc;		/* Count down of length after 'p' . */
+	size_t sz;	/* Number of bytes been processed. */
+	wchar_t c;
 
-	for (n = 0; (c = *s) != '\0'; ++s, ++n)
-		if (isprint(c))
-			putchar(c);
-		else
-			putchar('?');
-	return n;
+	if (s == NULL)
+		return (0);
+	p = s;
+	dc = len = strlen(s);
+	ri = r = (char *)malloc(len + 1);
+	if (r == NULL)
+		return (0);
+
+	while (dc > 0) {
+		sz = mbtowc(&c, p, dc);
+		if (sz < 0) {		/* Not be recognized. */
+			p++;
+			dc--;
+			*ri++ = '?';
+		} else {
+			dc -= sz;
+			if (isprint(c)) {
+				while(sz--)
+					*ri++ = *p++;
+			} else {	/* Non-printable char. */
+				p += sz;
+				while(sz--)
+					*ri++ = '?';
+			}
+		}
+	}
+	*ri = '\0';
+	printf("%s", r);
+	free(r);
+	return (len);
 }
 
 /*

------------- end -----------------

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