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gen/FreeBSD/vis.c Libc-391.4.2 /dev/null
--- Libc/Libc-391.4.2/gen/FreeBSD/vis.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*-
- * Copyright (c) 1989, 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
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 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
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)vis.c	8.1 (Berkeley) 7/19/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/gen/vis.c,v 1.13 2003/10/30 12:41:50 phk Exp $");
-
-#include <sys/types.h>
-#include <limits.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <vis.h>
-
-#define	isoctal(c)	(((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
-
-/*
- * vis - visually encode characters
- */
-char *
-vis(dst, c, flag, nextc)
-	char *dst;
-	int c, nextc;
-	int flag;
-{
-	c = (unsigned char)c;
-
-	if (flag & VIS_HTTPSTYLE) {
-		/* Described in RFC 1808 */
-		if (!(isalnum(c) /* alpha-numeric */
-		    /* safe */
-		    || c == '$' || c == '-' || c == '_' || c == '.' || c == '+'
-		    /* extra */
-		    || c == '!' || c == '*' || c == '\'' || c == '('
-		    || c == ')' || c == ',')) {
-			*dst++ = '%';
-			snprintf(dst, 4, (c < 16 ? "0%X" : "%X"), c);
-			dst += 2;
-			goto done;
-		}
-	}
-
-	if ((flag & VIS_GLOB) &&
-	    (c == '*' || c == '?' || c == '[' || c == '#'))
-		;
-	else if (isgraph(c) ||
-	   ((flag & VIS_SP) == 0 && c == ' ') ||
-	   ((flag & VIS_TAB) == 0 && c == '\t') ||
-	   ((flag & VIS_NL) == 0 && c == '\n') ||
-	   ((flag & VIS_SAFE) && (c == '\b' || c == '\007' || c == '\r'))) {
-		*dst++ = c;
-		if (c == '\\' && (flag & VIS_NOSLASH) == 0)
-			*dst++ = '\\';
-		*dst = '\0';
-		return (dst);
-	}
-
-	if (flag & VIS_CSTYLE) {
-		switch(c) {
-		case '\n':
-			*dst++ = '\\';
-			*dst++ = 'n';
-			goto done;
-		case '\r':
-			*dst++ = '\\';
-			*dst++ = 'r';
-			goto done;
-		case '\b':
-			*dst++ = '\\';
-			*dst++ = 'b';
-			goto done;
-		case '\a':
-			*dst++ = '\\';
-			*dst++ = 'a';
-			goto done;
-		case '\v':
-			*dst++ = '\\';
-			*dst++ = 'v';
-			goto done;
-		case '\t':
-			*dst++ = '\\';
-			*dst++ = 't';
-			goto done;
-		case '\f':
-			*dst++ = '\\';
-			*dst++ = 'f';
-			goto done;
-		case ' ':
-			*dst++ = '\\';
-			*dst++ = 's';
-			goto done;
-		case '\0':
-			*dst++ = '\\';
-			*dst++ = '0';
-			if (isoctal(nextc)) {
-				*dst++ = '0';
-				*dst++ = '0';
-			}
-			goto done;
-		}
-	}
-	if (((c & 0177) == ' ') || isgraph(c) || (flag & VIS_OCTAL)) {
-		*dst++ = '\\';
-		*dst++ = ((u_char)c >> 6 & 07) + '0';
-		*dst++ = ((u_char)c >> 3 & 07) + '0';
-		*dst++ = ((u_char)c & 07) + '0';
-		goto done;
-	}
-	if ((flag & VIS_NOSLASH) == 0)
-		*dst++ = '\\';
-	if (c & 0200) {
-		c &= 0177;
-		*dst++ = 'M';
-	}
-	if (iscntrl(c)) {
-		*dst++ = '^';
-		if (c == 0177)
-			*dst++ = '?';
-		else
-			*dst++ = c + '@';
-	} else {
-		*dst++ = '-';
-		*dst++ = c;
-	}
-done:
-	*dst = '\0';
-	return (dst);
-}
-
-/*
- * strvis, strvisx - visually encode characters from src into dst
- *
- *	Dst must be 4 times the size of src to account for possible
- *	expansion.  The length of dst, not including the trailing NUL,
- *	is returned.
- *
- *	Strvisx encodes exactly len bytes from src into dst.
- *	This is useful for encoding a block of data.
- */
-int
-strvis(dst, src, flag)
-	char *dst;
-	const char *src;
-	int flag;
-{
-	char c;
-	char *start;
-
-	for (start = dst; (c = *src); )
-		dst = vis(dst, c, flag, *++src);
-	*dst = '\0';
-	return (dst - start);
-}
-
-int
-strvisx(dst, src, len, flag)
-	char *dst;
-	const char *src;
-	size_t len;
-	int flag;
-{
-	int c;
-	char *start;
-
-	for (start = dst; len > 1; len--) {
-		c = *src;
-		dst = vis(dst, c, flag, *++src);
-	}
-	if (len)
-		dst = vis(dst, *src, flag, '\0');
-	*dst = '\0';
-
-	return (dst - start);
-}