+++ /dev/null
-/*-
- * Copyright (c) 1990, 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. 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.
- *
- * @(#)vis.h 8.1 (Berkeley) 6/2/93
- * $FreeBSD: src/include/vis.h,v 1.11 2003/10/30 10:40:49 phk Exp $
- * $Id$
- */
-
-#ifndef _VIS_H_
-#define _VIS_H_
-
-/*
- * to select alternate encoding format
- */
-#define VIS_OCTAL 0x01 /* use octal \ddd format */
-#define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */
-
-/*
- * to alter set of characters encoded (default is to encode all
- * non-graphic except space, tab, and newline).
- */
-#define VIS_SP 0x04 /* also encode space */
-#define VIS_TAB 0x08 /* also encode tab */
-#define VIS_NL 0x10 /* also encode newline */
-#define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
-#define VIS_SAFE 0x20 /* only encode "unsafe" characters */
-
-/*
- * other
- */
-#define VIS_NOSLASH 0x40 /* inhibit printing '\' */
-#define VIS_HTTPSTYLE 0x80 /* http-style escape % HEX HEX */
-#define VIS_GLOB 0x100 /* encode glob(3) magics */
-
-/*
- * unvis return codes
- */
-#define UNVIS_VALID 1 /* character valid */
-#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
-#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
-#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
-#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
-
-/*
- * unvis flags
- */
-#define UNVIS_END 1 /* no more characters */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-char *vis(char *, int, int, int);
-int strvis(char *, const char *, int);
-int strvisx(char *, const char *, size_t, int);
-int strunvis(char *, const char *);
-int strunvisx(char *, const char *, int);
-int unvis(char *, int, int *, int);
-#ifdef __cplusplus
-};
-#endif
-
-#endif /* !_VIS_H_ */
+++ /dev/null
-/*-
- * 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. 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.
- *
- * @(#)vis.c 8.1 (Berkeley) 7/19/93
- * $FreeBSD: src/lib/libc/gen/vis.c,v 1.13 2003/10/30 12:41:50 phk Exp $
- * $Id$
- */
-
-#include "config.h"
-
-#if !defined(HAVE_VIS) || !defined(HAVE_STRVIS) || !defined(HAVE_STRVISX)
-
-#include <sys/types.h>
-#include <limits.h>
-#include <ctype.h>
-#include <stdio.h>
-
-#include "compat/vis.h"
-
-#define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
-
-/*
- * vis - visually encode characters
- */
-#ifndef HAVE_VIS
-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);
-}
-#endif
-
-/*
- * 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.
- */
-#ifndef HAVE_STRVIS
-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);
-}
-#endif
-
-#ifndef HAVE_STRVISX
-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);
-}
-#endif
-
-#endif
projects / varnish / commitdiff