commit: 4a538b3310e7a0831570bcba593d0085fa3c3d18
parent: e3fc9d2684c8a8133f5017720fa2da7631677b76
author: Brian Callahan <dodonpachi-github@mailinator.com>
date: Sun, 17 Sep 2017 17:23:17 -0400
Remove accidentally added file.
| D | vis.c | 243 | -------------------- |
1 file changed, 243 deletions(-)
diff --git a/vis.c b/vis.c
@@ -1,243 +0,0 @@
-/* $OpenBSD: vis.c,v 1.25 2015/09/13 11:32:51 guenther Exp $ */
-/*-
- * 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.
- */
-
-#include <sys/types.h>
-#include <errno.h>
-#include <ctype.h>
-#include <limits.h>
-#include <string.h>
-#include <stdlib.h>
-#include "portable/linux/vis.h"
-
-#define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
-#define isvisible(c,flag) \
- (((c) == '\\' || (flag & VIS_ALL) == 0) && \
- (((u_int)(c) <= UCHAR_MAX && isascii((u_char)(c)) && \
- (((c) != '*' && (c) != '?' && (c) != '[' && (c) != '#') || \
- (flag & VIS_GLOB) == 0) && isgraph((u_char)(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' || \
- isgraph((u_char)(c))))))
-
-/*
- * vis - visually encode characters
- */
-char *
-vis(char *dst, int c, int flag, int nextc)
-{
- if (isvisible(c, flag)) {
- if ((c == '"' && (flag & VIS_DQ) != 0) ||
- (c == '\\' && (flag & VIS_NOSLASH) == 0))
- *dst++ = '\\';
- *dst++ = c;
- *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) == ' ') || (flag & VIS_OCTAL) ||
- ((flag & VIS_GLOB) && (c == '*' || c == '?' || c == '[' || c == '#'))) {
- *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((u_char)c)) {
- *dst++ = '^';
- if (c == 0177)
- *dst++ = '?';
- else
- *dst++ = c + '@';
- } else {
- *dst++ = '-';
- *dst++ = c;
- }
-done:
- *dst = '\0';
- return (dst);
-}
-DEF_WEAK(vis);
-
-/*
- * strvis, strnvis, 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 NULL,
- * is returned.
- *
- * Strnvis will write no more than siz-1 bytes (and will NULL terminate).
- * The number of bytes needed to fully encode the string is returned.
- *
- * Strvisx encodes exactly len bytes from src into dst.
- * This is useful for encoding a block of data.
- */
-int
-strvis(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);
-}
-DEF_WEAK(strvis);
-
-int
-strnvis(char *dst, const char *src, size_t siz, int flag)
-{
- char *start, *end;
- char tbuf[5];
- int c, i;
-
- i = 0;
- for (start = dst, end = start + siz - 1; (c = *src) && dst < end; ) {
- if (isvisible(c, flag)) {
- if ((c == '"' && (flag & VIS_DQ) != 0) ||
- (c == '\\' && (flag & VIS_NOSLASH) == 0)) {
- /* need space for the extra '\\' */
- if (dst + 1 >= end) {
- i = 2;
- break;
- }
- *dst++ = '\\';
- }
- i = 1;
- *dst++ = c;
- src++;
- } else {
- i = vis(tbuf, c, flag, *++src) - tbuf;
- if (dst + i <= end) {
- memcpy(dst, tbuf, i);
- dst += i;
- } else {
- src--;
- break;
- }
- }
- }
- if (siz > 0)
- *dst = '\0';
- if (dst + i > end) {
- /* adjust return value for truncation */
- while ((c = *src))
- dst += vis(tbuf, c, flag, *++src) - tbuf;
- }
- return (dst - start);
-}
-
-int
-stravis(char **outp, const char *src, int flag)
-{
- char *buf;
- int len, serrno;
-
- buf = reallocarray(NULL, 4, strlen(src) + 1);
- if (buf == NULL)
- return -1;
- len = strvis(buf, src, flag);
- serrno = errno;
- *outp = realloc(buf, len + 1);
- if (*outp == NULL) {
- *outp = buf;
- errno = serrno;
- }
- return (len);
-}
-
-int
-strvisx(char *dst, const char *src, size_t len, int flag)
-{
- char 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);
-}
