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-rw-r--r--usr.bin/sup/src/unvis.c244
-rw-r--r--usr.bin/sup/src/vis.c179
-rw-r--r--usr.bin/sup/src/vis/vis.h (renamed from usr.bin/sup/src/vis.h)2
3 files changed, 1 insertions, 424 deletions
diff --git a/usr.bin/sup/src/unvis.c b/usr.bin/sup/src/unvis.c
deleted file mode 100644
index dd128490c7f..00000000000
--- a/usr.bin/sup/src/unvis.c
+++ /dev/null
@@ -1,244 +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. 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 rcsid[] = "$OpenBSD: unvis.c,v 1.4 2003/06/03 02:56:17 millert Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-#include <ctype.h>
-#include <vis.h>
-
-#ifdef NEED_VIS
-/*
- * decode driven by state machine
- */
-#define S_GROUND 0 /* haven't seen escape char */
-#define S_START 1 /* start decoding special sequence */
-#define S_META 2 /* metachar started (M) */
-#define S_META1 3 /* metachar more, regular char (-) */
-#define S_CTRL 4 /* control char started (^) */
-#define S_OCTAL2 5 /* octal digit 2 */
-#define S_OCTAL3 6 /* octal digit 3 */
-
-#define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
-
-/*
- * unvis - decode characters previously encoded by vis
- */
-int
-unvis(char *cp, char c, int *astate, int flag)
-{
-
- if (flag & UNVIS_END) {
- if (*astate == S_OCTAL2 || *astate == S_OCTAL3) {
- *astate = S_GROUND;
- return (UNVIS_VALID);
- }
- return (*astate == S_GROUND ? UNVIS_NOCHAR : UNVIS_SYNBAD);
- }
-
- switch (*astate) {
-
- case S_GROUND:
- *cp = 0;
- if (c == '\\') {
- *astate = S_START;
- return (0);
- }
- *cp = c;
- return (UNVIS_VALID);
-
- case S_START:
- switch(c) {
- case '\\':
- *cp = c;
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case '0': case '1': case '2': case '3':
- case '4': case '5': case '6': case '7':
- *cp = (c - '0');
- *astate = S_OCTAL2;
- return (0);
- case 'M':
- *cp = (char) 0200;
- *astate = S_META;
- return (0);
- case '^':
- *astate = S_CTRL;
- return (0);
- case 'n':
- *cp = '\n';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 'r':
- *cp = '\r';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 'b':
- *cp = '\b';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 'a':
- *cp = '\007';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 'v':
- *cp = '\v';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 't':
- *cp = '\t';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 'f':
- *cp = '\f';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 's':
- *cp = ' ';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case 'E':
- *cp = '\033';
- *astate = S_GROUND;
- return (UNVIS_VALID);
- case '\n':
- /*
- * hidden newline
- */
- *astate = S_GROUND;
- return (UNVIS_NOCHAR);
- case '$':
- /*
- * hidden marker
- */
- *astate = S_GROUND;
- return (UNVIS_NOCHAR);
- }
- *astate = S_GROUND;
- return (UNVIS_SYNBAD);
-
- case S_META:
- if (c == '-')
- *astate = S_META1;
- else if (c == '^')
- *astate = S_CTRL;
- else {
- *astate = S_GROUND;
- return (UNVIS_SYNBAD);
- }
- return (0);
-
- case S_META1:
- *astate = S_GROUND;
- *cp |= c;
- return (UNVIS_VALID);
-
- case S_CTRL:
- if (c == '?')
- *cp |= 0177;
- else
- *cp |= c & 037;
- *astate = S_GROUND;
- return (UNVIS_VALID);
-
- case S_OCTAL2: /* second possible octal digit */
- if (isoctal(c)) {
- /*
- * yes - and maybe a third
- */
- *cp = (*cp << 3) + (c - '0');
- *astate = S_OCTAL3;
- return (0);
- }
- /*
- * no - done with current sequence, push back passed char
- */
- *astate = S_GROUND;
- return (UNVIS_VALIDPUSH);
-
- case S_OCTAL3: /* third possible octal digit */
- *astate = S_GROUND;
- if (isoctal(c)) {
- *cp = (*cp << 3) + (c - '0');
- return (UNVIS_VALID);
- }
- /*
- * we were done, push back passed char
- */
- return (UNVIS_VALIDPUSH);
-
- default:
- /*
- * decoder in unknown state - (probably uninitialized)
- */
- *astate = S_GROUND;
- return (UNVIS_SYNBAD);
- }
-}
-
-/*
- * strunvis - decode src into dst
- *
- * Number of chars decoded into dst is returned, -1 on error.
- * Dst is null terminated.
- */
-
-int
-strunvis(dst, src)
- char *dst;
- const char *src;
-{
- char c;
- char *start = dst;
- int state = 0;
-
- while ((c = *src++)) {
- again:
- switch (unvis(dst, c, &state, 0)) {
- case UNVIS_VALID:
- dst++;
- break;
- case UNVIS_VALIDPUSH:
- dst++;
- goto again;
- case 0:
- case UNVIS_NOCHAR:
- break;
- default:
- return (-1);
- }
- }
- if (unvis(dst, c, &state, UNVIS_END) == UNVIS_VALID)
- dst++;
- *dst = '\0';
- return (dst - start);
-}
-#endif /* NEED_VIS */
diff --git a/usr.bin/sup/src/vis.c b/usr.bin/sup/src/vis.c
deleted file mode 100644
index 69e21eeb1e8..00000000000
--- a/usr.bin/sup/src/vis.c
+++ /dev/null
@@ -1,179 +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. 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 rcsid[] = "$OpenBSD: vis.c,v 1.4 2003/06/03 02:56:17 millert Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-#include <limits.h>
-#include <ctype.h>
-#include <vis.h>
-
-#define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7')
-#ifdef NEED_VIS
-/*
- * vis - visually encode characters
- */
-char *
-vis(dst, c, flag, nextc)
- char *dst;
- int c, nextc;
- int flag;
-{
- if (((u_int)c <= UCHAR_MAX && isascii(c) && 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) == ' ') || (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 NULL,
- * 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;
-{
- 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);
-}
-#endif /* NEED_VIS */
diff --git a/usr.bin/sup/src/vis.h b/usr.bin/sup/src/vis/vis.h
index 7bf0f3d713d..ff21c858144 100644
--- a/usr.bin/sup/src/vis.h
+++ b/usr.bin/sup/src/vis/vis.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: vis.h,v 1.4 2003/06/03 02:56:17 millert Exp $ */
+/* $OpenBSD: vis.h,v 1.1 2003/08/01 19:10:20 avsm Exp $ */
/* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */
/*-
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