diff options
| author | SkyperTHC | 2026-03-03 06:28:55 +0000 |
|---|---|---|
| committer | SkyperTHC | 2026-03-03 06:28:55 +0000 |
| commit | 5d3573ef7a109ee70416fe94db098fe6a769a798 (patch) | |
| tree | dc2d5b294c9db8ab2db7433511f94e1c4bb8b698 /other/ssharp/openbsd-compat/vis.c | |
| parent | c6c59dc73cc4586357f93ab38ecf459e98675cc5 (diff) | |
packetstorm sync
Diffstat (limited to 'other/ssharp/openbsd-compat/vis.c')
| -rw-r--r-- | other/ssharp/openbsd-compat/vis.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/other/ssharp/openbsd-compat/vis.c b/other/ssharp/openbsd-compat/vis.c new file mode 100644 index 0000000..7eb2d6c --- /dev/null +++ b/other/ssharp/openbsd-compat/vis.c | |||
| @@ -0,0 +1,139 @@ | |||
| 1 | /*- | ||
| 2 | * Copyright (c) 1989, 1993 | ||
| 3 | * The Regents of the University of California. All rights reserved. | ||
| 4 | * | ||
| 5 | * Redistribution and use in source and binary forms, with or without | ||
| 6 | * modification, are permitted provided that the following conditions | ||
| 7 | * are met: | ||
| 8 | * 1. Redistributions of source code must retain the above copyright | ||
| 9 | * notice, this list of conditions and the following disclaimer. | ||
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 11 | * notice, this list of conditions and the following disclaimer in the | ||
| 12 | * documentation and/or other materials provided with the distribution. | ||
| 13 | * 3. All advertising materials mentioning features or use of this software | ||
| 14 | * must display the following acknowledgement: | ||
| 15 | * This product includes software developed by the University of | ||
| 16 | * California, Berkeley and its contributors. | ||
| 17 | * 4. Neither the name of the University nor the names of its contributors | ||
| 18 | * may be used to endorse or promote products derived from this software | ||
| 19 | * without specific prior written permission. | ||
| 20 | * | ||
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 31 | * SUCH DAMAGE. | ||
| 32 | */ | ||
| 33 | |||
| 34 | #if defined(LIBC_SCCS) && !defined(lint) | ||
| 35 | static char rcsid[] = "$OpenBSD: vis.c,v 1.6 2000/11/21 00:47:28 millert Exp $"; | ||
| 36 | #endif /* LIBC_SCCS and not lint */ | ||
| 37 | |||
| 38 | #include "includes.h" | ||
| 39 | |||
| 40 | #ifndef HAVE_VIS | ||
| 41 | |||
| 42 | #define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7') | ||
| 43 | #define isvisible(c) (((u_int)(c) <= UCHAR_MAX && isascii((u_char)(c)) && \ | ||
| 44 | isgraph((u_char)(c))) || \ | ||
| 45 | ((flag & VIS_SP) == 0 && (c) == ' ') || \ | ||
| 46 | ((flag & VIS_TAB) == 0 && (c) == '\t') || \ | ||
| 47 | ((flag & VIS_NL) == 0 && (c) == '\n') || \ | ||
| 48 | ((flag & VIS_SAFE) && \ | ||
| 49 | ((c) == '\b' || (c) == '\007' || (c) == '\r'))) | ||
| 50 | |||
| 51 | /* | ||
| 52 | * vis - visually encode characters | ||
| 53 | */ | ||
| 54 | char *vis(char *dst, int c, int flag, int nextc) | ||
| 55 | { | ||
| 56 | if (isvisible(c)) { | ||
| 57 | *dst++ = c; | ||
| 58 | if (c == '\\' && (flag & VIS_NOSLASH) == 0) | ||
| 59 | *dst++ = '\\'; | ||
| 60 | *dst = '\0'; | ||
| 61 | return (dst); | ||
| 62 | } | ||
| 63 | |||
| 64 | if (flag & VIS_CSTYLE) { | ||
| 65 | switch(c) { | ||
| 66 | case '\n': | ||
| 67 | *dst++ = '\\'; | ||
| 68 | *dst++ = 'n'; | ||
| 69 | goto done; | ||
| 70 | case '\r': | ||
| 71 | *dst++ = '\\'; | ||
| 72 | *dst++ = 'r'; | ||
| 73 | goto done; | ||
| 74 | case '\b': | ||
| 75 | *dst++ = '\\'; | ||
| 76 | *dst++ = 'b'; | ||
| 77 | goto done; | ||
| 78 | #ifdef __STDC__ | ||
| 79 | case '\a': | ||
| 80 | #else | ||
| 81 | case '\007': | ||
| 82 | #endif | ||
| 83 | *dst++ = '\\'; | ||
| 84 | *dst++ = 'a'; | ||
| 85 | goto done; | ||
| 86 | case '\v': | ||
| 87 | *dst++ = '\\'; | ||
| 88 | *dst++ = 'v'; | ||
| 89 | goto done; | ||
| 90 | case '\t': | ||
| 91 | *dst++ = '\\'; | ||
| 92 | *dst++ = 't'; | ||
| 93 | goto done; | ||
| 94 | case '\f': | ||
| 95 | *dst++ = '\\'; | ||
| 96 | *dst++ = 'f'; | ||
| 97 | goto done; | ||
| 98 | case ' ': | ||
| 99 | *dst++ = '\\'; | ||
| 100 | *dst++ = 's'; | ||
| 101 | goto done; | ||
| 102 | case '\0': | ||
| 103 | *dst++ = '\\'; | ||
| 104 | *dst++ = '0'; | ||
| 105 | if (isoctal(nextc)) { | ||
| 106 | *dst++ = '0'; | ||
| 107 | *dst++ = '0'; | ||
| 108 | } | ||
| 109 | goto done; | ||
| 110 | } | ||
| 111 | } | ||
| 112 | if (((c & 0177) == ' ') || (flag & VIS_OCTAL)) { | ||
| 113 | *dst++ = '\\'; | ||
| 114 | *dst++ = ((u_char)c >> 6 & 07) + '0'; | ||
| 115 | *dst++ = ((u_char)c >> 3 & 07) + '0'; | ||
| 116 | *dst++ = ((u_char)c & 07) + '0'; | ||
| 117 | goto done; | ||
| 118 | } | ||
| 119 | if ((flag & VIS_NOSLASH) == 0) | ||
| 120 | *dst++ = '\\'; | ||
| 121 | if (c & 0200) { | ||
| 122 | c &= 0177; | ||
| 123 | *dst++ = 'M'; | ||
| 124 | } | ||
| 125 | if (iscntrl(c)) { | ||
| 126 | *dst++ = '^'; | ||
| 127 | if (c == 0177) | ||
| 128 | *dst++ = '?'; | ||
| 129 | else | ||
| 130 | *dst++ = c + '@'; | ||
| 131 | } else { | ||
| 132 | *dst++ = '-'; | ||
| 133 | *dst++ = c; | ||
| 134 | } | ||
| 135 | done: | ||
| 136 | *dst = '\0'; | ||
| 137 | return (dst); | ||
| 138 | } | ||
| 139 | #endif /* HAVE_VIS */ | ||
