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Annotation of src/include/vis.h, Revision 1.3

1.3     ! aaron       1: /*     $OpenBSD: vis.h,v 1.2 1997/09/21 10:46:01 niklas Exp $  */
1.1       deraadt     2: /*     $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $      */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1990 The Regents of the University of California.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by the University of
                     19:  *     California, Berkeley and its contributors.
                     20:  * 4. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  *
                     36:  *     @(#)vis.h       5.9 (Berkeley) 4/3/91
                     37:  */
                     38:
                     39: #ifndef _VIS_H_
                     40: #define        _VIS_H_
                     41:
                     42: /*
                     43:  * to select alternate encoding format
                     44:  */
                     45: #define        VIS_OCTAL       0x01    /* use octal \ddd format */
1.3     ! aaron      46: #define        VIS_CSTYLE      0x02    /* use \[nrft0..] where appropriate */
1.1       deraadt    47:
                     48: /*
                     49:  * to alter set of characters encoded (default is to encode all
                     50:  * non-graphic except space, tab, and newline).
                     51:  */
                     52: #define        VIS_SP          0x04    /* also encode space */
                     53: #define        VIS_TAB         0x08    /* also encode tab */
                     54: #define        VIS_NL          0x10    /* also encode newline */
                     55: #define        VIS_WHITE       (VIS_SP | VIS_TAB | VIS_NL)
                     56: #define        VIS_SAFE        0x20    /* only encode "unsafe" characters */
                     57:
                     58: /*
                     59:  * other
                     60:  */
                     61: #define        VIS_NOSLASH     0x40    /* inhibit printing '\' */
                     62:
                     63: /*
                     64:  * unvis return codes
                     65:  */
                     66: #define        UNVIS_VALID      1      /* character valid */
                     67: #define        UNVIS_VALIDPUSH  2      /* character valid, push back passed char */
                     68: #define        UNVIS_NOCHAR     3      /* valid sequence, no character produced */
                     69: #define        UNVIS_SYNBAD    -1      /* unrecognized escape sequence */
                     70: #define        UNVIS_ERROR     -2      /* decoder in unknown state (unrecoverable) */
                     71:
                     72: /*
                     73:  * unvis flags
                     74:  */
                     75: #define        UNVIS_END       1       /* no more characters */
                     76:
                     77: #include <sys/cdefs.h>
                     78:
                     79: __BEGIN_DECLS
                     80: char   *vis __P((char *, int, int, int));
                     81: int    strvis __P((char *, const char *, int));
                     82: int    strvisx __P((char *, const char *, size_t, int));
                     83: int    strunvis __P((char *, const char *));
                     84: int    unvis __P((char *, char, int *, int));
                     85: __END_DECLS
                     86:
                     87: #endif /* !_VIS_H_ */