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Annotation of src/include/vis.h, Revision 1.10

1.10    ! otto        1: /*     $OpenBSD: vis.h,v 1.9 2003/08/01 17:38:33 avsm 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.
1.6       millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)vis.h       5.9 (Berkeley) 4/3/91
                     33:  */
                     34:
                     35: #ifndef _VIS_H_
                     36: #define        _VIS_H_
                     37:
                     38: /*
                     39:  * to select alternate encoding format
                     40:  */
                     41: #define        VIS_OCTAL       0x01    /* use octal \ddd format */
1.3       aaron      42: #define        VIS_CSTYLE      0x02    /* use \[nrft0..] where appropriate */
1.1       deraadt    43:
                     44: /*
                     45:  * to alter set of characters encoded (default is to encode all
                     46:  * non-graphic except space, tab, and newline).
                     47:  */
                     48: #define        VIS_SP          0x04    /* also encode space */
                     49: #define        VIS_TAB         0x08    /* also encode tab */
                     50: #define        VIS_NL          0x10    /* also encode newline */
                     51: #define        VIS_WHITE       (VIS_SP | VIS_TAB | VIS_NL)
                     52: #define        VIS_SAFE        0x20    /* only encode "unsafe" characters */
                     53:
                     54: /*
                     55:  * other
                     56:  */
                     57: #define        VIS_NOSLASH     0x40    /* inhibit printing '\' */
                     58:
                     59: /*
                     60:  * unvis return codes
                     61:  */
                     62: #define        UNVIS_VALID      1      /* character valid */
                     63: #define        UNVIS_VALIDPUSH  2      /* character valid, push back passed char */
                     64: #define        UNVIS_NOCHAR     3      /* valid sequence, no character produced */
                     65: #define        UNVIS_SYNBAD    -1      /* unrecognized escape sequence */
                     66: #define        UNVIS_ERROR     -2      /* decoder in unknown state (unrecoverable) */
                     67:
                     68: /*
                     69:  * unvis flags
                     70:  */
                     71: #define        UNVIS_END       1       /* no more characters */
                     72:
                     73: #include <sys/cdefs.h>
                     74:
                     75: __BEGIN_DECLS
1.5       millert    76: char   *vis(char *, int, int, int);
                     77: int    strvis(char *, const char *, int);
1.9       avsm       78: int    strnvis(char *, const char *, size_t, int)
                     79:                __attribute__ ((__bounded__(__string__,1,3)));
                     80: int    strvisx(char *, const char *, size_t, int)
                     81:                __attribute__ ((__bounded__(__string__,1,3)));
1.5       millert    82: int    strunvis(char *, const char *);
                     83: int    unvis(char *, char, int *, int);
1.10    ! otto       84: ssize_t strnunvis(char *, const char *, size_t)
        !            85:                __attribute__ ((__bounded__(__string__,1,3)));
        !            86:
1.1       deraadt    87: __END_DECLS
                     88:
                     89: #endif /* !_VIS_H_ */