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Diffstat (limited to 'src/vis.h')
| -rw-r--r-- | src/vis.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/vis.h b/src/vis.h new file mode 100644 index 0000000..93e758e --- /dev/null +++ b/src/vis.h @@ -0,0 +1,112 @@ +/* $NetBSD: vis.h,v 1.21 2013/02/20 17:01:15 christos Exp $ */ + +/*- + * Copyright (c) 1990, 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. + * + * @(#)vis.h 8.1 (Berkeley) 6/2/93 + */ + +#ifndef _VIS_H_ +#define _VIS_H_ + +/* + * to select alternate encoding format + */ +#define VIS_OCTAL 0x0001 /* use octal \ddd format */ +#define VIS_CSTYLE 0x0002 /* use \[nrft0..] where appropiate */ + +/* + * to alter set of characters encoded (default is to encode all + * non-graphic except space, tab, and newline). + */ +#define VIS_SP 0x0004 /* also encode space */ +#define VIS_TAB 0x0008 /* also encode tab */ +#define VIS_NL 0x0010 /* also encode newline */ +#define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) +#define VIS_SAFE 0x0020 /* only encode "unsafe" characters */ + +/* + * other + */ +#define VIS_NOSLASH 0x0040 /* inhibit printing '\' */ +#define VIS_HTTP1808 0x0080 /* http-style escape % hex hex */ +#define VIS_HTTPSTYLE 0x0080 /* http-style escape % hex hex */ +#define VIS_MIMESTYLE 0x0100 /* mime-style escape = HEX HEX */ +#define VIS_HTTP1866 0x0200 /* http-style &#num; or &string; */ +#define VIS_NOESCAPE 0x0400 /* don't decode `\' */ +#define _VIS_END 0x0800 /* for unvis */ +#define VIS_GLOB 0x1000 /* encode glob(3) magic characters */ + +/* + * unvis return codes + */ +#define UNVIS_VALID 1 /* character valid */ +#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ +#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ +#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ +#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ + +/* + * unvis flags + */ +#define UNVIS_END _VIS_END /* no more characters */ + +__BEGIN_DECLS +char *vis(char *, int, int, int); +char *nvis(char *, size_t, int, int, int); + +char *svis(char *, int, int, int, const char *); +char *snvis(char *, size_t, int, int, int, const char *); + +int strvis(char *, const char *, int); +int strnvis(char *, size_t, const char *, int); + +int strsvis(char *, const char *, int, const char *); +int strsnvis(char *, size_t, const char *, int, const char *); + +int strvisx(char *, const char *, size_t, int); +int strnvisx(char *, size_t, const char *, size_t, int); +int strenvisx(char *, size_t, const char *, size_t, int, int *); + +int strsvisx(char *, const char *, size_t, int, const char *); +int strsnvisx(char *, size_t, const char *, size_t, int, const char *); +int strsenvisx(char *, size_t, const char *, size_t , int, const char *, + int *); + +int strunvis(char *, const char *); +int strnunvis(char *, size_t, const char *); + +int strunvisx(char *, const char *, int); +int strnunvisx(char *, size_t, const char *, int); + +#ifndef __LIBC12_SOURCE__ +int unvis(char *, int, int *, int); +#endif +__END_DECLS + +#endif /* !_VIS_H_ */ |