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/* $OpenBSD: conv.c,v 1.10 2014/04/19 09:28:20 sobrado Exp $ */ |
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/* $NetBSD: conv.c,v 1.7 2001/12/07 15:14:29 bjh21 Exp $ */ |
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/* |
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* Copyright (c) 1989, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <sys/types.h> |
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#include <stdio.h> |
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#include <ctype.h> |
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#include "hexdump.h" |
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void |
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conv_c(PR *pr, u_char *p) |
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{ |
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char buf[10]; |
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char const *str; |
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switch(*p) { |
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case '\0': |
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str = "\\0"; |
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goto strpr; |
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/* case '\a': */ |
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case '\007': |
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if (odmode) /* od didn't know about \a */ |
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break; |
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str = "\\a"; |
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goto strpr; |
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case '\b': |
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str = "\\b"; |
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goto strpr; |
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case '\f': |
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str = "\\f"; |
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goto strpr; |
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case '\n': |
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str = "\\n"; |
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goto strpr; |
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case '\r': |
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str = "\\r"; |
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goto strpr; |
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case '\t': |
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str = "\\t"; |
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goto strpr; |
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case '\v': |
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if (odmode) |
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break; |
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str = "\\v"; |
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goto strpr; |
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default: |
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break; |
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} |
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if (isprint(*p)) { |
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*pr->cchar = 'c'; |
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(void)printf(pr->fmt, *p); |
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} else { |
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(void)snprintf(buf, sizeof buf, "%03o", (int)*p); |
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str = buf; |
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strpr: *pr->cchar = 's'; |
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(void)printf(pr->fmt, str); |
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} |
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} |
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void |
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conv_u(PR *pr, u_char *p) |
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{ |
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static const char *list[] = { |
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"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", |
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"bs", "ht", "lf", "vt", "ff", "cr", "so", "si", |
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"dle", "dc1", "dc2", "dc3", "dc4", "nak", "syn", "etb", |
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"can", "em", "sub", "esc", "fs", "gs", "rs", "us", |
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}; |
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/* od used nl, not lf */ |
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if (*p <= 0x1f) { |
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*pr->cchar = 's'; |
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if (odmode && *p == 0x0a) |
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(void)printf(pr->fmt, "nl"); |
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else |
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(void)printf(pr->fmt, list[*p]); |
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} else if (*p == 0x7f) { |
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*pr->cchar = 's'; |
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(void)printf(pr->fmt, "del"); |
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} else if (odmode && *p == 0x20) { /* od replaced space with sp */ |
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*pr->cchar = 's'; |
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(void)printf(pr->fmt, " sp"); |
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} else if (isprint(*p)) { |
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*pr->cchar = 'c'; |
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(void)printf(pr->fmt, *p); |
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} else { |
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*pr->cchar = 'x'; |
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(void)printf(pr->fmt, (int)*p); |
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} |
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} |