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Annotation of src/usr.bin/hexdump/conv.c, Revision 1.7

1.7     ! deraadt     1: /*     $OpenBSD: conv.c,v 1.6 2003/06/03 02:56:09 millert Exp $        */
1.4       pvalchev    2: /*     $NetBSD: conv.c,v 1.7 2001/12/07 15:14:29 bjh21 Exp $   */
1.2       deraadt     3:
1.1       deraadt     4: /*
1.4       pvalchev    5:  * Copyright (c) 1989, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
1.1       deraadt     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:
                     33: #ifndef lint
                     34: /*static char sccsid[] = "from: @(#)conv.c     5.4 (Berkeley) 6/1/90";*/
1.7     ! deraadt    35: static char rcsid[] = "$OpenBSD: conv.c,v 1.6 2003/06/03 02:56:09 millert Exp $";
1.1       deraadt    36: #endif /* not lint */
                     37:
                     38: #include <sys/types.h>
1.4       pvalchev   39:
                     40: #include <stdio.h>
1.1       deraadt    41: #include <ctype.h>
1.4       pvalchev   42:
1.1       deraadt    43: #include "hexdump.h"
                     44:
1.3       deraadt    45: void
1.7     ! deraadt    46: conv_c(PR *pr, u_char *p)
1.1       deraadt    47: {
1.4       pvalchev   48:        char buf[10];
                     49:        char const *str;
1.1       deraadt    50:
                     51:        switch(*p) {
                     52:        case '\0':
                     53:                str = "\\0";
                     54:                goto strpr;
                     55:        /* case '\a': */
                     56:        case '\007':
                     57:                if (deprecated)         /* od didn't know about \a */
                     58:                        break;
                     59:                str = "\\a";
                     60:                goto strpr;
                     61:        case '\b':
                     62:                str = "\\b";
                     63:                goto strpr;
                     64:        case '\f':
                     65:                str = "\\f";
                     66:                goto strpr;
                     67:        case '\n':
                     68:                str = "\\n";
                     69:                goto strpr;
                     70:        case '\r':
                     71:                str = "\\r";
                     72:                goto strpr;
                     73:        case '\t':
                     74:                str = "\\t";
                     75:                goto strpr;
                     76:        case '\v':
                     77:                if (deprecated)
                     78:                        break;
                     79:                str = "\\v";
                     80:                goto strpr;
                     81:        default:
                     82:                break;
                     83:        }
                     84:        if (isprint(*p)) {
                     85:                *pr->cchar = 'c';
                     86:                (void)printf(pr->fmt, *p);
                     87:        } else {
1.5       deraadt    88:                (void)snprintf(buf, sizeof buf, "%03o", (int)*p);
1.4       pvalchev   89:                str = buf;
1.1       deraadt    90: strpr:         *pr->cchar = 's';
                     91:                (void)printf(pr->fmt, str);
                     92:        }
                     93: }
                     94:
1.3       deraadt    95: void
1.7     ! deraadt    96: conv_u(PR *pr, u_char *p)
1.1       deraadt    97: {
1.4       pvalchev   98:        static const char *list[] = {
1.1       deraadt    99:                "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
                    100:                 "bs",  "ht",  "lf",  "vt",  "ff",  "cr",  "so",  "si",
                    101:                "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
                    102:                "can",  "em", "sub", "esc",  "fs",  "gs",  "rs",  "us",
                    103:        };
                    104:
                    105:                                                /* od used nl, not lf */
                    106:        if (*p <= 0x1f) {
                    107:                *pr->cchar = 's';
                    108:                if (deprecated && *p == 0x0a)
                    109:                        (void)printf(pr->fmt, "nl");
                    110:                else
                    111:                        (void)printf(pr->fmt, list[*p]);
                    112:        } else if (*p == 0x7f) {
                    113:                *pr->cchar = 's';
                    114:                (void)printf(pr->fmt, "del");
1.4       pvalchev  115:        } else if (deprecated && *p == 0x20) {  /* od replaced space with sp */
1.1       deraadt   116:                *pr->cchar = 's';
                    117:                (void)printf(pr->fmt, " sp");
                    118:        } else if (isprint(*p)) {
                    119:                *pr->cchar = 'c';
                    120:                (void)printf(pr->fmt, *p);
                    121:        } else {
                    122:                *pr->cchar = 'x';
                    123:                (void)printf(pr->fmt, (int)*p);
                    124:        }
                    125: }