[e4a3d93] | 1 | /* |
---|
| 2 | * Copyright (c) 1989, 1993 |
---|
| 3 | * The Regents of the University of California. All rights reserved. |
---|
| 4 | * |
---|
| 5 | * Redistribution and use in source and binary forms, with or without |
---|
| 6 | * modification, are permitted provided that the following conditions |
---|
| 7 | * are met: |
---|
| 8 | * 1. Redistributions of source code must retain the above copyright |
---|
| 9 | * notice, this list of conditions and the following disclaimer. |
---|
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
| 11 | * notice, this list of conditions and the following disclaimer in the |
---|
| 12 | * documentation and/or other materials provided with the distribution. |
---|
| 13 | * 3. All advertising materials mentioning features or use of this software |
---|
| 14 | * must display the following acknowledgement: |
---|
| 15 | * This product includes software developed by the University of |
---|
| 16 | * California, Berkeley and its contributors. |
---|
| 17 | * 4. Neither the name of the University nor the names of its contributors |
---|
| 18 | * may be used to endorse or promote products derived from this software |
---|
| 19 | * without specific prior written permission. |
---|
| 20 | * |
---|
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
---|
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
---|
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
---|
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
---|
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
---|
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
---|
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
---|
| 31 | * SUCH DAMAGE. |
---|
| 32 | */ |
---|
| 33 | |
---|
| 34 | #ifndef lint |
---|
| 35 | static const char sccsid[] = "@(#)conv.c 8.1 (Berkeley) 6/6/93"; |
---|
| 36 | #endif /* not lint */ |
---|
| 37 | #include <sys/cdefs.h> |
---|
| 38 | __FBSDID("$FreeBSD: src/usr.bin/hexdump/conv.c,v 1.9 2006/07/31 14:17:04 jkoshy Exp $"); |
---|
| 39 | |
---|
| 40 | #include <sys/types.h> |
---|
| 41 | |
---|
| 42 | #include <assert.h> |
---|
| 43 | #include <ctype.h> |
---|
| 44 | #include <limits.h> |
---|
| 45 | #include <stdio.h> |
---|
| 46 | #include <stdlib.h> |
---|
| 47 | #include <string.h> |
---|
| 48 | #include <wchar.h> |
---|
| 49 | #include <wctype.h> |
---|
| 50 | #include "hexdump.h" |
---|
| 51 | |
---|
| 52 | void |
---|
| 53 | conv_c(rtems_shell_hexdump_globals* globals, PR *pr, u_char *p, size_t bufsize) |
---|
| 54 | { |
---|
| 55 | char buf[10]; |
---|
| 56 | char const *str; |
---|
| 57 | wchar_t wc; |
---|
| 58 | size_t clen, oclen; |
---|
| 59 | int converr, pad, width; |
---|
| 60 | char peekbuf[MB_LEN_MAX]; |
---|
| 61 | |
---|
| 62 | printf("MB_LEN_MAX=%i\n", MB_LEN_MAX); |
---|
| 63 | return; |
---|
| 64 | if (pr->mbleft > 0) { |
---|
| 65 | str = "**"; |
---|
| 66 | pr->mbleft--; |
---|
| 67 | goto strpr; |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | switch(*p) { |
---|
| 71 | case '\0': |
---|
| 72 | str = "\\0"; |
---|
| 73 | goto strpr; |
---|
| 74 | /* case '\a': */ |
---|
| 75 | case '\007': |
---|
| 76 | str = "\\a"; |
---|
| 77 | goto strpr; |
---|
| 78 | case '\b': |
---|
| 79 | str = "\\b"; |
---|
| 80 | goto strpr; |
---|
| 81 | case '\f': |
---|
| 82 | str = "\\f"; |
---|
| 83 | goto strpr; |
---|
| 84 | case '\n': |
---|
| 85 | str = "\\n"; |
---|
| 86 | goto strpr; |
---|
| 87 | case '\r': |
---|
| 88 | str = "\\r"; |
---|
| 89 | goto strpr; |
---|
| 90 | case '\t': |
---|
| 91 | str = "\\t"; |
---|
| 92 | goto strpr; |
---|
| 93 | case '\v': |
---|
| 94 | str = "\\v"; |
---|
| 95 | goto strpr; |
---|
| 96 | default: |
---|
| 97 | break; |
---|
| 98 | } |
---|
| 99 | /* |
---|
| 100 | * Multibyte characters are disabled for hexdump(1) for backwards |
---|
| 101 | * compatibility and consistency (none of its other output formats |
---|
| 102 | * recognize them correctly). |
---|
| 103 | */ |
---|
| 104 | converr = 0; |
---|
| 105 | if (odmode && MB_CUR_MAX > 1) { |
---|
| 106 | oclen = 0; |
---|
| 107 | retry: |
---|
| 108 | clen = mbrtowc(&wc, (char*)p, bufsize, &pr->mbstate); |
---|
| 109 | if (clen == 0) |
---|
| 110 | clen = 1; |
---|
| 111 | else if (clen == (size_t)-1 || (clen == (size_t)-2 && |
---|
| 112 | buf == peekbuf)) { |
---|
| 113 | memset(&pr->mbstate, 0, sizeof(pr->mbstate)); |
---|
| 114 | wc = *p; |
---|
| 115 | clen = 1; |
---|
| 116 | converr = 1; |
---|
| 117 | } else if (clen == (size_t)-2) { |
---|
| 118 | /* |
---|
| 119 | * Incomplete character; peek ahead and see if we |
---|
| 120 | * can complete it. |
---|
| 121 | */ |
---|
| 122 | oclen = bufsize; |
---|
| 123 | bufsize = peek(globals, p = (u_char*)peekbuf, MB_CUR_MAX); |
---|
| 124 | goto retry; |
---|
| 125 | } |
---|
| 126 | clen += oclen; |
---|
| 127 | } else { |
---|
| 128 | wc = *p; |
---|
| 129 | clen = 1; |
---|
| 130 | } |
---|
| 131 | if (!converr && iswprint(wc)) { |
---|
| 132 | if (!odmode) { |
---|
| 133 | *pr->cchar = 'c'; |
---|
| 134 | (void)printf(pr->fmt, (int)wc); |
---|
[0893220] | 135 | } else { |
---|
[e4a3d93] | 136 | *pr->cchar = 'C'; |
---|
| 137 | assert(strcmp(pr->fmt, "%3C") == 0); |
---|
| 138 | width = wcwidth(wc); |
---|
| 139 | assert(width >= 0); |
---|
| 140 | pad = 3 - width; |
---|
| 141 | if (pad < 0) |
---|
| 142 | pad = 0; |
---|
[f7980217] | 143 | (void)printf("%*s%lc", pad, "", wc); |
---|
[e4a3d93] | 144 | pr->mbleft = clen - 1; |
---|
| 145 | } |
---|
| 146 | } else { |
---|
| 147 | (void)sprintf(buf, "%03o", (int)*p); |
---|
| 148 | str = buf; |
---|
| 149 | strpr: *pr->cchar = 's'; |
---|
| 150 | (void)printf(pr->fmt, str); |
---|
| 151 | } |
---|
| 152 | } |
---|
| 153 | |
---|
| 154 | void |
---|
| 155 | conv_u(rtems_shell_hexdump_globals* globals, PR *pr, u_char *p) |
---|
| 156 | { |
---|
| 157 | static char const * list[] = { |
---|
| 158 | "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", |
---|
| 159 | "bs", "ht", "lf", "vt", "ff", "cr", "so", "si", |
---|
| 160 | "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb", |
---|
| 161 | "can", "em", "sub", "esc", "fs", "gs", "rs", "us", |
---|
| 162 | }; |
---|
| 163 | |
---|
| 164 | /* od used nl, not lf */ |
---|
| 165 | if (*p <= 0x1f) { |
---|
| 166 | *pr->cchar = 's'; |
---|
| 167 | if (odmode && *p == 0x0a) |
---|
| 168 | (void)printf(pr->fmt, "nl"); |
---|
| 169 | else |
---|
| 170 | (void)printf(pr->fmt, list[*p]); |
---|
| 171 | } else if (*p == 0x7f) { |
---|
| 172 | *pr->cchar = 's'; |
---|
| 173 | (void)printf(pr->fmt, "del"); |
---|
| 174 | } else if (odmode && *p == 0x20) { /* od replaced space with sp */ |
---|
| 175 | *pr->cchar = 's'; |
---|
| 176 | (void)printf(pr->fmt, " sp"); |
---|
| 177 | } else if (isprint(*p)) { |
---|
| 178 | *pr->cchar = 'c'; |
---|
| 179 | (void)printf(pr->fmt, *p); |
---|
| 180 | } else { |
---|
| 181 | *pr->cchar = 'x'; |
---|
| 182 | (void)printf(pr->fmt, (int)*p); |
---|
| 183 | } |
---|
| 184 | } |
---|