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