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1 /* Synched up with: FSF 19.28. */
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2
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398
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3 #include <config.h>
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0
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4
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5 #include <stdio.h>
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6 #include <ctype.h>
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398
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7 #ifdef WINDOWSNT
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8 #include <io.h>
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0
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9 #include <fcntl.h>
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10 #endif
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11
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12 #if __STDC__ || defined(STDC_HEADERS)
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13 #include <stdlib.h>
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14 #include <unistd.h>
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15 #include <string.h>
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16 #endif
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17
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18 #define DEFAULT_GROUPING 0x01
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19 #define DEFAULT_BASE 16
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20
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21 #undef TRUE
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22 #undef FALSE
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23 #define TRUE (1)
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24 #define FALSE (0)
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25
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26 int base = DEFAULT_BASE, un_flag = FALSE, iso_flag = FALSE, endian = 1;
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27 int group_by = DEFAULT_GROUPING;
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28 char *progname;
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29
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30 void usage (void);
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31
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32 int
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398
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33 main (int argc, char *argv[])
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0
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34 {
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35 register long address;
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36 char string[18];
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37 FILE *fp;
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38
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39 progname = *argv++; --argc;
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40
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41 /*
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42 ** -hex hex dump
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43 ** -oct Octal dump
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44 ** -group-by-8-bits
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45 ** -group-by-16-bits
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46 ** -group-by-32-bits
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47 ** -group-by-64-bits
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48 ** -iso iso character set.
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49 ** -big-endian Big Endian
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50 ** -little-endian Little Endian
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51 ** -un || -de from hexl format to binary.
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52 ** -- End switch list.
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53 ** <filename> dump filename
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54 ** - (as filename == stdin)
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55 */
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56
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57 while (*argv && *argv[0] == '-' && (*argv)[1])
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58 {
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59 /* A switch! */
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60 if (!strcmp (*argv, "--"))
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61 {
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62 --argc; argv++;
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63 break;
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64 }
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65 else if (!strcmp (*argv, "-un") || !strcmp (*argv, "-de"))
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66 {
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67 un_flag = TRUE;
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68 --argc; argv++;
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69 }
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70 else if (!strcmp (*argv, "-hex"))
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71 {
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72 base = 16;
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73 --argc; argv++;
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74 }
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75 else if (!strcmp (*argv, "-iso"))
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76 {
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77 iso_flag = TRUE;
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78 --argc; argv++;
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79 }
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80 else if (!strcmp (*argv, "-oct"))
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81 {
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82 base = 8;
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83 --argc; argv++;
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84 }
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85 else if (!strcmp (*argv, "-big-endian"))
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86 {
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87 endian = 1;
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88 --argc; argv++;
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89 }
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90 else if (!strcmp (*argv, "-little-endian"))
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91 {
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92 endian = 0;
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93 --argc; argv++;
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94 }
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95 else if (!strcmp (*argv, "-group-by-8-bits"))
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96 {
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97 group_by = 0x00;
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98 --argc; argv++;
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99 }
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100 else if (!strcmp (*argv, "-group-by-16-bits"))
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101 {
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102 group_by = 0x01;
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103 --argc; argv++;
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104 }
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105 else if (!strcmp (*argv, "-group-by-32-bits"))
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106 {
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107 group_by = 0x03;
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108 --argc; argv++;
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109 }
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110 else if (!strcmp (*argv, "-group-by-64-bits"))
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111 {
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112 group_by = 0x07;
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113 endian = 0;
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114 --argc; argv++;
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115 }
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116 else
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117 {
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118 (void) fprintf (stderr, "%s: invalid switch: \"%s\".\n", progname,
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119 *argv);
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120 usage ();
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121 }
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122 }
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123
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124 do
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125 {
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126 if (*argv == NULL)
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127 fp = stdin;
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128 else
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129 {
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130 char *filename = *argv++;
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131
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132 if (!strcmp (filename, "-"))
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133 fp = stdin;
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134 else if ((fp = fopen (filename, "r")) == NULL)
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135 {
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136 perror (filename);
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137 continue;
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138 }
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139 }
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140
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141 if (un_flag)
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142 {
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143 char buf[18];
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144
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398
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145 #ifdef WINDOWSNT
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146 _setmode (_fileno (stdout), O_BINARY);
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0
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147 #endif
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148 for (;;)
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149 {
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150 register int i, c, d;
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151
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152 #define hexchar(x) (isdigit (x) ? x - '0' : x - 'a' + 10)
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153
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154 fread (buf, 1, 10, fp); /* skip 10 bytes */
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155
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156 for (i=0; i < 16; ++i)
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157 {
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158 if ((c = getc (fp)) == ' ' || c == EOF)
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159 break;
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160
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161 d = getc (fp);
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162 c = hexchar (c) * 0x10 + hexchar (d);
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163 putchar (c);
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164
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165 if ((i&group_by) == group_by)
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166 getc (fp);
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167 }
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168
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169 if (c == ' ')
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170 {
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171 while ((c = getc (fp)) != '\n' && c != EOF)
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172 ;
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173
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174 if (c == EOF)
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175 break;
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176 }
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177 else
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178 {
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179 if (i < 16)
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180 break;
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181
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182 fread (buf, 1, 18, fp); /* skip 18 bytes */
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183 }
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184 }
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185 }
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186 else
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187 {
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398
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188 #ifdef WINDOWSNT
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189 _setmode (_fileno (fp), O_BINARY);
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0
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190 #endif
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191 address = 0;
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192 string[0] = ' ';
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193 string[17] = '\0';
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194 for (;;)
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195 {
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196 register int i, c;
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197
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198 for (i=0; i < 16; ++i)
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199 {
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200 if ((c = getc (fp)) == EOF)
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201 {
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202 if (!i)
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203 break;
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204
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205 fputs (" ", stdout);
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206 string[i+1] = '\0';
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207 }
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208 else
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209 {
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210 if (!i)
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211 (void) printf ("%08lx: ", address);
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212
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213 if (iso_flag)
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214 string[i+1] =
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215 (c < 0x20 || (c >= 0x7F && c < 0xa0)) ? '.' :c;
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216 else
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217 string[i+1] = (c < 0x20 || c >= 0x7F) ? '.' : c;
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218
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219 (void) printf ("%02x", c);
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220 }
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221
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222 if ((i&group_by) == group_by)
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223 putchar (' ');
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224 }
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225
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226 if (i)
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227 puts (string);
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228
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229 if (c == EOF)
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230 break;
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231
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232 address += 0x10;
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233
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234 }
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235 }
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236
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237 if (fp != stdin)
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238 (void) fclose (fp);
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239
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240 } while (*argv != NULL);
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241 return 0;
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242 }
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243
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244 void
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245 usage ()
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246 {
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247 (void) fprintf (stderr, "usage: %s [-de] [-iso]\n", progname);
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248 exit (1);
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249 }
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