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7
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1 /* xxd: my hexdump facility. jw
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2 *
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3 * 2.10.90 changed to word output
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4 * 3.03.93 new indent style, dumb bug inserted and fixed.
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5 * -c option, mls
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6 * 26.04.94 better option parser, -ps, -l, -s added.
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7 * 1.07.94 -r badly needs - as input file. Per default autoskip over
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8 * consequtive lines of zeroes, as unix od does.
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9 * -a shows them too.
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10 * -i dump as c-style #include "file.h"
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11 * 1.11.95 if "xxd -i" knows the filename, an 'unsigned char filename_bits[]'
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12 * array is written in correct c-syntax.
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13 * -s improved, now defaults to absolute seek, relative requires a '+'.
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14 * -r improved, now -r -s -0x... is supported.
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15 * change/suppress leading '\0' bytes.
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16 * -l n improved: stops exactly after n bytes.
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17 * -r improved, better handling of partial lines with trailing garbage.
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18 * -r improved, now -r -p works again!
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19 * -r improved, less flushing, much faster now! (that was silly)
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20 * 3.04.96 Per repeated request of a single person: autoskip defaults to off.
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21 * 15.05.96 -v added. They want to know the version.
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22 * -a fixed, to show last line inf file ends in all zeros.
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23 * -u added: Print upper case hex-letters, as preferred by unix bc.
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24 * -h added to usage message. Usage message extended.
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25 * Now using outfile if specified even in normal mode, aehem.
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26 * No longer mixing of ints and longs. May help doze people.
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27 * Added binify ioctl for same reason. (Enough Doze stress for 1996!)
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28 * 16.05.96 -p improved, removed occasional superfluous linefeed.
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29 * 20.05.96 -l 0 fixed. tried to read anyway.
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30 * 21.05.96 -i fixed. now honours -u, and prepends __ to numeric filenames.
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31 * compile -DWIN32 for NT or W95. George V. Reilly, * -v improved :-)
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32 * support --gnuish-longhorn-options
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33 * 25.05.96 MAC support added: CodeWarrior already uses ``outline'' in Types.h
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34 * which is included by MacHeaders (Axel Kielhorn). Renamed to
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35 * xxdline().
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36 * 7.06.96 -i printed 'int' instead of 'char'. *blush*
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37 * added Bram's OS2 ifdefs...
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38 * 18.07.96 gcc -Wall @ SunOS4 is now slient.
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39 * Added osver for MSDOS/DJGPP/WIN32.
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40 * 29.08.96 Added size_t to strncmp() for Amiga.
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41 * 24.03.97 Windows NT support (Phil Hanna). Clean exit for Amiga WB (Bram)
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42 * 02.04.97 Added -E option, to have EBCDIC translation instead of ASCII
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216
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43 * (azc10@yahoo.com)
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7
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44 * 22.05.97 added -g (group octets) option (jcook@namerica.kla.com).
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45 * 23.09.98 nasty -p -r misfeature fixed: slightly wrong output, when -c was
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46 * missing or wrong.
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47 * 26.09.98 Fixed: 'xxd -i infile outfile' did not truncate outfile.
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48 * 27.10.98 Fixed: -g option parser required blank.
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49 * option -b added: 01000101 binary output in normal format.
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50 * 16.05.00 Added VAXC changes by Stephen P. Wall
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51 * 16.05.00 Improved MMS file and merege for VMS by Zoltan Arpadffy
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52 *
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53 * (c) 1990-1998 by Juergen Weigert (jnweiger@informatik.uni-erlangen.de)
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54 *
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55 * Small changes made afterwards by Bram Moolenaar et al.
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56 *
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57 * Distribute freely and credit me,
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58 * make money and share with me,
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59 * lose money and don't ask me.
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60 */
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714
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61
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62 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
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63 #if _MSC_VER >= 1400
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64 # define _CRT_SECURE_NO_DEPRECATE
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65 # define _CRT_NONSTDC_NO_DEPRECATE
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66 #endif
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67
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7
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68 #include <stdio.h>
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69 #ifdef VAXC
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70 # include <file.h>
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71 #else
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72 # include <fcntl.h>
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73 #endif
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74 #ifdef __TSC__
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75 # define MSDOS
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76 #endif
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77 #if !defined(OS2) && defined(__EMX__)
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78 # define OS2
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79 #endif
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80 #if defined(MSDOS) || defined(WIN32) || defined(OS2) || defined(__BORLANDC__)
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81 # include <io.h> /* for setmode() */
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82 #else
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83 # ifdef UNIX
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84 # include <unistd.h>
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85 # endif
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86 #endif
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87 #include <stdlib.h>
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88 #include <string.h> /* for strncmp() */
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89 #include <ctype.h> /* for isalnum() */
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90 #if __MWERKS__ && !defined(BEBOX)
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91 # include <unix.h> /* for fdopen() on MAC */
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92 #endif
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93
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94 #if defined(__BORLANDC__) && __BORLANDC__ <= 0x0410 && !defined(fileno)
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95 /* Missing define and prototype grabbed from the BC 4.0 <stdio.h> */
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96 # define fileno(f) ((f)->fd)
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97 FILE _FAR *_Cdecl _FARFUNC fdopen(int __handle, char _FAR *__type);
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98 #endif
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99
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100
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101 /* This corrects the problem of missing prototypes for certain functions
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102 * in some GNU installations (e.g. SunOS 4.1.x).
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103 * Darren Hiebert <darren@hmi.com> (sparc-sun-sunos4.1.3_U1/2.7.2.2)
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104 */
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105 #if defined(__GNUC__) && defined(__STDC__)
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106 # ifndef __USE_FIXED_PROTOTYPES__
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107 # define __USE_FIXED_PROTOTYPES__
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108 # endif
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109 #endif
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110
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111 #ifndef __USE_FIXED_PROTOTYPES__
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112 /*
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113 * This is historic and works only if the compiler really has no prototypes:
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114 *
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115 * Include prototypes for Sun OS 4.x, when using an ANSI compiler.
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116 * FILE is defined on OS 4.x, not on 5.x (Solaris).
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117 * if __SVR4 is defined (some Solaris versions), don't include this.
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118 */
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119 #if defined(sun) && defined(FILE) && !defined(__SVR4) && defined(__STDC__)
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120 # define __P(a) a
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121 /* excerpt from my sun_stdlib.h */
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122 extern int fprintf __P((FILE *, char *, ...));
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123 extern int fputs __P((char *, FILE *));
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124 extern int _flsbuf __P((unsigned char, FILE *));
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125 extern int _filbuf __P((FILE *));
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126 extern int fflush __P((FILE *));
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127 extern int fclose __P((FILE *));
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128 extern int fseek __P((FILE *, long, int));
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129 extern int rewind __P((FILE *));
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130
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131 extern void perror __P((char *));
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132 # endif
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133 #endif
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134
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135 extern long int strtol();
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136 extern long int ftell();
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137
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138 char version[] = "xxd V1.10 27oct98 by Juergen Weigert";
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139 #ifdef WIN32
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140 char osver[] = " (Win32)";
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141 #else
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142 # ifdef DJGPP
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143 char osver[] = " (dos 32 bit)";
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144 # else
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145 # ifdef MSDOS
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146 char osver[] = " (dos 16 bit)";
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147 # else
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148 char osver[] = "";
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149 # endif
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150 # endif
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151 #endif
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152
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153 #if !defined(CYGWIN) && (defined(CYGWIN32) || defined(__CYGWIN__) || defined(__CYGWIN32__))
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154 # define CYGWIN
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155 #endif
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602
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156 #if defined(MSDOS) || defined(WIN32) || defined(OS2)
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7
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157 # define BIN_READ(yes) ((yes) ? "rb" : "rt")
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158 # define BIN_WRITE(yes) ((yes) ? "wb" : "wt")
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159 # define BIN_CREAT(yes) ((yes) ? (O_CREAT|O_BINARY) : O_CREAT)
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160 # define BIN_ASSIGN(fp, yes) setmode(fileno(fp), (yes) ? O_BINARY : O_TEXT)
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602
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161 # define PATH_SEP '\\'
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162 #elif defined(CYGWIN)
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163 # define BIN_READ(yes) ((yes) ? "rb" : "rt")
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164 # define BIN_WRITE(yes) ((yes) ? "wb" : "w")
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165 # define BIN_CREAT(yes) ((yes) ? (O_CREAT|O_BINARY) : O_CREAT)
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166 # define BIN_ASSIGN(fp, yes) ((yes) ? (void) setmode(fileno(fp), O_BINARY) : (void) (fp))
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167 # define PATH_SEP '/'
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7
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168 #else
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169 # ifdef VMS
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170 # define BIN_READ(dummy) "r"
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171 # define BIN_WRITE(dummy) "w"
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172 # define BIN_CREAT(dummy) O_CREAT
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173 # define BIN_ASSIGN(fp, dummy) fp
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174 # define PATH_SEP ']'
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175 # define FILE_SEP '.'
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176 # else
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177 # define BIN_READ(dummy) "r"
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178 # define BIN_WRITE(dummy) "w"
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179 # define BIN_CREAT(dummy) O_CREAT
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180 # define BIN_ASSIGN(fp, dummy) fp
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181 # define PATH_SEP '/'
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182 # endif
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183 #endif
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184
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185 /* open has only to arguments on the Mac */
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186 #if __MWERKS__
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187 # define OPEN(name, mode, umask) open(name, mode)
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188 #else
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189 # define OPEN(name, mode, umask) open(name, mode, umask)
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190 #endif
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191
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192 #ifdef AMIGA
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193 # define STRNCMP(s1, s2, l) strncmp(s1, s2, (size_t)l)
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194 #else
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195 # define STRNCMP(s1, s2, l) strncmp(s1, s2, l)
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196 #endif
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197
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198 #ifndef __P
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199 # if defined(__STDC__) || defined(MSDOS) || defined(WIN32) || defined(OS2) \
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200 || defined(__BORLANDC__)
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201 # define __P(a) a
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202 # else
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203 # define __P(a) ()
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204 # endif
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205 #endif
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206
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207 /* Let's collect some prototypes */
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208 /* CodeWarrior is really picky about missing prototypes */
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209 static void exit_with_usage __P((char *));
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210 static int huntype __P((FILE *, FILE *, FILE *, char *, int, int, long));
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211 static void xxdline __P((FILE *, char *, int));
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212
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213 #define TRY_SEEK /* attempt to use lseek, or skip forward by reading */
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214 #define COLS 256 /* change here, if you ever need more columns */
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215 #define LLEN (9 + (5*COLS-1)/2 + 2 + COLS)
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216
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217 char hexxa[] = "0123456789abcdef0123456789ABCDEF", *hexx = hexxa;
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218
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219 /* the different hextypes known by this program: */
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220 #define HEX_NORMAL 0
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221 #define HEX_POSTSCRIPT 1
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222 #define HEX_CINCLUDE 2
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223 #define HEX_BITS 3 /* not hex a dump, but bits: 01111001 */
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224
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225 static void
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226 exit_with_usage(pname)
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227 char *pname;
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228 {
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229 fprintf(stderr, "Usage:\n %s [options] [infile [outfile]]\n", pname);
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230 fprintf(stderr, " or\n %s -r [-s [-]offset] [-c cols] [-ps] [infile [outfile]]\n", pname);
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231 fprintf(stderr, "Options:\n");
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232 fprintf(stderr, " -a toggle autoskip: A single '*' replaces nul-lines. Default off.\n");
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233 fprintf(stderr, " -b binary digit dump (incompatible with -p,-i,-r). Default hex.\n");
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234 fprintf(stderr, " -c cols format <cols> octets per line. Default 16 (-i: 12, -ps: 30).\n");
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235 fprintf(stderr, " -E show characters in EBCDIC. Default ASCII.\n");
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236 fprintf(stderr, " -g number of octets per group in normal output. Default 2.\n");
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237 fprintf(stderr, " -h print this summary.\n");
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238 fprintf(stderr, " -i output in C include file style.\n");
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239 fprintf(stderr, " -l len stop after <len> octets.\n");
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240 fprintf(stderr, " -ps output in postscript plain hexdump style.\n");
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241 fprintf(stderr, " -r reverse operation: convert (or patch) hexdump into binary.\n");
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242 fprintf(stderr, " -r -s off revert with <off> added to file positions found in hexdump.\n");
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243 fprintf(stderr, " -s %sseek start at <seek> bytes abs. %sinfile offset.\n",
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244 #ifdef TRY_SEEK
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245 "[+][-]", "(or +: rel.) ");
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246 #else
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247 "", "");
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248 #endif
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249 fprintf(stderr, " -u use upper case hex letters.\n");
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250 fprintf(stderr, " -v show version: \"%s%s\".\n", version, osver);
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251 exit(1);
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252 }
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253
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254 /*
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255 * Max. cols binary characters are decoded from the input stream per line.
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256 * Two adjacent garbage characters after evaluated data delimit valid data.
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257 * Everything up to the next newline is discarded.
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258 *
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259 * The name is historic and came from 'undo type opt h'.
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260 */
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261 static int
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262 huntype(fpi, fpo, fperr, pname, cols, hextype, base_off)
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263 FILE *fpi, *fpo, *fperr;
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264 char *pname;
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265 int cols, hextype;
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266 long base_off;
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267 {
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268 int c, ign_garb = 1, n1 = -1, n2 = 0, n3, p = cols;
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269 long have_off = 0, want_off = 0;
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270
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271 rewind(fpi);
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272
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273 while ((c = getc(fpi)) != EOF)
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274 {
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275 if (c == '\r') /* Doze style input file? */
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276 continue;
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277
|
|
819
|
278 #if 0 /* this doesn't work when there is normal text after the hex codes in
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279 the last line that looks like hex */
|
|
809
|
280 if (c == ' ' || c == '\n' || c == '\t') /* allow multiple spaces */
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|
856
|
281 continue;
|
|
819
|
282 #endif
|
|
809
|
283
|
|
7
|
284 n3 = n2;
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285 n2 = n1;
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286
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287 if (c >= '0' && c <= '9')
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288 n1 = c - '0';
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289 else if (c >= 'a' && c <= 'f')
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290 n1 = c - 'a' + 10;
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291 else if (c >= 'A' && c <= 'F')
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292 n1 = c - 'A' + 10;
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|
293 else
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|
294 {
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295 n1 = -1;
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|
|
296 if (ign_garb)
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|
297 continue;
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|
|
298 }
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|
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299
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|
|
300 ign_garb = 0;
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301
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|
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302 if (p >= cols)
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|
|
303 {
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|
|
304 if (!hextype)
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|
|
305 {
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|
|
306 if (n1 < 0)
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|
|
307 {
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|
|
308 p = 0;
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|
309 continue;
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|
310 }
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|
|
311 want_off = (want_off << 4) | n1;
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|
312 continue;
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|
313 }
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|
|
314 else
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|
|
315 p = 0;
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|
|
316 }
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|
|
317
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|
|
318 if (base_off + want_off != have_off)
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|
|
319 {
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|
|
320 fflush(fpo);
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|
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321 #ifdef TRY_SEEK
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|
322 c = fseek(fpo, base_off + want_off - have_off, 1);
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323 if (c >= 0)
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|
324 have_off = base_off + want_off;
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|
|
325 #endif
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|
|
326 if (base_off + want_off < have_off)
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|
|
327 {
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|
328 fprintf(fperr, "%s: sorry, cannot seek backwards.\n", pname);
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|
|
329 return 5;
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|
|
330 }
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|
|
331 for (; have_off < base_off + want_off; have_off++)
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|
|
332 putc(0, fpo);
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|
|
333 }
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|
|
334
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|
|
335 if (n2 >= 0 && n1 >= 0)
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|
|
336 {
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|
|
337 putc((n2 << 4) | n1, fpo);
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|
|
338 have_off++;
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|
|
339 want_off++;
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|
|
340 n1 = -1;
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|
|
341 if ((++p >= cols) && !hextype)
|
|
|
342 {
|
|
809
|
343 /* skip rest of line as garbage */
|
|
7
|
344 want_off = 0;
|
|
|
345 while ((c = getc(fpi)) != '\n' && c != EOF)
|
|
|
346 ;
|
|
|
347 ign_garb = 1;
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|
|
348 }
|
|
|
349 }
|
|
|
350 else if (n1 < 0 && n2 < 0 && n3 < 0)
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|
|
351 {
|
|
|
352 /* already stumbled into garbage, skip line, wait and see */
|
|
|
353 if (!hextype)
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|
|
354 want_off = 0;
|
|
|
355 while ((c = getc(fpi)) != '\n' && c != EOF)
|
|
|
356 ;
|
|
|
357 ign_garb = 1;
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|
|
358 }
|
|
|
359 }
|
|
|
360 fflush(fpo);
|
|
|
361 #ifdef TRY_SEEK
|
|
|
362 fseek(fpo, 0L, 2);
|
|
|
363 #endif
|
|
|
364 fclose(fpo);
|
|
|
365 fclose(fpi);
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|
|
366 return 0;
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|
|
367 }
|
|
|
368
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|
|
369 /*
|
|
|
370 * Print line l. If nz is false, xxdline regards the line a line of
|
|
|
371 * zeroes. If there are three or more consecutive lines of zeroes,
|
|
|
372 * they are replaced by a single '*' character.
|
|
|
373 *
|
|
|
374 * If the output ends with more than two lines of zeroes, you
|
|
|
375 * should call xxdline again with l being the last line and nz
|
|
|
376 * negative. This ensures that the last line is shown even when
|
|
|
377 * it is all zeroes.
|
|
|
378 *
|
|
|
379 * If nz is always positive, lines are never suppressed.
|
|
|
380 */
|
|
|
381 static void
|
|
|
382 xxdline(fp, l, nz)
|
|
|
383 FILE *fp;
|
|
|
384 char *l;
|
|
|
385 int nz;
|
|
|
386 {
|
|
|
387 static char z[LLEN+1];
|
|
|
388 static int zero_seen = 0;
|
|
|
389
|
|
|
390 if (!nz && zero_seen == 1)
|
|
|
391 strcpy(z, l);
|
|
|
392
|
|
|
393 if (nz || !zero_seen++)
|
|
|
394 {
|
|
|
395 if (nz)
|
|
|
396 {
|
|
|
397 if (nz < 0)
|
|
|
398 zero_seen--;
|
|
|
399 if (zero_seen == 2)
|
|
|
400 fputs(z, fp);
|
|
|
401 if (zero_seen > 2)
|
|
|
402 fputs("*\n", fp);
|
|
|
403 }
|
|
|
404 if (nz >= 0 || zero_seen > 0)
|
|
|
405 fputs(l, fp);
|
|
|
406 if (nz)
|
|
|
407 zero_seen = 0;
|
|
|
408 }
|
|
|
409 }
|
|
|
410
|
|
|
411 /* This is an EBCDIC to ASCII conversion table */
|
|
|
412 /* from a proposed BTL standard April 16, 1979 */
|
|
|
413 static unsigned char etoa64[] =
|
|
|
414 {
|
|
|
415 0040,0240,0241,0242,0243,0244,0245,0246,
|
|
|
416 0247,0250,0325,0056,0074,0050,0053,0174,
|
|
|
417 0046,0251,0252,0253,0254,0255,0256,0257,
|
|
|
418 0260,0261,0041,0044,0052,0051,0073,0176,
|
|
|
419 0055,0057,0262,0263,0264,0265,0266,0267,
|
|
|
420 0270,0271,0313,0054,0045,0137,0076,0077,
|
|
|
421 0272,0273,0274,0275,0276,0277,0300,0301,
|
|
|
422 0302,0140,0072,0043,0100,0047,0075,0042,
|
|
|
423 0303,0141,0142,0143,0144,0145,0146,0147,
|
|
|
424 0150,0151,0304,0305,0306,0307,0310,0311,
|
|
|
425 0312,0152,0153,0154,0155,0156,0157,0160,
|
|
|
426 0161,0162,0136,0314,0315,0316,0317,0320,
|
|
|
427 0321,0345,0163,0164,0165,0166,0167,0170,
|
|
|
428 0171,0172,0322,0323,0324,0133,0326,0327,
|
|
|
429 0330,0331,0332,0333,0334,0335,0336,0337,
|
|
|
430 0340,0341,0342,0343,0344,0135,0346,0347,
|
|
|
431 0173,0101,0102,0103,0104,0105,0106,0107,
|
|
|
432 0110,0111,0350,0351,0352,0353,0354,0355,
|
|
|
433 0175,0112,0113,0114,0115,0116,0117,0120,
|
|
|
434 0121,0122,0356,0357,0360,0361,0362,0363,
|
|
|
435 0134,0237,0123,0124,0125,0126,0127,0130,
|
|
|
436 0131,0132,0364,0365,0366,0367,0370,0371,
|
|
|
437 0060,0061,0062,0063,0064,0065,0066,0067,
|
|
|
438 0070,0071,0372,0373,0374,0375,0376,0377
|
|
|
439 };
|
|
|
440
|
|
|
441 int
|
|
|
442 main(argc, argv)
|
|
|
443 int argc;
|
|
|
444 char *argv[];
|
|
|
445 {
|
|
|
446 FILE *fp, *fpo;
|
|
|
447 int c, e, p = 0, relseek = 1, negseek = 0, revert = 0;
|
|
|
448 int cols = 0, nonzero = 0, autoskip = 0, hextype = HEX_NORMAL;
|
|
|
449 int ebcdic = 0;
|
|
|
450 int octspergrp = -1; /* number of octets grouped in output */
|
|
|
451 int grplen; /* total chars per octet group */
|
|
|
452 long length = -1, n = 0, seekoff = 0;
|
|
|
453 char l[LLEN+1];
|
|
|
454 char *pname, *pp;
|
|
|
455
|
|
|
456 #ifdef AMIGA
|
|
|
457 /* This program doesn't work when started from the Workbench */
|
|
|
458 if (argc == 0)
|
|
|
459 exit(1);
|
|
|
460 #endif
|
|
|
461
|
|
|
462 pname = argv[0];
|
|
|
463 for (pp = pname; *pp; )
|
|
|
464 if (*pp++ == PATH_SEP)
|
|
|
465 pname = pp;
|
|
|
466 #ifdef FILE_SEP
|
|
|
467 for (pp = pname; *pp; pp++)
|
|
|
468 if (*pp == FILE_SEP)
|
|
|
469 {
|
|
|
470 *pp = '\0';
|
|
|
471 break;
|
|
|
472 }
|
|
|
473 #endif
|
|
|
474
|
|
|
475 while (argc >= 2)
|
|
|
476 {
|
|
|
477 pp = argv[1] + (!STRNCMP(argv[1], "--", 2) && argv[1][2]);
|
|
|
478 if (!STRNCMP(pp, "-a", 2)) autoskip = 1 - autoskip;
|
|
|
479 else if (!STRNCMP(pp, "-b", 2)) hextype = HEX_BITS;
|
|
|
480 else if (!STRNCMP(pp, "-u", 2)) hexx = hexxa + 16;
|
|
|
481 else if (!STRNCMP(pp, "-p", 2)) hextype = HEX_POSTSCRIPT;
|
|
|
482 else if (!STRNCMP(pp, "-i", 2)) hextype = HEX_CINCLUDE;
|
|
|
483 else if (!STRNCMP(pp, "-r", 2)) revert++;
|
|
|
484 else if (!STRNCMP(pp, "-E", 2)) ebcdic++;
|
|
|
485 else if (!STRNCMP(pp, "-v", 2))
|
|
|
486 {
|
|
|
487 fprintf(stderr, "%s%s\n", version, osver);
|
|
|
488 exit(0);
|
|
|
489 }
|
|
|
490 else if (!STRNCMP(pp, "-c", 2))
|
|
|
491 {
|
|
|
492 if (pp[2] && STRNCMP("ols", pp + 2, 3))
|
|
|
493 cols = (int)strtol(pp + 2, NULL, 0);
|
|
|
494 else
|
|
|
495 {
|
|
|
496 if (!argv[2])
|
|
|
497 exit_with_usage(pname);
|
|
|
498 cols = (int)strtol(argv[2], NULL, 0);
|
|
|
499 argv++;
|
|
|
500 argc--;
|
|
|
501 }
|
|
|
502 }
|
|
|
503 else if (!STRNCMP(pp, "-g", 2))
|
|
|
504 {
|
|
|
505 if (pp[2] && STRNCMP("group", pp + 2, 5))
|
|
|
506 octspergrp = (int)strtol(pp + 2, NULL, 0);
|
|
|
507 else
|
|
|
508 {
|
|
|
509 if (!argv[2])
|
|
|
510 exit_with_usage(pname);
|
|
|
511 octspergrp = (int)strtol(argv[2], NULL, 0);
|
|
|
512 argv++;
|
|
|
513 argc--;
|
|
|
514 }
|
|
|
515 }
|
|
|
516 else if (!STRNCMP(pp, "-s", 2))
|
|
|
517 {
|
|
|
518 relseek = 0;
|
|
|
519 negseek = 0;
|
|
|
520 if (pp[2] && STRNCMP("kip", pp+2, 3) && STRNCMP("eek", pp+2, 3))
|
|
|
521 {
|
|
|
522 #ifdef TRY_SEEK
|
|
|
523 if (pp[2] == '+')
|
|
|
524 relseek++;
|
|
|
525 if (pp[2+relseek] == '-')
|
|
|
526 negseek++;
|
|
|
527 #endif
|
|
|
528 seekoff = strtol(pp + 2+relseek+negseek, (char **)NULL, 0);
|
|
|
529 }
|
|
|
530 else
|
|
|
531 {
|
|
|
532 if (!argv[2])
|
|
|
533 exit_with_usage(pname);
|
|
|
534 #ifdef TRY_SEEK
|
|
|
535 if (argv[2][0] == '+')
|
|
|
536 relseek++;
|
|
|
537 if (argv[2][relseek] == '-')
|
|
|
538 negseek++;
|
|
|
539 #endif
|
|
|
540 seekoff = strtol(argv[2] + relseek+negseek, (char **)NULL, 0);
|
|
|
541 argv++;
|
|
|
542 argc--;
|
|
|
543 }
|
|
|
544 }
|
|
|
545 else if (!STRNCMP(pp, "-l", 2))
|
|
|
546 {
|
|
|
547 if (pp[2] && STRNCMP("en", pp + 2, 2))
|
|
|
548 length = strtol(pp + 2, (char **)NULL, 0);
|
|
|
549 else
|
|
|
550 {
|
|
|
551 if (!argv[2])
|
|
|
552 exit_with_usage(pname);
|
|
|
553 length = strtol(argv[2], (char **)NULL, 0);
|
|
|
554 argv++;
|
|
|
555 argc--;
|
|
|
556 }
|
|
|
557 }
|
|
|
558 else if (!strcmp(pp, "--")) /* end of options */
|
|
|
559 {
|
|
|
560 argv++;
|
|
|
561 argc--;
|
|
|
562 break;
|
|
|
563 }
|
|
|
564 else if (pp[0] == '-' && pp[1]) /* unknown option */
|
|
|
565 exit_with_usage(pname);
|
|
|
566 else
|
|
|
567 break; /* not an option */
|
|
|
568
|
|
|
569 argv++; /* advance to next argument */
|
|
|
570 argc--;
|
|
|
571 }
|
|
|
572
|
|
|
573 if (!cols)
|
|
|
574 switch (hextype)
|
|
|
575 {
|
|
|
576 case HEX_POSTSCRIPT: cols = 30; break;
|
|
|
577 case HEX_CINCLUDE: cols = 12; break;
|
|
|
578 case HEX_BITS: cols = 6; break;
|
|
|
579 case HEX_NORMAL:
|
|
|
580 default: cols = 16; break;
|
|
|
581 }
|
|
|
582
|
|
|
583 if (octspergrp < 0)
|
|
|
584 switch (hextype)
|
|
|
585 {
|
|
|
586 case HEX_BITS: octspergrp = 1; break;
|
|
|
587 case HEX_NORMAL: octspergrp = 2; break;
|
|
|
588 case HEX_POSTSCRIPT:
|
|
|
589 case HEX_CINCLUDE:
|
|
|
590 default: octspergrp = 0; break;
|
|
|
591 }
|
|
|
592
|
|
|
593 if (cols < 1 || (!hextype && (cols > COLS)))
|
|
|
594 {
|
|
|
595 fprintf(stderr, "%s: invalid number of columns (max. %d).\n", pname, COLS);
|
|
|
596 exit(1);
|
|
|
597 }
|
|
|
598
|
|
|
599 if (octspergrp < 1)
|
|
|
600 octspergrp = cols;
|
|
|
601
|
|
|
602 if (argc > 3)
|
|
|
603 exit_with_usage(pname);
|
|
|
604
|
|
|
605 if (argc == 1 || (argv[1][0] == '-' && !argv[1][1]))
|
|
|
606 BIN_ASSIGN(fp = stdin, !revert);
|
|
|
607 else
|
|
|
608 {
|
|
|
609 if ((fp = fopen(argv[1], BIN_READ(!revert))) == NULL)
|
|
|
610 {
|
|
|
611 fprintf(stderr,"%s: ", pname);
|
|
|
612 perror(argv[1]);
|
|
|
613 return 2;
|
|
|
614 }
|
|
|
615 }
|
|
|
616
|
|
|
617 if (argc < 3 || (argv[2][0] == '-' && !argv[2][1]))
|
|
|
618 BIN_ASSIGN(fpo = stdout, revert);
|
|
|
619 else
|
|
|
620 {
|
|
|
621 int fd;
|
|
|
622 int mode = revert ? O_WRONLY : (O_TRUNC|O_WRONLY);
|
|
|
623
|
|
|
624 if (((fd = OPEN(argv[2], mode | BIN_CREAT(revert), 0666)) < 0) ||
|
|
|
625 (fpo = fdopen(fd, BIN_WRITE(revert))) == NULL)
|
|
|
626 {
|
|
|
627 fprintf(stderr, "%s: ", pname);
|
|
|
628 perror(argv[2]);
|
|
|
629 return 3;
|
|
|
630 }
|
|
|
631 rewind(fpo);
|
|
|
632 }
|
|
|
633
|
|
|
634 if (revert)
|
|
|
635 {
|
|
|
636 if (hextype && (hextype != HEX_POSTSCRIPT))
|
|
|
637 {
|
|
|
638 fprintf(stderr, "%s: sorry, cannot revert this type of hexdump\n", pname);
|
|
|
639 return -1;
|
|
|
640 }
|
|
|
641 return huntype(fp, fpo, stderr, pname, cols, hextype,
|
|
|
642 negseek ? -seekoff : seekoff);
|
|
|
643 }
|
|
|
644
|
|
|
645 if (seekoff || negseek || !relseek)
|
|
|
646 {
|
|
|
647 #ifdef TRY_SEEK
|
|
|
648 if (relseek)
|
|
|
649 e = fseek(fp, negseek ? -seekoff : seekoff, 1);
|
|
|
650 else
|
|
|
651 e = fseek(fp, negseek ? -seekoff : seekoff, negseek ? 2 : 0);
|
|
|
652 if (e < 0 && negseek)
|
|
|
653 {
|
|
|
654 fprintf(stderr, "%s: sorry cannot seek.\n", pname);
|
|
|
655 return 4;
|
|
|
656 }
|
|
|
657 if (e >= 0)
|
|
|
658 seekoff = ftell(fp);
|
|
|
659 else
|
|
|
660 #endif
|
|
|
661 {
|
|
|
662 long s = seekoff;
|
|
|
663
|
|
|
664 while (s--)
|
|
|
665 (void)getc(fp);
|
|
|
666 }
|
|
|
667 }
|
|
|
668
|
|
|
669 if (hextype == HEX_CINCLUDE)
|
|
|
670 {
|
|
|
671 if (fp != stdin)
|
|
|
672 {
|
|
|
673 fprintf(fpo, "unsigned char %s", isdigit((int)argv[1][0]) ? "__" : "");
|
|
|
674 for (e = 0; (c = argv[1][e]) != 0; e++)
|
|
|
675 putc(isalnum(c) ? c : '_', fpo);
|
|
|
676 fputs("[] = {\n", fpo);
|
|
|
677 }
|
|
|
678
|
|
|
679 p = 0;
|
|
|
680 while ((length < 0 || p < length) && (c = getc(fp)) != EOF)
|
|
|
681 {
|
|
|
682 fprintf(fpo, (hexx == hexxa) ? "%s0x%02x" : "%s0X%02X",
|
|
|
683 (p % cols) ? ", " : ",\n "+2*!p, c);
|
|
|
684 p++;
|
|
|
685 }
|
|
|
686
|
|
|
687 if (p)
|
|
|
688 fputs("\n};\n"+3*(fp == stdin), fpo);
|
|
|
689
|
|
|
690 if (fp != stdin)
|
|
|
691 {
|
|
|
692 fprintf(fpo, "unsigned int %s", isdigit((int)argv[1][0]) ? "__" : "");
|
|
|
693 for (e = 0; (c = argv[1][e]) != 0; e++)
|
|
|
694 putc(isalnum(c) ? c : '_', fpo);
|
|
|
695 fprintf(fpo, "_len = %d;\n", p);
|
|
|
696 }
|
|
|
697
|
|
|
698 fclose(fp);
|
|
|
699 fclose(fpo);
|
|
|
700 return 0;
|
|
|
701 }
|
|
|
702
|
|
|
703 if (hextype == HEX_POSTSCRIPT)
|
|
|
704 {
|
|
|
705 p = cols;
|
|
|
706 while ((length < 0 || n < length) && (e = getc(fp)) != EOF)
|
|
|
707 {
|
|
|
708 putchar(hexx[(e >> 4) & 0xf]);
|
|
|
709 putchar(hexx[(e ) & 0xf]);
|
|
|
710 n++;
|
|
|
711 if (!--p)
|
|
|
712 {
|
|
|
713 putchar('\n');
|
|
|
714 p = cols;
|
|
|
715 }
|
|
|
716 }
|
|
|
717 if (p < cols)
|
|
|
718 putchar('\n');
|
|
|
719 fclose(fp);
|
|
|
720 fclose(fpo);
|
|
|
721 return 0;
|
|
|
722 }
|
|
|
723
|
|
|
724 /* hextype: HEX_NORMAL or HEX_BITS */
|
|
|
725
|
|
|
726 if (hextype == HEX_NORMAL)
|
|
|
727 grplen = octspergrp + octspergrp + 1; /* chars per octet group */
|
|
|
728 else /* hextype == HEX_BITS */
|
|
|
729 grplen = 8 * octspergrp + 1;
|
|
|
730
|
|
|
731 while ((length < 0 || n < length) && (e = getc(fp)) != EOF)
|
|
|
732 {
|
|
|
733 if (p == 0)
|
|
|
734 {
|
|
|
735 sprintf(l, "%07lx: ", n + seekoff);
|
|
|
736 for (c = 9; c < LLEN; l[c++] = ' ');
|
|
|
737 }
|
|
|
738 if (hextype == HEX_NORMAL)
|
|
|
739 {
|
|
|
740 l[c = (9 + (grplen * p) / octspergrp)] = hexx[(e >> 4) & 0xf];
|
|
|
741 l[++c] = hexx[ e & 0xf];
|
|
|
742 }
|
|
|
743 else /* hextype == HEX_BITS */
|
|
|
744 {
|
|
|
745 int i;
|
|
|
746
|
|
|
747 c = (9 + (grplen * p) / octspergrp) - 1;
|
|
|
748 for (i = 7; i >= 0; i--)
|
|
|
749 l[++c] = (e & (1 << i)) ? '1' : '0';
|
|
|
750 }
|
|
|
751 if (ebcdic)
|
|
|
752 e = (e < 64) ? '.' : etoa64[e-64];
|
|
|
753 l[11 + (grplen * cols - 1)/octspergrp + p] =
|
|
|
754 #ifdef __MVS__
|
|
|
755 (e >= 64)
|
|
|
756 #else
|
|
|
757 (e > 31 && e < 127)
|
|
|
758 #endif
|
|
|
759 ? e : '.';
|
|
|
760 if (e)
|
|
|
761 nonzero++;
|
|
|
762 n++;
|
|
|
763 if (++p == cols)
|
|
|
764 {
|
|
|
765 l[c = (11 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
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766 xxdline(fpo, l, autoskip ? nonzero : 1);
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767 nonzero = 0;
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768 p = 0;
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769 }
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770 }
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771 if (p)
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772 {
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|
773 l[c = (11 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
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|
774 xxdline(fpo, l, 1);
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775 }
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776 else if (autoskip)
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777 xxdline(fpo, l, -1); /* last chance to flush out supressed lines */
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778
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779 fclose(fp);
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|
|
780 fclose(fpo);
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781 return 0;
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782 }
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