Mercurial > vim
annotate src/xxd/xxd.c @ 29330:948c947cb1ed v9.0.0008
patch 9.0.0008: cannot specify the variable name for "xxd -i"
Commit: https://github.com/vim/vim/commit/83e11800cc3775de3135ac7d823137c8c1e87fa1
Author: David Gow <david@ingeniumdigital.com>
Date: Wed Jun 29 20:24:49 2022 +0100
patch 9.0.0008: cannot specify the variable name for "xxd -i"
Problem: Cannot specify the variable name for "xxd -i".
Solution: Add the "-name" argument. (David Gow, closes https://github.com/vim/vim/issues/10599)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 29 Jun 2022 21:30:03 +0200 |
| parents | 2f854597399f |
| children | d45ee1f829ba |
| rev | line source |
|---|---|
| 7 | 1 /* xxd: my hexdump facility. jw |
| 2 * | |
| 3 * 2.10.90 changed to word output | |
| 4 * 3.03.93 new indent style, dumb bug inserted and fixed. | |
| 5 * -c option, mls | |
| 6 * 26.04.94 better option parser, -ps, -l, -s added. | |
| 7 * 1.07.94 -r badly needs - as input file. Per default autoskip over | |
| 1197 | 8 * consecutive lines of zeroes, as unix od does. |
| 7 | 9 * -a shows them too. |
| 10 * -i dump as c-style #include "file.h" | |
| 11 * 1.11.95 if "xxd -i" knows the filename, an 'unsigned char filename_bits[]' | |
| 12 * array is written in correct c-syntax. | |
| 13 * -s improved, now defaults to absolute seek, relative requires a '+'. | |
| 14 * -r improved, now -r -s -0x... is supported. | |
| 15 * change/suppress leading '\0' bytes. | |
| 16 * -l n improved: stops exactly after n bytes. | |
| 17 * -r improved, better handling of partial lines with trailing garbage. | |
| 18 * -r improved, now -r -p works again! | |
| 19 * -r improved, less flushing, much faster now! (that was silly) | |
| 20 * 3.04.96 Per repeated request of a single person: autoskip defaults to off. | |
| 21 * 15.05.96 -v added. They want to know the version. | |
| 22 * -a fixed, to show last line inf file ends in all zeros. | |
| 23 * -u added: Print upper case hex-letters, as preferred by unix bc. | |
| 24 * -h added to usage message. Usage message extended. | |
| 25 * Now using outfile if specified even in normal mode, aehem. | |
| 26 * No longer mixing of ints and longs. May help doze people. | |
| 27 * Added binify ioctl for same reason. (Enough Doze stress for 1996!) | |
| 28 * 16.05.96 -p improved, removed occasional superfluous linefeed. | |
| 29 * 20.05.96 -l 0 fixed. tried to read anyway. | |
| 30 * 21.05.96 -i fixed. now honours -u, and prepends __ to numeric filenames. | |
| 31 * compile -DWIN32 for NT or W95. George V. Reilly, * -v improved :-) | |
| 32 * support --gnuish-longhorn-options | |
| 33 * 25.05.96 MAC support added: CodeWarrior already uses ``outline'' in Types.h | |
| 34 * which is included by MacHeaders (Axel Kielhorn). Renamed to | |
| 35 * xxdline(). | |
| 36 * 7.06.96 -i printed 'int' instead of 'char'. *blush* | |
| 37 * added Bram's OS2 ifdefs... | |
|
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38 * 18.07.96 gcc -Wall @ SunOS4 is now silent. |
| 7 | 39 * Added osver for MSDOS/DJGPP/WIN32. |
| 40 * 29.08.96 Added size_t to strncmp() for Amiga. | |
| 41 * 24.03.97 Windows NT support (Phil Hanna). Clean exit for Amiga WB (Bram) | |
| 42 * 02.04.97 Added -E option, to have EBCDIC translation instead of ASCII | |
| 216 | 43 * (azc10@yahoo.com) |
| 7 | 44 * 22.05.97 added -g (group octets) option (jcook@namerica.kla.com). |
| 45 * 23.09.98 nasty -p -r misfeature fixed: slightly wrong output, when -c was | |
| 46 * missing or wrong. | |
| 47 * 26.09.98 Fixed: 'xxd -i infile outfile' did not truncate outfile. | |
| 48 * 27.10.98 Fixed: -g option parser required blank. | |
| 49 * option -b added: 01000101 binary output in normal format. | |
| 50 * 16.05.00 Added VAXC changes by Stephen P. Wall | |
| 1197 | 51 * 16.05.00 Improved MMS file and merge for VMS by Zoltan Arpadffy |
| 2752 | 52 * 2011 March Better error handling by Florian Zumbiehl. |
| 53 * 2011 April Formatting by Bram Moolenaar | |
| 6655 | 54 * 08.06.2013 Little-endian hexdump (-e) and offset (-o) by Vadim Vygonets. |
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55 * 11.01.2019 Add full 64/32 bit range to -o and output by Christer Jensen. |
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56 * 04.02.2020 Add -d for decimal offsets by Aapo Rantalainen |
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57 * 14.01.2022 Disable extra newlines with -c0 -p by Erik Auerswald. |
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58 * 20.06.2022 Permit setting the variable names used by -i by David Gow |
| 7 | 59 * |
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60 * (c) 1990-1998 by Juergen Weigert (jnweiger@gmail.com) |
| 7 | 61 * |
| 6973 | 62 * I hereby grant permission to distribute and use xxd |
| 63 * under X11-MIT or GPL-2.0 (at the user's choice). | |
| 64 * | |
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65 * Contributions by Bram Moolenaar et al. |
| 7 | 66 */ |
| 714 | 67 |
| 68 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */ | |
| 69 #if _MSC_VER >= 1400 | |
| 70 # define _CRT_SECURE_NO_DEPRECATE | |
| 71 # define _CRT_NONSTDC_NO_DEPRECATE | |
| 72 #endif | |
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73 #if !defined(CYGWIN) && defined(__CYGWIN__) |
| 1912 | 74 # define CYGWIN |
| 75 #endif | |
| 714 | 76 |
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77 #if (defined(__linux__) && !defined(__ANDROID__)) || defined(__CYGWIN__) |
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78 # define _XOPEN_SOURCE 700 /* for fdopen() */ |
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79 #endif |
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80 |
| 7 | 81 #include <stdio.h> |
| 82 #ifdef VAXC | |
| 83 # include <file.h> | |
| 84 #else | |
| 85 # include <fcntl.h> | |
| 86 #endif | |
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87 #if defined(WIN32) || defined(CYGWIN) |
| 7 | 88 # include <io.h> /* for setmode() */ |
| 89 #else | |
| 90 # ifdef UNIX | |
| 91 # include <unistd.h> | |
| 92 # endif | |
| 93 #endif | |
| 94 #include <stdlib.h> | |
| 95 #include <string.h> /* for strncmp() */ | |
| 96 #include <ctype.h> /* for isalnum() */ | |
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97 #include <limits.h> |
| 7 | 98 #if __MWERKS__ && !defined(BEBOX) |
| 99 # include <unix.h> /* for fdopen() on MAC */ | |
| 100 #endif | |
| 101 | |
| 102 | |
| 103 /* This corrects the problem of missing prototypes for certain functions | |
| 104 * in some GNU installations (e.g. SunOS 4.1.x). | |
| 105 * Darren Hiebert <darren@hmi.com> (sparc-sun-sunos4.1.3_U1/2.7.2.2) | |
| 106 */ | |
| 107 #if defined(__GNUC__) && defined(__STDC__) | |
| 108 # ifndef __USE_FIXED_PROTOTYPES__ | |
| 109 # define __USE_FIXED_PROTOTYPES__ | |
| 110 # endif | |
| 111 #endif | |
| 112 | |
| 113 #ifndef __USE_FIXED_PROTOTYPES__ | |
| 114 /* | |
| 115 * This is historic and works only if the compiler really has no prototypes: | |
| 116 * | |
| 117 * Include prototypes for Sun OS 4.x, when using an ANSI compiler. | |
| 118 * FILE is defined on OS 4.x, not on 5.x (Solaris). | |
| 119 * if __SVR4 is defined (some Solaris versions), don't include this. | |
| 120 */ | |
| 121 #if defined(sun) && defined(FILE) && !defined(__SVR4) && defined(__STDC__) | |
| 122 # define __P(a) a | |
| 123 /* excerpt from my sun_stdlib.h */ | |
| 124 extern int fprintf __P((FILE *, char *, ...)); | |
| 125 extern int fputs __P((char *, FILE *)); | |
| 126 extern int _flsbuf __P((unsigned char, FILE *)); | |
| 127 extern int _filbuf __P((FILE *)); | |
| 128 extern int fflush __P((FILE *)); | |
| 129 extern int fclose __P((FILE *)); | |
| 130 extern int fseek __P((FILE *, long, int)); | |
| 131 extern int rewind __P((FILE *)); | |
| 132 | |
| 133 extern void perror __P((char *)); | |
| 134 # endif | |
| 135 #endif | |
| 136 | |
| 137 extern long int strtol(); | |
| 138 extern long int ftell(); | |
| 139 | |
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140 char version[] = "xxd 2022-01-14 by Juergen Weigert et al."; |
| 7 | 141 #ifdef WIN32 |
| 142 char osver[] = " (Win32)"; | |
| 143 #else | |
| 144 char osver[] = ""; | |
| 145 #endif | |
| 146 | |
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147 #if defined(WIN32) |
| 7 | 148 # define BIN_READ(yes) ((yes) ? "rb" : "rt") |
| 149 # define BIN_WRITE(yes) ((yes) ? "wb" : "wt") | |
| 150 # define BIN_CREAT(yes) ((yes) ? (O_CREAT|O_BINARY) : O_CREAT) | |
| 151 # define BIN_ASSIGN(fp, yes) setmode(fileno(fp), (yes) ? O_BINARY : O_TEXT) | |
| 602 | 152 # define PATH_SEP '\\' |
| 153 #elif defined(CYGWIN) | |
| 154 # define BIN_READ(yes) ((yes) ? "rb" : "rt") | |
| 155 # define BIN_WRITE(yes) ((yes) ? "wb" : "w") | |
| 156 # define BIN_CREAT(yes) ((yes) ? (O_CREAT|O_BINARY) : O_CREAT) | |
| 157 # define BIN_ASSIGN(fp, yes) ((yes) ? (void) setmode(fileno(fp), O_BINARY) : (void) (fp)) | |
| 158 # define PATH_SEP '/' | |
| 7 | 159 #else |
| 160 # ifdef VMS | |
| 161 # define BIN_READ(dummy) "r" | |
| 162 # define BIN_WRITE(dummy) "w" | |
| 163 # define BIN_CREAT(dummy) O_CREAT | |
| 164 # define BIN_ASSIGN(fp, dummy) fp | |
| 165 # define PATH_SEP ']' | |
| 166 # define FILE_SEP '.' | |
| 167 # else | |
| 168 # define BIN_READ(dummy) "r" | |
| 169 # define BIN_WRITE(dummy) "w" | |
| 170 # define BIN_CREAT(dummy) O_CREAT | |
| 171 # define BIN_ASSIGN(fp, dummy) fp | |
| 172 # define PATH_SEP '/' | |
| 173 # endif | |
| 174 #endif | |
| 175 | |
| 176 /* open has only to arguments on the Mac */ | |
| 177 #if __MWERKS__ | |
| 178 # define OPEN(name, mode, umask) open(name, mode) | |
| 179 #else | |
| 180 # define OPEN(name, mode, umask) open(name, mode, umask) | |
| 181 #endif | |
| 182 | |
| 183 #ifdef AMIGA | |
| 184 # define STRNCMP(s1, s2, l) strncmp(s1, s2, (size_t)l) | |
| 185 #else | |
| 186 # define STRNCMP(s1, s2, l) strncmp(s1, s2, l) | |
| 187 #endif | |
| 188 | |
| 189 #ifndef __P | |
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190 # if defined(__STDC__) || defined(WIN32) |
| 7 | 191 # define __P(a) a |
| 192 # else | |
| 193 # define __P(a) () | |
| 194 # endif | |
| 195 #endif | |
| 196 | |
| 197 #define TRY_SEEK /* attempt to use lseek, or skip forward by reading */ | |
| 198 #define COLS 256 /* change here, if you ever need more columns */ | |
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199 #define LLEN ((2*(int)sizeof(unsigned long)) + 4 + (9*COLS-1) + COLS + 2) |
| 7 | 200 |
| 201 char hexxa[] = "0123456789abcdef0123456789ABCDEF", *hexx = hexxa; | |
| 202 | |
| 203 /* the different hextypes known by this program: */ | |
| 204 #define HEX_NORMAL 0 | |
| 205 #define HEX_POSTSCRIPT 1 | |
| 206 #define HEX_CINCLUDE 2 | |
| 207 #define HEX_BITS 3 /* not hex a dump, but bits: 01111001 */ | |
| 6655 | 208 #define HEX_LITTLEENDIAN 4 |
| 7 | 209 |
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210 #define CONDITIONAL_CAPITALIZE(c) (capitalize ? toupper((int)c) : c) |
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211 |
| 2752 | 212 static char *pname; |
| 213 | |
| 214 static void | |
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215 exit_with_usage(void) |
| 7 | 216 { |
| 217 fprintf(stderr, "Usage:\n %s [options] [infile [outfile]]\n", pname); | |
| 218 fprintf(stderr, " or\n %s -r [-s [-]offset] [-c cols] [-ps] [infile [outfile]]\n", pname); | |
| 219 fprintf(stderr, "Options:\n"); | |
| 220 fprintf(stderr, " -a toggle autoskip: A single '*' replaces nul-lines. Default off.\n"); | |
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221 fprintf(stderr, " -b binary digit dump (incompatible with -ps,-i,-r). Default hex.\n"); |
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222 fprintf(stderr, " -C capitalize variable names in C include file style (-i).\n"); |
| 7 | 223 fprintf(stderr, " -c cols format <cols> octets per line. Default 16 (-i: 12, -ps: 30).\n"); |
| 224 fprintf(stderr, " -E show characters in EBCDIC. Default ASCII.\n"); | |
| 6655 | 225 fprintf(stderr, " -e little-endian dump (incompatible with -ps,-i,-r).\n"); |
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226 fprintf(stderr, " -g bytes number of octets per group in normal output. Default 2 (-e: 4).\n"); |
| 7 | 227 fprintf(stderr, " -h print this summary.\n"); |
| 228 fprintf(stderr, " -i output in C include file style.\n"); | |
| 229 fprintf(stderr, " -l len stop after <len> octets.\n"); | |
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230 fprintf(stderr, " -n name set the variable name used in C include output (-i).\n"); |
| 6655 | 231 fprintf(stderr, " -o off add <off> to the displayed file position.\n"); |
| 7 | 232 fprintf(stderr, " -ps output in postscript plain hexdump style.\n"); |
| 233 fprintf(stderr, " -r reverse operation: convert (or patch) hexdump into binary.\n"); | |
| 234 fprintf(stderr, " -r -s off revert with <off> added to file positions found in hexdump.\n"); | |
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235 fprintf(stderr, " -d show offset in decimal instead of hex.\n"); |
| 7 | 236 fprintf(stderr, " -s %sseek start at <seek> bytes abs. %sinfile offset.\n", |
| 237 #ifdef TRY_SEEK | |
| 238 "[+][-]", "(or +: rel.) "); | |
| 239 #else | |
| 240 "", ""); | |
| 241 #endif | |
| 242 fprintf(stderr, " -u use upper case hex letters.\n"); | |
| 243 fprintf(stderr, " -v show version: \"%s%s\".\n", version, osver); | |
| 244 exit(1); | |
| 245 } | |
| 246 | |
| 2752 | 247 static void |
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248 perror_exit(int ret) |
| 2752 | 249 { |
| 250 fprintf(stderr, "%s: ", pname); | |
| 251 perror(NULL); | |
| 252 exit(ret); | |
| 253 } | |
| 254 | |
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255 static void |
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256 error_exit(int ret, char *msg) |
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257 { |
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258 fprintf(stderr, "%s: %s\n", pname, msg); |
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259 exit(ret); |
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260 } |
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261 |
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262 static int |
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263 getc_or_die(FILE *fpi) |
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264 { |
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265 int c = getc(fpi); |
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266 if (c == EOF && ferror(fpi)) |
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267 perror_exit(2); |
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268 return c; |
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269 } |
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270 |
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271 static void |
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272 putc_or_die(int c, FILE *fpo) |
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273 { |
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274 if (putc(c, fpo) == EOF) |
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275 perror_exit(3); |
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276 } |
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277 |
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278 static void |
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279 fputs_or_die(char *s, FILE *fpo) |
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280 { |
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281 if (fputs(s, fpo) == EOF) |
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282 perror_exit(3); |
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283 } |
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284 |
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285 /* Use a macro to allow for different arguments. */ |
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286 #define FPRINTF_OR_DIE(args) if (fprintf args < 0) perror_exit(3) |
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287 |
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288 static void |
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289 fclose_or_die(FILE *fpi, FILE *fpo) |
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290 { |
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291 if (fclose(fpo) != 0) |
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292 perror_exit(3); |
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293 if (fclose(fpi) != 0) |
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294 perror_exit(2); |
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295 } |
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296 |
| 7 | 297 /* |
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298 * If "c" is a hex digit, return the value. |
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299 * Otherwise return -1. |
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300 */ |
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301 static int |
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302 parse_hex_digit(int c) |
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303 { |
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304 return (c >= '0' && c <= '9') ? c - '0' |
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305 : (c >= 'a' && c <= 'f') ? c - 'a' + 10 |
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306 : (c >= 'A' && c <= 'F') ? c - 'A' + 10 |
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307 : -1; |
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308 } |
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309 |
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310 /* |
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311 * Ignore text on "fpi" until end-of-line or end-of-file. |
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312 * Return the '\n' or EOF character. |
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313 * When an error is encountered exit with an error message. |
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314 */ |
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315 static int |
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316 skip_to_eol(FILE *fpi, int c) |
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317 { |
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318 while (c != '\n' && c != EOF) |
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319 c = getc_or_die(fpi); |
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320 return c; |
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321 } |
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322 |
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323 /* |
| 7 | 324 * Max. cols binary characters are decoded from the input stream per line. |
| 325 * Two adjacent garbage characters after evaluated data delimit valid data. | |
| 326 * Everything up to the next newline is discarded. | |
| 327 * | |
| 328 * The name is historic and came from 'undo type opt h'. | |
| 329 */ | |
| 2752 | 330 static int |
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331 huntype( |
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332 FILE *fpi, |
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333 FILE *fpo, |
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334 int cols, |
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335 int hextype, |
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336 long base_off) |
| 7 | 337 { |
| 338 int c, ign_garb = 1, n1 = -1, n2 = 0, n3, p = cols; | |
| 339 long have_off = 0, want_off = 0; | |
| 340 | |
| 341 rewind(fpi); | |
| 342 | |
| 343 while ((c = getc(fpi)) != EOF) | |
| 344 { | |
| 345 if (c == '\r') /* Doze style input file? */ | |
| 346 continue; | |
| 347 | |
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348 /* Allow multiple spaces. This doesn't work when there is normal text |
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349 * after the hex codes in the last line that looks like hex, thus only |
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350 * use it for PostScript format. */ |
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351 if (hextype == HEX_POSTSCRIPT && (c == ' ' || c == '\n' || c == '\t')) |
| 856 | 352 continue; |
| 809 | 353 |
| 7 | 354 n3 = n2; |
| 355 n2 = n1; | |
| 356 | |
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357 n1 = parse_hex_digit(c); |
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358 if (n1 == -1 && ign_garb) |
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359 continue; |
| 7 | 360 |
| 361 ign_garb = 0; | |
| 362 | |
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363 if (!hextype && (p >= cols)) |
| 7 | 364 { |
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365 if (n1 < 0) |
| 7 | 366 { |
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367 p = 0; |
| 7 | 368 continue; |
| 369 } | |
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370 want_off = (want_off << 4) | n1; |
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371 continue; |
| 7 | 372 } |
| 373 | |
| 374 if (base_off + want_off != have_off) | |
| 375 { | |
| 2752 | 376 if (fflush(fpo) != 0) |
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377 perror_exit(3); |
| 7 | 378 #ifdef TRY_SEEK |
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379 if (fseek(fpo, base_off + want_off - have_off, SEEK_CUR) >= 0) |
| 7 | 380 have_off = base_off + want_off; |
| 381 #endif | |
| 382 if (base_off + want_off < have_off) | |
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383 error_exit(5, "Sorry, cannot seek backwards."); |
| 7 | 384 for (; have_off < base_off + want_off; have_off++) |
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385 putc_or_die(0, fpo); |
| 7 | 386 } |
| 387 | |
| 388 if (n2 >= 0 && n1 >= 0) | |
| 389 { | |
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390 putc_or_die((n2 << 4) | n1, fpo); |
| 7 | 391 have_off++; |
| 392 want_off++; | |
| 393 n1 = -1; | |
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394 if (!hextype && (++p >= cols)) |
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395 /* skip the rest of the line as garbage */ |
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396 c = skip_to_eol(fpi, c); |
| 7 | 397 } |
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398 else if (n1 < 0 && n2 < 0 && n3 < 0) |
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399 /* already stumbled into garbage, skip line, wait and see */ |
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400 c = skip_to_eol(fpi, c); |
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401 |
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402 if (c == '\n') |
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403 { |
| 7 | 404 if (!hextype) |
| 405 want_off = 0; | |
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406 p = cols; |
| 7 | 407 ign_garb = 1; |
| 408 } | |
| 409 } | |
| 2752 | 410 if (fflush(fpo) != 0) |
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411 perror_exit(3); |
| 7 | 412 #ifdef TRY_SEEK |
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413 fseek(fpo, 0L, SEEK_END); |
| 7 | 414 #endif |
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415 fclose_or_die(fpi, fpo); |
| 7 | 416 return 0; |
| 417 } | |
| 418 | |
| 419 /* | |
| 420 * Print line l. If nz is false, xxdline regards the line a line of | |
| 421 * zeroes. If there are three or more consecutive lines of zeroes, | |
| 422 * they are replaced by a single '*' character. | |
| 423 * | |
| 424 * If the output ends with more than two lines of zeroes, you | |
| 425 * should call xxdline again with l being the last line and nz | |
| 426 * negative. This ensures that the last line is shown even when | |
| 427 * it is all zeroes. | |
| 428 * | |
| 429 * If nz is always positive, lines are never suppressed. | |
| 430 */ | |
| 2752 | 431 static void |
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432 xxdline(FILE *fp, char *l, int nz) |
| 7 | 433 { |
| 434 static char z[LLEN+1]; | |
| 435 static int zero_seen = 0; | |
| 436 | |
| 437 if (!nz && zero_seen == 1) | |
| 438 strcpy(z, l); | |
| 439 | |
| 440 if (nz || !zero_seen++) | |
| 441 { | |
| 442 if (nz) | |
| 443 { | |
| 444 if (nz < 0) | |
| 445 zero_seen--; | |
| 446 if (zero_seen == 2) | |
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447 fputs_or_die(z, fp); |
| 7 | 448 if (zero_seen > 2) |
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449 fputs_or_die("*\n", fp); |
| 7 | 450 } |
| 451 if (nz >= 0 || zero_seen > 0) | |
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452 fputs_or_die(l, fp); |
| 7 | 453 if (nz) |
| 454 zero_seen = 0; | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 /* This is an EBCDIC to ASCII conversion table */ | |
| 459 /* from a proposed BTL standard April 16, 1979 */ | |
| 460 static unsigned char etoa64[] = | |
| 461 { | |
| 462 0040,0240,0241,0242,0243,0244,0245,0246, | |
| 463 0247,0250,0325,0056,0074,0050,0053,0174, | |
| 464 0046,0251,0252,0253,0254,0255,0256,0257, | |
| 465 0260,0261,0041,0044,0052,0051,0073,0176, | |
| 466 0055,0057,0262,0263,0264,0265,0266,0267, | |
| 467 0270,0271,0313,0054,0045,0137,0076,0077, | |
| 468 0272,0273,0274,0275,0276,0277,0300,0301, | |
| 469 0302,0140,0072,0043,0100,0047,0075,0042, | |
| 470 0303,0141,0142,0143,0144,0145,0146,0147, | |
| 471 0150,0151,0304,0305,0306,0307,0310,0311, | |
| 472 0312,0152,0153,0154,0155,0156,0157,0160, | |
| 473 0161,0162,0136,0314,0315,0316,0317,0320, | |
| 474 0321,0345,0163,0164,0165,0166,0167,0170, | |
| 475 0171,0172,0322,0323,0324,0133,0326,0327, | |
| 476 0330,0331,0332,0333,0334,0335,0336,0337, | |
| 477 0340,0341,0342,0343,0344,0135,0346,0347, | |
| 478 0173,0101,0102,0103,0104,0105,0106,0107, | |
| 479 0110,0111,0350,0351,0352,0353,0354,0355, | |
| 480 0175,0112,0113,0114,0115,0116,0117,0120, | |
| 481 0121,0122,0356,0357,0360,0361,0362,0363, | |
| 482 0134,0237,0123,0124,0125,0126,0127,0130, | |
| 483 0131,0132,0364,0365,0366,0367,0370,0371, | |
| 484 0060,0061,0062,0063,0064,0065,0066,0067, | |
| 485 0070,0071,0372,0373,0374,0375,0376,0377 | |
| 486 }; | |
| 487 | |
| 2752 | 488 int |
|
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|
489 main(int argc, char *argv[]) |
| 7 | 490 { |
| 491 FILE *fp, *fpo; | |
| 492 int c, e, p = 0, relseek = 1, negseek = 0, revert = 0; | |
|
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493 int cols = 0, colsgiven = 0, nonzero = 0, autoskip = 0, hextype = HEX_NORMAL; |
|
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494 int capitalize = 0, decimal_offset = 0; |
| 7 | 495 int ebcdic = 0; |
| 496 int octspergrp = -1; /* number of octets grouped in output */ | |
| 497 int grplen; /* total chars per octet group */ | |
|
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498 long length = -1, n = 0, seekoff = 0; |
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499 unsigned long displayoff = 0; |
| 2770 | 500 static char l[LLEN+1]; /* static because it may be too big for stack */ |
| 2752 | 501 char *pp; |
|
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502 char *varname = NULL; |
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503 int addrlen = 9; |
| 7 | 504 |
| 505 #ifdef AMIGA | |
| 506 /* This program doesn't work when started from the Workbench */ | |
| 507 if (argc == 0) | |
| 508 exit(1); | |
| 509 #endif | |
| 510 | |
| 511 pname = argv[0]; | |
| 512 for (pp = pname; *pp; ) | |
| 513 if (*pp++ == PATH_SEP) | |
| 514 pname = pp; | |
| 515 #ifdef FILE_SEP | |
| 516 for (pp = pname; *pp; pp++) | |
| 517 if (*pp == FILE_SEP) | |
| 518 { | |
| 519 *pp = '\0'; | |
| 520 break; | |
| 521 } | |
| 522 #endif | |
| 523 | |
| 524 while (argc >= 2) | |
| 525 { | |
| 526 pp = argv[1] + (!STRNCMP(argv[1], "--", 2) && argv[1][2]); | |
| 527 if (!STRNCMP(pp, "-a", 2)) autoskip = 1 - autoskip; | |
| 528 else if (!STRNCMP(pp, "-b", 2)) hextype = HEX_BITS; | |
| 6655 | 529 else if (!STRNCMP(pp, "-e", 2)) hextype = HEX_LITTLEENDIAN; |
| 7 | 530 else if (!STRNCMP(pp, "-u", 2)) hexx = hexxa + 16; |
| 531 else if (!STRNCMP(pp, "-p", 2)) hextype = HEX_POSTSCRIPT; | |
| 532 else if (!STRNCMP(pp, "-i", 2)) hextype = HEX_CINCLUDE; | |
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533 else if (!STRNCMP(pp, "-C", 2)) capitalize = 1; |
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534 else if (!STRNCMP(pp, "-d", 2)) decimal_offset = 1; |
| 7 | 535 else if (!STRNCMP(pp, "-r", 2)) revert++; |
| 536 else if (!STRNCMP(pp, "-E", 2)) ebcdic++; | |
| 537 else if (!STRNCMP(pp, "-v", 2)) | |
| 538 { | |
| 539 fprintf(stderr, "%s%s\n", version, osver); | |
| 540 exit(0); | |
| 541 } | |
| 542 else if (!STRNCMP(pp, "-c", 2)) | |
| 543 { | |
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544 if (pp[2] && !STRNCMP("apitalize", pp + 2, 9)) |
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545 capitalize = 1; |
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546 else if (pp[2] && STRNCMP("ols", pp + 2, 3)) |
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547 { |
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548 colsgiven = 1; |
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549 cols = (int)strtol(pp + 2, NULL, 0); |
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550 } |
| 7 | 551 else |
| 552 { | |
| 553 if (!argv[2]) | |
| 2752 | 554 exit_with_usage(); |
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555 colsgiven = 1; |
| 7 | 556 cols = (int)strtol(argv[2], NULL, 0); |
| 557 argv++; | |
| 558 argc--; | |
| 559 } | |
| 560 } | |
| 561 else if (!STRNCMP(pp, "-g", 2)) | |
| 562 { | |
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563 if (pp[2] && STRNCMP("roup", pp + 2, 4)) |
| 7 | 564 octspergrp = (int)strtol(pp + 2, NULL, 0); |
| 565 else | |
| 566 { | |
| 567 if (!argv[2]) | |
| 2752 | 568 exit_with_usage(); |
| 7 | 569 octspergrp = (int)strtol(argv[2], NULL, 0); |
| 570 argv++; | |
| 571 argc--; | |
| 572 } | |
| 573 } | |
| 6655 | 574 else if (!STRNCMP(pp, "-o", 2)) |
| 575 { | |
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576 int reloffset = 0; |
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577 int negoffset = 0; |
| 6655 | 578 if (pp[2] && STRNCMP("ffset", pp + 2, 5)) |
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579 displayoff = strtoul(pp + 2, NULL, 0); |
| 6655 | 580 else |
| 581 { | |
| 582 if (!argv[2]) | |
| 583 exit_with_usage(); | |
|
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584 |
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585 if (argv[2][0] == '+') |
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586 reloffset++; |
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587 if (argv[2][reloffset] == '-') |
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588 negoffset++; |
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589 |
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590 if (negoffset) |
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591 displayoff = ULONG_MAX - strtoul(argv[2] + reloffset+negoffset, NULL, 0) + 1; |
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592 else |
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593 displayoff = strtoul(argv[2] + reloffset+negoffset, NULL, 0); |
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594 |
| 6655 | 595 argv++; |
| 596 argc--; | |
| 597 } | |
| 598 } | |
| 7 | 599 else if (!STRNCMP(pp, "-s", 2)) |
| 600 { | |
| 601 relseek = 0; | |
| 602 negseek = 0; | |
| 603 if (pp[2] && STRNCMP("kip", pp+2, 3) && STRNCMP("eek", pp+2, 3)) | |
| 604 { | |
| 605 #ifdef TRY_SEEK | |
| 606 if (pp[2] == '+') | |
| 607 relseek++; | |
| 608 if (pp[2+relseek] == '-') | |
| 609 negseek++; | |
| 610 #endif | |
| 611 seekoff = strtol(pp + 2+relseek+negseek, (char **)NULL, 0); | |
| 612 } | |
| 613 else | |
| 614 { | |
| 615 if (!argv[2]) | |
| 2752 | 616 exit_with_usage(); |
| 7 | 617 #ifdef TRY_SEEK |
| 618 if (argv[2][0] == '+') | |
| 619 relseek++; | |
| 620 if (argv[2][relseek] == '-') | |
| 621 negseek++; | |
| 622 #endif | |
| 623 seekoff = strtol(argv[2] + relseek+negseek, (char **)NULL, 0); | |
| 624 argv++; | |
| 625 argc--; | |
| 626 } | |
| 627 } | |
| 628 else if (!STRNCMP(pp, "-l", 2)) | |
| 629 { | |
| 630 if (pp[2] && STRNCMP("en", pp + 2, 2)) | |
| 631 length = strtol(pp + 2, (char **)NULL, 0); | |
| 632 else | |
| 633 { | |
| 634 if (!argv[2]) | |
| 2752 | 635 exit_with_usage(); |
| 7 | 636 length = strtol(argv[2], (char **)NULL, 0); |
| 637 argv++; | |
| 638 argc--; | |
| 639 } | |
| 640 } | |
|
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641 else if (!STRNCMP(pp, "-n", 2)) |
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642 { |
|
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643 if (pp[2] && STRNCMP("ame", pp + 2, 3)) |
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644 varname = pp + 2; |
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645 else |
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646 { |
|
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647 if (!argv[2]) |
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648 exit_with_usage(); |
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649 varname = argv[2]; |
|
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650 argv++; |
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651 argc--; |
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652 } |
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|
653 } |
| 7 | 654 else if (!strcmp(pp, "--")) /* end of options */ |
| 655 { | |
| 656 argv++; | |
| 657 argc--; | |
| 658 break; | |
| 659 } | |
| 660 else if (pp[0] == '-' && pp[1]) /* unknown option */ | |
| 2752 | 661 exit_with_usage(); |
| 7 | 662 else |
| 663 break; /* not an option */ | |
| 664 | |
| 665 argv++; /* advance to next argument */ | |
| 666 argc--; | |
| 667 } | |
| 668 | |
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changeset
|
669 if (!colsgiven || (!cols && hextype != HEX_POSTSCRIPT)) |
| 7 | 670 switch (hextype) |
| 671 { | |
| 672 case HEX_POSTSCRIPT: cols = 30; break; | |
| 673 case HEX_CINCLUDE: cols = 12; break; | |
| 674 case HEX_BITS: cols = 6; break; | |
| 675 case HEX_NORMAL: | |
| 6655 | 676 case HEX_LITTLEENDIAN: |
| 7 | 677 default: cols = 16; break; |
| 678 } | |
| 679 | |
| 680 if (octspergrp < 0) | |
| 681 switch (hextype) | |
| 682 { | |
| 683 case HEX_BITS: octspergrp = 1; break; | |
| 684 case HEX_NORMAL: octspergrp = 2; break; | |
| 6655 | 685 case HEX_LITTLEENDIAN: octspergrp = 4; break; |
| 7 | 686 case HEX_POSTSCRIPT: |
| 687 case HEX_CINCLUDE: | |
| 688 default: octspergrp = 0; break; | |
| 689 } | |
| 690 | |
|
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691 if ((hextype == HEX_POSTSCRIPT && cols < 0) || |
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692 (hextype != HEX_POSTSCRIPT && cols < 1) || |
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693 ((hextype == HEX_NORMAL || hextype == HEX_BITS || hextype == HEX_LITTLEENDIAN) |
| 1452 | 694 && (cols > COLS))) |
| 7 | 695 { |
| 696 fprintf(stderr, "%s: invalid number of columns (max. %d).\n", pname, COLS); | |
| 697 exit(1); | |
| 698 } | |
| 699 | |
| 6655 | 700 if (octspergrp < 1 || octspergrp > cols) |
| 7 | 701 octspergrp = cols; |
| 6655 | 702 else if (hextype == HEX_LITTLEENDIAN && (octspergrp & (octspergrp-1))) |
|
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703 error_exit(1, "number of octets per group must be a power of 2 with -e."); |
| 7 | 704 |
| 705 if (argc > 3) | |
| 2752 | 706 exit_with_usage(); |
| 7 | 707 |
| 708 if (argc == 1 || (argv[1][0] == '-' && !argv[1][1])) | |
| 709 BIN_ASSIGN(fp = stdin, !revert); | |
| 710 else | |
| 711 { | |
| 712 if ((fp = fopen(argv[1], BIN_READ(!revert))) == NULL) | |
| 713 { | |
| 714 fprintf(stderr,"%s: ", pname); | |
| 715 perror(argv[1]); | |
| 716 return 2; | |
| 717 } | |
| 718 } | |
| 719 | |
| 720 if (argc < 3 || (argv[2][0] == '-' && !argv[2][1])) | |
| 721 BIN_ASSIGN(fpo = stdout, revert); | |
| 722 else | |
| 723 { | |
| 724 int fd; | |
| 725 int mode = revert ? O_WRONLY : (O_TRUNC|O_WRONLY); | |
| 726 | |
| 727 if (((fd = OPEN(argv[2], mode | BIN_CREAT(revert), 0666)) < 0) || | |
| 728 (fpo = fdopen(fd, BIN_WRITE(revert))) == NULL) | |
| 729 { | |
| 730 fprintf(stderr, "%s: ", pname); | |
| 731 perror(argv[2]); | |
| 732 return 3; | |
| 733 } | |
| 734 rewind(fpo); | |
| 735 } | |
| 736 | |
| 737 if (revert) | |
| 738 { | |
| 739 if (hextype && (hextype != HEX_POSTSCRIPT)) | |
|
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740 error_exit(-1, "Sorry, cannot revert this type of hexdump"); |
|
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changeset
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741 return huntype(fp, fpo, cols, hextype, |
| 7 | 742 negseek ? -seekoff : seekoff); |
| 743 } | |
| 744 | |
| 745 if (seekoff || negseek || !relseek) | |
| 746 { | |
| 747 #ifdef TRY_SEEK | |
| 748 if (relseek) | |
|
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749 e = fseek(fp, negseek ? -seekoff : seekoff, SEEK_CUR); |
| 7 | 750 else |
|
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|
751 e = fseek(fp, negseek ? -seekoff : seekoff, |
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752 negseek ? SEEK_END : SEEK_SET); |
| 7 | 753 if (e < 0 && negseek) |
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754 error_exit(4, "Sorry, cannot seek."); |
| 7 | 755 if (e >= 0) |
| 756 seekoff = ftell(fp); | |
| 757 else | |
| 758 #endif | |
| 759 { | |
| 760 long s = seekoff; | |
| 761 | |
| 762 while (s--) | |
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763 if (getc_or_die(fp) == EOF) |
| 2754 | 764 { |
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765 error_exit(4, "Sorry, cannot seek."); |
| 2754 | 766 } |
| 7 | 767 } |
| 768 } | |
| 769 | |
| 770 if (hextype == HEX_CINCLUDE) | |
| 771 { | |
|
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772 /* A user-set variable name overrides fp == stdin */ |
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773 if (varname == NULL && fp != stdin) |
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774 varname = argv[1]; |
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775 |
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776 if (varname != NULL) |
| 7 | 777 { |
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778 FPRINTF_OR_DIE((fpo, "unsigned char %s", isdigit((int)varname[0]) ? "__" : "")); |
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779 for (e = 0; (c = varname[e]) != 0; e++) |
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780 putc_or_die(isalnum(c) ? CONDITIONAL_CAPITALIZE(c) : '_', fpo); |
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781 fputs_or_die("[] = {\n", fpo); |
| 7 | 782 } |
| 783 | |
| 784 p = 0; | |
| 2752 | 785 c = 0; |
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786 while ((length < 0 || p < length) && (c = getc_or_die(fp)) != EOF) |
| 7 | 787 { |
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788 FPRINTF_OR_DIE((fpo, (hexx == hexxa) ? "%s0x%02x" : "%s0X%02X", |
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789 (p % cols) ? ", " : (!p ? " " : ",\n "), c)); |
| 7 | 790 p++; |
| 791 } | |
| 792 | |
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793 if (p) |
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794 fputs_or_die("\n", fpo); |
| 7 | 795 |
|
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796 if (varname != NULL) |
| 7 | 797 { |
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798 fputs_or_die("};\n", fpo); |
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799 FPRINTF_OR_DIE((fpo, "unsigned int %s", isdigit((int)varname[0]) ? "__" : "")); |
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800 for (e = 0; (c = varname[e]) != 0; e++) |
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801 putc_or_die(isalnum(c) ? CONDITIONAL_CAPITALIZE(c) : '_', fpo); |
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802 FPRINTF_OR_DIE((fpo, "_%s = %d;\n", capitalize ? "LEN" : "len", p)); |
| 7 | 803 } |
| 804 | |
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805 fclose_or_die(fp, fpo); |
| 7 | 806 return 0; |
| 807 } | |
| 808 | |
| 809 if (hextype == HEX_POSTSCRIPT) | |
| 810 { | |
| 811 p = cols; | |
|
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812 while ((length < 0 || n < length) && (e = getc_or_die(fp)) != EOF) |
| 7 | 813 { |
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814 putc_or_die(hexx[(e >> 4) & 0xf], fpo); |
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815 putc_or_die(hexx[e & 0xf], fpo); |
| 7 | 816 n++; |
|
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diff
changeset
|
817 if (cols > 0 && !--p) |
| 7 | 818 { |
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819 putc_or_die('\n', fpo); |
| 7 | 820 p = cols; |
| 821 } | |
| 822 } | |
|
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|
823 if (cols == 0 || p < cols) |
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824 putc_or_die('\n', fpo); |
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|
825 fclose_or_die(fp, fpo); |
| 7 | 826 return 0; |
| 827 } | |
| 828 | |
| 6655 | 829 /* hextype: HEX_NORMAL or HEX_BITS or HEX_LITTLEENDIAN */ |
| 7 | 830 |
| 6655 | 831 if (hextype != HEX_BITS) |
| 7 | 832 grplen = octspergrp + octspergrp + 1; /* chars per octet group */ |
| 833 else /* hextype == HEX_BITS */ | |
| 834 grplen = 8 * octspergrp + 1; | |
| 835 | |
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|
836 while ((length < 0 || n < length) && (e = getc_or_die(fp)) != EOF) |
| 7 | 837 { |
|
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|
838 int x; |
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changeset
|
839 |
| 7 | 840 if (p == 0) |
| 841 { | |
|
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changeset
|
842 addrlen = sprintf(l, decimal_offset ? "%08ld:" : "%08lx:", |
|
20601
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patch 8.2.0854: xxd cannot show offset as a decimal number
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changeset
|
843 ((unsigned long)(n + seekoff + displayoff))); |
|
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e00983850550
patch 8.1.0854: xxd does not work with more than 32 bit addresses
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changeset
|
844 for (c = addrlen; c < LLEN; l[c++] = ' '); |
| 7 | 845 } |
|
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|
846 x = hextype == HEX_LITTLEENDIAN ? p ^ (octspergrp-1) : p; |
|
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diff
changeset
|
847 c = addrlen + 1 + (grplen * x) / octspergrp; |
|
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changeset
|
848 if (hextype == HEX_NORMAL || hextype == HEX_LITTLEENDIAN) |
| 7 | 849 { |
|
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changeset
|
850 l[c] = hexx[(e >> 4) & 0xf]; |
|
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changeset
|
851 l[++c] = hexx[e & 0xf]; |
| 7 | 852 } |
| 853 else /* hextype == HEX_BITS */ | |
| 854 { | |
| 855 int i; | |
| 856 for (i = 7; i >= 0; i--) | |
|
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changeset
|
857 l[c++] = (e & (1 << i)) ? '1' : '0'; |
| 7 | 858 } |
|
13326
7f1a5e8d8289
patch 8.0.1537: xxd does not skip NUL lines when using ebcdic
Christian Brabandt <cb@256bit.org>
parents:
9536
diff
changeset
|
859 if (e) |
|
7f1a5e8d8289
patch 8.0.1537: xxd does not skip NUL lines when using ebcdic
Christian Brabandt <cb@256bit.org>
parents:
9536
diff
changeset
|
860 nonzero++; |
| 7 | 861 if (ebcdic) |
| 862 e = (e < 64) ? '.' : etoa64[e-64]; | |
| 1452 | 863 /* When changing this update definition of LLEN above. */ |
|
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changeset
|
864 c = addrlen + 3 + (grplen * cols - 1)/octspergrp + p; |
|
3a13efec0016
patch 8.2.3658: duplicate code in xxd
Bram Moolenaar <Bram@vim.org>
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changeset
|
865 l[c++] = |
| 7 | 866 #ifdef __MVS__ |
| 867 (e >= 64) | |
| 868 #else | |
| 869 (e > 31 && e < 127) | |
| 870 #endif | |
| 871 ? e : '.'; | |
| 872 n++; | |
| 873 if (++p == cols) | |
| 874 { | |
|
26254
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changeset
|
875 l[c] = '\n'; |
|
3a13efec0016
patch 8.2.3658: duplicate code in xxd
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
876 l[++c] = '\0'; |
| 7 | 877 xxdline(fpo, l, autoskip ? nonzero : 1); |
| 878 nonzero = 0; | |
| 879 p = 0; | |
| 880 } | |
| 881 } | |
| 882 if (p) | |
| 883 { | |
|
26254
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Bram Moolenaar <Bram@vim.org>
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changeset
|
884 l[c] = '\n'; |
|
3a13efec0016
patch 8.2.3658: duplicate code in xxd
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parents:
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diff
changeset
|
885 l[++c] = '\0'; |
| 7 | 886 xxdline(fpo, l, 1); |
| 887 } | |
| 888 else if (autoskip) | |
| 1197 | 889 xxdline(fpo, l, -1); /* last chance to flush out suppressed lines */ |
| 7 | 890 |
|
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diff
changeset
|
891 fclose_or_die(fp, fpo); |
| 7 | 892 return 0; |
| 893 } | |
| 2752 | 894 |
| 895 /* vi:set ts=8 sw=4 sts=2 cino+={2 cino+=n-2 : */ |