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+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.652
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.652
+Problem: Xxd lacks a few features.
+Solution: Use 8 characters for the file position. Add the -e and -o
+ arguments. (Vadim Vygonets)
+Files: src/xxd/xxd.c, runtime/doc/xxd.1
+
+
+*** ../vim-7.4.651/src/xxd/xxd.c 2013-06-21 18:23:53.000000000 +0200
+--- src/xxd/xxd.c 2015-03-05 17:45:36.140691416 +0100
+***************
+*** 51,56 ****
+--- 51,57 ----
+ * 16.05.00 Improved MMS file and merge for VMS by Zoltan Arpadffy
+ * 2011 March Better error handling by Florian Zumbiehl.
+ * 2011 April Formatting by Bram Moolenaar
++ * 08.06.2013 Little-endian hexdump (-e) and offset (-o) by Vadim Vygonets.
+ *
+ * (c) 1990-1998 by Juergen Weigert (jnweiger@informatik.uni-erlangen.de)
+ *
+***************
+*** 216,222 ****
+
+ #define TRY_SEEK /* attempt to use lseek, or skip forward by reading */
+ #define COLS 256 /* change here, if you ever need more columns */
+! #define LLEN (11 + (9*COLS-1)/1 + COLS + 2)
+
+ char hexxa[] = "0123456789abcdef0123456789ABCDEF", *hexx = hexxa;
+
+--- 217,223 ----
+
+ #define TRY_SEEK /* attempt to use lseek, or skip forward by reading */
+ #define COLS 256 /* change here, if you ever need more columns */
+! #define LLEN (12 + (9*COLS-1) + COLS + 2)
+
+ char hexxa[] = "0123456789abcdef0123456789ABCDEF", *hexx = hexxa;
+
+***************
+*** 225,230 ****
+--- 226,232 ----
+ #define HEX_POSTSCRIPT 1
+ #define HEX_CINCLUDE 2
+ #define HEX_BITS 3 /* not hex a dump, but bits: 01111001 */
++ #define HEX_LITTLEENDIAN 4
+
+ static char *pname;
+
+***************
+*** 238,247 ****
+ fprintf(stderr, " -b binary digit dump (incompatible with -ps,-i,-r). Default hex.\n");
+ fprintf(stderr, " -c cols format <cols> octets per line. Default 16 (-i: 12, -ps: 30).\n");
+ fprintf(stderr, " -E show characters in EBCDIC. Default ASCII.\n");
+! fprintf(stderr, " -g number of octets per group in normal output. Default 2.\n");
+ fprintf(stderr, " -h print this summary.\n");
+ fprintf(stderr, " -i output in C include file style.\n");
+ fprintf(stderr, " -l len stop after <len> octets.\n");
+ fprintf(stderr, " -ps output in postscript plain hexdump style.\n");
+ fprintf(stderr, " -r reverse operation: convert (or patch) hexdump into binary.\n");
+ fprintf(stderr, " -r -s off revert with <off> added to file positions found in hexdump.\n");
+--- 240,251 ----
+ fprintf(stderr, " -b binary digit dump (incompatible with -ps,-i,-r). Default hex.\n");
+ fprintf(stderr, " -c cols format <cols> octets per line. Default 16 (-i: 12, -ps: 30).\n");
+ fprintf(stderr, " -E show characters in EBCDIC. Default ASCII.\n");
+! fprintf(stderr, " -e little-endian dump (incompatible with -ps,-i,-r).\n");
+! fprintf(stderr, " -g number of octets per group in normal output. Default 2 (-e: 4).\n");
+ fprintf(stderr, " -h print this summary.\n");
+ fprintf(stderr, " -i output in C include file style.\n");
+ fprintf(stderr, " -l len stop after <len> octets.\n");
++ fprintf(stderr, " -o off add <off> to the displayed file position.\n");
+ fprintf(stderr, " -ps output in postscript plain hexdump style.\n");
+ fprintf(stderr, " -r reverse operation: convert (or patch) hexdump into binary.\n");
+ fprintf(stderr, " -r -s off revert with <off> added to file positions found in hexdump.\n");
+***************
+*** 475,481 ****
+ int ebcdic = 0;
+ int octspergrp = -1; /* number of octets grouped in output */
+ int grplen; /* total chars per octet group */
+! long length = -1, n = 0, seekoff = 0;
+ static char l[LLEN+1]; /* static because it may be too big for stack */
+ char *pp;
+
+--- 479,485 ----
+ int ebcdic = 0;
+ int octspergrp = -1; /* number of octets grouped in output */
+ int grplen; /* total chars per octet group */
+! long length = -1, n = 0, seekoff = 0, displayoff = 0;
+ static char l[LLEN+1]; /* static because it may be too big for stack */
+ char *pp;
+
+***************
+*** 503,508 ****
+--- 507,513 ----
+ pp = argv[1] + (!STRNCMP(argv[1], "--", 2) && argv[1][2]);
+ if (!STRNCMP(pp, "-a", 2)) autoskip = 1 - autoskip;
+ else if (!STRNCMP(pp, "-b", 2)) hextype = HEX_BITS;
++ else if (!STRNCMP(pp, "-e", 2)) hextype = HEX_LITTLEENDIAN;
+ else if (!STRNCMP(pp, "-u", 2)) hexx = hexxa + 16;
+ else if (!STRNCMP(pp, "-p", 2)) hextype = HEX_POSTSCRIPT;
+ else if (!STRNCMP(pp, "-i", 2)) hextype = HEX_CINCLUDE;
+***************
+*** 539,544 ****
+--- 544,562 ----
+ argc--;
+ }
+ }
++ else if (!STRNCMP(pp, "-o", 2))
++ {
++ if (pp[2] && STRNCMP("ffset", pp + 2, 5))
++ displayoff = (int)strtol(pp + 2, NULL, 0);
++ else
++ {
++ if (!argv[2])
++ exit_with_usage();
++ displayoff = (int)strtol(argv[2], NULL, 0);
++ argv++;
++ argc--;
++ }
++ }
+ else if (!STRNCMP(pp, "-s", 2))
+ {
+ relseek = 0;
+***************
+*** 603,608 ****
+--- 621,627 ----
+ case HEX_CINCLUDE: cols = 12; break;
+ case HEX_BITS: cols = 6; break;
+ case HEX_NORMAL:
++ case HEX_LITTLEENDIAN:
+ default: cols = 16; break;
+ }
+
+***************
+*** 611,630 ****
+ {
+ case HEX_BITS: octspergrp = 1; break;
+ case HEX_NORMAL: octspergrp = 2; break;
+ case HEX_POSTSCRIPT:
+ case HEX_CINCLUDE:
+ default: octspergrp = 0; break;
+ }
+
+! if (cols < 1 || ((hextype == HEX_NORMAL || hextype == HEX_BITS)
+ && (cols > COLS)))
+ {
+ fprintf(stderr, "%s: invalid number of columns (max. %d).\n", pname, COLS);
+ exit(1);
+ }
+
+! if (octspergrp < 1)
+ octspergrp = cols;
+
+ if (argc > 3)
+ exit_with_usage();
+--- 630,657 ----
+ {
+ case HEX_BITS: octspergrp = 1; break;
+ case HEX_NORMAL: octspergrp = 2; break;
++ case HEX_LITTLEENDIAN: octspergrp = 4; break;
+ case HEX_POSTSCRIPT:
+ case HEX_CINCLUDE:
+ default: octspergrp = 0; break;
+ }
+
+! if (cols < 1 || ((hextype == HEX_NORMAL || hextype == HEX_BITS || hextype == HEX_LITTLEENDIAN)
+ && (cols > COLS)))
+ {
+ fprintf(stderr, "%s: invalid number of columns (max. %d).\n", pname, COLS);
+ exit(1);
+ }
+
+! if (octspergrp < 1 || octspergrp > cols)
+ octspergrp = cols;
++ else if (hextype == HEX_LITTLEENDIAN && (octspergrp & (octspergrp-1)))
++ {
++ fprintf(stderr,
++ "%s: number of octets per group must be a power of 2 with -e.\n",
++ pname);
++ exit(1);
++ }
+
+ if (argc > 3)
+ exit_with_usage();
+***************
+*** 781,789 ****
+ return 0;
+ }
+
+! /* hextype: HEX_NORMAL or HEX_BITS */
+
+! if (hextype == HEX_NORMAL)
+ grplen = octspergrp + octspergrp + 1; /* chars per octet group */
+ else /* hextype == HEX_BITS */
+ grplen = 8 * octspergrp + 1;
+--- 808,816 ----
+ return 0;
+ }
+
+! /* hextype: HEX_NORMAL or HEX_BITS or HEX_LITTLEENDIAN */
+
+! if (hextype != HEX_BITS)
+ grplen = octspergrp + octspergrp + 1; /* chars per octet group */
+ else /* hextype == HEX_BITS */
+ grplen = 8 * octspergrp + 1;
+***************
+*** 793,818 ****
+ {
+ if (p == 0)
+ {
+! sprintf(l, "%07lx: ", n + seekoff);
+ for (c = 9; c < LLEN; l[c++] = ' ');
+ }
+ if (hextype == HEX_NORMAL)
+ {
+! l[c = (9 + (grplen * p) / octspergrp)] = hexx[(e >> 4) & 0xf];
+! l[++c] = hexx[ e & 0xf];
+ }
+ else /* hextype == HEX_BITS */
+ {
+ int i;
+
+! c = (9 + (grplen * p) / octspergrp) - 1;
+ for (i = 7; i >= 0; i--)
+ l[++c] = (e & (1 << i)) ? '1' : '0';
+ }
+ if (ebcdic)
+ e = (e < 64) ? '.' : etoa64[e-64];
+ /* When changing this update definition of LLEN above. */
+! l[11 + (grplen * cols - 1)/octspergrp + p] =
+ #ifdef __MVS__
+ (e >= 64)
+ #else
+--- 820,852 ----
+ {
+ if (p == 0)
+ {
+! sprintf(l, "%08lx:",
+! ((unsigned long)(n + seekoff + displayoff)) & 0xffffffff);
+ for (c = 9; c < LLEN; l[c++] = ' ');
+ }
+ if (hextype == HEX_NORMAL)
+ {
+! l[c = (10 + (grplen * p) / octspergrp)] = hexx[(e >> 4) & 0xf];
+! l[++c] = hexx[ e & 0xf];
+! }
+! else if (hextype == HEX_LITTLEENDIAN)
+! {
+! int x = p ^ (octspergrp-1);
+! l[c = (10 + (grplen * x) / octspergrp)] = hexx[(e >> 4) & 0xf];
+! l[++c] = hexx[ e & 0xf];
+ }
+ else /* hextype == HEX_BITS */
+ {
+ int i;
+
+! c = (10 + (grplen * p) / octspergrp) - 1;
+ for (i = 7; i >= 0; i--)
+ l[++c] = (e & (1 << i)) ? '1' : '0';
+ }
+ if (ebcdic)
+ e = (e < 64) ? '.' : etoa64[e-64];
+ /* When changing this update definition of LLEN above. */
+! l[12 + (grplen * cols - 1)/octspergrp + p] =
+ #ifdef __MVS__
+ (e >= 64)
+ #else
+***************
+*** 824,830 ****
+ n++;
+ if (++p == cols)
+ {
+! l[c = (11 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
+ xxdline(fpo, l, autoskip ? nonzero : 1);
+ nonzero = 0;
+ p = 0;
+--- 858,864 ----
+ n++;
+ if (++p == cols)
+ {
+! l[c = (12 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
+ xxdline(fpo, l, autoskip ? nonzero : 1);
+ nonzero = 0;
+ p = 0;
+***************
+*** 834,840 ****
+ die(2);
+ if (p)
+ {
+! l[c = (11 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
+ xxdline(fpo, l, 1);
+ }
+ else if (autoskip)
+--- 868,874 ----
+ die(2);
+ if (p)
+ {
+! l[c = (12 + (grplen * cols - 1)/octspergrp + p)] = '\n'; l[++c] = '\0';
+ xxdline(fpo, l, 1);
+ }
+ else if (autoskip)
+*** ../vim-7.4.651/runtime/doc/xxd.1 2010-05-15 13:04:00.000000000 +0200
+--- runtime/doc/xxd.1 2015-03-05 17:45:27.064793726 +0100
+***************
+*** 76,81 ****
+--- 76,91 ----
+ This does not change the hexadecimal representation. The option is
+ meaningless in combinations with \-r, \-p or \-i.
+ .TP
++ .IR \-e
++ Switch to little-endian hexdump.
++ This option treats byte groups as words in little-endian byte order.
++ The default grouping of 4 bytes may be changed using
++ .RI "" \-g .
++ This option only applies to hexdump, leaving the ASCII (or EBCDIC)
++ representation unchanged.
++ The command line switches
++ \-r, \-p, \-i do not work with this mode.
++ .TP
+ .IR "\-g bytes " | " \-groupsize bytes"
+ separate the output of every
+ .RI < bytes >
+***************
+*** 84,90 ****
+ .I \-g 0
+ to suppress grouping.
+ .RI < Bytes "> defaults to " 2
+! in normal mode and \fI1\fP in bits mode.
+ Grouping does not apply to postscript or include style.
+ .TP
+ .IR \-h " | " \-help
+--- 94,100 ----
+ .I \-g 0
+ to suppress grouping.
+ .RI < Bytes "> defaults to " 2
+! in normal mode, \fI4\fP in little-endian mode and \fI1\fP in bits mode.
+ Grouping does not apply to postscript or include style.
+ .TP
+ .IR \-h " | " \-help
+***************
+*** 99,104 ****
+--- 109,119 ----
+ .RI < len >
+ octets.
+ .TP
++ .I \-o offset
++ add
++ .RI < offset >
++ to the displayed file position.
++ .TP
+ .IR \-p " | " \-ps " | " \-postscript " | " \-plain
+ output in postscript continuous hexdump style. Also known as plain hexdump
+ style.
+*** ../vim-7.4.651/src/version.c 2015-03-05 17:16:02.620687666 +0100
+--- src/version.c 2015-03-05 17:41:25.523515077 +0100
+***************
+*** 743,744 ****
+--- 743,746 ----
+ { /* Add new patch number below this line */
++ /**/
++ 652,
+ /**/
+
+--
+FATHER: Make sure the Prince doesn't leave this room until I come and
+ get him.
+FIRST GUARD: Not ... to leave the room ... even if you come and get him.
+FATHER: No. Until I come and get him.
+SECOND GUARD: Hic.
+ "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///