db/text.c

   1 /*
   2  * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #include <xfs/libxfs.h>
  20 #include <ctype.h>
  21 #include "block.h"
  22 #include "bmap.h"
  23 #include "command.h"
  24 #include "type.h"
  25 #include "faddr.h"
  26 #include "fprint.h"
  27 #include "field.h"
  28 #include "inode.h"
  29 #include "io.h"
  30 #include "output.h"
  31 #include "init.h"
  32
  33 static void     print_rawtext(void *data, int len);
  34
  35 void
  36 print_text(
  37         const field_t   *fields,
  38         int             argc,
  39         char            **argv)
  40 {
  41         print_rawtext(iocur_top->data, iocur_top->len);
  42 }
  43
  44 static void
  45 print_rawtext(
  46         void    *data,
  47         int     len)
  48 {
  49         int     i;
  50         int     j;
  51         int     lastaddr;
  52         int     offchars;
  53         unsigned char   *p;
  54
  55         lastaddr = (len - 1) & ~(16 - 1);
  56         if (lastaddr < 0x10)
  57                 offchars = 1;
  58         else if (lastaddr < 0x100)
  59                 offchars = 2;
  60         else if (lastaddr < 0x1000)
  61                 offchars = 3;
  62         else
  63                 offchars = 4;
  64
  65         for (i = 0, p = data; i < len; i += 16) {
  66                 unsigned char *s = p;
  67
  68                 dbprintf("%-0*.*x:  ", offchars, offchars, i);
  69
  70                 for (j = 0; j < 16 && i + j < len; j++, p++) {
  71                         dbprintf("%02x ", *p);
  72                 }
  73
  74                 dbprintf(" ");
  75
  76                 for (j = 0; j < 16 && i + j < len; j++, s++) {
  77                         if (isalnum(*s))
  78                                 dbprintf("%c", *s);
  79                         else
  80                                 dbprintf(".", *s);
  81                 }
  82
  83                 dbprintf("\n");
  84         }
  85 }