66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* radare - advanced commandline hexadecimal editor
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* Copyright (C) 2006,2007 pancake <pancake@youterm.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "hexdump.h"
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char getprintablechar(char a)
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{
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if (a>=' '&&a<='~')
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return a;
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return '.';
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}
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int is_printable (int c)
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{
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if (c<' '||c>'~') return 0;
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return 1;
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}
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/*
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* Helper function
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*/
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void dump_bytes(unsigned char *buf, int len)
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{
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int i,j,seek = 0;
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int inc = 16;
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for(i=0; i<len; i+=inc) {
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fprintf(stderr, "0x%08x | ", seek+i);
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for(j=i;j<i+inc;j++) {
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if (j>=len) {
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fprintf(stderr, " ");
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continue;
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}
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fprintf(stderr, "%02x ", buf[j]);
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}
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fprintf(stderr, " ");
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for(j=i; j<i+inc; j++) {
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if (j >= len)
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fprintf(stderr, " ");
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else
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if ( is_printable(buf[j]) )
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fprintf(stderr, "%c", buf[j]);
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else fprintf(stderr, ".");
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}
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fprintf(stderr, "\n");
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}
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fflush(stderr);
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}
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