adding old command-line-tool
[labortage2013badge.git] / hostware / commandline / hexdump.c
1 /* hexdump.c */
2 /*
3     This file is part of the ARM-Crypto-Lib.
4     Copyright (C) 2006-2011 Daniel Otte (daniel.otte@rub.de)
5
6     This program is free software: you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by
8     the Free Software Foundation, either version 3 of the License, or
9     (at your option) any later version.
10
11     This program is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14     GNU General Public License for more details.
15
16     You should have received a copy of the GNU General Public License
17     along with this program.  If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include <stdio.h>
21 #include <string.h>
22 #include <ctype.h>
23 #include <stdint.h>
24
25 static
26 void int_hexdump_line_buffer(FILE* stream, uint8_t* buffer, unsigned width, unsigned fill){
27         unsigned i;
28         for(i=0; i<width; ++i){
29                 if(i<fill){
30                         fprintf(stream, "%2.2x ", buffer[i]);
31                 }else{
32                         fputs("   ", stream);
33                 }
34         }
35         fputs("    |", stream);
36         for(i=0; i<width; ++i){
37                 if(i<fill){
38                         if(isgraph(buffer[i])){
39                                 fputc(buffer[i], stream);
40                         }else
41                                 fputc('.', stream);
42                 }else{
43                         fputs(" ", stream);
44                 }
45         }
46         fputc('|', stream);
47
48 }
49
50
51 void hexdump_block(FILE* stream, void* block, void* print_addr, unsigned length, unsigned width){
52         uint8_t buffer[width];
53         unsigned index=0;
54         while(length>width){
55                 memcpy(buffer, block, width);
56                 if(print_addr){
57                         fprintf(stream, "%8.8x ", (uint32_t)print_addr);
58                         print_addr = (uint8_t*)print_addr + width;
59                 }
60                 fprintf(stream, "<%4.4x>: ", index);
61                 int_hexdump_line_buffer(stream, buffer, width, width);
62                 fputc('\n', stream);
63                 block = (uint8_t*)block + width;
64                 length -= width;
65                 index += width;
66         }
67         memcpy(buffer, block, length);
68         if(print_addr){
69                 fprintf(stream, "%8.8x ", (uint32_t)print_addr);
70         }
71         fprintf(stream, "<%4.4x>: ", index);
72         int_hexdump_line_buffer(stream, buffer, width, length);
73         fputc('\n', stream);
74 }