FreeCalypso > hg > freecalypso-tools

annotate uptools/libcoding/hexdump.c @ 702:36e6a1ff9608

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
lunadrv: rd and wr commands added
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 07 May 2020 02:40:13 +0000
parents ead4ee22ef62
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
336
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This library module implements a simple hex dump facility.
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <sys/types.h>
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdio.h>
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 msg_bits_hexdump(dumpbuf, dumplen)
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 u_char *dumpbuf;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 unsigned dumplen;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 {
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 u_char *buf = dumpbuf;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 unsigned lineoff, linelen, i, c;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 for (lineoff = 0; lineoff < dumplen; ) {
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 linelen = dumplen - lineoff;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 if (linelen > 16)
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 linelen = 16;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 printf("%02X: ", lineoff);
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 for (i = 0; i < 16; i++) {
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 if (i < linelen)
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 printf("%02X ", buf[i]);
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 else
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 fputs(" ", stdout);
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 if (i == 7 || i == 15)
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 putchar(' ');
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 }
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 for (i = 0; i < linelen; i++) {
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 c = buf[i];
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 if (c < ' ' || c > '~')
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 c = '.';
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 putchar(c);
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 }
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 putchar('\n');
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 buf += linelen;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 lineoff += linelen;
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 }
ead4ee22ef62 uptools/libcoding: hex dump function implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 }