FreeCalypso > hg > freecalypso-tools
annotate uptools/libcoding/hexdump.c @ 783:c136a1a2474b
simagent: initial implementation of APDU exchange
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 13 Mar 2021 22:06:08 +0000 |
parents | ead4ee22ef62 |
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uptools/libcoding: hex dump function implemented
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1 /* |
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2 * This library module implements a simple hex dump facility. |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 |
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8 msg_bits_hexdump(dumpbuf, dumplen) |
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9 u_char *dumpbuf; |
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10 unsigned dumplen; |
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11 { |
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12 u_char *buf = dumpbuf; |
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13 unsigned lineoff, linelen, i, c; |
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14 |
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15 for (lineoff = 0; lineoff < dumplen; ) { |
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16 linelen = dumplen - lineoff; |
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17 if (linelen > 16) |
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18 linelen = 16; |
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19 printf("%02X: ", lineoff); |
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20 for (i = 0; i < 16; i++) { |
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21 if (i < linelen) |
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22 printf("%02X ", buf[i]); |
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23 else |
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24 fputs(" ", stdout); |
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25 if (i == 7 || i == 15) |
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26 putchar(' '); |
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27 } |
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28 for (i = 0; i < linelen; i++) { |
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29 c = buf[i]; |
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30 if (c < ' ' || c > '~') |
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31 c = '.'; |
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32 putchar(c); |
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33 } |
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34 putchar('\n'); |
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35 buf += linelen; |
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36 lineoff += linelen; |
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37 } |
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38 } |