FreeCalypso > hg > gsm-net-reveng

annotate utils/gen-hex-lines.c @ 63:4a906c2075bc

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top Makefile: d144 depends on utils
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 25 Sep 2024 18:49:39 +0000
parents ffbbce856ac7
children
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61
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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1 /*
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2 * This program reads an arbitrary binary file and converts it into ASCII hex
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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3 * output with a specified number of bytes per line.
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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4 */
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5
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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6 #include <stdio.h>
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7 #include <stdlib.h>
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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8
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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9 main(argc, argv)
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10 char **argv;
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11 {
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12 FILE *inf, *outf;
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13 int c, lcnt, bpl;
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14
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15 if (argc != 4) {
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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16 fprintf(stderr,
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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17 "usage: %s input.bin output.hex bytes-per-line\n",
ffbbce856ac7 utils/gen-hex-lines: import from vband-misc repository
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18 argv[0]);
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19 exit(1);
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20 }
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21 inf = fopen(argv[1], "r");
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22 if (!inf) {
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23 perror(argv[1]);
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24 exit(1);
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25 }
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26 outf = fopen(argv[2], "w");
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27 if (!outf) {
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28 perror(argv[2]);
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29 exit(1);
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30 }
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31 bpl = atoi(argv[3]);
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32 lcnt = 0;
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33 for (;;) {
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34 c = getc(inf);
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35 if (c < 0)
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36 break;
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37 fprintf(outf, "%02X", c);
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38 lcnt++;
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39 if (lcnt >= bpl) {
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40 putc('\n', outf);
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41 lcnt = 0;
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42 }
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43 }
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44 if (lcnt)
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45 putc('\n', outf);
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46 exit(0);
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47 }