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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * seq implementation for busybox
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4 | *
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5 | * Copyright (C) 2004, Glenn McGrath
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6 | *
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7 | * Licensed under the GPL v2, see the file LICENSE in this tarball.
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8 | */
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9 |
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10 | #include "libbb.h"
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11 |
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12 | /* This is a NOFORK applet. Be very careful! */
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13 |
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14 |
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15 | int seq_main(int argc, char **argv);
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16 | int seq_main(int argc, char **argv)
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17 | {
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18 | double last, increment, i;
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19 |
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20 | i = increment = 1;
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21 | switch (argc) {
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22 | case 4:
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23 | increment = atof(argv[2]);
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24 | case 3:
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25 | i = atof(argv[1]);
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26 | case 2:
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27 | last = atof(argv[argc-1]);
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28 | break;
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29 | default:
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30 | bb_show_usage();
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31 | }
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32 |
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33 | /* You should note that this is pos-5.0.91 semantics, -- FK. */
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34 | while ((increment > 0 && i <= last) || (increment < 0 && i >= last)) {
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35 | printf("%g\n", i);
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36 | i += increment;
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37 | }
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38 |
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39 | return fflush(stdout);
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40 | }
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