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Richards@61
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1 /*
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2 * Copyright (C) 2010 Gregor Richards
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3 *
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4 * Permission is hereby granted, free of charge, to any person obtaining a copy
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5 * of this software and associated documentation files (the "Software"), to deal
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6 * in the Software without restriction, including without limitation the rights
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7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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8 * copies of the Software, and to permit persons to whom the Software is
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9 * furnished to do so, subject to the following conditions:
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10 *
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11 * The above copyright notice and this permission notice shall be included in
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12 * all copies or substantial portions of the Software.
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13 *
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14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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20 * THE SOFTWARE.
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21 */
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22
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23 #include <stdio.h>
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24 #include <stdlib.h>
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25 #include <string.h>
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26
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27 int main(int argc, char **argv)
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28 {
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29 char buf[1024], *v;
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30 int red;
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31
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32 if (argc != 2) {
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33 fprintf(stderr, "Use: chgvel <1/reduction>\n");
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34 return 1;
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35 }
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36 red = atoi(argv[1]);
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37
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38 while (fgets(buf, 1024, stdin)) {
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39 if (strstr(buf, " On ") != NULL || strstr(buf, " Off ") != NULL) {
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40 if ((v = strstr(buf, "v=")) != NULL) {
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41 sprintf(v + 2, "%d\n", atoi(v + 2) * (red - 1) / red + (128/red));
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42 }
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43 }
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44 printf("%s", buf);
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45 }
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46 return 0;
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47 }
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