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1 /* |
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2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
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3 * See LICENSE file for license details. |
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4 */ |
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5 |
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6 #include <stdlib.h> |
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7 #include <stdio.h> |
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8 #include <string.h> |
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9 |
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10 #include <util.h> |
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11 |
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12 static char version[] = "gridsel - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
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13 |
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14 static void |
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15 usage() |
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16 { |
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17 fprintf(stderr, "%s\n", "usage: gridsel [-v]\n"); |
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18 exit(1); |
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19 } |
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20 |
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21 int |
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22 main(int argc, char **argv) |
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23 { |
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24 unsigned char *data; |
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25 unsigned long i, offset, len, remain; |
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26 |
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27 /* command line args */ |
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28 if(argc > 1) { |
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29 if(!strncmp(argv[1], "-v", 3)) { |
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30 fprintf(stdout, "%s", version); |
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31 exit(0); |
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32 } else |
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33 usage(); |
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34 } |
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35 len = offset = remain = 0; |
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36 do { |
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37 data = getselection(offset, &len, &remain); |
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38 for(i = 0; i < len; i++) |
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39 putchar(data[i]); |
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40 offset += len; |
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41 free(data); |
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42 } |
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43 while(remain); |
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44 if(offset) |
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45 putchar('\n'); |
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46 return 0; |
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47 } |