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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <mysql.h>
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4
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5 #include "db.h"
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6
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7 char query[512];
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8
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9
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10 int check_game(char* gamename) {
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11 int rows;
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12
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13 sprintf(query, "select id from simulation where name = '%s' ", gamename);
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14 db_query(query);
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15 result = mysql_store_result(conn);
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16 rows = mysql_num_rows(result);
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17 mysql_free_result(result);
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18 return rows;
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19 }
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20
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21
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22 void inc_time(char* gamename) {
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23 int time = 0;
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24
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25 /* get current time */
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26 sprintf(query, "select time from simulation where name = '%s' ", gamename);
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27 db_query(query);
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28 result = mysql_store_result(conn);
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29 if (mysql_num_rows(result)) {
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30 row = mysql_fetch_row(result);
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31 time = atoi(row[0]);
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32 }
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33 mysql_free_result(result);
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34
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35
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36 /* increment time */
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37 sprintf(query, " update simulation set time = '%d' where name = '%s' ", ++time, gamename);
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38 db_query(query);
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39 if (mysql_affected_rows(conn) > 0) {
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40 printf("time update successful\n");
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41 printf("simulation time: %d\n", time);
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42 } else {
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43 printf("E: time update failed\n");
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44 }
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45
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46 }
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47
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48
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49 int main(int argc, char* argv[]) {
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50 int i;
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51 char* gamename;
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52
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53 /* init */
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54 if (argc != 2) {
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55 printf("usage: %s <game>\n", argv[0]);
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56 exit(1);
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57 }
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58 gamename = argv[1];
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59
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60 printf("gamename: %s\n", gamename);
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61
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62 db_connect();
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63
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64 if (check_game(gamename) != 1) {
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65 printf("game '%s' does not exist\n", gamename);
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66 exit(1);
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67 }
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68
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69 inc_time(gamename);
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70
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71 /*
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72 while ((row = mysql_fetch_row(result)) != NULL) {
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73 for (i = 0; i < mysql_num_fields(result); i++) {
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74 printf("%10s ", row[i]);
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75 }
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76 printf("\n");
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77 }
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78 */
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79
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80
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81
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82
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83 db_close();
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84
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85 printf("the garten program\n");
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86 return 0;
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87 }
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