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annotate clock.c @ 20:17b2bcc42d72 default tip

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added check for empty result; minor stuff
author meillo@marmaro.de
date Sun, 27 Jul 2008 21:34:54 +0200
parents 5937504619f2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include "db.h"
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6 int inc_time() {
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7 /* get current time */
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8 sprintf(query, "select time from game;");
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9 stmt = db_query(query);
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10 if (sqlite3_step(stmt) == SQLITE_ROW) {
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11 gametime = sqlite3_column_int(stmt, 0);
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12 } else {
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13 db_error("get current time");
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14 return 0;
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15 }
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16 sqlite3_finalize(stmt);
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18 /* increment time */
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19 sprintf(query,
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20 "update game "
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21 "set time = '%d';"
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22 , ++gametime
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23 );
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24 if (!db_update(query)) {
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25 db_error("time update");
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26 return 0;
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27 }
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28 return 1;
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29 }
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32 int worldclock(void) {
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33 int ret;
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35 ret = inc_time();
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36 printf("gametime: %d\n", gametime);
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38 return ret;
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39 }