Connect to PSQL database.

exporter.c

@@ -12,5 +12,21 @@ int main(int argc, char **argv) {
     exit(EXIT_FAILURE);
   }
 
+  /* Setup database connection parameters */
+  char connstring[STRLEN];
+  sprintf(connstring, "database = %s, user = %s", argv[1], USER);
+
+  /* Connect to the database */
+  PGconn *conn = PQconnectdb(connstring);
+
+  if (conn == NULL) {
+    fprintf(stderr, "Out of memory connecting the PostgreSQL\n.");
+    exit(EXIT_FAILURE);
+  } else if (PQstatus(conn) != CONNECTION_OK) {
+    fprintf(stderr, PQerrorMessage(conn));
+    PQfinish(conn);
+    exit(EXIT_FAILURE);
+  }
+
   return EXIT_SUCCESS;
 }