Bugfixes in logfile minmax + tests update

src/ttail_search.c

 	{
 		return 1;
 	}
-	fprintf(stderr, "FORMAT : %s\n", ttail->fmt);
 	ret = strptime(subst, ttail->fmt, tm);
 	return ret?0:1;
 }

src/ttail_search_files.c

 	{
 		return 1;
 	}
-	if(!fseek(fp, 0, SEEK_SET))
+	if(fseek(fp, 0, SEEK_SET) < 0)
 	{
 		perror("Unable to manipulate fp");
 		return -1;
 			break;
 		}
 	}
-	if(!fseek(fp, -1, SEEK_END))
+	if(fseek(fp, -1, SEEK_END) < 0)
 	{
 		perror("Unable to manipulate fp");
 		return -1;
 		{
 			return 1;
 		}
-		if(!fseek(fp, cur-1, SEEK_SET))
+		if(fseek(fp, cur-1, SEEK_SET) < 0)
 		{
 			perror("Unable to manipulate fp");
 			return -1;

tests/ttail_search_check.c

 START_TEST (test_file_minmax1)
 {
 	int r;
-	/*
 	struct tm tm[2];
-	*/
 	printf("%ld\n", ttail->logfile_sz);
-	ttail->flag |= TTAIL_FLAG_FORMAT;
-	ttail_set_fmt(ttail, "%B%n%d %H:%M");
+	ttail->flag |= TTAIL_FLAG_PREFIX;
+	ttail->prefix_sz = 0;
+	ttail_set_fmt(ttail, "%b%n%d %H:%M");
 	r = _ttail_search_closest_files_init(ttail);
 	ck_assert_int_eq(r, 0);
-	/*
 	r = _ttail_file_minmax(ttail, 0, tm);
-	*/
+	ck_assert_int_eq(r, 0);
+	ck_assert_int_eq(tm[0].tm_mon, 2);
+	ck_assert_int_eq(tm[0].tm_mday, 6);
+	ck_assert_int_eq(tm[0].tm_hour, 0);
+	ck_assert_int_eq(tm[0].tm_min, 1);
+	ck_assert_int_eq(tm[1].tm_mon, 2);
+	ck_assert_int_eq(tm[1].tm_mday, 6);
+	ck_assert_int_eq(tm[1].tm_hour, 0);
+	ck_assert_int_eq(tm[1].tm_min, 29);
 }
 END_TEST