a geicko-2 based round robin ranking system designed to test c++ battleship submissions
battleship.dunkirk.sh
1// Copyright (C) 2019 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
2//
3// Use of this source code is governed by an MIT-style
4// license that can be found in the LICENSE file.
5
6package sqlite3
7
8/*
9
10#ifndef USE_LIBSQLITE3
11#include "sqlite3-binding.h"
12#else
13#include <sqlite3.h>
14#endif
15#include <stdlib.h>
16// These wrappers are necessary because SQLITE_TRANSIENT
17// is a pointer constant, and cgo doesn't translate them correctly.
18
19static inline void my_result_text(sqlite3_context *ctx, char *p, int np) {
20 sqlite3_result_text(ctx, p, np, SQLITE_TRANSIENT);
21}
22
23static inline void my_result_blob(sqlite3_context *ctx, void *p, int np) {
24 sqlite3_result_blob(ctx, p, np, SQLITE_TRANSIENT);
25}
26*/
27import "C"
28
29import (
30 "math"
31 "reflect"
32 "unsafe"
33)
34
35const i64 = unsafe.Sizeof(int(0)) > 4
36
37// SQLiteContext behave sqlite3_context
38type SQLiteContext C.sqlite3_context
39
40// ResultBool sets the result of an SQL function.
41func (c *SQLiteContext) ResultBool(b bool) {
42 if b {
43 c.ResultInt(1)
44 } else {
45 c.ResultInt(0)
46 }
47}
48
49// ResultBlob sets the result of an SQL function.
50// See: sqlite3_result_blob, http://sqlite.org/c3ref/result_blob.html
51func (c *SQLiteContext) ResultBlob(b []byte) {
52 if i64 && len(b) > math.MaxInt32 {
53 C.sqlite3_result_error_toobig((*C.sqlite3_context)(c))
54 return
55 }
56 var p *byte
57 if len(b) > 0 {
58 p = &b[0]
59 }
60 C.my_result_blob((*C.sqlite3_context)(c), unsafe.Pointer(p), C.int(len(b)))
61}
62
63// ResultDouble sets the result of an SQL function.
64// See: sqlite3_result_double, http://sqlite.org/c3ref/result_blob.html
65func (c *SQLiteContext) ResultDouble(d float64) {
66 C.sqlite3_result_double((*C.sqlite3_context)(c), C.double(d))
67}
68
69// ResultInt sets the result of an SQL function.
70// See: sqlite3_result_int, http://sqlite.org/c3ref/result_blob.html
71func (c *SQLiteContext) ResultInt(i int) {
72 if i64 && (i > math.MaxInt32 || i < math.MinInt32) {
73 C.sqlite3_result_int64((*C.sqlite3_context)(c), C.sqlite3_int64(i))
74 } else {
75 C.sqlite3_result_int((*C.sqlite3_context)(c), C.int(i))
76 }
77}
78
79// ResultInt64 sets the result of an SQL function.
80// See: sqlite3_result_int64, http://sqlite.org/c3ref/result_blob.html
81func (c *SQLiteContext) ResultInt64(i int64) {
82 C.sqlite3_result_int64((*C.sqlite3_context)(c), C.sqlite3_int64(i))
83}
84
85// ResultNull sets the result of an SQL function.
86// See: sqlite3_result_null, http://sqlite.org/c3ref/result_blob.html
87func (c *SQLiteContext) ResultNull() {
88 C.sqlite3_result_null((*C.sqlite3_context)(c))
89}
90
91// ResultText sets the result of an SQL function.
92// See: sqlite3_result_text, http://sqlite.org/c3ref/result_blob.html
93func (c *SQLiteContext) ResultText(s string) {
94 h := (*reflect.StringHeader)(unsafe.Pointer(&s))
95 cs, l := (*C.char)(unsafe.Pointer(h.Data)), C.int(h.Len)
96 C.my_result_text((*C.sqlite3_context)(c), cs, l)
97}
98
99// ResultZeroblob sets the result of an SQL function.
100// See: sqlite3_result_zeroblob, http://sqlite.org/c3ref/result_blob.html
101func (c *SQLiteContext) ResultZeroblob(n int) {
102 C.sqlite3_result_zeroblob((*C.sqlite3_context)(c), C.int(n))
103}