85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
// Copyright (C) 2019 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
|
|
//
|
|
// Use of this source code is governed by an MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build !sqlite_omit_load_extension
|
|
|
|
package sqlite3
|
|
|
|
/*
|
|
#ifndef USE_LIBSQLITE3
|
|
#include <sqlite3-binding.h>
|
|
#else
|
|
#include <sqlite3.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
*/
|
|
import "C"
|
|
import (
|
|
"errors"
|
|
"unsafe"
|
|
)
|
|
|
|
func (c *SQLiteConn) loadExtensions(extensions []string) error {
|
|
rv := C.sqlite3_enable_load_extension(c.db, 1)
|
|
if rv != C.SQLITE_OK {
|
|
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
|
|
}
|
|
|
|
for _, extension := range extensions {
|
|
if err := c.loadExtension(extension, nil); err != nil {
|
|
C.sqlite3_enable_load_extension(c.db, 0)
|
|
return err
|
|
}
|
|
}
|
|
|
|
rv = C.sqlite3_enable_load_extension(c.db, 0)
|
|
if rv != C.SQLITE_OK {
|
|
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// LoadExtension load the sqlite3 extension.
|
|
func (c *SQLiteConn) LoadExtension(lib string, entry string) error {
|
|
rv := C.sqlite3_enable_load_extension(c.db, 1)
|
|
if rv != C.SQLITE_OK {
|
|
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
|
|
}
|
|
|
|
if err := c.loadExtension(lib, &entry); err != nil {
|
|
C.sqlite3_enable_load_extension(c.db, 0)
|
|
return err
|
|
}
|
|
|
|
rv = C.sqlite3_enable_load_extension(c.db, 0)
|
|
if rv != C.SQLITE_OK {
|
|
return errors.New(C.GoString(C.sqlite3_errmsg(c.db)))
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *SQLiteConn) loadExtension(lib string, entry *string) error {
|
|
clib := C.CString(lib)
|
|
defer C.free(unsafe.Pointer(clib))
|
|
|
|
var centry *C.char
|
|
if entry != nil {
|
|
centry = C.CString(*entry)
|
|
defer C.free(unsafe.Pointer(centry))
|
|
}
|
|
|
|
var errMsg *C.char
|
|
defer C.sqlite3_free(unsafe.Pointer(errMsg))
|
|
|
|
rv := C.sqlite3_load_extension(c.db, clib, centry, &errMsg)
|
|
if rv != C.SQLITE_OK {
|
|
return errors.New(C.GoString(errMsg))
|
|
}
|
|
|
|
return nil
|
|
}
|