/
bndStringPtr.go
71 lines (65 loc) · 1.73 KB
/
bndStringPtr.go
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// Copyright 2014 Rana Ian. All rights reserved.
// Use of this source code is governed by The MIT License
// found in the accompanying LICENSE file.
package ora
/*
#include <oci.h>
#include "version.h"
*/
import "C"
import (
"unsafe"
)
type bndStringPtr struct {
stmt *Stmt
ocibnd *C.OCIBind
isNull C.sb2
value *string
buf []byte
}
func (bnd *bndStringPtr) bind(value *string, position int, stringPtrBufferSize int, stmt *Stmt) error {
bnd.stmt = stmt
bnd.value = value
if cap(bnd.buf) < stringPtrBufferSize {
bnd.buf = make([]byte, stringPtrBufferSize)
}
r := C.OCIBINDBYPOS(
bnd.stmt.ocistmt, //OCIStmt *stmtp,
(**C.OCIBind)(&bnd.ocibnd), //OCIBind **bindpp,
bnd.stmt.ses.srv.env.ocierr, //OCIError *errhp,
C.ub4(position), //ub4 position,
unsafe.Pointer(&bnd.buf[0]), //void *valuep,
C.LENGTH_TYPE(len(bnd.buf)), //sb8 value_sz,
C.SQLT_CHR, //ub2 dty,
unsafe.Pointer(&bnd.isNull), //void *indp,
nil, //ub2 *alenp,
nil, //ub2 *rcodep,
0, //ub4 maxarr_len,
nil, //ub4 *curelep,
C.OCI_DEFAULT) //ub4 mode );
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
return nil
}
func (bnd *bndStringPtr) setPtr() error {
if bnd.isNull > C.sb2(-1) {
// Buffer is padded with Space char (32)
*bnd.value = stringTrimmed(bnd.buf, 32)
}
return nil
}
func (bnd *bndStringPtr) close() (err error) {
defer func() {
if value := recover(); value != nil {
err = errR(value)
}
}()
stmt := bnd.stmt
bnd.stmt = nil
bnd.ocibnd = nil
bnd.value = nil
clear(bnd.buf, 32)
stmt.putBnd(bndIdxStringPtr, bnd)
return nil
}