gml/bytes.go
Roland Singer 8257c2961f GC fixes
2019-01-28 08:58:46 +01:00

74 lines
2.0 KiB
Go

/*
* GML - Go QML
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Roland Singer <roland.singer[at]desertbit.com>
* Copyright (c) 2019 Sebastian Borchers <sebastian[at]desertbit.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package gml
// #include <gml.h>
import "C"
import (
"fmt"
"unsafe"
)
type bytes struct {
ptr C.gml_bytes
}
func newBytes() (b *bytes) {
b = &bytes{
ptr: C.gml_bytes_new(),
}
// This should never happen. Signalizes a fatal error.
if b.ptr == nil {
panic(fmt.Errorf("failed to create gml bytes: C pointer is nil"))
}
return
}
func (b *bytes) Free() {
C.gml_bytes_free(b.ptr)
}
func (b *bytes) Bytes() []byte {
var size C.int
buf := C.gml_bytes_get(b.ptr, &size)
if size <= 0 {
return nil
}
return C.GoBytes(unsafe.Pointer(buf), size)
}
func (b *bytes) String() []byte {
buf := b.Bytes()
// Remove if null-terminated.
if len(buf) > 0 && buf[len(buf)-1] == 0 {
buf = buf[:len(buf)-1]
}
return buf
}