47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package runtime
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import (
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"unsafe"
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"github.com/goplus/llgo/c"
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)
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func CString(s string) *int8 {
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p := c.Malloc(uintptr(len(s)) + 1)
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return CStrCopy(p, *(*String)(unsafe.Pointer(&s)))
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}
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func CBytes(b []byte) *int8 {
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p := c.Malloc(uintptr(len(b)))
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c.Memcpy(p, unsafe.Pointer(&b[0]), uintptr(len(b)))
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return (*int8)(p)
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}
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func GoString(p *int8) string {
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return GoStringN(p, int(c.Strlen(p)))
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}
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func GoStringN(p *int8, n int) string {
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return string((*[1 << 30]byte)(unsafe.Pointer(p))[:n:n])
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}
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func GoBytes(p *int8, n int) []byte {
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return (*[1 << 30]byte)(unsafe.Pointer(p))[:n:n]
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}
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