mirror of
https://github.com/vbatts/go-mtree.git
synced 2024-11-26 01:55:39 +00:00
23 lines
526 B
Go
23 lines
526 B
Go
|
package cvis
|
||
|
|
|
||
|
|
// #include "vis.h"
|
||
|
|
// #include <stdlib.h>
|
||
|
|
import "C"
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Unvis decodes the Vis() string encoding
|
||
|
|
func Unvis(src string) (string, error) {
|
||
|
|
cDst, cSrc := C.CString(string(make([]byte, len(src)+1))), C.CString(src)
|
||
|
|
defer C.free(unsafe.Pointer(cDst))
|
||
|
|
defer C.free(unsafe.Pointer(cSrc))
|
||
|
|
ret := C.strunvis(cDst, cSrc)
|
||
|
|
// TODO(vbatts) this needs to be confirmed against UnvisError
|
||
|
|
if ret == -1 {
|
||
|
|
return "", fmt.Errorf("failed to decode: %q", src)
|
||
|
|
}
|
||
|
|
return C.GoString(cDst), nil
|
||
|
|
}
|