diff options
Diffstat (limited to 'vendor/github.com/mtrmac/gpgme/data.go')
| -rw-r--r-- | vendor/github.com/mtrmac/gpgme/data.go | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/vendor/github.com/mtrmac/gpgme/data.go b/vendor/github.com/mtrmac/gpgme/data.go index eebc97263..eee32c032 100644 --- a/vendor/github.com/mtrmac/gpgme/data.go +++ b/vendor/github.com/mtrmac/gpgme/data.go @@ -50,25 +50,25 @@ func gogpgme_writefunc(handle, buffer unsafe.Pointer, size C.size_t) C.ssize_t { } //export gogpgme_seekfunc -func gogpgme_seekfunc(handle unsafe.Pointer, offset C.off_t, whence C.int) C.off_t { +func gogpgme_seekfunc(handle unsafe.Pointer, offset C.gpgme_off_t, whence C.int) C.gpgme_off_t { d := callbackLookup(uintptr(handle)).(*Data) n, err := d.s.Seek(int64(offset), int(whence)) if err != nil { C.gpgme_err_set_errno(C.EIO) return -1 } - return C.off_t(n) + return C.gpgme_off_t(n) } // The Data buffer used to communicate with GPGME type Data struct { - dh C.gpgme_data_t + dh C.gpgme_data_t // WARNING: Call runtime.KeepAlive(d) after ANY passing of d.dh to C buf []byte cbs C.struct_gpgme_data_cbs r io.Reader w io.Writer s io.Seeker - cbc uintptr + cbc uintptr // WARNING: Call runtime.KeepAlive(d) after ANY use of d.cbc in C (typically via d.dh) } func newData() *Data { @@ -154,12 +154,14 @@ func (d *Data) Close() error { callbackDelete(d.cbc) } _, err := C.gpgme_data_release(d.dh) + runtime.KeepAlive(d) d.dh = nil return err } func (d *Data) Write(p []byte) (int, error) { n, err := C.gpgme_data_write(d.dh, unsafe.Pointer(&p[0]), C.size_t(len(p))) + runtime.KeepAlive(d) if err != nil { return 0, err } @@ -171,6 +173,7 @@ func (d *Data) Write(p []byte) (int, error) { func (d *Data) Read(p []byte) (int, error) { n, err := C.gpgme_data_read(d.dh, unsafe.Pointer(&p[0]), C.size_t(len(p))) + runtime.KeepAlive(d) if err != nil { return 0, err } @@ -181,11 +184,14 @@ func (d *Data) Read(p []byte) (int, error) { } func (d *Data) Seek(offset int64, whence int) (int64, error) { - n, err := C.gpgme_data_seek(d.dh, C.off_t(offset), C.int(whence)) + n, err := C.gogpgme_data_seek(d.dh, C.gpgme_off_t(offset), C.int(whence)) + runtime.KeepAlive(d) return int64(n), err } // Name returns the associated filename if any func (d *Data) Name() string { - return C.GoString(C.gpgme_data_get_file_name(d.dh)) + res := C.GoString(C.gpgme_data_get_file_name(d.dh)) + runtime.KeepAlive(d) + return res } |