gcc/libgo/go/syscall/libcall_bsd.go
Ian Lance Taylor 3b29389671 re PR go/66378 (libgo syscall.Sendfile() does not honor/use offset argument)
PR go/66378
    syscall: Fix initial offset value in syscall.Sendfile.
    
    Bug reported in https://gcc.gnu.org/PR66378.
    
    Reviewed-on: https://go-review.googlesource.com/17159

From-SVN: r230699
2015-11-21 04:43:50 +00:00

29 lines
753 B
Go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// BSD library calls.
package syscall
import "unsafe"
//sys sendfile(outfd int, infd int, offset *Offset_t, count int) (written int, err error)
//sendfile(outfd _C_int, infd _C_int, offset *Offset_t, count Size_t) Ssize_t
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
if raceenabled {
raceReleaseMerge(unsafe.Pointer(&ioSync))
}
var soff Offset_t
var psoff *Offset_t
if offset != nil {
soff = Offset_t(*offset)
psoff = &soff
}
written, err = sendfile(outfd, infd, psoff, count)
if offset != nil {
*offset = int64(soff)
}
return
}