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Commit 4abbd4a4 authored by Preetam Jinka's avatar Preetam Jinka Committed by Andrew Gerrand
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syscall: fix Getfsstat() for BSD 

The buffer length should be the size in bytes
instead of the number of structs.

Fixes #6588.

LGTM=mikioh.mikioh
R=golang-codereviews, mikioh.mikioh, adg
CC=golang-codereviews
https://golang.org/cl/84830043
parent 0b0e8070
Show whitespace changes
Inline Side-by-side
Showing with 94 additions and 157 deletions
src/pkg/syscall/syscall_bsd_test.go 0 → 100644
View file @ 4abbd4a4
// Copyright 2014 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.
// +build darwin dragonfly freebsd openbsd
package syscall_test
import (
"syscall"
"testing"
)
const MNT_WAIT = 1
func TestGetfsstat(t *testing.T) {
n, err := syscall.Getfsstat(nil, MNT_WAIT)
if err != nil {
t.Fatal(err)
}
data := make([]syscall.Statfs_t, n)
n, err = syscall.Getfsstat(data, MNT_WAIT)
if err != nil {
t.Fatal(err)
}
empty := syscall.Statfs_t{}
for _, stat := range data {
if stat == empty {
t.Fatal("an empty Statfs_t struct was returned")
}
}
}
src/pkg/syscall/syscall_darwin.go
View file @ 4abbd4a4
......@@ -187,6 +187,21 @@ func Pipe(p []int) (err error) {
return
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
/*
* Wrapped
*/
......@@ -224,7 +239,6 @@ func Kill(pid int, signum Signal) (err error) { return kill(pid, int(signum), 1)
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)
//sysnb Geteuid() (uid int)
//sys Getfsstat(buf []Statfs_t, flags int) (n int, err error) = SYS_GETFSSTAT64
//sysnb Getgid() (gid int)
//sysnb Getpgid(pid int) (pgid int, err error)
//sysnb Getpgrp() (pgrp int)
......
src/pkg/syscall/syscall_dragonfly.go
View file @ 4abbd4a4
......@@ -101,6 +101,21 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
return extpwrite(fd, p, 0, offset)
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
/*
* Exposed directly
*/
......@@ -129,7 +144,6 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)
//sysnb Geteuid() (uid int)
//sys Getfsstat(buf []Statfs_t, flags int) (n int, err error)
//sysnb Getgid() (gid int)
//sysnb Getpgid(pid int) (pgid int, err error)
//sysnb Getpgrp() (pgrp int)
......
src/pkg/syscall/syscall_freebsd.go
View file @ 4abbd4a4
......@@ -121,6 +121,21 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
return
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
/*
* Exposed directly
*/
......@@ -149,7 +164,6 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)
//sysnb Geteuid() (uid int)
//sys Getfsstat(buf []Statfs_t, flags int) (n int, err error)
//sysnb Getgid() (gid int)
//sysnb Getpgid(pid int) (pgid int, err error)
//sysnb Getpgrp() (pgrp int)
......
src/pkg/syscall/syscall_openbsd.go
View file @ 4abbd4a4
......@@ -100,6 +100,21 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
return -1, ENOSYS
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
/*
* Exposed directly
*/
......@@ -126,7 +141,6 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
//sys Ftruncate(fd int, length int64) (err error)
//sysnb Getegid() (egid int)
//sysnb Geteuid() (uid int)
//sys Getfsstat(buf []Statfs_t, flags int) (n int, err error)
//sysnb Getgid() (gid int)
//sysnb Getpgid(pid int) (pgid int, err error)
//sysnb Getpgrp() (pgrp int)
......
src/pkg/syscall/zsyscall_darwin_386.go
View file @ 4abbd4a4
......@@ -591,23 +591,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_darwin_amd64.go
View file @ 4abbd4a4
......@@ -591,23 +591,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_dragonfly_386.go
View file @ 4abbd4a4
......@@ -585,23 +585,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_dragonfly_amd64.go
View file @ 4abbd4a4
......@@ -585,23 +585,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_freebsd_386.go
View file @ 4abbd4a4
......@@ -551,23 +551,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_freebsd_amd64.go
View file @ 4abbd4a4
......@@ -551,23 +551,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_freebsd_arm.go
View file @ 4abbd4a4
......@@ -551,23 +551,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_openbsd_386.go
View file @ 4abbd4a4
......@@ -541,23 +541,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
src/pkg/syscall/zsyscall_openbsd_amd64.go
View file @ 4abbd4a4
......@@ -541,23 +541,6 @@ func Geteuid() (uid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), uintptr(len(buf)), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
gid = int(r0)
......
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