From acd17e9b2b9740ea374ec18bcc7a4cd488eb534c Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Thu, 14 Dec 2017 11:59:33 +0100
Subject: [PATCH] syscall: support Getwd on all BSDs
All supported BSDs provide the SYS___GETCWD syscall which can be used to
implement syscall.Getwd. With this change os.Getwd can use a single
syscall instead of falling back to the current kludge solution on the
BSDs.
This doesn't add any new exported functions to the frozen syscall
package, only ImplementsGetwd changes to true for dragonfly, freebsd,
netbsd and openbsd.
As suggested by Ian, this follows CL 83755 which did the same for
golang.org/x/sys/unix.
Also, an entry for netbsd/arm is added to mkall.sh which was used to
generate the syscall wrappers there.
Change-Id: I84da1ec61a6b8625443699a63cde556b6442ad41
Reviewed-on: https://go-review.googlesource.com/84484
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---
api/except.txt | 16 ++++++++++++++++
src/syscall/mkall.sh | 6 ++++++
src/syscall/syscall_dragonfly.go | 1 +
src/syscall/syscall_freebsd.go | 1 +
src/syscall/syscall_getwd_bsd.go | 22 ++++++++++++++++++++++
src/syscall/syscall_netbsd.go | 1 +
src/syscall/syscall_no_getwd.go | 11 -----------
src/syscall/syscall_openbsd.go | 1 +
src/syscall/syscall_solaris.go | 9 ---------
src/syscall/syscall_unix.go | 10 ++++++++++
src/syscall/types_dragonfly.go | 6 ++++++
src/syscall/types_freebsd.go | 6 ++++++
src/syscall/types_netbsd.go | 6 ++++++
src/syscall/types_openbsd.go | 6 ++++++
src/syscall/zsyscall_dragonfly_amd64.go | 17 +++++++++++++++++
src/syscall/zsyscall_freebsd_386.go | 17 +++++++++++++++++
src/syscall/zsyscall_freebsd_amd64.go | 17 +++++++++++++++++
src/syscall/zsyscall_freebsd_arm.go | 17 +++++++++++++++++
src/syscall/zsyscall_netbsd_386.go | 17 +++++++++++++++++
src/syscall/zsyscall_netbsd_amd64.go | 17 +++++++++++++++++
src/syscall/zsyscall_netbsd_arm.go | 17 +++++++++++++++++
src/syscall/zsyscall_openbsd_386.go | 17 +++++++++++++++++
src/syscall/zsyscall_openbsd_amd64.go | 17 +++++++++++++++++
src/syscall/zsyscall_openbsd_arm.go | 17 +++++++++++++++++
src/syscall/ztypes_dragonfly_amd64.go | 4 ++++
src/syscall/ztypes_freebsd_386.go | 4 ++++
src/syscall/ztypes_freebsd_amd64.go | 4 ++++
src/syscall/ztypes_freebsd_arm.go | 4 ++++
src/syscall/ztypes_netbsd_386.go | 4 ++++
src/syscall/ztypes_netbsd_amd64.go | 4 ++++
src/syscall/ztypes_netbsd_arm.go | 4 ++++
src/syscall/ztypes_openbsd_386.go | 4 ++++
src/syscall/ztypes_openbsd_amd64.go | 4 ++++
src/syscall/ztypes_openbsd_arm.go | 4 ++++
34 files changed, 292 insertions(+), 20 deletions(-)
create mode 100644 src/syscall/syscall_getwd_bsd.go
delete mode 100644 src/syscall/syscall_no_getwd.go
diff --git a/api/except.txt b/api/except.txt
index f8cd0faf646..ea4fa0eb9db 100644
--- a/api/except.txt
+++ b/api/except.txt
@@ -15,25 +15,30 @@ pkg syscall (darwin-amd64-cgo), func Fchflags(string, int) error
pkg syscall (freebsd-386), const AF_MAX = 38
pkg syscall (freebsd-386), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-386), const ELAST = 94
+pkg syscall (freebsd-386), const ImplementsGetwd = false
pkg syscall (freebsd-386), const O_CLOEXEC = 0
pkg syscall (freebsd-386), func Fchflags(string, int) error
pkg syscall (freebsd-386-cgo), const AF_MAX = 38
pkg syscall (freebsd-386-cgo), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-386-cgo), const ELAST = 94
+pkg syscall (freebsd-386-cgo), const ImplementsGetwd = false
pkg syscall (freebsd-386-cgo), const O_CLOEXEC = 0
pkg syscall (freebsd-amd64), const AF_MAX = 38
pkg syscall (freebsd-amd64), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-amd64), const ELAST = 94
+pkg syscall (freebsd-amd64), const ImplementsGetwd = false
pkg syscall (freebsd-amd64), const O_CLOEXEC = 0
pkg syscall (freebsd-amd64), func Fchflags(string, int) error
pkg syscall (freebsd-amd64-cgo), const AF_MAX = 38
pkg syscall (freebsd-amd64-cgo), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-amd64-cgo), const ELAST = 94
+pkg syscall (freebsd-amd64-cgo), const ImplementsGetwd = false
pkg syscall (freebsd-amd64-cgo), const O_CLOEXEC = 0
pkg syscall (freebsd-arm), const AF_MAX = 38
pkg syscall (freebsd-arm), const BIOCGRTIMEOUT = 1074545262
pkg syscall (freebsd-arm), const BIOCSRTIMEOUT = 2148287085
pkg syscall (freebsd-arm), const ELAST = 94
+pkg syscall (freebsd-arm), const ImplementsGetwd = false
pkg syscall (freebsd-arm), const O_CLOEXEC = 0
pkg syscall (freebsd-arm), const SIOCAIFADDR = 2151967019
pkg syscall (freebsd-arm), const SIOCGIFSTATUS = 3274991931
@@ -65,6 +70,7 @@ pkg syscall (freebsd-arm-cgo), const AF_MAX = 38
pkg syscall (freebsd-arm-cgo), const BIOCGRTIMEOUT = 1074545262
pkg syscall (freebsd-arm-cgo), const BIOCSRTIMEOUT = 2148287085
pkg syscall (freebsd-arm-cgo), const ELAST = 94
+pkg syscall (freebsd-arm-cgo), const ImplementsGetwd = false
pkg syscall (freebsd-arm-cgo), const O_CLOEXEC = 0
pkg syscall (freebsd-arm-cgo), const SIOCAIFADDR = 2151967019
pkg syscall (freebsd-arm-cgo), const SIOCGIFSTATUS = 3274991931
@@ -98,6 +104,12 @@ pkg syscall (linux-amd64), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-amd64-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-arm), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-arm-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8
+pkg syscall (netbsd-386), const ImplementsGetwd = false
+pkg syscall (netbsd-386-cgo), const ImplementsGetwd = false
+pkg syscall (netbsd-amd64), const ImplementsGetwd = false
+pkg syscall (netbsd-amd64-cgo), const ImplementsGetwd = false
+pkg syscall (netbsd-arm), const ImplementsGetwd = false
+pkg syscall (netbsd-arm-cgo), const ImplementsGetwd = false
pkg syscall (netbsd-arm), const SizeofIfData = 132
pkg syscall (netbsd-arm), func Fchflags(string, int) error
pkg syscall (netbsd-arm), type IfMsghdr struct, Pad_cgo_1 [4]uint8
@@ -106,6 +118,7 @@ pkg syscall (netbsd-arm-cgo), func Fchflags(string, int) error
pkg syscall (netbsd-arm-cgo), type IfMsghdr struct, Pad_cgo_1 [4]uint8
pkg syscall (openbsd-386), const BIOCGRTIMEOUT = 1074283118
pkg syscall (openbsd-386), const BIOCSRTIMEOUT = 2148024941
+pkg syscall (openbsd-386), const ImplementsGetwd = false
pkg syscall (openbsd-386), const RTF_FMASK = 63496
pkg syscall (openbsd-386), const RTM_VERSION = 4
pkg syscall (openbsd-386), const SIOCBRDGDADDR = 2150132039
@@ -158,6 +171,7 @@ pkg syscall (openbsd-386), type Timespec struct, Sec int32
pkg syscall (openbsd-386), type Timeval struct, Sec int32
pkg syscall (openbsd-386-cgo), const BIOCGRTIMEOUT = 1074283118
pkg syscall (openbsd-386-cgo), const BIOCSRTIMEOUT = 2148024941
+pkg syscall (openbsd-386-cgo), const ImplementsGetwd = false
pkg syscall (openbsd-386-cgo), const RTF_FMASK = 63496
pkg syscall (openbsd-386-cgo), const RTM_VERSION = 4
pkg syscall (openbsd-386-cgo), const SIOCBRDGDADDR = 2150132039
@@ -220,6 +234,7 @@ pkg syscall (openbsd-amd64), const EFER_NXE = 2048
pkg syscall (openbsd-amd64), const EFER_NXE ideal-int
pkg syscall (openbsd-amd64), const EFER_SCE = 1
pkg syscall (openbsd-amd64), const EFER_SCE ideal-int
+pkg syscall (openbsd-amd64), const ImplementsGetwd = false
pkg syscall (openbsd-amd64), const PMC5_PIPELINE_FLUSH = 21
pkg syscall (openbsd-amd64), const PMC5_PIPELINE_FLUSH ideal-int
pkg syscall (openbsd-amd64), const RTF_FMASK = 63496
@@ -282,6 +297,7 @@ pkg syscall (openbsd-amd64-cgo), const EFER_NXE = 2048
pkg syscall (openbsd-amd64-cgo), const EFER_NXE ideal-int
pkg syscall (openbsd-amd64-cgo), const EFER_SCE = 1
pkg syscall (openbsd-amd64-cgo), const EFER_SCE ideal-int
+pkg syscall (openbsd-amd64-cgo), const ImplementsGetwd = false
pkg syscall (openbsd-amd64-cgo), const PMC5_PIPELINE_FLUSH = 21
pkg syscall (openbsd-amd64-cgo), const PMC5_PIPELINE_FLUSH ideal-int
pkg syscall (openbsd-amd64-cgo), const RTF_FMASK = 63496
diff --git a/src/syscall/mkall.sh b/src/syscall/mkall.sh
index 4e68fb26fcb..cd0783e8764 100755
--- a/src/syscall/mkall.sh
+++ b/src/syscall/mkall.sh
@@ -234,6 +234,12 @@ netbsd_amd64)
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
+netbsd_arm)
+ mkerrors="$mkerrors -m32"
+ mksyscall="./mksyscall.pl -l32 -netbsd -arm"
+ mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
+ mktypes="GOARCH=$GOARCH go tool cgo -godefs"
+ ;;
openbsd_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32 -openbsd"
diff --git a/src/syscall/syscall_dragonfly.go b/src/syscall/syscall_dragonfly.go
index fead9d9b482..82741e4969f 100644
--- a/src/syscall/syscall_dragonfly.go
+++ b/src/syscall/syscall_dragonfly.go
@@ -216,6 +216,7 @@ func setattrlistTimes(path string, times []Timespec) error {
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
//sys accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error)
//sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
+//sys getcwd(buf []byte) (n int, err error) = SYS___GETCWD
/*
* Unimplemented
diff --git a/src/syscall/syscall_freebsd.go b/src/syscall/syscall_freebsd.go
index 5fb9655e5a6..c7cd6ae6378 100644
--- a/src/syscall/syscall_freebsd.go
+++ b/src/syscall/syscall_freebsd.go
@@ -220,6 +220,7 @@ func setattrlistTimes(path string, times []Timespec) error {
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
//sys accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error)
//sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
+//sys getcwd(buf []byte) (n int, err error) = SYS___GETCWD
/*
* Unimplemented
diff --git a/src/syscall/syscall_getwd_bsd.go b/src/syscall/syscall_getwd_bsd.go
new file mode 100644
index 00000000000..b14367936ee
--- /dev/null
+++ b/src/syscall/syscall_getwd_bsd.go
@@ -0,0 +1,22 @@
+// Copyright 2018 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 dragonfly freebsd netbsd openbsd
+
+package syscall
+
+const ImplementsGetwd = true
+
+func Getwd() (string, error) {
+ var buf [pathMax]byte
+ _, err := getcwd(buf[:])
+ if err != nil {
+ return "", err
+ }
+ n := clen(buf[:])
+ if n < 1 {
+ return "", EINVAL
+ }
+ return string(buf[:n]), nil
+}
diff --git a/src/syscall/syscall_netbsd.go b/src/syscall/syscall_netbsd.go
index c645b139b1c..d9eddc18cfd 100644
--- a/src/syscall/syscall_netbsd.go
+++ b/src/syscall/syscall_netbsd.go
@@ -207,6 +207,7 @@ func setattrlistTimes(path string, times []Timespec) error {
//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
//sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
+//sys getcwd(buf []byte) (n int, err error) = SYS___GETCWD
/*
* Unimplemented
diff --git a/src/syscall/syscall_no_getwd.go b/src/syscall/syscall_no_getwd.go
deleted file mode 100644
index 0080c5ca0f0..00000000000
--- a/src/syscall/syscall_no_getwd.go
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2013 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 dragonfly freebsd netbsd openbsd
-
-package syscall
-
-const ImplementsGetwd = false
-
-func Getwd() (string, error) { return "", ENOTSUP }
diff --git a/src/syscall/syscall_openbsd.go b/src/syscall/syscall_openbsd.go
index a43d88bf7a8..ac874417236 100644
--- a/src/syscall/syscall_openbsd.go
+++ b/src/syscall/syscall_openbsd.go
@@ -188,6 +188,7 @@ func setattrlistTimes(path string, times []Timespec) error {
//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
//sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
+//sys getcwd(buf []byte) (n int, err error) = SYS___GETCWD
/*
* Unimplemented
diff --git a/src/syscall/syscall_solaris.go b/src/syscall/syscall_solaris.go
index 73ac12759cd..425f5122de1 100644
--- a/src/syscall/syscall_solaris.go
+++ b/src/syscall/syscall_solaris.go
@@ -29,15 +29,6 @@ type SockaddrDatalink struct {
raw RawSockaddrDatalink
}
-func clen(n []byte) int {
- for i := 0; i < len(n); i++ {
- if n[i] == 0 {
- return i
- }
- }
- return len(n)
-}
-
func direntIno(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
}
diff --git a/src/syscall/syscall_unix.go b/src/syscall/syscall_unix.go
index 442f558ffa5..a6347482734 100644
--- a/src/syscall/syscall_unix.go
+++ b/src/syscall/syscall_unix.go
@@ -31,6 +31,16 @@ func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+// clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
+func clen(n []byte) int {
+ for i := 0; i < len(n); i++ {
+ if n[i] == 0 {
+ return i
+ }
+ }
+ return len(n)
+}
+
// Mmap manager, for use by operating system-specific implementations.
type mmapper struct {
diff --git a/src/syscall/types_dragonfly.go b/src/syscall/types_dragonfly.go
index 5728d6762ff..0c060d932ec 100644
--- a/src/syscall/types_dragonfly.go
+++ b/src/syscall/types_dragonfly.go
@@ -125,6 +125,12 @@ type Dirent C.struct_dirent
type Fsid C.struct_fsid
+// File system limits
+
+const (
+ pathMax = C.PATH_MAX
+)
+
// Sockets
type RawSockaddrInet4 C.struct_sockaddr_in
diff --git a/src/syscall/types_freebsd.go b/src/syscall/types_freebsd.go
index 6f8670a4299..020045bf84b 100644
--- a/src/syscall/types_freebsd.go
+++ b/src/syscall/types_freebsd.go
@@ -210,6 +210,12 @@ type Dirent C.struct_dirent
type Fsid C.struct_fsid
+// File system limits
+
+const (
+ pathMax = C.PATH_MAX
+)
+
// Sockets
type RawSockaddrInet4 C.struct_sockaddr_in
diff --git a/src/syscall/types_netbsd.go b/src/syscall/types_netbsd.go
index 37c5fa98341..c3497564d9d 100644
--- a/src/syscall/types_netbsd.go
+++ b/src/syscall/types_netbsd.go
@@ -110,6 +110,12 @@ type Dirent C.struct_dirent
type Fsid C.fsid_t
+// File system limits
+
+const (
+ pathMax = C.PATH_MAX
+)
+
// Sockets
type RawSockaddrInet4 C.struct_sockaddr_in
diff --git a/src/syscall/types_openbsd.go b/src/syscall/types_openbsd.go
index 29d6feb0064..93456c31a0c 100644
--- a/src/syscall/types_openbsd.go
+++ b/src/syscall/types_openbsd.go
@@ -126,6 +126,12 @@ type Dirent C.struct_dirent
type Fsid C.fsid_t
+// File system limits
+
+const (
+ pathMax = C.PATH_MAX
+)
+
// Sockets
type RawSockaddrInet4 C.struct_sockaddr_in
diff --git a/src/syscall/zsyscall_dragonfly_amd64.go b/src/syscall/zsyscall_dragonfly_amd64.go
index 5eca951d045..6154acfa422 100644
--- a/src/syscall/zsyscall_dragonfly_amd64.go
+++ b/src/syscall/zsyscall_dragonfly_amd64.go
@@ -1306,3 +1306,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_freebsd_386.go b/src/syscall/zsyscall_freebsd_386.go
index 4ada995e540..81bc754d513 100644
--- a/src/syscall/zsyscall_freebsd_386.go
+++ b/src/syscall/zsyscall_freebsd_386.go
@@ -1304,3 +1304,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_freebsd_amd64.go b/src/syscall/zsyscall_freebsd_amd64.go
index 5bbc5c4f34c..1061bb4e016 100644
--- a/src/syscall/zsyscall_freebsd_amd64.go
+++ b/src/syscall/zsyscall_freebsd_amd64.go
@@ -1304,3 +1304,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_freebsd_arm.go b/src/syscall/zsyscall_freebsd_arm.go
index 011ac0e25a2..1cec7f89f6b 100644
--- a/src/syscall/zsyscall_freebsd_arm.go
+++ b/src/syscall/zsyscall_freebsd_arm.go
@@ -1304,3 +1304,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_netbsd_386.go b/src/syscall/zsyscall_netbsd_386.go
index b6313d5e97c..91024659481 100644
--- a/src/syscall/zsyscall_netbsd_386.go
+++ b/src/syscall/zsyscall_netbsd_386.go
@@ -1232,3 +1232,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_netbsd_amd64.go b/src/syscall/zsyscall_netbsd_amd64.go
index 3455828e464..f4a46c19a2e 100644
--- a/src/syscall/zsyscall_netbsd_amd64.go
+++ b/src/syscall/zsyscall_netbsd_amd64.go
@@ -1232,3 +1232,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_netbsd_arm.go b/src/syscall/zsyscall_netbsd_arm.go
index 438cfdb6199..b07e7775c13 100644
--- a/src/syscall/zsyscall_netbsd_arm.go
+++ b/src/syscall/zsyscall_netbsd_arm.go
@@ -1232,3 +1232,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_openbsd_386.go b/src/syscall/zsyscall_openbsd_386.go
index af97f3a5617..3a46b94fa2f 100644
--- a/src/syscall/zsyscall_openbsd_386.go
+++ b/src/syscall/zsyscall_openbsd_386.go
@@ -1270,3 +1270,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_openbsd_amd64.go b/src/syscall/zsyscall_openbsd_amd64.go
index 728ad6be980..6bca25140b7 100644
--- a/src/syscall/zsyscall_openbsd_amd64.go
+++ b/src/syscall/zsyscall_openbsd_amd64.go
@@ -1270,3 +1270,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/zsyscall_openbsd_arm.go b/src/syscall/zsyscall_openbsd_arm.go
index 9998a83d124..4ce317c1b00 100644
--- a/src/syscall/zsyscall_openbsd_arm.go
+++ b/src/syscall/zsyscall_openbsd_arm.go
@@ -1270,3 +1270,20 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
}
return
}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getcwd(buf []byte) (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___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+ n = int(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
diff --git a/src/syscall/ztypes_dragonfly_amd64.go b/src/syscall/ztypes_dragonfly_amd64.go
index dbbd29a63a4..1cb86082285 100644
--- a/src/syscall/ztypes_dragonfly_amd64.go
+++ b/src/syscall/ztypes_dragonfly_amd64.go
@@ -143,6 +143,10 @@ type Fsid struct {
Val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_freebsd_386.go b/src/syscall/ztypes_freebsd_386.go
index c23bacfe327..c9c58f9fe7a 100644
--- a/src/syscall/ztypes_freebsd_386.go
+++ b/src/syscall/ztypes_freebsd_386.go
@@ -140,6 +140,10 @@ type Fsid struct {
Val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_freebsd_amd64.go b/src/syscall/ztypes_freebsd_amd64.go
index 1e5822f66ab..847527cdda2 100644
--- a/src/syscall/ztypes_freebsd_amd64.go
+++ b/src/syscall/ztypes_freebsd_amd64.go
@@ -140,6 +140,10 @@ type Fsid struct {
Val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_freebsd_arm.go b/src/syscall/ztypes_freebsd_arm.go
index f65a92916ca..83108dd1c43 100644
--- a/src/syscall/ztypes_freebsd_arm.go
+++ b/src/syscall/ztypes_freebsd_arm.go
@@ -142,6 +142,10 @@ type Fsid struct {
Val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_netbsd_386.go b/src/syscall/ztypes_netbsd_386.go
index c8afb98ea17..009c55d1f2a 100644
--- a/src/syscall/ztypes_netbsd_386.go
+++ b/src/syscall/ztypes_netbsd_386.go
@@ -99,6 +99,10 @@ type Fsid struct {
X__fsid_val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_netbsd_amd64.go b/src/syscall/ztypes_netbsd_amd64.go
index 9336fc107a7..f807d984ec8 100644
--- a/src/syscall/ztypes_netbsd_amd64.go
+++ b/src/syscall/ztypes_netbsd_amd64.go
@@ -103,6 +103,10 @@ type Fsid struct {
X__fsid_val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_netbsd_arm.go b/src/syscall/ztypes_netbsd_arm.go
index 0e4fe4a8122..119903f817c 100644
--- a/src/syscall/ztypes_netbsd_arm.go
+++ b/src/syscall/ztypes_netbsd_arm.go
@@ -104,6 +104,10 @@ type Fsid struct {
X__fsid_val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_openbsd_386.go b/src/syscall/ztypes_openbsd_386.go
index 05e79d85a4b..04d53966f46 100644
--- a/src/syscall/ztypes_openbsd_386.go
+++ b/src/syscall/ztypes_openbsd_386.go
@@ -140,6 +140,10 @@ type Fsid struct {
Val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_openbsd_amd64.go b/src/syscall/ztypes_openbsd_amd64.go
index 8bd169c5104..aad787a3e49 100644
--- a/src/syscall/ztypes_openbsd_amd64.go
+++ b/src/syscall/ztypes_openbsd_amd64.go
@@ -142,6 +142,10 @@ type Fsid struct {
Val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
diff --git a/src/syscall/ztypes_openbsd_arm.go b/src/syscall/ztypes_openbsd_arm.go
index 0c30259f493..4383b68eae2 100644
--- a/src/syscall/ztypes_openbsd_arm.go
+++ b/src/syscall/ztypes_openbsd_arm.go
@@ -140,6 +140,10 @@ type Fsid struct {
Val [2]int32
}
+const (
+ pathMax = 0x400
+)
+
type RawSockaddrInet4 struct {
Len uint8
Family uint8
--
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