From: Tobias Klauser Date: Wed, 13 Jun 2018 13:54:42 +0000 (+0200) Subject: syscall: check Fchmodat flags parameter on Linux X-Git-Tag: go1.11beta1~112 X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=fb4fb0430b8d77b5487f51fd780bba25476e816c;p=gostls13.git syscall: check Fchmodat flags parameter on Linux As mentioned in #25845, port CL 46474 from golang.org/x/sys/unix to the syscall package. Currently Linux' fchmodat(2) syscall implementation doesn't support the flags parameter (though it might in future versions [1]). Fchmodat in the syscall package takes the parameter and (wrongly) passes it on to the syscall which will ignore it. According to the POSIX.1-2008 manual page [2], AT_SYMLINK_NOFOLLOW is the only valid value for the flags parameter and EOPNOTSUPP should be returned in case changing the mode of a symbolic link is not supported by the underlying system. EINVAL should be returned for any other value of the flags parameter. [1] https://patchwork.kernel.org/patch/9596301/ [2] http://pubs.opengroup.org/onlinepubs/9699919799/functions/chmod.html Updates #20130 Updates #25845 Change-Id: I1021dd0e6a4f4cb3557cb1c1b34dd618c378cda6 Reviewed-on: https://go-review.googlesource.com/118658 Reviewed-by: Ian Lance Taylor --- diff --git a/src/syscall/syscall_linux.go b/src/syscall/syscall_linux.go index 58216f1957..8d0532e216 100644 --- a/src/syscall/syscall_linux.go +++ b/src/syscall/syscall_linux.go @@ -35,6 +35,20 @@ func Creat(path string, mode uint32) (fd int, err error) { return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode) } +//sys fchmodat(dirfd int, path string, mode uint32) (err error) + +func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { + // Linux fchmodat doesn't support the flags parameter. Mimick glibc's behavior + // and check the flags. Otherwise the mode would be applied to the symlink + // destination which is not what the user expects. + if flags&^_AT_SYMLINK_NOFOLLOW != 0 { + return EINVAL + } else if flags&_AT_SYMLINK_NOFOLLOW != 0 { + return EOPNOTSUPP + } + return fchmodat(dirfd, path, mode) +} + //sys linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) func Link(oldpath string, newpath string) (err error) { @@ -830,7 +844,6 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri //sys Fallocate(fd int, mode uint32, off int64, len int64) (err error) //sys Fchdir(fd int) (err error) //sys Fchmod(fd int, mode uint32) (err error) -//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) //sys fcntl(fd int, cmd int, arg int) (val int, err error) //sys Fdatasync(fd int) (err error) diff --git a/src/syscall/syscall_linux_test.go b/src/syscall/syscall_linux_test.go index 932ccee491..4490fc24ca 100644 --- a/src/syscall/syscall_linux_test.go +++ b/src/syscall/syscall_linux_test.go @@ -21,6 +21,69 @@ import ( "time" ) +// chtmpdir changes the working directory to a new temporary directory and +// provides a cleanup function. Used when PWD is read-only. +func chtmpdir(t *testing.T) func() { + oldwd, err := os.Getwd() + if err != nil { + t.Fatalf("chtmpdir: %v", err) + } + d, err := ioutil.TempDir("", "test") + if err != nil { + t.Fatalf("chtmpdir: %v", err) + } + if err := os.Chdir(d); err != nil { + t.Fatalf("chtmpdir: %v", err) + } + return func() { + if err := os.Chdir(oldwd); err != nil { + t.Fatalf("chtmpdir: %v", err) + } + os.RemoveAll(d) + } +} + +func touch(t *testing.T, name string) { + f, err := os.Create(name) + if err != nil { + t.Fatal(err) + } + if err := f.Close(); err != nil { + t.Fatal(err) + } +} + +const ( + _AT_SYMLINK_NOFOLLOW = 0x100 + _AT_FDCWD = -0x64 +) + +func TestFchmodat(t *testing.T) { + defer chtmpdir(t)() + + touch(t, "file1") + os.Symlink("file1", "symlink1") + + err := syscall.Fchmodat(_AT_FDCWD, "symlink1", 0444, 0) + if err != nil { + t.Fatalf("Fchmodat: unexpected error: %v", err) + } + + fi, err := os.Stat("file1") + if err != nil { + t.Fatal(err) + } + + if fi.Mode() != 0444 { + t.Errorf("Fchmodat: failed to change mode: expected %v, got %v", 0444, fi.Mode()) + } + + err = syscall.Fchmodat(_AT_FDCWD, "symlink1", 0444, _AT_SYMLINK_NOFOLLOW) + if err != syscall.EOPNOTSUPP { + t.Fatalf("Fchmodat: unexpected error: %v, expected EOPNOTSUPP", err) + } +} + func TestMain(m *testing.M) { if os.Getenv("GO_DEATHSIG_PARENT") == "1" { deathSignalParent() diff --git a/src/syscall/zsyscall_linux_386.go b/src/syscall/zsyscall_linux_386.go index 951bf9ad48..346c3cdbcf 100644 --- a/src/syscall/zsyscall_linux_386.go +++ b/src/syscall/zsyscall_linux_386.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_amd64.go b/src/syscall/zsyscall_linux_amd64.go index 55e7edd9e8..606c9e8cb0 100644 --- a/src/syscall/zsyscall_linux_amd64.go +++ b/src/syscall/zsyscall_linux_amd64.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_arm.go b/src/syscall/zsyscall_linux_arm.go index 40ee288827..ccddfae9f6 100644 --- a/src/syscall/zsyscall_linux_arm.go +++ b/src/syscall/zsyscall_linux_arm.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_arm64.go b/src/syscall/zsyscall_linux_arm64.go index 59d445cc1c..3ad94d0e7f 100644 --- a/src/syscall/zsyscall_linux_arm64.go +++ b/src/syscall/zsyscall_linux_arm64.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_mips.go b/src/syscall/zsyscall_linux_mips.go index df65776170..50bc319f27 100644 --- a/src/syscall/zsyscall_linux_mips.go +++ b/src/syscall/zsyscall_linux_mips.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_mips64.go b/src/syscall/zsyscall_linux_mips64.go index 701f39a252..26b22169e4 100644 --- a/src/syscall/zsyscall_linux_mips64.go +++ b/src/syscall/zsyscall_linux_mips64.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_mips64le.go b/src/syscall/zsyscall_linux_mips64le.go index c7976c9207..18d0298ced 100644 --- a/src/syscall/zsyscall_linux_mips64le.go +++ b/src/syscall/zsyscall_linux_mips64le.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_mipsle.go b/src/syscall/zsyscall_linux_mipsle.go index c3e8d92035..0b2862d1cb 100644 --- a/src/syscall/zsyscall_linux_mipsle.go +++ b/src/syscall/zsyscall_linux_mipsle.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_ppc64.go b/src/syscall/zsyscall_linux_ppc64.go index 6f0e09e63a..071ef7e461 100644 --- a/src/syscall/zsyscall_linux_ppc64.go +++ b/src/syscall/zsyscall_linux_ppc64.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_ppc64le.go b/src/syscall/zsyscall_linux_ppc64le.go index 6202e79b36..e1267ecd87 100644 --- a/src/syscall/zsyscall_linux_ppc64le.go +++ b/src/syscall/zsyscall_linux_ppc64le.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path) diff --git a/src/syscall/zsyscall_linux_s390x.go b/src/syscall/zsyscall_linux_s390x.go index 1020c8ee60..07962f6188 100644 --- a/src/syscall/zsyscall_linux_s390x.go +++ b/src/syscall/zsyscall_linux_s390x.go @@ -9,6 +9,21 @@ import "unsafe" // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func fchmodat(dirfd int, path string, mode uint32) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(oldpath) @@ -384,21 +399,6 @@ func Fchmod(fd int, mode uint32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) { var _p0 *byte _p0, err = BytePtrFromString(path)