os: change the type of permissions argument for Open etc. to uint32.

Besides being more correct, it protects against people accidentally
exchanging the permission and open mode arguments to Open.

R=rsc
CC=golang-dev
https://golang.org/cl/1904045

doc/progs/file.go

@@ -10,8 +10,8 @@ import (
 )
 
 type File struct {
-	fd      int    // file descriptor number
-	name    string // file name at Open time
+	fd   int    // file descriptor number
+	name string // file name at Open time
 }
 
 func newFile(fd int, name string) *File {
@@ -27,7 +27,7 @@ var (
 	Stderr = newFile(2, "/dev/stderr")
 )
 
-func Open(name string, mode int, perm int) (file *File, err os.Error) {
+func Open(name string, mode int, perm uint32) (file *File, err os.Error) {
 	r, e := syscall.Open(name, mode, perm)
 	if e != 0 {
 		err = os.Errno(e)
@@ -40,7 +40,7 @@ func (file *File) Close() os.Error {
 		return os.EINVAL
 	}
 	e := syscall.Close(file.fd)
-	file.fd = -1  // so it can't be closed again
+	file.fd = -1 // so it can't be closed again
 	if e != 0 {
 		return os.Errno(e)
 	}

src/cmd/goyacc/goyacc.go

@@ -3038,7 +3038,7 @@ func open(s string) *bufio.Reader {
 	return bufio.NewReader(fi)
 }
 
-func create(s string, m int) *bufio.Writer {
+func create(s string, m uint32) *bufio.Writer {
 	fo, err := os.Open(s, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, m)
 	if err != nil {
 		error("error opening %v: %v", s, err)

src/cmd/hgpatch/main.go

@@ -153,7 +153,7 @@ func main() {
 			changed[o.Dst] = 1
 		}
 		if o.Mode != 0 {
-			chk(os.Chmod(o.Dst, o.Mode&0755))
+			chk(os.Chmod(o.Dst, uint32(o.Mode&0755)))
 			undoRevert(o.Dst)
 			changed[o.Dst] = 1
 		}
@@ -192,7 +192,7 @@ func makeParent(name string) {
 
 // Copy of os.MkdirAll but adds to undo log after
 // creating a directory.
-func mkdirAll(path string, perm int) os.Error {
+func mkdirAll(path string, perm uint32) os.Error {
 	dir, err := os.Lstat(path)
 	if err == nil {
 		if dir.IsDirectory() {

src/pkg/io/ioutil/ioutil.go

@@ -49,7 +49,7 @@ func ReadFile(filename string) ([]byte, os.Error) {
 // WriteFile writes data to a file named by filename.
 // If the file does not exist, WriteFile creates it with permissions perm;
 // otherwise WriteFile truncates it before writing.
-func WriteFile(filename string, data []byte, perm int) os.Error {
+func WriteFile(filename string, data []byte, perm uint32) os.Error {
 	f, err := os.Open(filename, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, perm)
 	if err != nil {
 		return err

src/pkg/os/file.go

@@ -46,19 +46,19 @@ var (
 // Flags to Open wrapping those of the underlying system. Not all flags
 // may be implemented on a given system.
 const (
-	O_RDONLY   = syscall.O_RDONLY   // open the file read-only.
-	O_WRONLY   = syscall.O_WRONLY   // open the file write-only.
-	O_RDWR     = syscall.O_RDWR     // open the file read-write.
-	O_APPEND   = syscall.O_APPEND   // append data to the file when writing.
-	O_ASYNC    = syscall.O_ASYNC    // generate a signal when I/O is available.
-	O_CREAT    = syscall.O_CREAT    // create a new file if none exists.
-	O_EXCL     = syscall.O_EXCL     // used with O_CREAT, file must not exist
-	O_NOCTTY   = syscall.O_NOCTTY   // do not make file the controlling tty.
-	O_NONBLOCK = syscall.O_NONBLOCK // open in non-blocking mode.
-	O_NDELAY   = O_NONBLOCK         // synonym for O_NONBLOCK
-	O_SYNC     = syscall.O_SYNC     // open for synchronous I/O.
-	O_TRUNC    = syscall.O_TRUNC    // if possible, truncate file when opened.
-	O_CREATE   = O_CREAT            // create a new file if none exists.
+	O_RDONLY   int = syscall.O_RDONLY   // open the file read-only.
+	O_WRONLY   int = syscall.O_WRONLY   // open the file write-only.
+	O_RDWR     int = syscall.O_RDWR     // open the file read-write.
+	O_APPEND   int = syscall.O_APPEND   // append data to the file when writing.
+	O_ASYNC    int = syscall.O_ASYNC    // generate a signal when I/O is available.
+	O_CREAT    int = syscall.O_CREAT    // create a new file if none exists.
+	O_EXCL     int = syscall.O_EXCL     // used with O_CREAT, file must not exist
+	O_NOCTTY   int = syscall.O_NOCTTY   // do not make file the controlling tty.
+	O_NONBLOCK int = syscall.O_NONBLOCK // open in non-blocking mode.
+	O_NDELAY   int = O_NONBLOCK         // synonym for O_NONBLOCK
+	O_SYNC     int = syscall.O_SYNC     // open for synchronous I/O.
+	O_TRUNC    int = syscall.O_TRUNC    // if possible, truncate file when opened.
+	O_CREATE   int = O_CREAT            // create a new file if none exists.
 )
 
 type eofError int
@@ -208,7 +208,7 @@ func Pipe() (r *File, w *File, err Error) {
 
 // Mkdir creates a new directory with the specified name and permission bits.
 // It returns an error, if any.
-func Mkdir(name string, perm int) Error {
+func Mkdir(name string, perm uint32) Error {
 	e := syscall.Mkdir(name, perm)
 	if e != 0 {
 		return &PathError{"mkdir", name, Errno(e)}
@@ -358,7 +358,7 @@ func Rename(oldname, newname string) Error {
 
 // Chmod changes the mode of the named file to mode.
 // If the file is a symbolic link, it changes the mode of the link's target.
-func Chmod(name string, mode int) Error {
+func Chmod(name string, mode uint32) Error {
 	if e := syscall.Chmod(name, mode); e != 0 {
 		return &PathError{"chmod", name, Errno(e)}
 	}
@@ -366,7 +366,7 @@ func Chmod(name string, mode int) Error {
 }
 
 // Chmod changes the mode of the file to mode.
-func (f *File) Chmod(mode int) Error {
+func (f *File) Chmod(mode uint32) Error {
 	if e := syscall.Fchmod(f.fd, mode); e != 0 {
 		return &PathError{"chmod", f.name, Errno(e)}
 	}

src/pkg/os/file_unix.go

@@ -25,7 +25,7 @@ const DevNull = "/dev/null"
 // Open opens the named file with specified flag (O_RDONLY etc.) and perm, (0666 etc.)
 // if applicable.  If successful, methods on the returned File can be used for I/O.
 // It returns the File and an Error, if any.
-func Open(name string, flag int, perm int) (file *File, err Error) {
+func Open(name string, flag int, perm uint32) (file *File, err Error) {
 	r, e := syscall.Open(name, flag|syscall.O_CLOEXEC, perm)
 	if e != 0 {
 		return nil, &PathError{"open", name, Errno(e)}

src/pkg/os/file_windows.go

@@ -21,7 +21,7 @@ const DevNull = "NUL"
 
 func (file *File) isdir() bool { return file != nil && file.dirinfo != nil }
 
-func openFile(name string, flag int, perm int) (file *File, err Error) {
+func openFile(name string, flag int, perm uint32) (file *File, err Error) {
 	r, e := syscall.Open(name, flag|syscall.O_CLOEXEC, perm)
 	if e != 0 {
 		return nil, &PathError{"open", name, Errno(e)}
@@ -51,7 +51,7 @@ func openDir(name string) (file *File, err Error) {
 // Open opens the named file with specified flag (O_RDONLY etc.) and perm, (0666 etc.)
 // if applicable.  If successful, methods on the returned File can be used for I/O.
 // It returns the File and an Error, if any.
-func Open(name string, flag int, perm int) (file *File, err Error) {
+func Open(name string, flag int, perm uint32) (file *File, err Error) {
 	// TODO(brainman): not sure about my logic of assuming it is dir first, then fall back to file
 	r, e := openDir(name)
 	if e == nil {

src/pkg/os/path.go

@@ -12,7 +12,7 @@ package os
 // directories that MkdirAll creates.
 // If path is already a directory, MkdirAll does nothing
 // and returns nil.
-func MkdirAll(path string, perm int) Error {
+func MkdirAll(path string, perm uint32) Error {
 	// If path exists, stop with success or error.
 	dir, err := Lstat(path)
 	if err == nil {

src/pkg/syscall/syscall_darwin.go

@@ -29,7 +29,7 @@ func Kill(pid int, signum int) (errno int) { return kill(pid, signum, 1) }
 //sys	Adjtime(delta *Timeval, olddelta *Timeval) (errno int)
 //sys	Chdir(path string) (errno int)
 //sys	Chflags(path string, flags int) (errno int)
-//sys	Chmod(path string, mode int) (errno int)
+//sys	Chmod(path string, mode uint32) (errno int)
 //sys	Chown(path string, uid int, gid int) (errno int)
 //sys	Chroot(path string) (errno int)
 //sys	Close(fd int) (errno int)
@@ -39,7 +39,7 @@ func Kill(pid int, signum int) (errno int) { return kill(pid, signum, 1) }
 //sys	Exit(code int)
 //sys	Fchdir(fd int) (errno int)
 //sys	Fchflags(path string, flags int) (errno int)
-//sys	Fchmod(fd int, mode int) (errno int)
+//sys	Fchmod(fd int, mode uint32) (errno int)
 //sys	Fchown(fd int, uid int, gid int) (errno int)
 //sys	Flock(fd int, how int) (errno int)
 //sys	Fpathconf(fd int, name int) (val int, errno int)
@@ -68,10 +68,10 @@ func Kill(pid int, signum int) (errno int) { return kill(pid, signum, 1) }
 //sys	Link(path string, link string) (errno int)
 //sys	Listen(s int, backlog int) (errno int)
 //sys	Lstat(path string, stat *Stat_t) (errno int) = SYS_LSTAT64
-//sys	Mkdir(path string, mode int) (errno int)
-//sys	Mkfifo(path string, mode int) (errno int)
-//sys	Mknod(path string, mode int, dev int) (errno int)
-//sys	Open(path string, mode int, perm int) (fd int, errno int)
+//sys	Mkdir(path string, mode uint32) (errno int)
+//sys	Mkfifo(path string, mode uint32) (errno int)
+//sys	Mknod(path string, mode uint32, dev int) (errno int)
+//sys	Open(path string, mode int, perm uint32) (fd int, errno int)
 //sys	Pathconf(path string, name int) (val int, errno int)
 //sys	Pread(fd int, p []byte, offset int64) (n int, errno int)
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, errno int)

src/pkg/syscall/syscall_freebsd.go

@@ -21,7 +21,7 @@ const OS = "freebsd"
 //sys	Adjtime(delta *Timeval, olddelta *Timeval) (errno int)
 //sys	Chdir(path string) (errno int)
 //sys	Chflags(path string, flags int) (errno int)
-//sys	Chmod(path string, mode int) (errno int)
+//sys	Chmod(path string, mode uint32) (errno int)
 //sys	Chown(path string, uid int, gid int) (errno int)
 //sys	Chroot(path string) (errno int)
 //sys	Close(fd int) (errno int)
@@ -30,7 +30,7 @@ const OS = "freebsd"
 //sys	Exit(code int)
 //sys	Fchdir(fd int) (errno int)
 //sys	Fchflags(path string, flags int) (errno int)
-//sys	Fchmod(fd int, mode int) (errno int)
+//sys	Fchmod(fd int, mode uint32) (errno int)
 //sys	Fchown(fd int, uid int, gid int) (errno int)
 //sys	Flock(fd int, how int) (errno int)
 //sys	Fpathconf(fd int, name int) (val int, errno int)
@@ -61,11 +61,11 @@ const OS = "freebsd"
 //sys	Link(path string, link string) (errno int)
 //sys	Listen(s int, backlog int) (errno int)
 //sys	Lstat(path string, stat *Stat_t) (errno int)
-//sys	Mkdir(path string, mode int) (errno int)
-//sys	Mkfifo(path string, mode int) (errno int)
-//sys	Mknod(path string, mode int, dev int) (errno int)
+//sys	Mkdir(path string, mode uint32) (errno int)
+//sys	Mkfifo(path string, mode uint32) (errno int)
+//sys	Mknod(path string, mode uint32, dev int) (errno int)
 //sys	Nanosleep(time *Timespec, leftover *Timespec) (errno int)
-//sys	Open(path string, mode int, perm int) (fd int, errno int)
+//sys	Open(path string, mode int, perm uint32) (fd int, errno int)
 //sys	Pathconf(path string, name int) (val int, errno int)
 //sys	Pread(fd int, p []byte, offset int64) (n int, errno int)
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, errno int)

src/pkg/syscall/syscall_linux.go

@@ -19,13 +19,13 @@ const OS = "linux"
  * Wrapped
  */
 
-//sys	open(path string, mode int, perm int) (fd int, errno int)
-func Open(path string, mode int, perm int) (fd int, errno int) {
+//sys	open(path string, mode int, perm uint32) (fd int, errno int)
+func Open(path string, mode int, perm uint32) (fd int, errno int) {
 	return open(path, mode|O_LARGEFILE, perm)
 }
 
-//sys	openat(dirfd int, path string, flags int, mode int) (fd int, errno int)
-func Openat(dirfd int, path string, flags int, mode int) (fd int, errno int) {
+//sys	openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int)
+func Openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int) {
 	return openat(dirfd, path, flags|O_LARGEFILE, mode)
 }
 
@@ -561,25 +561,25 @@ func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0)
 /*
  * Direct access
  */
-//sys	Access(path string, mode int) (errno int)
+//sys	Access(path string, mode uint32) (errno int)
 //sys	Acct(path string) (errno int)
 //sys	Adjtimex(buf *Timex) (state int, errno int)
 //sys	Chdir(path string) (errno int)
-//sys	Chmod(path string, mode int) (errno int)
+//sys	Chmod(path string, mode uint32) (errno int)
 //sys	Chroot(path string) (errno int)
 //sys	Close(fd int) (errno int)
-//sys	Creat(path string, mode int) (fd int, errno int)
+//sys	Creat(path string, mode uint32) (fd int, errno int)
 //sys	Dup(oldfd int) (fd int, errno int)
 //sys	Dup2(oldfd int, newfd int) (fd int, errno int)
 //sys	EpollCreate(size int) (fd int, errno int)
 //sys	EpollCtl(epfd int, op int, fd int, event *EpollEvent) (errno int)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, errno int)
 //sys	Exit(code int) = SYS_EXIT_GROUP
-//sys	Faccessat(dirfd int, path string, mode int, flags int) (errno int)
-//sys	Fallocate(fd int, mode int, off int64, len int64) (errno int)
+//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (errno int)
+//sys	Fallocate(fd int, mode uint32, off int64, len int64) (errno int)
 //sys	Fchdir(fd int) (errno int)
-//sys	Fchmod(fd int, mode int) (errno int)
-//sys	Fchmodat(dirfd int, path string, mode int, flags int) (errno int)
+//sys	Fchmod(fd int, mode uint32) (errno int)
+//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (errno int)
 //sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (errno int)
 //sys	fcntl(fd int, cmd int, arg int) (val int, errno int)
 //sys	Fdatasync(fd int) (errno int)
@@ -597,10 +597,10 @@ func PtraceDetach(pid int) (errno int) { return ptrace(PTRACE_DETACH, pid, 0, 0)
 //sys	Kill(pid int, sig int) (errno int)
 //sys	Klogctl(typ int, buf []byte) (n int, errno int) = SYS_SYSLOG
 //sys	Link(oldpath string, newpath string) (errno int)
-//sys	Mkdir(path string, mode int) (errno int)
-//sys	Mkdirat(dirfd int, path string, mode int) (errno int)
-//sys	Mknod(path string, mode int, dev int) (errno int)
-//sys	Mknodat(dirfd int, path string, mode int, dev int) (errno int)
+//sys	Mkdir(path string, mode uint32) (errno int)
+//sys	Mkdirat(dirfd int, path string, mode uint32) (errno int)
+//sys	Mknod(path string, mode uint32, dev int) (errno int)
+//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (errno int)
 //sys	Nanosleep(time *Timespec, leftover *Timespec) (errno int)
 //sys	Pause() (errno int)
 //sys	PivotRoot(newroot string, putold string) (errno int) = SYS_PIVOT_ROOT

src/pkg/syscall/syscall_nacl.go

@@ -10,7 +10,7 @@ const OS = "nacl"
 
 // Auto-generated
 
-//sys	Chmod(path string, mode int) (errno int)
+//sys	Chmod(path string, mode uint32) (errno int)
 //sys	Clock() (clock int)
 //sys	Close(fd int) (errno int)
 //sys	Exit(code int)
@@ -18,7 +18,7 @@ const OS = "nacl"
 //sys	Getdents(fd int, buf []byte) (n int, errno int)
 //sys	Getpid() (pid int)
 //sys	Gettimeofday(tv *Timeval) (errno int)
-//sys	Open(path string, mode int, perm int) (fd int, errno int)
+//sys	Open(path string, mode int, perm uint32) (fd int, errno int)
 //sys	Read(fd int, p []byte) (n int, errno int)
 //sys	read(fd int, buf *byte, nbuf int) (n int, errno int)
 //sys	Stat(path string, stat *Stat_t) (errno int)
@@ -132,7 +132,7 @@ func Pwrite(fd int, p []byte, offset int64) (n int, errno int) {
 	return 0, ENACL
 }
 
-func Mkdir(path string, mode int) (errno int) { return ENACL }
+func Mkdir(path string, mode uint32) (errno int) { return ENACL }
 
 func Lstat(path string, stat *Stat_t) (errno int) {
 	return Stat(path, stat)
@@ -160,7 +160,7 @@ func Rename(oldpath, newpath string) (errno int) {
 	return ENACL
 }
 
-func Fchmod(fd int, mode int) (errno int) { return ENACL }
+func Fchmod(fd int, mode uint32) (errno int) { return ENACL }
 
 func Chown(path string, uid int, gid int) (errno int) {
 	return ENACL

src/pkg/syscall/syscall_windows.go

@@ -164,7 +164,7 @@ func Errstr(errno int) string {
 
 func Exit(code int) { ExitProcess(uint32(code)) }
 
-func Open(path string, mode int, perm int) (fd int, errno int) {
+func Open(path string, mode int, perm uint32) (fd int, errno int) {
 	if len(path) == 0 {
 		return -1, ERROR_FILE_NOT_FOUND
 	}
@@ -329,7 +329,7 @@ func Chdir(path string) (errno int) {
 	return 0
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	if ok, e := CreateDirectory(&StringToUTF16(path)[0], nil); !ok {
 		return e
 	}
@@ -620,8 +620,8 @@ func Fchdir(fd int) (errno int)                           { return EWINDOWS }
 func Link(oldpath, newpath string) (errno int)            { return EWINDOWS }
 func Symlink(path, link string) (errno int)               { return EWINDOWS }
 func Readlink(path string, buf []byte) (n int, errno int) { return 0, EWINDOWS }
-func Chmod(path string, mode int) (errno int)             { return EWINDOWS }
-func Fchmod(fd int, mode int) (errno int)                 { return EWINDOWS }
+func Chmod(path string, mode uint32) (errno int)          { return EWINDOWS }
+func Fchmod(fd int, mode uint32) (errno int)              { return EWINDOWS }
 func Chown(path string, uid int, gid int) (errno int)     { return EWINDOWS }
 func Lchown(path string, uid int, gid int) (errno int)    { return EWINDOWS }
 func Fchown(fd int, uid int, gid int) (errno int)         { return EWINDOWS }

src/pkg/syscall/zsyscall_darwin_386.go

@@ -179,7 +179,7 @@ func Chflags(path string, flags int) (errno int) {
 	return
 }
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -239,7 +239,7 @@ func Fchflags(path string, flags int) (errno int) {
 	return
 }
 
-func Fchmod(fd int, mode int) (errno int) {
+func Fchmod(fd int, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -428,25 +428,25 @@ func Lstat(path string, stat *Stat_t) (errno int) {
 	return
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mkfifo(path string, mode int) (errno int) {
+func Mkfifo(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mknod(path string, mode int, dev int) (errno int) {
+func Mknod(path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev))
 	errno = int(e1)
 	return
 }
 
-func Open(path string, mode int, perm int) (fd int, errno int) {
+func Open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)

src/pkg/syscall/zsyscall_darwin_amd64.go

@@ -178,7 +178,7 @@ func Chflags(path string, flags int) (errno int) {
 	return
 }
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -238,7 +238,7 @@ func Fchflags(path string, flags int) (errno int) {
 	return
 }
 
-func Fchmod(fd int, mode int) (errno int) {
+func Fchmod(fd int, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -427,25 +427,25 @@ func Lstat(path string, stat *Stat_t) (errno int) {
 	return
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mkfifo(path string, mode int) (errno int) {
+func Mkfifo(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mknod(path string, mode int, dev int) (errno int) {
+func Mknod(path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev))
 	errno = int(e1)
 	return
 }
 
-func Open(path string, mode int, perm int) (fd int, errno int) {
+func Open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)

src/pkg/syscall/zsyscall_freebsd_386.go

@@ -172,7 +172,7 @@ func Chflags(path string, flags int) (errno int) {
 	return
 }
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -226,7 +226,7 @@ func Fchflags(path string, flags int) (errno int) {
 	return
 }
 
-func Fchmod(fd int, mode int) (errno int) {
+func Fchmod(fd int, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -427,19 +427,19 @@ func Lstat(path string, stat *Stat_t) (errno int) {
 	return
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mkfifo(path string, mode int) (errno int) {
+func Mkfifo(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mknod(path string, mode int, dev int) (errno int) {
+func Mknod(path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev))
 	errno = int(e1)
 	return
@@ -451,7 +451,7 @@ func Nanosleep(time *Timespec, leftover *Timespec) (errno int) {
 	return
 }
 
-func Open(path string, mode int, perm int) (fd int, errno int) {
+func Open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)

src/pkg/syscall/zsyscall_freebsd_amd64.go

@@ -173,7 +173,7 @@ func Chflags(path string, flags int) (errno int) {
 	return
 }
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -227,7 +227,7 @@ func Fchflags(path string, flags int) (errno int) {
 	return
 }
 
-func Fchmod(fd int, mode int) (errno int) {
+func Fchmod(fd int, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -428,19 +428,19 @@ func Lstat(path string, stat *Stat_t) (errno int) {
 	return
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mkfifo(path string, mode int) (errno int) {
+func Mkfifo(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mknod(path string, mode int, dev int) (errno int) {
+func Mknod(path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev))
 	errno = int(e1)
 	return
@@ -452,7 +452,7 @@ func Nanosleep(time *Timespec, leftover *Timespec) (errno int) {
 	return
 }
 
-func Open(path string, mode int, perm int) (fd int, errno int) {
+func Open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)

src/pkg/syscall/zsyscall_linux_386.go

@@ -5,14 +5,14 @@ package syscall
 
 import "unsafe"
 
-func open(path string, mode int, perm int) (fd int, errno int) {
+func open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)
 	return
 }
 
-func openat(dirfd int, path string, flags int, mode int) (fd int, errno int) {
+func openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(flags), uintptr(mode), 0, 0)
 	fd = int(r0)
 	errno = int(e1)
@@ -61,7 +61,7 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) {
 	return
 }
 
-func Access(path string, mode int) (errno int) {
+func Access(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -86,7 +86,7 @@ func Chdir(path string) (errno int) {
 	return
 }
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -104,7 +104,7 @@ func Close(fd int) (errno int) {
 	return
 }
 
-func Creat(path string, mode int) (fd int, errno int) {
+func Creat(path string, mode uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_CREAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	fd = int(r0)
 	errno = int(e1)
@@ -154,13 +154,13 @@ func Exit(code int) {
 	return
 }
 
-func Faccessat(dirfd int, path string, mode int, flags int) (errno int) {
+func Faccessat(dirfd int, path string, mode uint32, flags int) (errno int) {
 	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(flags), 0, 0)
 	errno = int(e1)
 	return
 }
 
-func Fallocate(fd int, mode int, off int64, len int64) (errno int) {
+func Fallocate(fd int, mode uint32, off int64, len int64) (errno int) {
 	_, _, e1 := Syscall6(SYS_FALLOCATE, uintptr(fd), uintptr(mode), uintptr(off), uintptr(off>>32), uintptr(len), uintptr(len>>32))
 	errno = int(e1)
 	return
@@ -172,13 +172,13 @@ func Fchdir(fd int) (errno int) {
 	return
 }
 
-func Fchmod(fd int, mode int) (errno int) {
+func Fchmod(fd int, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Fchmodat(dirfd int, path string, mode int, flags int) (errno int) {
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (errno int) {
 	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(flags), 0, 0)
 	errno = int(e1)
 	return
@@ -298,25 +298,25 @@ func Link(oldpath string, newpath string) (errno int) {
 	return
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mkdirat(dirfd int, path string, mode int) (errno int) {
+func Mkdirat(dirfd int, path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode))
 	errno = int(e1)
 	return
 }
 
-func Mknod(path string, mode int, dev int) (errno int) {
+func Mknod(path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev))
 	errno = int(e1)
 	return
 }
 
-func Mknodat(dirfd int, path string, mode int, dev int) (errno int) {
+func Mknodat(dirfd int, path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall6(SYS_MKNODAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev), 0, 0)
 	errno = int(e1)
 	return

src/pkg/syscall/zsyscall_linux_amd64.go

@@ -5,14 +5,14 @@ package syscall
 
 import "unsafe"
 
-func open(path string, mode int, perm int) (fd int, errno int) {
+func open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)
 	return
 }
 
-func openat(dirfd int, path string, flags int, mode int) (fd int, errno int) {
+func openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(flags), uintptr(mode), 0, 0)
 	fd = int(r0)
 	errno = int(e1)
@@ -61,7 +61,7 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) {
 	return
 }
 
-func Access(path string, mode int) (errno int) {
+func Access(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -86,7 +86,7 @@ func Chdir(path string) (errno int) {
 	return
 }
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -104,7 +104,7 @@ func Close(fd int) (errno int) {
 	return
 }
 
-func Creat(path string, mode int) (fd int, errno int) {
+func Creat(path string, mode uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_CREAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	fd = int(r0)
 	errno = int(e1)
@@ -154,13 +154,13 @@ func Exit(code int) {
 	return
 }
 
-func Faccessat(dirfd int, path string, mode int, flags int) (errno int) {
+func Faccessat(dirfd int, path string, mode uint32, flags int) (errno int) {
 	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(flags), 0, 0)
 	errno = int(e1)
 	return
 }
 
-func Fallocate(fd int, mode int, off int64, len int64) (errno int) {
+func Fallocate(fd int, mode uint32, off int64, len int64) (errno int) {
 	_, _, e1 := Syscall6(SYS_FALLOCATE, uintptr(fd), uintptr(mode), uintptr(off), uintptr(len), 0, 0)
 	errno = int(e1)
 	return
@@ -172,13 +172,13 @@ func Fchdir(fd int) (errno int) {
 	return
 }
 
-func Fchmod(fd int, mode int) (errno int) {
+func Fchmod(fd int, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Fchmodat(dirfd int, path string, mode int, flags int) (errno int) {
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (errno int) {
 	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(flags), 0, 0)
 	errno = int(e1)
 	return
@@ -298,25 +298,25 @@ func Link(oldpath string, newpath string) (errno int) {
 	return
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mkdirat(dirfd int, path string, mode int) (errno int) {
+func Mkdirat(dirfd int, path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode))
 	errno = int(e1)
 	return
 }
 
-func Mknod(path string, mode int, dev int) (errno int) {
+func Mknod(path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev))
 	errno = int(e1)
 	return
 }
 
-func Mknodat(dirfd int, path string, mode int, dev int) (errno int) {
+func Mknodat(dirfd int, path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall6(SYS_MKNODAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev), 0, 0)
 	errno = int(e1)
 	return

src/pkg/syscall/zsyscall_linux_arm.go

@@ -5,14 +5,14 @@ package syscall
 
 import "unsafe"
 
-func open(path string, mode int, perm int) (fd int, errno int) {
+func open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)
 	return
 }
 
-func openat(dirfd int, path string, flags int, mode int) (fd int, errno int) {
+func openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(flags), uintptr(mode), 0, 0)
 	fd = int(r0)
 	errno = int(e1)
@@ -61,7 +61,7 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (errno int) {
 	return
 }
 
-func Access(path string, mode int) (errno int) {
+func Access(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -86,7 +86,7 @@ func Chdir(path string) (errno int) {
 	return
 }
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -104,7 +104,7 @@ func Close(fd int) (errno int) {
 	return
 }
 
-func Creat(path string, mode int) (fd int, errno int) {
+func Creat(path string, mode uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_CREAT, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	fd = int(r0)
 	errno = int(e1)
@@ -154,13 +154,13 @@ func Exit(code int) {
 	return
 }
 
-func Faccessat(dirfd int, path string, mode int, flags int) (errno int) {
+func Faccessat(dirfd int, path string, mode uint32, flags int) (errno int) {
 	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(flags), 0, 0)
 	errno = int(e1)
 	return
 }
 
-func Fallocate(fd int, mode int, off int64, len int64) (errno int) {
+func Fallocate(fd int, mode uint32, off int64, len int64) (errno int) {
 	_, _, e1 := Syscall6(SYS_FALLOCATE, uintptr(fd), uintptr(mode), uintptr(off), uintptr(off>>32), uintptr(len), uintptr(len>>32))
 	errno = int(e1)
 	return
@@ -172,13 +172,13 @@ func Fchdir(fd int) (errno int) {
 	return
 }
 
-func Fchmod(fd int, mode int) (errno int) {
+func Fchmod(fd int, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Fchmodat(dirfd int, path string, mode int, flags int) (errno int) {
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (errno int) {
 	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(flags), 0, 0)
 	errno = int(e1)
 	return
@@ -298,25 +298,25 @@ func Link(oldpath string, newpath string) (errno int) {
 	return
 }
 
-func Mkdir(path string, mode int) (errno int) {
+func Mkdir(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
 }
 
-func Mkdirat(dirfd int, path string, mode int) (errno int) {
+func Mkdirat(dirfd int, path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode))
 	errno = int(e1)
 	return
 }
 
-func Mknod(path string, mode int, dev int) (errno int) {
+func Mknod(path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev))
 	errno = int(e1)
 	return
 }
 
-func Mknodat(dirfd int, path string, mode int, dev int) (errno int) {
+func Mknodat(dirfd int, path string, mode uint32, dev int) (errno int) {
 	_, _, e1 := Syscall6(SYS_MKNODAT, uintptr(dirfd), uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(dev), 0, 0)
 	errno = int(e1)
 	return

src/pkg/syscall/zsyscall_nacl_386.go

@@ -5,7 +5,7 @@ package syscall
 
 import "unsafe"
 
-func Chmod(path string, mode int) (errno int) {
+func Chmod(path string, mode uint32) (errno int) {
 	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), 0)
 	errno = int(e1)
 	return
@@ -57,7 +57,7 @@ func Gettimeofday(tv *Timeval) (errno int) {
 	return
 }
 
-func Open(path string, mode int, perm int) (fd int, errno int) {
+func Open(path string, mode int, perm uint32) (fd int, errno int) {
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(mode), uintptr(perm))
 	fd = int(r0)
 	errno = int(e1)