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authorDuco van Amstel <duco.vanamstel@gmail.com>2018-11-18 16:32:26 +0000
committerGitHub <noreply@github.com>2018-11-18 16:32:26 +0000
commitd5bc7c434336ace9591447d65c043cdad1c686ff (patch)
tree5fcd41df548af27d1a1fd9b0c8643afeb91d31e2 /vendor/golang.org/x/sys/unix/syscall_darwin.go
parent32f57b7c26bdd8701587faf5c8bb3bef133d34b1 (diff)
parent692bb8faa7c4000953b0622a77126193f8fd0383 (diff)
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Merge pull request #598 from Helcaraxan/feature/update-deps
Upgrade logrus / testify to stable versions
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_darwin.go')
-rw-r--r--vendor/golang.org/x/sys/unix/syscall_darwin.go140
1 files changed, 114 insertions, 26 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin.go b/vendor/golang.org/x/sys/unix/syscall_darwin.go
index d6c472a7..1aabc560 100644
--- a/vendor/golang.org/x/sys/unix/syscall_darwin.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go
@@ -13,7 +13,7 @@
package unix
import (
- errorspkg "errors"
+ "errors"
"syscall"
"unsafe"
)
@@ -36,6 +36,7 @@ func Getwd() (string, error) {
return "", ENOTSUP
}
+// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
type SockaddrDatalink struct {
Len uint8
Family uint8
@@ -76,18 +77,6 @@ func nametomib(name string) (mib []_C_int, err error) {
return buf[0 : n/siz], nil
}
-func direntIno(buf []byte) (uint64, bool) {
- return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
- return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
- return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
@@ -109,7 +98,7 @@ type attrList struct {
func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (attrs [][]byte, err error) {
if len(attrBuf) < 4 {
- return nil, errorspkg.New("attrBuf too small")
+ return nil, errors.New("attrBuf too small")
}
attrList.bitmapCount = attrBitMapCount
@@ -145,12 +134,12 @@ func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (
for i := uint32(0); int(i) < len(dat); {
header := dat[i:]
if len(header) < 8 {
- return attrs, errorspkg.New("truncated attribute header")
+ return attrs, errors.New("truncated attribute header")
}
datOff := *(*int32)(unsafe.Pointer(&header[0]))
attrLen := *(*uint32)(unsafe.Pointer(&header[4]))
if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) {
- return attrs, errorspkg.New("truncated results; attrBuf too small")
+ return attrs, errors.New("truncated results; attrBuf too small")
}
end := uint32(datOff) + attrLen
attrs = append(attrs, dat[datOff:end])
@@ -187,6 +176,112 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
+func xattrPointer(dest []byte) *byte {
+ // It's only when dest is set to NULL that the OS X implementations of
+ // getxattr() and listxattr() return the current sizes of the named attributes.
+ // An empty byte array is not sufficient. To maintain the same behaviour as the
+ // linux implementation, we wrap around the system calls and pass in NULL when
+ // dest is empty.
+ var destp *byte
+ if len(dest) > 0 {
+ destp = &dest[0]
+ }
+ return destp
+}
+
+//sys getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error)
+
+func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
+ return getxattr(path, attr, xattrPointer(dest), len(dest), 0, 0)
+}
+
+func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) {
+ return getxattr(link, attr, xattrPointer(dest), len(dest), 0, XATTR_NOFOLLOW)
+}
+
+//sys fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error)
+
+func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) {
+ return fgetxattr(fd, attr, xattrPointer(dest), len(dest), 0, 0)
+}
+
+//sys setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error)
+
+func Setxattr(path string, attr string, data []byte, flags int) (err error) {
+ // The parameters for the OS X implementation vary slightly compared to the
+ // linux system call, specifically the position parameter:
+ //
+ // linux:
+ // int setxattr(
+ // const char *path,
+ // const char *name,
+ // const void *value,
+ // size_t size,
+ // int flags
+ // );
+ //
+ // darwin:
+ // int setxattr(
+ // const char *path,
+ // const char *name,
+ // void *value,
+ // size_t size,
+ // u_int32_t position,
+ // int options
+ // );
+ //
+ // position specifies the offset within the extended attribute. In the
+ // current implementation, only the resource fork extended attribute makes
+ // use of this argument. For all others, position is reserved. We simply
+ // default to setting it to zero.
+ return setxattr(path, attr, xattrPointer(data), len(data), 0, flags)
+}
+
+func Lsetxattr(link string, attr string, data []byte, flags int) (err error) {
+ return setxattr(link, attr, xattrPointer(data), len(data), 0, flags|XATTR_NOFOLLOW)
+}
+
+//sys fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error)
+
+func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) {
+ return fsetxattr(fd, attr, xattrPointer(data), len(data), 0, 0)
+}
+
+//sys removexattr(path string, attr string, options int) (err error)
+
+func Removexattr(path string, attr string) (err error) {
+ // We wrap around and explicitly zero out the options provided to the OS X
+ // implementation of removexattr, we do so for interoperability with the
+ // linux variant.
+ return removexattr(path, attr, 0)
+}
+
+func Lremovexattr(link string, attr string) (err error) {
+ return removexattr(link, attr, XATTR_NOFOLLOW)
+}
+
+//sys fremovexattr(fd int, attr string, options int) (err error)
+
+func Fremovexattr(fd int, attr string) (err error) {
+ return fremovexattr(fd, attr, 0)
+}
+
+//sys listxattr(path string, dest *byte, size int, options int) (sz int, err error)
+
+func Listxattr(path string, dest []byte) (sz int, err error) {
+ return listxattr(path, xattrPointer(dest), len(dest), 0)
+}
+
+func Llistxattr(link string, dest []byte) (sz int, err error) {
+ return listxattr(link, xattrPointer(dest), len(dest), XATTR_NOFOLLOW)
+}
+
+//sys flistxattr(fd int, dest *byte, size int, options int) (sz int, err error)
+
+func Flistxattr(fd int, dest []byte) (sz int, err error) {
+ return flistxattr(fd, xattrPointer(dest), len(dest), 0)
+}
+
func setattrlistTimes(path string, times []Timespec, flags int) error {
_p0, err := BytePtrFromString(path)
if err != nil {
@@ -242,11 +337,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
return ioctl(fd, req, uintptr(value))
}
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
}
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
+func ioctlSetTermios(fd int, req uint, value *Termios) error {
return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
}
@@ -341,6 +436,7 @@ func Uname(uname *Utsname) error {
//sys Flock(fd int, how int) (err error)
//sys Fpathconf(fd int, name int) (val int, err error)
//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
//sys Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
//sys Fsync(fd int) (err error)
//sys Ftruncate(fd int, length int64) (err error)
@@ -457,14 +553,6 @@ func Uname(uname *Utsname) error {
// Watchevent
// Waitevent
// Modwatch
-// Getxattr
-// Fgetxattr
-// Setxattr
-// Fsetxattr
-// Removexattr
-// Fremovexattr
-// Listxattr
-// Flistxattr
// Fsctl
// Initgroups
// Posix_spawn