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authorChristopher Speller <crspeller@gmail.com>2018-06-21 13:10:40 -0700
committerHarrison Healey <harrisonmhealey@gmail.com>2018-06-21 16:10:40 -0400
commit8526739066ccb00ccd24b74650a7d7b284442985 (patch)
tree282512ae2ad95c98a9ca82de304a410b6b56685c /vendor/golang.org/x/sys/unix/syscall_darwin.go
parenta59ccaa8b3844895dde3980e6224fef46ff4a1c8 (diff)
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MM-10934 Update server dependencies. (#8981)
* Changing throttled import path. * Upgrading dependencies.
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_darwin.go')
-rw-r--r--vendor/golang.org/x/sys/unix/syscall_darwin.go86
1 files changed, 82 insertions, 4 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin.go b/vendor/golang.org/x/sys/unix/syscall_darwin.go
index 693be791c..79e94767d 100644
--- a/vendor/golang.org/x/sys/unix/syscall_darwin.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go
@@ -176,6 +176,88 @@ 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 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 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 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)
+}
+
func setattrlistTimes(path string, times []Timespec, flags int) error {
_p0, err := BytePtrFromString(path)
if err != nil {
@@ -447,13 +529,9 @@ func Uname(uname *Utsname) error {
// Watchevent
// Waitevent
// Modwatch
-// Getxattr
// Fgetxattr
-// Setxattr
// Fsetxattr
-// Removexattr
// Fremovexattr
-// Listxattr
// Flistxattr
// Fsctl
// Initgroups