diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_dragonfly.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_dragonfly.go | 64 |
1 files changed, 25 insertions, 39 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go index 7e0210f..fbbe0dc 100644 --- a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go +++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go @@ -1,8 +1,8 @@ -// Copyright 2009 The Go Authors. All rights reserved. +// Copyright 2009,2010 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. -// DragonFly BSD system calls. +// FreeBSD system calls. // This file is compiled as ordinary Go code, // but it is also input to mksyscall, // which parses the //sys lines and generates system call stubs. @@ -34,7 +34,7 @@ func nametomib(name string) (mib []_C_int, err error) { // NOTE(rsc): It seems strange to set the buffer to have // size CTL_MAXNAME+2 but use only CTL_MAXNAME - // as the size. I don't know why the +2 is here, but the + // as the size. I don't know why the +2 is here, but the // kernel uses +2 for its own implementation of this function. // I am scared that if we don't include the +2 here, the kernel // will silently write 2 words farther than we specify @@ -56,20 +56,29 @@ 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{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) -} - -func direntReclen(buf []byte) (uint64, bool) { - namlen, ok := direntNamlen(buf) - if !ok { - return 0, false +// ParseDirent parses up to max directory entries in buf, +// appending the names to names. It returns the number +// bytes consumed from buf, the number of entries added +// to names, and the new names slice. +func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { + origlen := len(buf) + for max != 0 && len(buf) > 0 { + dirent := (*Dirent)(unsafe.Pointer(&buf[0])) + reclen := int(16+dirent.Namlen+1+7) & ^7 + buf = buf[reclen:] + if dirent.Fileno == 0 { // File absent in directory. + continue + } + bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) + var name = string(bytes[0:dirent.Namlen]) + if name == "." || name == ".." { // Useless names + continue + } + max-- + count++ + names = append(names, name) } - return (16 + namlen + 1 + 7) &^ 7, true -} - -func direntNamlen(buf []byte) (uint64, bool) { - return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) + return origlen - len(buf), count, names } //sysnb pipe() (r int, w int, err error) @@ -92,24 +101,6 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) { return extpwrite(fd, p, 0, offset) } -func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) { - var rsa RawSockaddrAny - var len _Socklen = SizeofSockaddrAny - nfd, err = accept4(fd, &rsa, &len, flags) - if err != nil { - return - } - if len > SizeofSockaddrAny { - panic("RawSockaddrAny too small") - } - sa, err = anyToSockaddr(&rsa) - if err != nil { - Close(nfd) - nfd = 0 - } - return -} - func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { var _p0 unsafe.Pointer var bufsize uintptr @@ -217,7 +208,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { //sys munmap(addr uintptr, length uintptr) (err 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 accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) /* * Unimplemented @@ -253,8 +243,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { // Kdebug_trace // Sigreturn // Mmap -// Mlock -// Munlock // Atsocket // Kqueue_from_portset_np // Kqueue_portset @@ -347,8 +335,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { // Lio_listio // __pthread_cond_wait // Iopolicysys -// Mlockall -// Munlockall // __pthread_kill // __pthread_sigmask // __sigwait |