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- // 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.
- package syscall
- import (
- "sync"
- "unsafe"
- )
- const (
- _SYS_FSTAT_FREEBSD12 = 551 // { int fstat(int fd, _Out_ struct stat *sb); }
- _SYS_FSTATAT_FREEBSD12 = 552 // { int fstatat(int fd, _In_z_ char *path, _Out_ struct stat *buf, int flag); }
- _SYS_GETDIRENTRIES_FREEBSD12 = 554 // { ssize_t getdirentries(int fd, _Out_writes_bytes_(count) char *buf, size_t count, _Out_ off_t *basep); }
- _SYS_STATFS_FREEBSD12 = 555 // { int statfs(_In_z_ char *path, _Out_ struct statfs *buf); }
- _SYS_FSTATFS_FREEBSD12 = 556 // { int fstatfs(int fd, _Out_ struct statfs *buf); }
- _SYS_GETFSSTAT_FREEBSD12 = 557 // { int getfsstat(_Out_writes_bytes_opt_(bufsize) struct statfs *buf, long bufsize, int mode); }
- _SYS_MKNODAT_FREEBSD12 = 559 // { int mknodat(int fd, _In_z_ char *path, mode_t mode, dev_t dev); }
- )
- // See https://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/versions.html.
- var (
- osreldateOnce sync.Once
- osreldate uint32
- )
- // INO64_FIRST from /usr/src/lib/libc/sys/compat-ino64.h
- const _ino64First = 1200031
- func supportsABI(ver uint32) bool {
- osreldateOnce.Do(func() { osreldate, _ = SysctlUint32("kern.osreldate") })
- return osreldate >= ver
- }
- func direntIno(buf []byte) (uint64, bool) {
- return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
- }
- 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))
- }
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