mirror of git://gcc.gnu.org/git/gcc.git
30 lines
938 B
Go
30 lines
938 B
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// GNU/Linux version of UtimesNano.
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package syscall
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import "unsafe"
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//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
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//utimensat(dirfd _C_int, path *byte, times *[2]Timespec, flags _C_int) _C_int
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func UtimesNano(path string, ts []Timespec) (err error) {
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if len(ts) != 2 {
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return EINVAL
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}
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err = utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
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if err != ENOSYS {
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return err
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}
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// If the utimensat syscall isn't available (utimensat was added to Linux
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// in 2.6.22, Released, 8 July 2007) then fall back to utimes
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var tv [2]Timeval
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for i := 0; i < 2; i++ {
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tv[i].Sec = Timeval_sec_t(ts[i].Sec)
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tv[i].Usec = Timeval_usec_t(ts[i].Nsec / 1000)
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}
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return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
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}
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