github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libgo/go/os/stat.go (about)

     1  // Copyright 2009 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package os
     6  
     7  import (
     8  	"syscall"
     9  	"time"
    10  )
    11  
    12  func sameFile(fs1, fs2 *fileStat) bool {
    13  	stat1 := fs1.sys.(*syscall.Stat_t)
    14  	stat2 := fs2.sys.(*syscall.Stat_t)
    15  	return stat1.Dev == stat2.Dev && stat1.Ino == stat2.Ino
    16  }
    17  
    18  func fileInfoFromStat(st *syscall.Stat_t, name string) FileInfo {
    19  	fs := &fileStat{
    20  		name:    basename(name),
    21  		size:    int64(st.Size),
    22  		modTime: timespecToTime(st.Mtim),
    23  		sys:     st,
    24  	}
    25  	fs.mode = FileMode(st.Mode & 0777)
    26  	switch st.Mode & syscall.S_IFMT {
    27  	case syscall.S_IFBLK, syscall.S_IFCHR:
    28  		fs.mode |= ModeDevice
    29  	case syscall.S_IFDIR:
    30  		fs.mode |= ModeDir
    31  	case syscall.S_IFIFO:
    32  		fs.mode |= ModeNamedPipe
    33  	case syscall.S_IFLNK:
    34  		fs.mode |= ModeSymlink
    35  	case syscall.S_IFREG:
    36  		// nothing to do
    37  	case syscall.S_IFSOCK:
    38  		fs.mode |= ModeSocket
    39  	}
    40  	if st.Mode&syscall.S_ISGID != 0 {
    41  		fs.mode |= ModeSetgid
    42  	}
    43  	if st.Mode&syscall.S_ISUID != 0 {
    44  		fs.mode |= ModeSetuid
    45  	}
    46  	return fs
    47  }
    48  
    49  func timespecToTime(ts syscall.Timespec) time.Time {
    50  	return time.Unix(int64(ts.Sec), int64(ts.Nsec))
    51  }
    52  
    53  // For testing.
    54  func atime(fi FileInfo) time.Time {
    55  	return timespecToTime(fi.Sys().(*syscall.Stat_t).Atim)
    56  }