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| -rw-r--r-- | Lib/posixpath.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Lib/posixpath.py b/Lib/posixpath.py index 456743c..7c13458 100644 --- a/Lib/posixpath.py +++ b/Lib/posixpath.py @@ -100,6 +100,34 @@ def islink(path): return stat.S_ISLNK(st[stat.ST_MODE]) +# Are two filenames really pointing to the same file? +# +def samefile(f1, f2): + s1 = posix.stat(f1) + s2 = posix.stat(f2) + return samestat(s1, s2) + + +# Are two open files really referencing the same file? +# (Not necessarily the same file descriptor!) +# XXX Oops, posix.fstat() doesn't exist yet! +# +def sameopenfile(fp1, fp2): + s1 = posix.fstat(fp1) + s2 = posix.fstat(fp2) + return samestat(s1, s2) + + +# Are two stat buffers (obtained from stat, fstat or lstat) +# describing the same file? +# +def samestat(s1, s2): + return s1[stat.ST_INO] = s2[stat.ST_INO] and \ + s1[stat.ST_DEV] = s2[stat.STD_DEV] + + +# Subroutine and global data used by ismount(). + _mounts = [] def _getmounts(): |