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Set errno for mkdirp() called with NULL path ptr

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If mkdirp() is called with a NULL ptr for the path arg, it will return
-1 with errno unchanged.  This is unexpected since on error it should
return -1 and set errno to one of the error values listed for mkdir(2).

This commit sets errno = ENOENT for this NULL ptr case.  This is in
accordance with the errors specified by mkdir(2):

  ENOENT
  A component of the path prefix does not exist or is a null pathname.

Signed-off-by: Chris Dunlap <cdunlap@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #2248
This commit is contained in:
Chris Dunlap 2014-04-08 15:31:11 -07:00 committed by Brian Behlendorf
parent cc9ee13e1a
commit 7368eb621e
1 changed files with 3 additions and 1 deletions
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4
lib/libspl/mkdirp.c
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@ -146,8 +146,10 @@ simplify(const char *str)
* bail out if there is nothing there.
*/
if (!str)
if (!str) {
errno = ENOENT;
return (NULL);
}
/*
* Get a copy of the argument.