On Sunday 29 April 2007 15:58:48 Roland Smith wrote: > On Sun, Apr 29, 2007 at 04:39:42PM -0400, Robert Huff wrote: > > In C code, is there a quick and dirty way to tell if a path > > points to a directory? Or do I have to open the parent directory and > > check the entry for that name?
Just open() the path, then pass the fd to getdirentries(), if it returns -1, and errno = EINVAL, it's not a directory. (man getdirentries for more info) hth... don > > Try opening the path in question for writing with open(2). If it returns > -1, and errno is EISDIR, it is a directory. > > This will be inconclusive on a read-only filesystem, or if the limit of > open file handles is reached, or for any other reason that can make > open(2) fail. > > Roland -- Don Hinton <don.hinton at vanderbilt.edu> or <hintonda at gmail.com> Institute for Software Integrated Systems (ISIS), Vanderbilt University tel: 615.480.5667 or 615.870.9728
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