DT_WHTD is gone

changes for whiteouts and union filesystem

ANSI C cleanups

Fix obscure bug where the working directory would not be restored to its
proper place (occurs if one of fts_open()'s arguments is a relative path
to a empty directory).
From: conklin@ngai.kaleida.com

Fix obscure bug where the working directory would not be restored to its
proper place (occurs if one of fts_open()'s arguments is a relative path
to a empty directory).
From: conklin@ngai.kaleida.com (J.T. Conklin)

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don't increment a void *, it's not healthy

4.4BSD snapshot (revision 8.1); add 1993 to copyright

check file type on new file systems, eliminate more stat calls

if reach the root directory, have to cd to the original directory
when load the paths for the next root. test case is "du d1/d1d1 d2/d2d1",
the second root will not be in the right directory.

have to set maxlen before allocate the path, have to use the path
before calculate maxlen; do two passes through argv.

fix allocated stat structure alignment

set no chdir bit no matter where fts_build called from

don't chdir after unexecutable directory

don't close fts_rfd if can't get back, fts_close will try again

don't bother to cd if didn't successfully build the child (not a bug
but not necessary); check FTS_NOCHDIR on up-to-parent FCHDIR; don't close the
file descriptor on successful return to root directo

don't bother to cd if didn't successfully build the child (not a bug
but not necessary); check FTS_NOCHDIR on up-to-parent FCHDIR; don't close the
file descriptor on successful return to root directory; set FTS_DP in fts_build

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fix post-order visit to empty directories to not close fts_rfd
save errno across close of failed chdir's; set FTS_DP in fts_read, not
fts_build

Made fts_pointer and fts_number fields separate fields.

add FTS_NAMEONLY flag to fts_children; check options for validity

align the allocated stat structure correctly

add FTS_COMFOLLOW flag

fix FTS_FOLLOW so fts can actually return; add flags to FTS struct for
symbolic link follow and chdir errors; close symbolic link file descriptors;
nlink and cderror fixes in fts_build to make ls wor

fix FTS_FOLLOW so fts can actually return; add flags to FTS struct for
symbolic link follow and chdir errors; close symbolic link file descriptors;
nlink and cderror fixes in fts_build to make ls work; link directories in
forward order for ls -f; minor fixes

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rework errno processing to be more consistent and to set in the correct
node; don't chdir back up if unable to chdir down; preserve the cd error
value to set in each node of the directory that is read

see accpath, used by fts_stat

adjust tree pointers when realloc space; add FTS_DOT; don't allocate
stat structures unless user needs them;

set errno on FTS_DNR

fts_children needs to return user's logical hierarchy;
change fts_cderr to fts_errno; change fts_children to recognize call before
fts_read called; change fts_stat to set fts_errno on error