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(dirchownmod): New arg FD. All callers changed.
Use FD rather than opening the directory ourself, as opening is
now the caller's responsibility.
* lib/dirchownmod.h: Likewise.
* lib/mkancesdirs.c: Include <sys/types.h>, for portability to older
hosts that require <sys/types.h> before <sys/stat.h>. Include
fcntl.h, savewd.h, and unistd.h, not dirname.h and stat-macros.h.
(test_dir): Remove.
(mkancesdirs): Return length of prefix of FILE that has already
been made, or -2 if there is a child doing the work. Redo
algorithm so that it is O(N) rather than O(N**2). Optimize away
".", and treat ".." specially since it might stray back into
already-created areas. Use a subprocess if necessary. New arg
WD; all users changed. MAKE_DIR function should now return 1
if it creates a directory that is not readable. Return -2 if
a child process is spun off.
* lib/mkancesdirs.h: Include <stddef.h>, for ptrdiff_t.
Adjust signature to match code.
* lib/mkdir-p.c: Include dirname.h, for IS_ABSOLUTE_FILE_NAME.
(make_dir_parents): Use a subprocess if necessary. New arg WD;
all users changed.
* lib/savewd.c, lib/savewd.h: New files.
* m4/savewd.m4: New file.
* modules/mkancesdirs (Depends-on): Add fcntl.
* modules/savewd: New file.
* MODULES.html.sh (File system functions): Add savewd.
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* MODULES.html.sh: Add mkancestors.
* modules/mkancesdirs: New module.
* modules/mkdir-p (Files): Remove lib/chdir-safer.c, lib/chdir-safer.h,
lib/same-inode.h, m4/afs.m4, m4/chdir-safer.m4.
The chdir-safer and afs files are now orphans; I'll remove them
unless someone speaks up.
Add lib/dirchownmod.c, lib/dirchownmod.h.
(Depends-on): Remove alloca, chown, save-cwd, dirname.
Add lchown, mkancesdirs.
(Maintainer): Add self.
* lib/dirchownmod.c, lib/dirchownmod.h:
* lib/mkancesdirs.c, lib/mkancesdirs.h: New files.
* lib/mkdir-p.c: Don't include alloca.h, stdio.h, sys/types.h,
unistd.h, string.h, chdir-safer.h, dirname.h, lchmod.h, lchown.h,
save-cwd.h. Instead, include dirchownmod.h and mkancesdirs.h.
(make_dir_parents): New args MAKE_ANCESTOR, OPTIONS, ANNOUNCE,
MODE_BITS. Remove options VERBOSE_FMT_STRING, CWD_ERRNO. All
callers changed. Revamp internals significantly, by not
attempting to create directories that are temporarily more
permissive than the final results. Do not attempt to use
save_cwd/restore_cwd; it isn't worth it for mkdir and install.
This removes some race conditions, fixes some bugs, and simplifies
things. Use new dirchownmod function to do owner and mode changes.
* lib/mkdir-p.h: Likewise.
* lib/modechange.c (octal_to_mode): New function.
(struct mode_change): New member mentioned.
(make_node_op_equals): New arg mentioned. All callers changed.
(mode_compile): Keep track of which mode bits the user has explicitly
mentioned.
(mode_adjust): New arg DIR, so that we implement the X op correctly.
New arg PMODE_BITS, to keep track of which mode bits the user
mentioned; it treats S_ISUID and S_ISGID speciall.
All callers changed.
* lib/modechange.h: Likewise.
* mkancesdirs.m4: New file.
* mkdir-p.m4 (gl_MKDIR_PARENTS): Mention dirchownmod.c, dirchownmod.h.
Don't require AC_FUNC_ALLOCA, gl_AFS, gl_CHDIR_SAFER; no longer needed.
Require gl_FUNC_LCHOWN, since dirchownmod.c needs it.
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