fdopendir: split into its own module * lib/openat.c (fdopendir): Move... * lib/fdopendir.c: ...into new file. * modules/fdopendir: New module. * m4/fdopendir.m4 (gl_FUNC_FDOPENDIR): New file. * modules/openat (Depends-on): Add fdopendir. * m4/openat.m4 (gl_FUNC_OPENAT): No longer need to check for fdopendir here. * modules/savedir (Depends-on): Only need fdopendir, not full openat. * lib/savedir.c (include): Use <dirent.h>, not "openat.h". * lib/openat.h (fdopendir): Drop prototype. * lib/dirent.in.h (fdopendir): Provide prototype. * m4/dirent_h.m4 (gl_DIRENT_H_DEFAULTS): Add replacements. * modules/dirent (Makefile.am): Substitute them. * MODULES.html.sh (File system functions): Mention it. * doc/posix-functions/fdopendir.texi (fdopendir): Likewise. * modules/fdopendir-tests: New file. * tests/test-fdopendir.c: Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>

Description:
Return the entries of a directory (just the names) as an argz string.

Files:
lib/savedir.h
lib/savedir.c
m4/savedir.m4

Depends-on:
fdopendir
xalloc

configure.ac:
gl_SAVEDIR

Makefile.am:

Include:
"savedir.h"

License:
GPL

Maintainer:
Jim Meyering