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kc3-lang/gnulib/modules/openat

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  • Author : Paul Eggert
    Date : 2017-08-14 13:04:46
    Hash : 990fa9d5
    Message : open: support O_CLOEXEC * NEWS, doc/posix-functions/open.texi: * doc/posix-functions/openat.texi: Document this. * lib/fcntl.in.h (O_CLOEXEC): Default to a nonzero value. (GNULIB_defined_O_CLOEXEC): New symbol. * lib/open.c: Include cloexec.h. (open): Support O_CLOEXEC. * lib/openat.c: Include cloexec.h. (rpl_openat): Support O_CLOEXEC. * lib/popen-safer.c: Do not include cloexec.h. (open_noinherit): Remove. (popen_safer): Use O_CLOEXEC instead of set_cloexec_flag. * lib/save-cwd.c: Do not include cloexec.h. (save_cwd): Use O_CLOEXEC instead of set_cloexec_flag. * m4/open-cloexec.m4: New file. * m4/open.m4 (gl_FUNC_OPEN): Require gl_PREPROC_O_CLOEXEC. Replace 'open' if O_CLOEXEC is not present. * m4/openat.m4 (gl_FUNC_OPENAT): Require gl_PREPROC_O_CLOEXEC. Replace 'openat' if O_CLOEXEC is not present. * modules/freopen (Depends-on): Depend on 'open' if replacing freopen. * modules/open (Files): Add m4/open-cloexec.m4. (Depends-on): Depend on cloexec if replacing 'open'. * modules/openat (Files): Add m4/open-cloexec.m4. (Depends-on): Depend on cloexec if replacing openat. * modules/popen-safer (Depends-on): Remove cloexec. * modules/save-cwd (Depends-on): Remove cloexec, and add fd-safer-flag and 'open'.

  • modules/openat 
  • Description:
openat() function: Open a file at a directory.

Files:
lib/openat.c
m4/openat.m4
m4/open-cloexec.m4
m4/lstat.m4
m4/mode_t.m4

Depends-on:
fcntl-h
extensions
largefile
openat-h        [test $HAVE_OPENAT = 0 || test $REPLACE_OPENAT = 1]
stdbool         [test $HAVE_OPENAT = 0 || test $REPLACE_OPENAT = 1]
sys_stat        [test $HAVE_OPENAT = 0 || test $REPLACE_OPENAT = 1]
cloexec         [test $REPLACE_OPENAT = 1]
fstat           [test $REPLACE_OPENAT = 1]
at-internal     [test $HAVE_OPENAT = 0]
dosname         [test $HAVE_OPENAT = 0]
errno           [test $HAVE_OPENAT = 0]
fchdir          [test $HAVE_OPENAT = 0]
open            [test $HAVE_OPENAT = 0]
openat-die      [test $HAVE_OPENAT = 0]
save-cwd        [test $HAVE_OPENAT = 0]

configure.ac:
gl_FUNC_OPENAT
if test $HAVE_OPENAT = 0 || test $REPLACE_OPENAT = 1; then
  AC_LIBOBJ([openat])
  gl_PREREQ_OPENAT
fi
gl_MODULE_INDICATOR([openat]) dnl for lib/getcwd.c
gl_FCNTL_MODULE_INDICATOR([openat])

Makefile.am:

Include:
<fcntl.h>

License:
GPL

Maintainer:
Jim Meyering, Eric Blake