kc3-lang/gnulib/modules/popen-safer

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• Hash : 990fa9d5
  Author :
  Date : 2017-08-14T13:04:46
  

  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'.
  

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• modules/popen-safer

• Description:
  popen function that avoids clobbering std{in,out,err}.
  
  Files:
  lib/stdio--.h
  lib/stdio-safer.h
  lib/popen-safer.c
  
  Depends-on:
  open
  popen
  unistd-safer
  
  configure.ac:
  gl_MODULE_INDICATOR([popen-safer])
  
  Makefile.am:
  lib_SOURCES += popen-safer.c
  
  Include:
  "stdio-safer.h"
  
  License:
  GPL
  
  Maintainer:
  Eric Blake
  

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