root/maint/gnulib/lib/openat-die.c

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DEFINITIONS

This source file includes following definitions.
  1. openat_save_fail
  2. openat_restore_fail

   1 /* Report a save- or restore-cwd failure in our openat replacement and then exit.
   2 
   3    Copyright (C) 2005-2006, 2008-2021 Free Software Foundation, Inc.
   4 
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9 
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14 
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17 
  18 #include <config.h>
  19 
  20 #include "openat.h"
  21 
  22 #include <stdlib.h>
  23 
  24 #ifndef GNULIB_LIBPOSIX
  25 # include "error.h"
  26 #endif
  27 
  28 #include "exitfail.h"
  29 
  30 #include "gettext.h"
  31 #define _(msgid) gettext (msgid)
  32 
  33 _Noreturn void
  34 openat_save_fail (int errnum)
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  35 {
  36 #ifndef GNULIB_LIBPOSIX
  37   error (exit_failure, errnum,
  38          _("unable to record current working directory"));
  39 #endif
  40   /* _Noreturn cannot be applied to error, since it returns
  41      when its first argument is 0.  To help compilers understand that this
  42      function does not return, call abort.  Also, the abort is a
  43      safety feature if exit_failure is 0 (which shouldn't happen).  */
  44   abort ();
  45 }
  46 
  47 
  48 /* Exit with an error about failure to restore the working directory
  49    during an openat emulation.  The caller must ensure that fd 2 is
  50    not a just-opened fd, even when openat_safer is not in use.  */
  51 
  52 _Noreturn void
  53 openat_restore_fail (int errnum)
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  54 {
  55 #ifndef GNULIB_LIBPOSIX
  56   error (exit_failure, errnum,
  57          _("failed to return to initial working directory"));
  58 #endif
  59 
  60   /* As above.  */
  61   abort ();
  62 }

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