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) /* */ 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) /* */ 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 }