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5df4cba632
This is mostly to get this commit from gnulib:
e22cd2677a4b7beacbf30b93bb0559f7b89f96ce
Add ‘extern "C"’ to count-one-bits.h etc.
... which fixes this compilation problem I observed with clang++:
CXXLD gdb
arch/arm-get-next-pcs.o:arm-get-next-pcs.c:function thumb_get_next_pcs_raw(arm_get_next_pcs*): error: undefined reference to 'count_one_bits(unsigned int)'
<more such undefined references>
I built-tested on GNU/Linux x86-64 (gcc-9 and clang-9) as well as with the
x86_64-w64-mingw32-gcc cross-compiler.
gnulib/ChangeLog:
* update-gnulib.sh (GNULIB_COMMIT_SHA1): Bump to
e22cd2677a4b7beacbf30b93bb0559f7b89f96ce.
* Makefile.in, config.in, configure, import/*: Re-generate.
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/* Report a save- or restore-cwd failure in our openat replacement and then exit.
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Copyright (C) 2005-2006, 2008-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include "openat.h"
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#include <stdlib.h>
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#ifndef GNULIB_LIBPOSIX
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# include "error.h"
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#endif
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#include "exitfail.h"
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#include "gettext.h"
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#define _(msgid) gettext (msgid)
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_Noreturn void
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openat_save_fail (int errnum)
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{
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#ifndef GNULIB_LIBPOSIX
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error (exit_failure, errnum,
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_("unable to record current working directory"));
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#endif
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/* _Noreturn cannot be applied to error, since it returns
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when its first argument is 0. To help compilers understand that this
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function does not return, call abort. Also, the abort is a
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safety feature if exit_failure is 0 (which shouldn't happen). */
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abort ();
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}
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/* Exit with an error about failure to restore the working directory
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during an openat emulation. The caller must ensure that fd 2 is
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not a just-opened fd, even when openat_safer is not in use. */
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_Noreturn void
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openat_restore_fail (int errnum)
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{
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#ifndef GNULIB_LIBPOSIX
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error (exit_failure, errnum,
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_("failed to return to initial working directory"));
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#endif
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/* As above. */
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abort ();
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}
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