581c785bf3
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
/* Macros for copying by pages; used in memcpy, memmove. Mach version.
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Copyright (C) 1995-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <mach.h>
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/* Threshold at which vm_copy is more efficient than well-optimized copying
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by words. */
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#define PAGE_COPY_THRESHOLD (16384)
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#define PAGE_SIZE __vm_page_size
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#define PAGE_COPY_FWD(dstp, srcp, nbytes_left, nbytes) \
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((nbytes_left) = ((nbytes) \
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- (__vm_copy (__mach_task_self (), \
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(vm_address_t) srcp, trunc_page (nbytes), \
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(vm_address_t) dstp) == KERN_SUCCESS \
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? trunc_page (nbytes) \
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: 0)))
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