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Set the default function alignment to 16 bytes in order to
get rid of some unwanted performance effects.
Please see also GCC commit "S/390: Set default function
alignment to 16." (Subversion revision 262817)
ChangeLog:
* sysdeps/s390/s390-64/sysdep.h(ENTRY): Use alignment of 16byte.
* sysdeps/s390/s390-32/sysdep.h: Likewise.
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The offset in era-string format for Taisho gan-nen (1912) is currently
defined as 2, but it should be 1. So fix it. "Gan-nen" means the 1st
(origin) year, Taisho started on July 30, 1912.
Reported-by: Morimitsu, Junji <junji.morimitsu@hpe.com>
Reviewed-by: Rafal Luzynski <digitalfreak@lingonborough.com>
ChangeLog:
[BZ #24162]
* localedata/locales/ja_JP (LC_TIME): Change the offset for Taisho
gan-nen from 2 to 1. Problem reported by Morimitsu, Junji.
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This patch adds test cases for the compatibility versions of the
functions: err, errx, verr, verrx, warn, warnx, vwarn, vwarnx (from
err.h), error, and error_at_line (from error.h), when long double has
the same format as double (-mlong-double-64).
Tested for powerpc, powerpc64 and powerpc64le.
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On platforms where long double may have the same format as double
(-mlong-double-64), error and error_at_line do not take that into
account and might produce wrong output if a long double conversion is
requested by the format string ('%Lf'). This patch adds compatibility
functions for this situation and redirects calls via header magic.
Tested for powerpc, powerpc64 and powerpc64le.
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When support for long double format with 128-bits (-mlong-double-128)
was added for platforms where long double had the same format as double,
such as powerpc, compatibility versions for the functions listed in the
commit title were missed. Since the older format of long double can
still be used (with -mlong-double-64), using these functions with a
format string that requests the printing of long double variables will
produce wrong outputs.
This patch adds the missing compatibility functions and header magic to
redirect calls to them when -mlong-double-64 is in use.
Tested for powerpc, powerpc64 and powerpc64le.
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The test case tst-ldbl-argp checks that the conversion specifier '%Lf'
correctly prints long double values with the default long double format
for a platform. This patch reuses the test case for long double with
the same format as double (-mlong-double-64).
Tested for powerpc, powerpc64 and powerpc64le.
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The functions argp_error and argp_failure are missing support for
printing long double values when long double has the same format as
double. This patch adds the new functions __nldbl_argp_error and
__nldbl_argp_failure, as well as header magic to redirect calls to them
when -mlong-double-64 is in use.
Tested for powerpc, powerpc64 and powerpc64le.
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It is possible that the link editor injects an allocated ABI tag note
before the artificial, allocated large note in the test. Note parsing
in open_verify stops when the first ABI tag note is encountered, so if
the ABI tag note comes first, the problematic code is not actually
exercised.
Also tweak the artificial note so that it is a syntactically valid
4-byte aligned note, in case the link editor tries to parse notes and
process them.
Improves the testing part of commit 0065aaaaae51cd60210ec3a7e13.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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The recent commit 81a14439417552324ec6ca71f65ddf8e7cdd51c7
has introduced __wcscpy, __GI___wcscpy and the weak alias wcscpy.
This patch also introduces those symbols if glibc is build
with CFLAGS="-march=z13" where the ifunc is omitted.
ChangeLog:
* sysdeps/s390/wcscpy-vx.S: Add strong aliases to
__wcscpy, __GI___wcscpy and weak alias to wcscpy.
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Commit a6e8926f8d49a213a9abb1a61f6af964f612ab7f ("[BZ #20271] Add
newlines in __libc_fatal calls.") missed two places that need
changing.
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This patch fixes more places where a space should have been present
before '(' in accordance with the GNU Coding Standards (as with the
previous patch, mainly for calls to sizeof).
Tested with build-many-glibcs.py.
* sysdeps/powerpc/powerpc32/dl-machine.c
(__elf_machine_fixup_plt): Use space before '('.
(__process_machine_rela): Likewise.
* sysdeps/powerpc/powerpc32/register-dump.h (register_dump):
Likewise.
* sysdeps/powerpc/powerpc64/le/fpu/sfp-machine.h (TI_BITS):
Likewise.
* sysdeps/powerpc/powerpc64/register-dump.h (register_dump):
Likewise.
* sysdeps/powerpc/test-arith.c (union_t): Likewise.
(pattern): Likewise.
(delta): Likewise.
(check_result): Likewise.
(check_excepts): Likewise.
(check_op): Likewise.
(fail_xr): Likewise.
* sysdeps/unix/alpha/sysdep.h (syscall_promote): Likewise.
* sysdeps/unix/sysv/linux/alpha/a.out.h (AOUTHSZ): Likewise.
(SCNHSZ): Likewise.
* sysdeps/unix/sysv/linux/hppa/makecontext.c (FRAME_SIZE_BYTES):
Likewise.
(ARGS): Likewise.
(__makecontext): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h (ucontext_t):
Likewise.
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The existing tests all use global symbols (but with different
visibility). Local symbols could be treated differently by the
compiler and linker (as was the case on POWER ELFv2, causing
bug 23937), and we did not have test coverage for this.
Tested on x86-64 and POWER ELFv2 little-endian, with and without
--disable-multi-arch. On POWER, the test cases elf/ifuncmain9,
elf/ifuncmain9pic, elf/ifuncmain9pie reproduce bug 23937 with older
binutils.
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We should run IFUNC tests with --disable-multi-arch if the toolchain
supports IFUNCs. For correctness, --disable-multi-arch must not
remove IFUNC support from the loader.
Tested on x86-64, x32 and i686 with and without --disable-multi-arch.
* configure.ac (have-ifunc): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* elf/Makefile: Run IFUNC tests if binutils supports IFUNC.
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
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This patch fixes the linknamespace issues add on wcscpy refactor
for powerpc-linux-gnu-power4 as shown by the tests:
FAIL: conform/POSIX/fnmatch.h/linknamespace
FAIL: conform/POSIX/glob.h/linknamespace
FAIL: conform/POSIX/wordexp.h/linknamespace
FAIL: conform/XPG4/fnmatch.h/linknamespace
FAIL: conform/XPG4/glob.h/linknamespace
FAIL: conform/XPG4/wordexp.h/linknamespace
FAIL: conform/XPG42/fnmatch.h/linknamespace
FAIL: conform/XPG42/glob.h/linknamespace
FAIL: conform/XPG42/wordexp.h/linknamespace
[initial] wordexp -> [libc.a(wordexp.o)] fnmatch -> [libc.a(fnmatch.o)] __wcscat -> [libc.a(wcscat.o)] __wcscpy -> [libc.a(wcscpy.o)] wcscpy
Checked on powerpc-linux-gnu-power4.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c: Define ifunc
symbol as __wcspcy instead of wcscpy.
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* include/stdio.h (__renameat2): New hidden prototype.
* stdio-common/renameat2.c (__renameat2): Add hidden definition.
* sysdeps/mach/hurd/renameat.c (__renameat): Move implementation to...
* sysdeps/mach/hurd/renameat2.c (__renameat2): ... new function, and
add support for RENAME_NOREPLACE.
* sysdeps/unix/sysv/linux/renameat2.c (__renameat2): Add hidden definition.
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This patch fixes -Wempty-body warnings in Hurd-specific code that show
up building glibc with -Wextra.
Note: there also such warnings on many platforms arising from the
default definition of HP_TIMING_NOW in sysdeps/generic/hp-timing.h,
but no change there is proposed in this patch because of other changes
under discussion in that area that would result in a nonempty
definition.
Tested with build-many-glibcs.py.
* hurd/hurdinit.c (_hurd_init): Use braces around empty body of an
if statement.
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This patch fixes various places where a space should have been present
before '(' in accordance with the GNU Coding Standards. Most but not
all of the fixes in this patch are for calls to sizeof (but it's not
exhaustive regarding such calls that should be fixed).
Tested for x86_64, and with build-many-glibcs.py.
* benchtests/bench-strcpy.c (do_test): Use space before '('.
* benchtests/bench-string.h (cmdline_process_function): Likewise.
* benchtests/bench-strlen.c (do_test): Likewise.
(test_main): Likewise.
* catgets/gencat.c (read_old): Likewise.
* elf/cache.c (load_aux_cache): Likewise.
* iconvdata/bug-iconv8.c (do_test): Likewise.
* math/test-tgmath-ret.c (do_test): Likewise.
* nis/nis_call.c (rec_dirsearch): Likewise.
* nis/nis_findserv.c (__nis_findfastest_with_timeout): Likewise.
* nptl/tst-audit-threads.c (do_test): Likewise.
* nptl/tst-cancel4-common.h (set_socket_buffer): Likewise.
* nss/nss_test1.c (init): Likewise.
* nss/test-netdb.c (test_hosts): Likewise.
* posix/execvpe.c (maybe_script_execute): Likewise.
* stdio-common/tst-fmemopen4.c (do_test): Likewise.
* stdio-common/tst-printf.c (do_test): Likewise.
* stdio-common/vfscanf-internal.c (__vfscanf_internal): Likewise.
* stdlib/fmtmsg.c (NKEYWORDS): Likewise.
* stdlib/qsort.c (STACK_SIZE): Likewise.
* stdlib/test-canon.c (do_test): Likewise.
* stdlib/tst-swapcontext1.c (do_test): Likewise.
* string/memcmp.c (OPSIZ): Likewise.
* string/test-strcpy.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/test-strlen.c (do_test): Likewise.
(test_main): Likewise.
* string/test-strrchr.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/tester.c (test_memrchr): Likewise.
(test_memchr): Likewise.
* sysdeps/generic/memcopy.h (OPSIZ): Likewise.
* sysdeps/generic/unwind-dw2.c (execute_stack_op): Likewise.
* sysdeps/generic/unwind-pe.h (read_sleb128): Likewise.
(read_encoded_value_with_base): Likewise.
* sysdeps/hppa/dl-machine.h (elf_machine_runtime_setup): Likewise.
* sysdeps/hppa/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/ia64/fpu/sfp-machine.h (TI_BITS): Likewise.
* sysdeps/mach/hurd/spawni.c (__spawni): Likewise.
* sysdeps/posix/spawni.c (maybe_script_execute): Likewise.
* sysdeps/powerpc/fpu/tst-setcontext-fpscr.c (query_auxv):
Likewise.
* sysdeps/unix/sysv/linux/aarch64/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/arm/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/arm/ioperm.c (init_iosys): Likewise.
* sysdeps/unix/sysv/linux/csky/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/nios2/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Likewise.
* sysdeps/unix/sysv/linux/x86/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/sigcontext.h
(FP_XSTATE_MAGIC2_SIZE): Likewise.
* sysdeps/x86/fpu/sfp-machine.h (TI_BITS): Likewise.
* time/test_time.c (main): Likewise.
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This patch rewrites wcsnlen using wmemchr. The generic wmemchr
already uses the strategy (loop unrolling and tail handling) and
by using it it allows architectures that have optimized wmemchr
(s390 and x86_64) to optimize wcsnlen as well.
Checked on x86_64-linux-gnu.
* wcsmbs/wcsnlen.c (__wcsnlen): Rewrite using wmemchr.
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This patch rewrites wcsncpy using wcsnlen, wmemset, and wmemcpy. This is
similar to the optimization done on strncpy by f6482cf29d and 6423d4754c.
Checked on x86_64-linux-gnu.
* wcsmbs/wcsncpy.c (__wcsncpy): Rewrite using wcsnlen, wmemset, and
wmemcpy.
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This patch rewrites wcsncat using wcslen, wcsnlen, and wmemcpy. This is
similar to the optimization done on strncat by 3eb38795db and e80514b5a8.
Checked on x86_64-linux-gnu.
* wcsmbs/wcsncat.c (wcsncat): Rewrite using wcslen, wcsnlen, and
wmemcpy.
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This patch rewrites wcscpy using wcslen and wmemcpy. This is similar
to the optimization done on strcpy by b863d2bc4d.
Checked on x86_64-linux-gnu.
* wcsmbs/wcscpy.c (__wcpcpy): Rewrite using wcslen and wmemcpy.
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This patch rewrites wcscat using wcslen and wcscpy. This is similar to
the optimization done on strcat by 6e46de42fe.
The strcpy changes are mainly to add the internal alias to avoid PLT
calls.
Checked on x86_64-linux-gnu and a build against the affected
architectures.
* include/wchar.h (__wcscpy): New prototype.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy-ppc32.c
(__wcscpy): Route internal symbol to generic implementation.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c (wcscpy):
Add internal __wcscpy alias.
* sysdeps/powerpc/powerpc64/multiarch/wcscpy.c (wcscpy): Likewise.
* sysdeps/s390/wcscpy.c (wcscpy): Likewise.
* sysdeps/x86_64/multiarch/wcscpy.c (wcscpy): Likewise.
* wcsmbs/wcscpy.c (wcscpy): Add
* sysdeps/x86_64/multiarch/wcscpy-c.c (WCSCPY): Adjust macro to
use generic implementation.
* wcsmbs/wcscat.c (wcscat): Rewrite using wcslen and wcscpy.
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This patch rewrites wcpncpy using wcslen, wmemcpy, and wmemset. This is
similar to the optimization done on stpncpy by 48497aba8e.
Checked on x86_64-linux-gnu.
* wcsmbs/wcpncpy.c (__wcpcpy): Rewrite using wcslen, wmemcpy, and
wmemset.
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This patch rewrites wcpcpy using wcslen and wmemcpy. This is
similar to the optimizatio done on stpcpy by f559d8cf29.
Checked on x86_64-linux-gnu and string tests on a simulated
m68k-linux-gnu.
* sysdeps/m68k/wcpcpy.c: Remove file.
* wcsmbs/wcpcpy.c (__wcpcpy): Rewrite using wcslen and wmemcpy.
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This patch continues the process of fixing coding style to break lines
before not after operators in accordance with the GNU Coding
Standards, fixing such issues in a non-exhaustive selection of sysdeps
files that had them.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/arm/sysdep.h (#if condition): Break lines before rather
than after operators.
* sysdeps/mach/hurd/fork.c (__fork): Likewise.
* sysdeps/mach/hurd/getcwd.c
(__hurd_canonicalize_directory_name_internal): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-consistent.c
(pthread_mutex_consistent): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-init.c (_pthread_mutex_init):
Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-transfer-np.c
(__pthread_mutex_transfer_np): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-unlock.c
(__pthread_mutex_unlock): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex.h (ROBUST_LOCK): Likewise.
(mtx_owned_p): Likewise.
* sysdeps/mach/hurd/htl/pt-mutexattr-getrobust.c
(pthread_mutexattr_getrobust): Likewise.
* sysdeps/mach/hurd/i386/init-first.c (init1): Likewise.
* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler):
Likewise.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/mach/hurd/jmp-unwind.c (_longjmp_unwind): Likewise.
* sysdeps/mach/hurd/kill.c (__kill): Likewise.
* sysdeps/mach/hurd/mig-reply.c (__mig_get_reply_port): Likewise.
* sysdeps/mach/hurd/ptrace.c (ptrace): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (#if condition):
Likewise.
* sysdeps/unix/sysv/linux/alpha/ioperm.c (process_cpuinfo):
Likewise.
* sysdeps/unix/sysv/linux/bits/timex.h (STA_RONLY): Likewise.
* sysdeps/unix/sysv/linux/csky/sysdep.h (#if condition): Likewise.
* sysdeps/unix/sysv/linux/generic/____longjmp_chk.c
(____longjmp_chk): Likewise.
* sysdeps/unix/sysv/linux/generic/futimesat.c (futimesat):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
(INTERNAL_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
(INTERNAL_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c
(__get_clockfreq_via_cpuinfo): Likewise.
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This patch fixes -Wimplicit-fallthrough warnings in system-specific
code that show up building glibc with -Wextra, by adding fall-through
comments, or moving existing such comments to the place required for
them to work (immediately before the case label being fallen through).
Tested with build-many-glibcs.py.
* sysdeps/i386/dl-machine.h (elf_machine_rela): Add fall-through
comments.
* sysdeps/m68k/m680x0/fpu/s_cexp_template.c (s(__cexp)): Likewise.
* sysdeps/m68k/memcopy.h (WORD_COPY_FWD): Likewise.
(WORD_COPY_BWD): Likewise.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/s390/iso-8859-1_cp037_z900.c (TR_LOOP): Likewise.
* sysdeps/mips/dl-machine.h (elf_machine_reloc): Move fall-through
comment.
* sysdeps/mips/dl-trampoline.c (__dl_runtime_resolve): Likewise.
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This patch makes further coding style fixes where code was breaking
lines after an operator, contrary to the GNU Coding Standards. As
with the previous patch, it is limited to files following a reasonable
approximation to GNU style already, and is not exhaustive; more such
issues remain to be fixed.
Tested for x86_64, and with build-many-glibcs.py.
* dirent/dirent.h [!_DIRENT_HAVE_D_NAMLEN
&& _DIRENT_HAVE_D_RECLEN] (_D_ALLOC_NAMLEN): Break lines before
rather than after operators.
* elf/cache.c (print_cache): Likewise.
* gshadow/fgetsgent_r.c (__fgetsgent_r): Likewise.
* htl/pt-getattr.c (__pthread_getattr_np): Likewise.
* hurd/hurdinit.c (_hurd_setproc): Likewise.
* hurd/hurdkill.c (_hurd_sig_post): Likewise.
* hurd/hurdlookup.c (__file_name_lookup_under): Likewise.
* hurd/hurdsig.c (_hurd_internal_post_signal): Likewise.
(reauth_proc): Likewise.
* hurd/lookup-at.c (__file_name_lookup_at): Likewise.
(__file_name_split_at): Likewise.
(__directory_name_split_at): Likewise.
* hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Likewise.
* hurd/port2fd.c (_hurd_port2fd): Likewise.
* iconv/gconv_dl.c (do_print): Likewise.
* inet/netinet/in.h (struct sockaddr_in): Likewise.
* libio/wstrops.c (_IO_wstr_seekoff): Likewise.
* locale/setlocale.c (new_composite_name): Likewise.
* malloc/memusagestat.c (main): Likewise.
* misc/fstab.c (fstab_convert): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt):
Likewise.
* nss/nss_compat/compat-grp.c (getgrent_next_nss): Likewise.
(getgrent_next_file): Likewise.
(internal_getgrnam_r): Likewise.
(internal_getgrgid_r): Likewise.
* nss/nss_compat/compat-initgroups.c (getgrent_next_nss):
Likewise.
(internal_getgrent_r): Likewise.
* nss/nss_compat/compat-pwd.c (getpwent_next_nss_netgr): Likewise.
(getpwent_next_nss): Likewise.
(getpwent_next_file): Likewise.
(internal_getpwnam_r): Likewise.
(internal_getpwuid_r): Likewise.
* nss/nss_compat/compat-spwd.c (getspent_next_nss_netgr):
Likewise.
(getspent_next_nss): Likewise.
(internal_getspnam_r): Likewise.
* pwd/fgetpwent_r.c (__fgetpwent_r): Likewise.
* shadow/fgetspent_r.c (__fgetspent_r): Likewise.
* string/strchr.c (STRCHR): Likewise.
* string/strchrnul.c (STRCHRNUL): Likewise.
* sysdeps/aarch64/fpu/fpu_control.h (_FPU_FPCR_IEEE): Likewise.
* sysdeps/aarch64/sfp-machine.h (_FP_CHOOSENAN): Likewise.
* sysdeps/csky/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/generic/memcopy.h (PAGE_COPY_FWD_MAYBE): Likewise.
* sysdeps/generic/symbol-hacks.h (__stack_chk_fail_local):
Likewise.
* sysdeps/gnu/netinet/ip_icmp.h (ICMP_INFOTYPE): Likewise.
* sysdeps/gnu/updwtmp.c (TRANSFORM_UTMP_FILE_NAME): Likewise.
* sysdeps/gnu/utmp_file.c (TRANSFORM_UTMP_FILE_NAME): Likewise.
* sysdeps/hppa/jmpbuf-unwind.h (_JMPBUF_UNWINDS): Likewise.
* sysdeps/mach/hurd/bits/stat.h (S_ISPARE): Likewise.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Likewise.
(open_file): Likewise.
* sysdeps/mach/hurd/htl/pt-mutexattr-setprotocol.c
(pthread_mutexattr_setprotocol): Likewise.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/mach/hurd/mmap.c (__mmap): Likewise.
* sysdeps/mach/hurd/ptrace.c (ptrace): Likewise.
* sysdeps/mach/hurd/spawni.c (__spawni): Likewise.
* sysdeps/microblaze/dl-machine.h (elf_machine_type_class):
Likewise.
(elf_machine_rela): Likewise.
* sysdeps/mips/mips32/sfp-machine.h (_FP_CHOOSENAN): Likewise.
* sysdeps/mips/mips64/sfp-machine.h (_FP_CHOOSENAN): Likewise.
* sysdeps/mips/sys/asm.h (multiple #if conditionals): Likewise.
* sysdeps/posix/rename.c (rename): Likewise.
* sysdeps/powerpc/novmx-sigjmp.c (__novmx__sigjmp_save): Likewise.
* sysdeps/powerpc/sigjmp.c (__vmx__sigjmp_save): Likewise.
* sysdeps/s390/fpu/fenv_libc.h (FPC_VALID_MASK): Likewise.
* sysdeps/s390/utf8-utf16-z9.c (gconv_end): Likewise.
* sysdeps/unix/grantpt.c (grantpt): Likewise.
* sysdeps/unix/sysv/linux/a.out.h (N_TXTOFF): Likewise.
* sysdeps/unix/sysv/linux/updwtmp.c (TRANSFORM_UTMP_FILE_NAME):
Likewise.
* sysdeps/unix/sysv/linux/utmp_file.c (TRANSFORM_UTMP_FILE_NAME):
Likewise.
* sysdeps/x86/cpu-features.c (get_common_indices): Likewise.
* time/tzfile.c (__tzfile_compute): Likewise.
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The GNU Coding Standards specify that line breaks in expressions
should go before an operator, not after one. This patch fixes various
code to do this. It only changes code that appears to be mostly
following GNU style anyway, not files and directories with
substantially different formatting. It is not exhaustive even for
files using GNU style (for example, changes to sysdeps files are
deferred for subsequent cleanups). Some files changed are shared with
gnulib, but most are specific to glibc. Changes were made manually,
with places to change found by grep (so some cases, e.g. where the
operator was followed by a comment at end of line, are particularly
liable to have been missed by grep, but I did include cases where the
operator was followed by backslash-newline).
This patch generally does not attempt to address other coding style
issues in the expressions changed (for example, missing spaces before
'(', or lack of parentheses to ensure indentation of continuation
lines properly reflects operator precedence).
Tested for x86_64, and with build-many-glibcs.py.
* benchtests/bench-memmem.c (simple_memmem): Break lines before
rather than after operators.
* benchtests/bench-skeleton.c (TIMESPEC_AFTER): Likewise.
* crypt/md5.c (md5_finish_ctx): Likewise.
* crypt/sha256.c (__sha256_finish_ctx): Likewise.
* crypt/sha512.c (__sha512_finish_ctx): Likewise.
* elf/cache.c (load_aux_cache): Likewise.
* elf/dl-load.c (open_verify): Likewise.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* elf/readelflib.c (process_elf_file): Likewise.
* elf/rtld.c (dl_main): Likewise.
* elf/sprof.c (generate_call_graph): Likewise.
* hurd/ctty-input.c (_hurd_ctty_input): Likewise.
* hurd/ctty-output.c (_hurd_ctty_output): Likewise.
* hurd/dtable.c (reauth_dtable): Likewise.
* hurd/getdport.c (__getdport): Likewise.
* hurd/hurd/signal.h (_hurd_interrupted_rpc_timeout): Likewise.
* hurd/hurd/sigpreempt.h (HURD_PREEMPT_SIGNAL_P): Likewise.
* hurd/hurdfault.c (_hurdsig_fault_catch_exception_raise):
Likewise.
* hurd/hurdioctl.c (fioctl): Likewise.
* hurd/hurdselect.c (_hurd_select): Likewise.
* hurd/hurdsig.c (_hurdsig_abort_rpcs): Likewise.
(STOPSIGS): Likewise.
* hurd/hurdstartup.c (_hurd_startup): Likewise.
* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Likewise.
* hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Likewise.
* hurd/msgportdemux.c (msgport_server): Likewise.
* hurd/setauth.c (_hurd_setauth): Likewise.
* include/features.h (__GLIBC_USE_DEPRECATED_SCANF): Likewise.
* libio/libioP.h [IO_DEBUG] (CHECK_FILE): Likewise.
* locale/programs/ld-ctype.c (set_class_defaults): Likewise.
* localedata/tests-mbwc/tst_swscanf.c (tst_swscanf): Likewise.
* login/tst-utmp.c (do_check): Likewise.
(simulate_login): Likewise.
* mach/lowlevellock.h (lll_lock): Likewise.
(lll_trylock): Likewise.
* math/test-fenv.c (ALL_EXC): Likewise.
* math/test-fenvinline.c (ALL_EXC): Likewise.
* misc/sys/cdefs.h (__attribute_deprecated_msg__): Likewise.
* nis/nis_call.c (__do_niscall3): Likewise.
* nis/nis_callback.c (cb_prog_1): Likewise.
* nis/nis_defaults.c (searchaccess): Likewise.
* nis/nis_findserv.c (__nis_findfastest_with_timeout): Likewise.
* nis/nis_ismember.c (internal_ismember): Likewise.
* nis/nis_local_names.c (nis_local_principal): Likewise.
* nis/nss_nis/nis-rpc.c (_nss_nis_getrpcbyname_r): Likewise.
* nis/nss_nisplus/nisplus-netgrp.c (_nss_nisplus_getnetgrent_r):
Likewise.
* nis/ypclnt.c (yp_match): Likewise.
(yp_first): Likewise.
(yp_next): Likewise.
(yp_master): Likewise.
(yp_order): Likewise.
* nscd/hstcache.c (cache_addhst): Likewise.
* nscd/initgrcache.c (addinitgroupsX): Likewise.
* nss/nss_compat/compat-pwd.c (copy_pwd_changes): Likewise.
(internal_getpwuid_r): Likewise.
* nss/nss_compat/compat-spwd.c (copy_spwd_changes): Likewise.
* posix/glob.h (__GLOB_FLAGS): Likewise.
* posix/regcomp.c (peek_token): Likewise.
(peek_token_bracket): Likewise.
(parse_expression): Likewise.
* posix/regexec.c (sift_states_iter_mb): Likewise.
(check_node_accept_bytes): Likewise.
* posix/tst-spawn3.c (do_test): Likewise.
* posix/wordexp-test.c (testit): Likewise.
* posix/wordexp.c (parse_tilde): Likewise.
(exec_comm): Likewise.
* posix/wordexp.h (__WRDE_FLAGS): Likewise.
* resource/vtimes.c (TIMEVAL_TO_VTIMES): Likewise.
* setjmp/sigjmp.c (__sigjmp_save): Likewise.
* stdio-common/printf_fp.c (__printf_fp_l): Likewise.
* stdio-common/tst-fileno.c (do_test): Likewise.
* stdio-common/vfprintf-internal.c (vfprintf): Likewise.
* stdlib/strfmon_l.c (__vstrfmon_l_internal): Likewise.
* stdlib/strtod_l.c (round_and_return): Likewise.
(____STRTOF_INTERNAL): Likewise.
* stdlib/tst-strfrom.h (TEST_STRFROM): Likewise.
* string/strcspn.c (STRCSPN): Likewise.
* string/test-memmem.c (simple_memmem): Likewise.
* termios/tcsetattr.c (tcsetattr): Likewise.
* time/alt_digit.c (_nl_parse_alt_digit): Likewise.
* time/asctime.c (asctime_internal): Likewise.
* time/strptime_l.c (__strptime_internal): Likewise.
* time/sys/time.h (timercmp): Likewise.
* time/tzfile.c (__tzfile_compute): Likewise.
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Add /etc/host.conf file with 'multi on' to tst-nss-files-hosts-long.root.
Ensures the entire file, and all long lines, need to be parsed for the
test.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Since the introduction of explicit flags in the internal implementation
of the printf family of functions, the 'mode' parameter can be used to
select which format long double parameters have (with the mode flag:
PRINTF_LDBL_IS_DBL). This patch uses this feature in the implementation
of some functions in argp.h, err.h, and error.h (only those that take a
format string and positional parameters). Future patches will add
support for 'nldbl' and 'ieee128' versions of these functions.
Tested for powerpc64le and x86_64.
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The configure fragment for powerpc64le contains a test for the presence
of several compiler builtins and of the __float128 type, which are
provided by GCC 6.2 for powerpc64le. Since this configure test was
added, the compiler version required to build glibc for powerpc64le was
different than that required for the other architectures.
Now that glibc requires GCC 6.2 globally (since commit ID 4dcbbc3b28aa),
this patch removes the powerpc64le-specific test.
Even tough the configure test checks for compiler features rather than
compiler version, the intent of the test was to stop build attempts at
early stages, if they had been configured with a too old compiler. It
was not the intention of the test to detect compiler breakage (such as
the removal of the required compiler features in future GCC versions),
and glibc is not the place to test for compiler regressions, anyway.
Tested for powerpc64le with GCC 6.2 (built with build-many-glibcs.py).
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
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In pthread_tryjoin if pd->tid == 0 then we will not block on a
futex operation because we will immediately see the join is already
complete and return. The comment is fixed to reflect that.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
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