Ulrich Drepper [Thu, 28 Nov 2002 05:23:05 +0000 (05:23 +0000)]
Update.
2002-11-27 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysdep.h (ASMFMT_2): Fix typo in
first parameters constraint string.
(ASMFMT_3): Likewise. Patch by stefan.lauterbach@mincom.de.
Ulrich Drepper [Thu, 28 Nov 2002 00:53:12 +0000 (00:53 +0000)]
Update.
* sysdeps/x86_64/pthreaddef.h: New file.
* sysdeps/i386/pthreaddef.h (gettid): Removed.
* sysdeps/x86_64/pthread_spin_init.c: New file.
* sysdeps/x86_64/pthread_spin_lock.c: New file.
* sysdeps/x86_64/pthread_spin_trylock.c: New file.
* sysdeps/x86_64/pthread_spin_unlock.c: New file.
* tst-spin2.c (main): Also check successful trylock call.
* sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Use correct
syscall. Fix typo in case INTERNAL_SYSCALL is not used.
* sysdeps/i386/pthread_spin_destroy.c: Moved to...
* sysdeps/pthread/pthread_spin_destroy.c: ...here. New file.
* sysdeps/i386/pthread_sigmask.c: Removed. Use the generic code.
* sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Return correct
value in case of an error. Add support for INTERNAL_SYSCALL.
Ulrich Drepper [Wed, 27 Nov 2002 23:00:16 +0000 (23:00 +0000)]
Update.
2002-11-27 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (parse_expression): Set the bit since the back
reference is used in the regular expression.
* posix/regex_internal.c (re_node_set_init_1): Make it clean in case
of malloc failure.
(re_node_set_init_copy): Likewise.
* posix/regex_internal.h (state_array_t): New structure.
(re_sub_match_last_t): Likewise.
(re_sub_match_top_t): Likewise.
(re_match_context_t): Add new members.
(re_dfa_t): Likewise.
* posix/regexec.c (re_search_internal): Invoke prune_impossible_nodes
to check the matching is really correct, and retry if failed.
Move the routin pruning the impossible nodes from here, ...
(prune_impossible_nodes): To this function.
(check_matching): Invoke check_subexp_matching_top, and replace
redundant checking with transit_state_bkref invocation.
(proceed_next_node): Replace strncmp with memcmp. Reported by
Paolo Bonzini <bonzini@gnu.org>.
(update_cur_sifted_state): Remove search_subexp invocation.
(search_subexp): Remove this function.
(check_dst_limits_calc_pos): Use search_cur_bkref_entry for
optimization.
(sift_states_bkref): Use search_cur_bkref_entry for optimization.
Remove unused invocation of match_ctx_add_entry.
(transit_state): Invoke check_subexp_matching_top.
(check_subexp_matching_top): New function.
(transit_state_bkref): Remove unused array.
Merge transit_state_bkref_loop.
(transit_state_bkref_loop): Use get_subexp instead of
sift_states_backward. Use search_cur_bkref_entry for optimization.
Merge this function to transit_state_bkref.
(get_subexp): New function.
(get_subexp_sub): Likewise.
(find_subexp_node): Likewise.
(check_arrival): Likewise.
(check_arrival_expand_ecl): Likewise.
(check_arrival_expand_ecl_sub): Likewise.
(expand_bkref_cache): Likewise.
(match_ctx_init): Initialize new members.
(match_ctx_clean): New function.
(match_ctx_free): Release new members.
(match_ctx_free_subtops): New function.
(match_ctx_add_entry): Fix indent.
(search_cur_bkref_entry): New function.
(match_ctx_add_subtop): Likewise.
(match_ctx_add_sublast): Likewise.
Ulrich Drepper [Wed, 27 Nov 2002 07:09:18 +0000 (07:09 +0000)]
Update.
* sysdeps/i386/tls.h (THREAD_GETMEM_NC): Change interface. It now
takes the array member name and the index as parameters.
(THREAD_SETMEM_NC): Likewise.
* pthread_getspecific.c: Use new THREAD_GETMEM_NC interface.
* pthread_setspecific.c: Use new THREAD_GETMEM_NC and THREAD_SETMEM_NC
interfaces.
* sysdeps/i386/tls.h (THREAD_SETMEM): Use size of member element
to decide which code to use.
(THREAD_SETMEM_NC): Likewise.
Ulrich Drepper [Tue, 26 Nov 2002 22:50:54 +0000 (22:50 +0000)]
Initial revision
2002-11-26 Ulrich Drepper <drepper@redhat.com>
* allocatestack.c (queue_stack): Don't remove stack from list here.
Do it in the caller. Correct condition to prematurely terminate
loop to free stacks.
(__deallocate_stack): Remove stack from list here.
2002-11-26 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-stack1.
* tst-stack1.c: New file.
* allocatestack.c (allocate_stack): Initialize the TCB on a user
provided stack.
* pthread_attr_getstack.c: Return bottom of the thread area.
2002-11-25 Ulrich Drepper <drepper@redhat.com>
* Makefile (libpthread-routines): Add pt-allocrtsig and
pthread_kill_other_threads.
* pt-allocrtsig.c: New file.
* pthread_kill_other_threads.c: New file.
* sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for
all three functions.
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
allocrtsig.
* sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export
__libc_current_sigrtmin_private, __libc_current_sigrtmax_private,
and __libc_allocate_rtsig_private.
* Versions (libpthread): Export pthread_kill_other_threads_np,
__libc_current_sigrtmin, and __libc_current_sigrtmax.
2002-11-24 Ulrich Drepper <drepper@redhat.com>
* allocatestack.c (allocate_stack): stackaddr in attribute points to
the end of the stack. Adjust computations.
When mprotect call fails dequeue stack and free it.
* pthread_attr_setstack.c: Store top of the stack in stackaddr
attribute.
* pthread_getattr_np.c: Likewise.
* descr.h (IS_DETACHED): Add some more parenthesis to prevent
surprises.
2002-11-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/pthread.h (pthread_self): __THROW must come before
attribute definitions. Patch by Luca Barbieri <ldb@ldb.ods.org>.
2002-11-22 Ulrich Drepper <drepper@redhat.com>
* pthread_getspecific.c: Optimize access to first 2nd-level array.
* pthread_setspecific.c: Likewise.
2002-11-21 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags
definitions. Get them from the official place.
* sysdeps/unix/sysv/linux/i386/fork.c: Likewise.
* sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags.
Use new CLONE_ flags in clone() calls.
* sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork.
* sysdeps/unix/sysv/linux/i386/fork.c: New file.
* Versions: Add pthread_* functions for libc.
* forward.c: New file.
* sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add
errno-loc.
* herrno.c: New file.
* res.c: New file.
* Makefile (libpthread-routines): Remove sem_post, sem_wait,
sem_trywait, and sem_timedwait. Add herrno and res.
* sem_init.c: Don't initialize lock and waiters members.
* sem_open.c: Likewise.
* sem_post.c: Removed.
* sem_wait.c: Removed.
* sem_trywait.c: Removed.
* sem_timedwait.c: Removed.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite.
Includes full implementations of sem_post, sem_wait, sem_trywait,
and sem_timedwait.
* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust
for new implementation.
* sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock
and waiters fields.
* init.c (__pthread_initialize_minimal): Use set_tid_address syscall
to tell the kernel about the termination futex and to initialize tid
member. Don't initialize main_thread.
* descr.h (struct pthread): Remove main_thread member.
* cancelllation.c (__do_cancel): Remove code handling main thread.
The main thread is not special anymore.
* allocatestack.c (__reclaim_stacks): Mark stacks as unused. Add
size of the stacks to stack_cache_actsize.
* Makefile (tests): Add tst-key1, tst-key2, tst-key3.
* tst-key1.c: New file.
* tst-key2.c: New file.
* tst-key3.c: New file.
* Versions: Export pthread_detach for version GLIBC_2.0.
Reported by Saurabh Desai <sdesai@austin.ibm.com>.
2002-11-08 Ulrich Drepper <drepper@redhat.com>
* pthread_key_create.c: Terminate search after an unused key was found.
Patch by Luca Barbieri <ldb@ldb.ods.org>.
* sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero.
Patch by Luca Barbieri <ldb@ldb.ods.org>.
2002-10-10 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic
dynamic lookup for errno in PIC.
* allocatestack.c (get_cached_stack): Rearrange code slightly to
release the stack lock as soon as possible.
Call _dl_allocate_tls_init for TCB from the cache to re-initialize
the static TLS block.
(allocate_stack): Call _dl_allocate_tls_init for user-provided stack.
* pt-readv.c: New file.
* pt-writev.c: New file.
* pt-creat.c: New file.
* pt-msgrcv.c: New file.
* pt-msgsnd.c: New file.
* pt-poll.c: New file.
* pt-select.c: New file.
* pt-sigpause.c: New file.
* pt-sigsuspend.c: New file.
* pt-sigwait.c: New file.
* pt-sigwaitinfo.c: New file.
* pt-waitid.c: New file.
* Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat,
pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend,
pt-sigwait, pt-sigwaitinfo, and pt-waitid.
* Versions: Add all the new functions.
* tst-exit1.c: New file.
* Makefile (tests): Add tst-exit1.
* sem_timedwait.c: Minor optimization for more optimal fastpath.
2002-10-08 Ulrich Drepper <drepper@redhat.com>
* pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW.
* pthread_join.c: Enable asynchronous cancellation around lll_wait_tid
call. pthread_join is an official cancellation point.
* pthread_timedjoin.c: Likewise.
* pthread_cond_wait.c: Revert order in which internal lock are dropped
and the condvar's mutex are retrieved.
* pthread_cond_timedwait.c: Likewise.
Reported by dice@saros.East.Sun.COM.
2002-10-07 Ulrich Drepper <drepper@redhat.com>
* pthreadP.h: Cut out all type definitions and move them...
* sysdeps/unix/sysv/linux/internaltypes.h: ...here. New file.
* pthreadP.h: Include <internaltypes.h>.
* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little
performance tweaks.
* sem_trywait.c: Shuffle #includes around to get right order.
* sem_timedwait.c: Likewise.
* sem_post.c: Likewise.
* sem_wait.c: Likewise.
* nptl 0.3 released.
* Makefile (tests): Add tst-signal3.
* tst-signal3.c: New file.
2002-10-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that
the asms modify the sem object.
(__lll_sem_timedwait): Now takes struct sem* as first parameter.
* sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose
the actual members.
* pthreadP.h (struct sem): New type. Actual semaphore type.
* semaphoreP.h: Include pthreadP.h.
* sem_getvalue.c: Adjust to sem_t change.
* sem_init.c: Likewise.
* sem_open.c: Likewise.
* sem_post.c: Likewise.
* sem_timedwait.c: Likewise.
* sem_trywait.c: Likewise.
* sem_wait.c: Likewise.
2002-10-04 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3.
* tst-basic2.c: New file.
* tst-exec1.c: New file.
* tst-exec2.c: New file.
* tst-exec3.c: New file.
* tst-fork1.c: Remove extra */.
* nptl 0.2 released. The API for IA-32 is complete.
Roland McGrath [Tue, 26 Nov 2002 03:29:06 +0000 (03:29 +0000)]
* inet/test-ifaddrs.c (main: addr_string): Handle null SA.
Grok AF_LINK if defined.
From Momchil Velikov <velco@fadata.bg>.
* sysdeps/gnu/ifaddrs.c (getifaddrs): If ioctl fails for netmask,
brdaddr, or dstaddr, just set those pointers to null and don't fail.
Reported by Momchil Velikov <velco@fadata.bg>.
* sysdeps/generic/ifreq.h (__if_nextreq) [_HAVE_SA_LEN]: If sa_len
is > sizeof IFR->ifa_addr, advance past the whole longer length.
(__ifreq): Count up NIFS that way too.
Reported by Momchil Velikov <velco@fadata.bg>.
Roland McGrath [Sun, 24 Nov 2002 23:56:47 +0000 (23:56 +0000)]
* sysdeps/posix/readv.c: Include <errno.h>, use __set_errno macro.
* sysdeps/posix/writev.c: Likewise.
From Momchil Velikov <velco@fadata.bg>.
* elf/dl-error.c [! _LIBC_REENTRANT]: Use a static variable instead of
calling *GL(dl_error_catch_tsd) for a thread-local location.
* elf/rtld.c (startup_error_tsd): Conditionalize on [_LIBC_REENTRANT].
(dl_main): Same for GL(dl_error_catch_tsd) initialization.
* elf/dl-tsd.c: Conditionalize contents on [_LIBC_REENTRANT].
* inet/inet_lnaof.c (inet_lnaof): Change return type to in_addr_t
to match <arpa/inet.h> declaration.
* inet/inet_netof.c (inet_netof): Likewise.
* inet/inet_mkadr.c (inet_makeaddr): Likewise for argument types.
Reported by Momchil Velikov <velco@fadata.bg>.
Roland McGrath [Sun, 24 Nov 2002 23:11:32 +0000 (23:11 +0000)]
* configure.in: Skip AUTOCONF check under --without-cvs.
* configure: Regenerated.
* posix/Makefile (headers): Add bits/pthreadtypes.h.
* sysdeps/unix/sysv/linux/Makefile (sysdep_heaers): Don't add it here.
* sysdeps/unix/sysv/linux/Dist: Remove it from the list.
Roland McGrath [Fri, 22 Nov 2002 01:27:01 +0000 (01:27 +0000)]
* sysdeps/unix/sysv/linux/ia64/syscalls.list (s_exit_group): Add it.
From Ian Wienand <ianw@gelato.unsw.edu.au>.
* sysdeps/unix/sysv/linux/ia64/sysdep.h (__NR_pread): Define to
__NR_pread64 if not defined.
(__NR_pwrite): Define to __NR_pwrite64 if not defined.
From Ian Wienand <ianw@gelato.unsw.edu.au>.
Roland McGrath [Thu, 21 Nov 2002 03:41:31 +0000 (03:41 +0000)]
* scripts/abilist.awk: Grok function descriptor symbols.
* intl/tst-gettext.c (main): Check return values from setlocale.
Add necessary unsetenv's to make LANG=existing-locale check work.
* intl/tst-gettext.sh: Use mkdir -p. Copy test files unconditionally,
so aborted prior runs don't confuse things.
* locale/localeinfo.h (struct locale_data: union locale_data_value):
Use uintptr_t instead of unsigned int for `word' member.
(_NL_CURRENT_WORD): Cast to uint32_t.
* posix/bug-regex5.c (main): Use union to extract _NL_COLLATE_NRULES
value.
Roland McGrath [Wed, 20 Nov 2002 09:41:01 +0000 (09:41 +0000)]
* malloc/arena.c
(ptmalloc_lock_all, ptmalloc_unlock_all, ptmalloc_unlock_all2): Do
nothing if not initialized. Bug report from Marcus Brinkmann
<Marcus.Brinkmann@ruhr-uni-bochum.de>.
Roland McGrath [Wed, 20 Nov 2002 09:40:55 +0000 (09:40 +0000)]
2002-11-18 Wolfram Gloger <wg@malloc.de>
* malloc/arena.c
(ptmalloc_lock_all, ptmalloc_unlock_all, ptmalloc_unlock_all2): Do
nothing if not initialized. Bug report from Marcus Brinkmann
<Marcus.Brinkmann@ruhr-uni-bochum.de>.
Ulrich Drepper [Wed, 20 Nov 2002 01:25:19 +0000 (01:25 +0000)]
Update.
2002-11-19 Ulrich Drepper <drepper@redhat.com>
* Versions (libc:GLIBC_2.0): Remove names of functions which are
not defined in libc.
* Makefile (shared-only-routines): Add weaks.
* weaks.c: Remove functions which are not exported from libc.so.
Roland McGrath [Tue, 19 Nov 2002 22:15:00 +0000 (22:15 +0000)]
* configure.in (libc_cv_gcc_dwarf2_unwind_info check): Use libraries
`-lgcc -lgcc_eh -lgcc', not just `-lgcc -lgcc_eh' in link commands for
test leading to libc_cv_gcc_dwarf2_unwind_info=no_registry_needed.
* configure: Regenerated.
Roland McGrath [Tue, 19 Nov 2002 22:14:48 +0000 (22:14 +0000)]
2002-11-19 Roland McGrath <roland@redhat.com>
* configure.in (libc_cv_gcc_dwarf2_unwind_info check): Use libraries
`-lgcc -lgcc_eh -lgcc', not just `-lgcc -lgcc_eh' in link commands for
test leading to libc_cv_gcc_dwarf2_unwind_info=no_registry_needed.
* configure: Regenerated.
Ulrich Drepper [Tue, 19 Nov 2002 19:30:55 +0000 (19:30 +0000)]
Update.
2002-11-19 Ulrich Drepper <drepper@redhat.com>
* include/dlfcn.h: __libc_dlopen is now a macro calling
__libc_dlopen_mode with the extra parameter RTLD_LAZY.
(__libc_dlopen_mode): New prototype.
* elf/dl-libc.c (__libc_dlopen_mode): Renamed from __libc_dlopen. Add
new parameter. Store new parameter in mode field of structure passed
to do_dlopen.
(struct do_dlopen_args): Add new field mode.
(do_dlopen): Pass mode from parameter structure to _dl_open.
* sysdeps/unix/sysv/linux/hppa/sys/ucontext.h:
Define mcontext_t as a sigcontext.
* manual/crypt.texi (Cryptographic Functions): Mention that
the MD5 one-way algorithm is compatible with BSD's.
Roland McGrath [Tue, 19 Nov 2002 06:41:14 +0000 (06:41 +0000)]
* sysdeps/hppa/fpu/libm-test-ulps: New file (generated).
* sysdeps/hppa/Makefile (CFLAGS-rtld.c): New variable.
Set -mdisable-fpregs for this file.
2002-11-11 Carlos O'Donell <carlos@baldric.uwo.ca>
* sysdeps/unix/sysv/linux/configure.in:
Make 2.4.19 minimum linux kernel for hppa, and add unwind symbols
from gcc-3.0 era for backwards compatibility.
* sysdeps/unix/sysv/linux/configure: Regenerate.
* sysdeps/unix/sysv/linux/hppa/sys/ucontext.h:
Define mcontext_t as a sigcontext.
* dlfcn/dlerror.c (fini): New function, __attribute__ ((destructor)).
Free memory in `last_result' if it was used.
* resolv/nss_dns/dns-network.c (getanswer_r): In BYNAME case, search
all aliases for one that matches the "<dotted-quad>.IN-ADDR.ARPA" form.
Do the parsing inline instead of copying strings and calling
inet_network, and properly skip all alias names not matching the form.
* math/Makefile (libm-calls): Change s_ldexp to m_ldexp.
* Makerules ($(+sysdir_pfx)sysd-rules): Emit pattern rules for m_%.[Sc]
from sysdeps/.../s_%.[Sc] with commands $(+make-include-of-dep).
(+make-include-of-dep): New canned sequence.
* stdlib/canonicalize.c (__realpath): Check for malloc failure.
From Dmitry V. Levin <ldv@altlinux.org>.
* inet/herrno.c (__libc_h_errno): Likewise.
* resolv/res_libc.c (__libc_res): Likewise.
[USE___THREAD]: Use this in place of [USE_TLS && HAVE___THREAD].
(__res_state) [! USE___THREAD]: Don't define as weak.
* csu/Versions: Revert last change.
* resolv/Versions: Revert last change.
* Makerules ($(common-objpfx)%.make): New pattern rule.
* tls.make.c: New file.
* Makefile (distribute): Add it.
Roland McGrath [Fri, 15 Nov 2002 03:36:52 +0000 (03:36 +0000)]
2002-11-14 Roland McGrath <roland@redhat.com>
* sysdeps/generic/errno.c (__libc_errno): Remove alias.
* inet/herrno.c (__libc_h_errno): Likewise.
* resolv/res_libc.c (__libc_res): Likewise.
[USE___THREAD]: Use this in place of [USE_TLS && HAVE___THREAD].
(__res_state) [! USE___THREAD]: Don't define as weak.
* csu/Versions: Revert last change.
* resolv/Versions: Revert last change.
Roland McGrath [Thu, 14 Nov 2002 21:23:12 +0000 (21:23 +0000)]
* sysdeps/generic/errno.c [! USE___THREAD]
[HAVE_ELF && SHARED && DO_VERSIONING] (errno, _errno): Declare these
with compat_symbol so they are not link-time visible.
[! USE___THREAD] (__libc_errno): New alias for errno.
* csu/Versions [!(USE_TLS && HAVE___THREAD)] (libc: GLIBC_PRIVATE):
Add __libc_errno here.
* inet/herrno.c [USE___THREAD]: Use this conditional
in place of [USE_TLS && HAVE___THREAD].
[! USE___THREAD] [HAVE_ELF && SHARED && DO_VERSIONING]
(h_errno, _h_errno): Declare these with compat_symbol so they are not
link-time visible.
[! USE___THREAD] (__libc_h_errno): New alias for h_errno.
* resolv/res_libc.c [! USE___THREAD]
[HAVE_ELF && SHARED && DO_VERSIONING] (_res): Likewise.
(_res): Use __attribute__ ((section (".bss"))) so we can have an alias.
(__libc_res): Define as alias for _res.
* resolv/Versions [!(USE_TLS && HAVE___THREAD)] (libc: GLIBC_PRIVATE):
Add __libc_h_errno and __libc_res here.
2002-11-14 Jakub Jelinek <jakub@redhat.com>
* csu/Versions (errno): Move STT_TLS symbol to GLIBC_PRIVATE for now.
* resolv/Versions (h_errno, _res): Likewise.
Roland McGrath [Thu, 14 Nov 2002 03:59:56 +0000 (03:59 +0000)]
* scripts/abilist.awk: New file.
* Makefile (distribute): Add it.
* Makerules ($(objpfx)%.dynsym, $(objpfx)%.symlist): New rules.
(tests): Depend on .symlist file for each $(install-lib.so-versioned).
[! subdir] (tests): Depend on libc.symlist.
(generated): Add those files.
* aclocal.m4 (LIBC_PROG_BINUTILS): Check for objdump, set OBJDUMP.
* configure: Regenerated.
* config.make.in (OBJDUMP): New variable, substituted by configure.
* malloc/mcheck.c (struct hdr): New members `block' and `magic2'.
(mallochook, reallochook): Set them up.
(checkhdr): Check HDR->magic2 value.
(freehook): Reset HDR->magic2.
(memalignhook): New static function.
(old_memalign_hook): New static variable.
(mcheck, reallochook): Set __memalign_hook to memalignhook.
Roland McGrath [Wed, 13 Nov 2002 04:00:16 +0000 (04:00 +0000)]
* posix/regex_internal.c (re_string_skip_chars): Also return the last
wide character.
(re_string_reconstruct): Calculate the context by itself when the
offset points out of the valid range.
(re_string_context_at): Use wide character when MB_CUR_MAX > 1.
* posix/regex_internal.h (WIDE_NEWLINE_CHAR): New macro.
(IS_WIDE_WORD_CHAR): New macro.
(IS_WIDE_NEWLINE): New macro.
git://sourceware.org / glibc.git / log