* sysdeps/i386/i686/memcmp.S: Fix unwind information.

Reported by Paul Pluzhnikov <ppluzhnikov@google.com>.

[BZ #6698]

* stdio-common/_i18n_number.h (_i18n_number_rewrite): Take additional
parameter for end of buffer.  If temporary copy is too large use
malloc.
* stdio-common/vfprintf.c: Adjust for _i18n_number_rewrite
interface change.
* stdio-common/printf_fp.c (__printf_fp): Likewise..  Account for
string rewrite when allocating buffer.

* sysdeps/unix/sysv/linux/kernel-features.h: PPC has the new

syscalls, too.

* nscd/connections.c (nscd_init): Clean up fcntl call.

* nscd/nscd_helper.c (open_socket): Use SOCK_CLOEXEC and

SOCK_NONBLOCK if possible.

* sysdeps/unix/sysv/linux/opensock.c (__opensock): Use

SOCK_CLOEXEC if available.

* include/rpc/clnt.h: Declare __libc_clntudp_bufcreate and

__libc_clntudp_bufcreate_internal.
* include/sys/socket.h: Declare __have_sock_cloexec.
* socket/Makefile (aux): Add have_sock_cloexec.
* socket/have_sock_cloexec.c: New file.
* sunrpc/clnt_udp.h (clntudp_bufcreate): Now a wrapper around
__libc_clntudp_bufcreate.
(__libc_clntudp_bufcreate): Former implementation of clntudp_bufcreate
which takes an additional parameter.  Create socket with non-blocking
mode and close-on-exec flag set, if wanted.
* sunrpc/Versions: Export __libc_clntudp_bufcreate@GLIBC_PRIVATE.
* nis/ypclnt.c (yp_bind_client_create): Use __libc_clntpudp_bufcreate
instead of clntudp_create.  The socket has already the close-on-exec
flag set if SOCK_CLOEXEC is defined.

* sysdeps/unix/sysv/linux/kernel-features.h: Define

__ASSUME_PACCEPT, __ASSUME_IN_NONBLOCK, and __ASSUME_PACCEPT if
appropriate.
* nscd/connections.c: Avoid fcntl calls to set close-on-exec flag and
non-blocking mode by using socket, paccept, and inotify_init1.

* Versions.def (glibc): Add GLIBC_2.9.

* io/Makefile (routines): Add dup3 and pipe2.
* io/Versions [glibc] (GLIBC_2.9): Add dup3 and pipe2.
* io/dup3.c: New file.
* io/pipe2.c: New file.
* posix/unistd.h: Declare dup3 and pipe2.
* socket/Makefile (routines): Add paccept.
* socket/Versions [glibc] (GLIBC_2.9): Add paccept.
* socket/paccept.c: New file.
* socket/sys/socket.h: Declare paccept.
* sysdeps/unix/syscalls.list: Add entry for dup3.
* sysdeps/unix/sysv/linux/Versions [glibc] (GLIBC_2.9): Add
epoll_create2 and inotify_init1.
* sysdeps/unix/sysv/linux/eventfd.c: Use eventfd1 syscall if possible.
* sysdeps/unix/sysv/linux/paccept.c: New file.
* sysdeps/unix/sysv/linux/signalfd.c: Use signalfd4 syscall if
possible.
* sysdeps/unix/sysv/linux/socketcall.h: Add SOCKOP_paccept.
* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_create2,
inotify_init1, and pipe2 entries.
* sysdeps/unix/sysv/linux/alpha/sys/epoll.h: New file.
* sysdeps/unix/sysv/linux/alpha/sys/eventfd.h: New file.
* sysdeps/unix/sysv/linux/alpha/sys/inotify.h: New file.
* sysdeps/unix/sysv/linux/alpha/sys/signalfd.h: New file.
* sysdeps/unix/sysv/linux/alpha/sys/timerfd.h: New file.
* sysdeps/unix/sysv/linux/bits/socket.h: Define SOCK_CLOEXEC and
SOCK_NONBLOCK.
* sysdeps/unix/sysv/linux/i386/paccept.S: New file.
* sysdeps/unix/sysv/linux/sparc/sys/epoll.h: New file.
* sysdeps/unix/sysv/linux/sparc/sys/eventfd.h: New file.
* sysdeps/unix/sysv/linux/sparc/sys/inotify.h: New file.
* sysdeps/unix/sysv/linux/sparc/sys/signalfd.h: New file.
* sysdeps/unix/sysv/linux/sparc/sys/timerfd.h: New file.
* sysdeps/unix/sysv/linux/sparc/bits/socket.h: New file.
* sysdeps/unix/sysv/linux/sys/epoll.h: Define EPOLL_CLOEXEC and
EPOLL_NONBLOCK.  Declare epoll_create2.
* sysdeps/unix/sysv/linux/sys/eventfd.h: Define EFD_CLOEXEC and
EFD_NONBLOCK.
* sysdeps/unix/sysv/linux/sys/inotify.h: Define IN_CLOEXEC and
IN_NONBLOCK.  Declare inotify_init1.
* sysdeps/unix/sysv/linux/sys/signalfd.h: Define SFD_CLOEXEC and
SFD_NONBLOCK.
* sysdeps/unix/sysv/linux/sys/timerfd.h: Define TFD_CLOEXEC and
TFD_NONBLOCK.

* elf/elf.h: Define AT_EXECFN.

* elf/rtld.c [!__ASSUME_AT_EXECFN] (process_envvars): Don't handle
LD_ORIGIN_PATH.
* elf/dl-sysdep.c (_dl_sysdep_start): Handle AT_EXECFN.
* elf/dl-support.c: Define _dl_execfn.  Don't define _dl_origin_path
if __ASSUME_AT_EXECFN is defined.
(_dl_aux_init): Handle AT_EXECFN.
* sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_AT_EXECFN
for 2.6.27 and up.
* sysdeps/generic/ldsodefs.h (rtld_global_ro): Add _dl_execfn.
Don't define _dl_origin_path if __ASSUME_AT_EXECFN is defined.
* sysdeps/unix/sysv/linux/dl-origin.c (_dl_get_origin): Use
_dl_execfn if available and avoid compatibility code if
__ASSUME_AT_EXECFN is defined.

[BZ #6712]

2008-07-24  Ulrich Drepper  <drepper@redhat.com>
* sysdeps/unix/sysv/linux/dl-sysdep.h: Don't declare
_dl_discover_osversion only for older kernels.

[BZ #6712]

Don't declare _dl_discover_osversion only for older kernels.

* hurd/fd-read.c (_hurd_fd_read): Fix last change.

* hurd/fd-read.c (_hurd_fd_read): Return EGRATUITOUS if the server

returned too much data out of line.

2008-07-21  Roland McGrath  <roland@frob.com>

* hurd/fd-read.c (_hurd_fd_read): Return EGRATUITOUS if the server
returned too much data out of line.

* locale/setlocale.c (setname): Remove inline to avoid compiler

warning.

* locale/setlocale.c (setlocale): Take the setlocale lock earlier.

* stdio-common/vfprintf.c (_IO_helper_overflow): In case _IO_sputn

doesn't manage to write anything, fail.

* malloc/hooks.c (__malloc_check_init): Remove printf.

(__malloc_check_init): Remove printf.

* sysdeps/mach/hurd/bits/fcntl.h: Include <sys/types.h>.

2008-07-14  Samuel Thibault  <samuel.thibault@ens-lyon.org>

* sysdeps/mach/hurd/bits/fcntl.h: Include <sys/types.h>.

* nscd/connections.c (main_loop_poll): Fix handling of read errors

from inotify.
(main_loop_epoll): Likewise.

* locales/iso14651_t1_common: Add Kannada collation support.

Patch by Pravin Satpute <psatpute@redhat.com>.

* resolv/res_send.c: Remove unnecessary res_pquery prototype.

* resolv/res_query.c (__libc_res_nquery): Issue debug message only

if DEBUG is defined.

* resolv/res_query.c (__libc_res_nquery): Align buffer for T_AAAA

query.  Adjust buffer size computation for padding.

* stdio-common/Makefile: Add rules to build and run tst-setvbuf1.

* stdio-common/tst-setvbuf1.c: New file.
* stdio-common/tst-setvbuf1.expect: New file.

[BZ #6719]

2008-07-08  Ulrich Drepper  <drepper@redhat.com>
[BZ #6719]
* libio/iosetvbuf.c (_IO_setvbuf): Correctly clear buffering flags
when selecting fully-buffered stream.
Patch by Wang Xin <wxinee@gmail.com>.

[BZ #6713]

2008-07-08  Ulrich Drepper  <drepper@redhat.com>
[BZ #6713]
* charmaps/UTF-8: Fix U1DBA entry representation.
Patch by Colin Watson.

Fix U1DBA entry representation.

* sysdeps/mach/hurd/open.c: Include <stdio.h>.

(__open_2): New function.
(__open64_2): New alias to __open_2.
* sysdeps/mach/hurd/openat.c: Include <stdio.h>.
(__openat_2): New function.
(__openat64_2): New alias to __openat_2.

2008-07-06  Samuel Thibault  <samuel.thibault@ens-lyon.org>

* sysdeps/mach/hurd/open.c: Include <stdio.h>.
(__open_2): New function.
(__open64_2): New alias to __open_2.
* sysdeps/mach/hurd/openat.c: Include <stdio.h>.
(__openat_2): New function.
(__openat64_2): New alias to __openat_2.

[BZ #6723]

..
2008-07-06  Ulrich Drepper  <drepper@redhat.com>

[BZ #6723]
* time/mktime.c (__mktime_internal): Normalize tp->tm_isdst value.

(__mktime_internal): Normalize tp->tm_isdst value.

* sysdeps/mach/hurd/recv.c (__recv): Initialize NPORTS.

* sysdeps/mach/hurd/recvfrom.c (__recvfrom): Likewise.
* sysdeps/mach/hurd/recvmsg.c (__recvmsg): Likewise.
* hurd/fd-read.c (_hurd_fd_read): Initialize NREAD.
* hurd/get-host.c (_hurd_get_host_config): Likewise.
* sysdeps/mach/hurd/dl-sysdep.c (__libc_read): Likewise.

* sysdeps/unix/bsd/bsd4.4/bits/socket.h: Define MSG_NOSIGNAL.

* hurd/hurd/fd.h (__hurd_sockfail): Add extern inline function.
* sysdeps/mach/hurd/recv.c (__recv): Use __hurd_sockfail instead of
__hurd_dfail.
* sysdeps/mach/hurd/recvfrom.c (__recvfrom): Likewise.
* sysdeps/mach/hurd/recvmsg.c (__recvmsg): Likewise.
* sysdeps/mach/hurd/send.c (__send): Likewise.
* sysdeps/mach/hurd/sendto.c (__sendfrom): Likewise.
* sysdeps/mach/hurd/sendmsg.c (__sendmsg): Likewise.

2008-07-01  Samuel Thibault  <samuel.thibault@ens-lyon.org>

* sysdeps/unix/bsd/bsd4.4/bits/socket.h: Define MSG_NOSIGNAL.
* hurd/hurd/fd.h (__hurd_sockfail): Add extern inline function.
* sysdeps/mach/hurd/recv.c (__recv): Use __hurd_sockfail instead of
__hurd_dfail.
* sysdeps/mach/hurd/recvfrom.c (__recvfrom): Likewise
* sysdeps/mach/hurd/recvmsg.c (__recvmsg): Likewise
* sysdeps/mach/hurd/send.c (__send): Likewise
* sysdeps/mach/hurd/sendfrom.c (__sendfrom): Likewise
* sysdeps/mach/hurd/sendmsg.c (__sendmsg): Likewise

Remove use of __P.

* resolv/res_debug.c (__p_type_syms): Add ns_t_dname entry.

[BZ #6657]

2008-06-27  Ulrich Drepper  <drepper@redhat.com>
[BZ #6657]
* time/strptime_l.c: Don't clear s.era_cnt after successful match
of %EY.
Patch by Petr Baudis.

* resolv/res_debig.c (__p_type_syms): Add ns_t_dname entry.

Patch by Peter Jones <pjones@redhat.com>.

[BZ #6654]

2008-06-25  Ulrich Drepper  <drepper@redhat.com>
[BZ #6654]
* stdlib/canonicalize.c (__realpath): readlink can write too much
into the buffer on platforms without PATH_MAX.

[BZ #6653]

* posix/tst-regex.c (main): Rename to...

(do_test): ... this. Remove cmdline option processing.
(TIMEOUT): Define.
(TEST_FUNCTION): Define.
(CMDLINE_OPTIONS): Define.

[BZ #5210]

2008-06-25  Ulrich Drepper  <drepper@redhat.com>
[BZ #5210]
* configure.in: Add -Werror to -fstack-protector test to catch
unsupported architectures.
Patch by Gilles Esponasse <g.esp@free.fr>.

[BZ #5814]

2008-06-25  Ulrich Drepper  <drepper@redhat.com>
[BZ #5814]
* locales/fi_FI: Fix separator for hours, minutes, and seconds.

* stdlib/tst-setcontext.c: Set back_in_main before exit if

getcontext returns ENOSYS.

* locales/iso14651_t1_common: Add support for Gurumukhi script.

Patch by Pravin Satpute <psatpute@redhat.com>.

* nscd/connections.c (main_loop_poll): Fix test for read error.

(main_loop_epoll): Likewise.

* sysdeps/posix/getaddrinfo.c: Move _res_hconf_init call to a

better place so it is not called when nscd is used.

* nscd/connections.c: Also recognize and handle changes to the

resolver configuration file.

[BZ #6612]

* time/strftime.c: Pass reference to tzset_called around to handle
recursive calls.

[BZ #6612]
* time/strftime.c (__strftime_internal): Call tzset() only
when printing timezone-dependent values.
Based on a patch by Petr Baudis <pasky@suse.cz>.

* resolv/nss_dns/dns-host.c (gaih_getanswer): Don't

unconditionally use second gaih_getanswer_slice result.

* sysdeps/posix/getaddrinfo.c (gai_inet): Remove unnecessary test.

(getaddrinfo): RES must always be non-NULL.

* sysdeps/powerpc/powerpc64/fpu/s_llround.S (__llround): Avoid using

cr[34] registers.
* sysdeps/powerpc/powerpc64/fpu/s_llroundf.S (__llroundf): Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S (__llround):
Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_lround.S (__lround): Avoid using cr3
register.

* nscd/nscd.h (struct database_dyn): Add inotify_descr and clear_cache

fields.
* nscd/connections.c (inotify_fd): New variable.
(nscd_init): Try to open an inotify descriptor.
If successful, watch files for databases using inotify instead of
having prune threads stat the files.
(nscd_run_prune): Recognize clear_cache flag being set and call
prune_cache appropriately.
(main_loop_poll): Add inotify descriptor to wait set and handle the
reported changes.
(main_loop_epoll): Likewise.
* nscd/cache.c (prune_cache): Don't stat files for databases if
inotify is used.
* sysdeps/unix/sysv/linux/Makefile [subdir=nscd]
(CFLAGS-connections.c): Add -DHAVE_INOTIFY.

* nscd/grpcache.c (cache_addgr): Correctly compute size of

fixed-size portion of the record.
* nscd/servicescache.c (cache_addserv): Likewise.
* nscd/pwdcache.c (cache_addpw): Likewise.
* nscd/initgrcache.c (addinitgroupsX): Likewise.

* nscd/mem.c (gc): Initialize obstack earlier so that if we jump

out we don't use uninitialized memory.

* nscd/hstcache.c (cache_addhst): Send correct number of bytes to
the client.

* resolv/nss_dns/dns-host.c (gaih_getanswer_slice): Also log and

ignore T_DNAME messages.
* resolv/arpa/nameser_compat.h (T_DNAME): Define.

(T_DNAME): Define.

* misc/regexp.h (compile): Use __REPB_PREFIX macro.

Avoid segfault if first GETC returns eof/'\0'/'\n'.
2008-06-05  Jakub Jelinek  <jakub@redhat.com>

* misc/regexp.h (compile): Use __REPB_PREFIX macro.
Avoid segfault if first GETC returns eof/'\0'/'\n'.

* nscd/nscd_getserv_r.c (__nscd_getservbyport_r): Pass cp

instead of portstr to nscd_getserv_r.  Patch by
Roman Kagan <rkagan@mail.ru>.
2008-06-03  Jakub Jelinek  <jakub@redhat.com>

* nscd/nscd_getserv_r.c (__nscd_getservbyport_r): Pass cp
instead of portstr to nscd_getserv_r.  Patch by
Roman Kagan <rkagan@mail.ru>.

(tests): Add tst-rwlock2a.

* sysdeps/pthread/pthread.h: Fix typo in comment.

* sysdeps/pthread/createthread.c (do_clone): Pass accurate length

of CPU set to the kernel.

(do_clone): Pass accurate length of CPU set to the kernel.

typo

Remove more useless "if" tests before "free".

Remove useless more "if" tests before "free".

* include/inline-hashtab.h (htab_delete): Likewise.
* libio/freopen.c (freopen): Likewise.
* libio/freopen64.c (freopen64): Likewise.
* locale/programs/ld-collate.c (collate_read): Likewise.
* misc/fstab.c (libc_freeres_fn): Likewise.
* posix/glob.c (globfree): Likewise.

* tst-typesizes.c: Explicitly check __SIZEOF_PTHREAD_* constants.

David S. Miller  <davem@davemloft.net>

* string/Makefile (strop-tests): Add memmem.

* string/test-memmem.c: New file.
* string/test-string.h (BUF1PAGES): Define to 1 if undefined.
(test_init): Size buf1 according to BUF1PAGES.

* stdio-common/scanf16.c: New file.
* stdio-common/scanf17.c: New file.
* scripts/data/localplt-sparc64-linux-gnu.data: New file.

answers and the server reports SERVFAIL, NOTIMP, or REFUSED, then

* libio/stdio.h (vscanf): Fix -std=c99 redirect.

* stdio-common/Makefile (tests): Add scanf16 and scanf17.
(CFLAGS-scanf17.c): New.
* stdio-common/scanf14.c (main): Add fscanf and scanf tests.
* stdio-common/scanf15.c (main): Likewise.
* stdio-common/scanf16.c: New test.
* stdio-common/scanf17.c: New test.
2008-05-24  Jakub Jelinek  <jakub@redhat.com>

* libio/stdio.h (vscanf): Fix -std=c99 redirect.
* stdio-common/Makefile (tests): Add scanf16 and scanf17.
(CFLAGS-scanf17.c): New.
* stdio-common/scanf14.c (main): Add fscanf and scanf tests.
* stdio-common/scanf15.c (main): Likewise.
* stdio-common/scanf16.c: New test.
* stdio-common/scanf17.c: New test.

* resolv/res_send.c (send_dg): If we already have one of two

answers and the server reports SERVFAI, NOTIMP, or REFUSED, then
use the one answer insted of failing.

* math/libm-test.inc (exp_test): Exclude expl(1000.0L) from

being executed on PowerPC as the expected result exceeds IBM
long double 128 __LDBL_MAX__.

Work around braindead IBM128 long double format.

* shlib-versions (sparc.*-.*-.*, sparc64.*-.*-.*): Add ABI lines.

* Makefile (check-data): Use $(abi-name) before other guesses.
Look in $(add-ons) dirs before scripts/data/.
* elf/Makefile (check-data): Likewise.

* scripts/soversions.awk: Grok ABI line.
* Makeconfig ($(common-objpfx)soversions.mk): Likewise.
Emit definition for abi-name variable.

if [__USE_BSD].

2008-05-21  Roland McGrath  <roland@redhat.com>

* scripts/soversions.awk: Grok ABI line.
* Makeconfig ($(common-objpfx)soversions.mk): Likewise.
Emit definition for abi-name variable.

* string/endian.h: Define new fixed-size hto* and *toh macros only

is __USE_BSD.

* iconvdata/Depend: Add localedata.

Add localedata.

* bits/termios.h (ONLCR): Define under [__USE_XOPEN] too.

2008-05-21  Samuel Thibault  <samuel.thibault@ens-lyon.org>

* bits/termios.h (ONLCR): Define under [__USE_XOPEN] too.

Remove U0C0D entry added for Telugu.

* locales/iso14651_t1_common: Remove U0C0D entry added for Telugu.

Reported by Pravin Satpute.

* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S: Use

HIDDEN_JUMPTARGET.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
(__SYSCALL_CLOBBERS): Remove %g* registers.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
(__SYSCALL_CLOBBERS): Likewise.
* scripts/data/localplt-sparc-linux-gnu.data: New file.
* scripts/data/localplt-sparc64-linux-gnu.data: Likewise.
2008-05-08  David S. Miller  <davem@davemloft.net>

* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S: Use
HIDDEN_JUMPTARGET.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
(__SYSCALL_CLOBBERS): Remove %g* registers.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
(__SYSCALL_CLOBBERS): Likewise.
* scripts/data/localplt-sparc-linux-gnu.data: New file.
* scripts/data/localplt-sparc64-linux-gnu.data: Likewise.

* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h

(CALL_ERRNO_LOCATION): Define.
(__SYSCALL_STRING, __CLONE_SYSCALL_STRING): Use it.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
(CALL_ERRNO_LOCATION): Define.
(__SYSCALL_STRING, __CLONE_SYSCALL_STRING): Use it.
* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S (__brk): Use
HIDDEN_JUMPTARGET for __errno_location call in libc.so.
2008-05-21  Jakub Jelinek  <jakub@redhat.com>

* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
(CALL_ERRNO_LOCATION): Define.
(__SYSCALL_STRING, __CLONE_SYSCALL_STRING): Use it.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
(CALL_ERRNO_LOCATION): Define.
(__SYSCALL_STRING, __CLONE_SYSCALL_STRING): Use it.
* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S (__brk): Use
HIDDEN_JUMPTARGET for __errno_location call in libc.so.

2008-05-20  Jakub Jelinek  <jakub@redhat.com>

    David S. Miller  <davem@davemloft.net>
* sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: New file.

* include/inline-hashtab.h (higher_prime_number): Fix type of mid

variable.

(higher_prime_number): Fix type of mid variable.

* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h

(FIRST_FRAME_POINTER): Define.
* sysdeps/sparc/sparc64/backtrace.c: New file.
2008-05-20  Jakub Jelinek  <jakub@redhat.com>

* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
(FIRST_FRAME_POINTER): Define.

2008-05-09  David S. Miller  <davem@davemloft.net>

* sysdeps/sparc/sparc64/backtrace.c: New file.

* sysdeps/sparc/machine-gmon.h: New file.

* sysdeps/sparc/sparc-mcount.S: Likewise.
* sysdeps/sparc/Makefile: Add sparc-mcount target to
sysdep_routines in gmon directory.
2008-05-14  David S. Miller  <davem@davemloft.net>

* sysdeps/sparc/machine-gmon.h: New file.
* sysdeps/sparc/sparc-mcount.S: Likewise.
* sysdeps/sparc/Makefile: Add sparc-mcount target to
sysdep_routines in gmon directory.

* sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: New file.

2008-05-19  Jakub Jelinek  <jakub@redhat.com>

* elf/soinit.c (__EH_FRAME_BEGIN__): Remove.

* elf/soinit.c (__EH_FRAME_BEGIN__): Remove.

2008-05-19  Jakub Jelinek  <jakub@redhat.com>

* elf/soinit.c (__EH_FRAME_BEGIN__): Remove.

* resolv/res_query.c (__libc_res_nquery): In case one of two

answer was too short don't try to read that answer's header.

* resolv/res_send.c (send_dg): In case of timeout and there are
two queries and one has been answered, return value indicating
success.

* nscd/cache.c (cache_add): Take additional parameter specifying

whether this is in response of a cache refill.  Check alignment
of package data.  Revamp waking of pruning thread.
(prune_cache): Small optimization.
* nscd/nscd.h: Adjust cache_add prototypes.
* nscd/aicache.c: Adjust cache_add calls.
* nscd/grpcache.c: Likewise.
* nscd/hstcache.c: Likewise.
* nscd/initgrcache.c: Likewise.
* nscd/pwdcache.c: Likewise.
* nscd/servicescache.c: Likewise.
* nscd/connections.c (restart): Really disable cache use before
exec attempt.  If it fails, reenable cache.
(nscd_run_prune): Initialize wakeup_time.  After wakeup, set wakeup
time to max to be able to notice concurrent cache additions.  Unlock
prune_lock while performing gc.  Afterwards compute wakeup time with
current wakeup_time value in mind.

* nscd/mem.c (gc): Avoid stack overflow when allocating move list.

* nscd/mem.c (gc): Correctly determine highest used array element

in mark.

* nscd/mem.c (markrange): Add assert to check entries are all

aligned.  Small cleanup in bitmap use.

* nscd/nscd.h (mem_in_flight): Replace blockaddr field with

blockoff of type nscd_ssize_t.
* nscd/mem.c (gc): Simplify markrange call for on-flight blocks.
(mempoll_alloc): Record block offset and not address.